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authorLinus Torvalds <torvalds@linux-foundation.org>2024-09-26 21:00:25 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2024-09-26 21:00:25 +0200
commit075dbe9f6e3c21596c5245826a4ee1f1c1676eb8 (patch)
tree6539cf3902bf7b882211ee1917a132b2642c5790 /drivers
parentMerge tag 'asm-generic-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff)
parentdt-bindings: gpio: ep9301: Add missing "#interrupt-cells" to examples (diff)
downloadlinux-075dbe9f6e3c21596c5245826a4ee1f1c1676eb8.tar.xz
linux-075dbe9f6e3c21596c5245826a4ee1f1c1676eb8.zip
Merge tag 'soc-ep93xx-dt-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC update from Arnd Bergmann: "Convert ep93xx to devicetree This concludes a long journey towards replacing the old board files with devictree description on the Cirrus Logic EP93xx platform. Nikita Shubin has been working on this for a long time, for details see the last post on https://lore.kernel.org/lkml/20240909-ep93xx-v12-0-e86ab2423d4b@maquefel.me/" * tag 'soc-ep93xx-dt-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (47 commits) dt-bindings: gpio: ep9301: Add missing "#interrupt-cells" to examples MAINTAINERS: Update EP93XX ARM ARCHITECTURE maintainer soc: ep93xx: drop reference to removed EP93XX_SOC_COMMON config net: cirrus: use u8 for addr to calm down sparse dmaengine: cirrus: use snprintf() to calm down gcc 13.3.0 dmaengine: ep93xx: Fix a NULL vs IS_ERR() check in probe() pinctrl: ep93xx: Fix raster pins typo spi: ep93xx: update kerneldoc comments for ep93xx_spi clk: ep93xx: Fix off by one in ep93xx_div_recalc_rate() clk: ep93xx: add module license dmaengine: cirrus: remove platform code ASoC: cirrus: edb93xx: Delete driver ARM: ep93xx: soc: drop defines ARM: ep93xx: delete all boardfiles ata: pata_ep93xx: remove legacy pinctrl use pwm: ep93xx: drop legacy pinctrl ARM: ep93xx: DT for the Cirrus ep93xx SoC platforms ARM: dts: ep93xx: Add EDB9302 DT ARM: dts: ep93xx: add ts7250 board ARM: dts: add Cirrus EP93XX SoC .dtsi ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ata/pata_ep93xx.c107
-rw-r--r--drivers/clk/Kconfig8
-rw-r--r--drivers/clk/Makefile1
-rw-r--r--drivers/clk/clk-ep93xx.c850
-rw-r--r--drivers/dma/ep93xx_dma.c287
-rw-r--r--drivers/gpio/gpio-ep93xx.c345
-rw-r--r--drivers/input/keyboard/ep93xx_keypad.c74
-rw-r--r--drivers/mtd/nand/raw/Kconfig6
-rw-r--r--drivers/mtd/nand/raw/Makefile1
-rw-r--r--drivers/mtd/nand/raw/technologic-nand-controller.c222
-rw-r--r--drivers/net/ethernet/cirrus/ep93xx_eth.c65
-rw-r--r--drivers/pinctrl/Kconfig7
-rw-r--r--drivers/pinctrl/Makefile1
-rw-r--r--drivers/pinctrl/pinctrl-ep93xx.c1434
-rw-r--r--drivers/power/reset/Kconfig10
-rw-r--r--drivers/power/reset/Makefile1
-rw-r--r--drivers/power/reset/ep93xx-restart.c84
-rw-r--r--drivers/pwm/pwm-ep93xx.c26
-rw-r--r--drivers/soc/Kconfig1
-rw-r--r--drivers/soc/Makefile1
-rw-r--r--drivers/soc/cirrus/Kconfig17
-rw-r--r--drivers/soc/cirrus/Makefile2
-rw-r--r--drivers/soc/cirrus/soc-ep93xx.c252
-rw-r--r--drivers/spi/spi-ep93xx.c68
-rw-r--r--drivers/watchdog/ts72xx_wdt.c8
25 files changed, 3405 insertions, 473 deletions
diff --git a/drivers/ata/pata_ep93xx.c b/drivers/ata/pata_ep93xx.c
index a34e56a9d535..f3f5b2b0ecc9 100644
--- a/drivers/ata/pata_ep93xx.c
+++ b/drivers/ata/pata_ep93xx.c
@@ -44,8 +44,8 @@
#include <linux/delay.h>
#include <linux/dmaengine.h>
#include <linux/ktime.h>
+#include <linux/mod_devicetable.h>
-#include <linux/platform_data/dma-ep93xx.h>
#include <linux/soc/cirrus/ep93xx.h>
#define DRV_NAME "ep93xx-ide"
@@ -126,7 +126,7 @@ enum {
};
struct ep93xx_pata_data {
- const struct platform_device *pdev;
+ struct platform_device *pdev;
void __iomem *ide_base;
struct ata_timing t;
bool iordy;
@@ -135,9 +135,7 @@ struct ep93xx_pata_data {
unsigned long udma_out_phys;
struct dma_chan *dma_rx_channel;
- struct ep93xx_dma_data dma_rx_data;
struct dma_chan *dma_tx_channel;
- struct ep93xx_dma_data dma_tx_data;
};
static void ep93xx_pata_clear_regs(void __iomem *base)
@@ -637,20 +635,13 @@ static void ep93xx_pata_release_dma(struct ep93xx_pata_data *drv_data)
}
}
-static bool ep93xx_pata_dma_filter(struct dma_chan *chan, void *filter_param)
+static int ep93xx_pata_dma_init(struct ep93xx_pata_data *drv_data)
{
- if (ep93xx_dma_chan_is_m2p(chan))
- return false;
-
- chan->private = filter_param;
- return true;
-}
-
-static void ep93xx_pata_dma_init(struct ep93xx_pata_data *drv_data)
-{
- const struct platform_device *pdev = drv_data->pdev;
+ struct platform_device *pdev = drv_data->pdev;
+ struct device *dev = &pdev->dev;
dma_cap_mask_t mask;
struct dma_slave_config conf;
+ int ret;
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
@@ -660,22 +651,16 @@ static void ep93xx_pata_dma_init(struct ep93xx_pata_data *drv_data)
* to request only one channel, and reprogram it's direction at
* start of new transfer.
*/
- drv_data->dma_rx_data.port = EP93XX_DMA_IDE;
- drv_data->dma_rx_data.direction = DMA_DEV_TO_MEM;
- drv_data->dma_rx_data.name = "ep93xx-pata-rx";
- drv_data->dma_rx_channel = dma_request_channel(mask,
- ep93xx_pata_dma_filter, &drv_data->dma_rx_data);
- if (!drv_data->dma_rx_channel)
- return;
-
- drv_data->dma_tx_data.port = EP93XX_DMA_IDE;
- drv_data->dma_tx_data.direction = DMA_MEM_TO_DEV;
- drv_data->dma_tx_data.name = "ep93xx-pata-tx";
- drv_data->dma_tx_channel = dma_request_channel(mask,
- ep93xx_pata_dma_filter, &drv_data->dma_tx_data);
- if (!drv_data->dma_tx_channel) {
- dma_release_channel(drv_data->dma_rx_channel);
- return;
+ drv_data->dma_rx_channel = dma_request_chan(dev, "rx");
+ if (IS_ERR(drv_data->dma_rx_channel))
+ return dev_err_probe(dev, PTR_ERR(drv_data->dma_rx_channel),
+ "rx DMA setup failed\n");
+
+ drv_data->dma_tx_channel = dma_request_chan(&pdev->dev, "tx");
+ if (IS_ERR(drv_data->dma_tx_channel)) {
+ ret = dev_err_probe(dev, PTR_ERR(drv_data->dma_tx_channel),
+ "tx DMA setup failed\n");
+ goto fail_release_rx;
}
/* Configure receive channel direction and source address */
@@ -683,10 +668,10 @@ static void ep93xx_pata_dma_init(struct ep93xx_pata_data *drv_data)
conf.direction = DMA_DEV_TO_MEM;
conf.src_addr = drv_data->udma_in_phys;
conf.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- if (dmaengine_slave_config(drv_data->dma_rx_channel, &conf)) {
- dev_err(&pdev->dev, "failed to configure rx dma channel\n");
- ep93xx_pata_release_dma(drv_data);
- return;
+ ret = dmaengine_slave_config(drv_data->dma_rx_channel, &conf);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to configure rx dma channel");
+ goto fail_release_dma;
}
/* Configure transmit channel direction and destination address */
@@ -694,10 +679,20 @@ static void ep93xx_pata_dma_init(struct ep93xx_pata_data *drv_data)
conf.direction = DMA_MEM_TO_DEV;
conf.dst_addr = drv_data->udma_out_phys;
conf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- if (dmaengine_slave_config(drv_data->dma_tx_channel, &conf)) {
- dev_err(&pdev->dev, "failed to configure tx dma channel\n");
- ep93xx_pata_release_dma(drv_data);
+ ret = dmaengine_slave_config(drv_data->dma_tx_channel, &conf);
+ if (ret) {
+ dev_err_probe(dev, ret, "failed to configure tx dma channel");
+ goto fail_release_dma;
}
+
+ return 0;
+
+fail_release_rx:
+ dma_release_channel(drv_data->dma_rx_channel);
+fail_release_dma:
+ ep93xx_pata_release_dma(drv_data);
+
+ return ret;
}
static void ep93xx_pata_dma_start(struct ata_queued_cmd *qc)
@@ -925,34 +920,26 @@ static int ep93xx_pata_probe(struct platform_device *pdev)
void __iomem *ide_base;
int err;
- err = ep93xx_ide_acquire_gpio(pdev);
- if (err)
- return err;
-
/* INT[3] (IRQ_EP93XX_EXT3) line connected as pull down */
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- err = irq;
- goto err_rel_gpio;
- }
+ if (irq < 0)
+ return irq;
ide_base = devm_platform_get_and_ioremap_resource(pdev, 0, &mem_res);
- if (IS_ERR(ide_base)) {
- err = PTR_ERR(ide_base);
- goto err_rel_gpio;
- }
+ if (IS_ERR(ide_base))
+ return PTR_ERR(ide_base);
drv_data = devm_kzalloc(&pdev->dev, sizeof(*drv_data), GFP_KERNEL);
- if (!drv_data) {
- err = -ENOMEM;
- goto err_rel_gpio;
- }
+ if (!drv_data)
+ return -ENOMEM;
drv_data->pdev = pdev;
drv_data->ide_base = ide_base;
drv_data->udma_in_phys = mem_res->start + IDEUDMADATAIN;
drv_data->udma_out_phys = mem_res->start + IDEUDMADATAOUT;
- ep93xx_pata_dma_init(drv_data);
+ err = ep93xx_pata_dma_init(drv_data);
+ if (err)
+ return err;
/* allocate host */
host = ata_host_alloc(&pdev->dev, 1);
@@ -1003,8 +990,6 @@ static int ep93xx_pata_probe(struct platform_device *pdev)
err_rel_dma:
ep93xx_pata_release_dma(drv_data);
-err_rel_gpio:
- ep93xx_ide_release_gpio(pdev);
return err;
}
@@ -1016,12 +1001,18 @@ static void ep93xx_pata_remove(struct platform_device *pdev)
ata_host_detach(host);
ep93xx_pata_release_dma(drv_data);
ep93xx_pata_clear_regs(drv_data->ide_base);
- ep93xx_ide_release_gpio(pdev);
}
+static const struct of_device_id ep93xx_pata_of_ids[] = {
+ { .compatible = "cirrus,ep9312-pata" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ep93xx_pata_of_ids);
+
static struct platform_driver ep93xx_pata_platform_driver = {
.driver = {
.name = DRV_NAME,
+ .of_match_table = ep93xx_pata_of_ids,
},
.probe = ep93xx_pata_probe,
.remove_new = ep93xx_pata_remove,
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 260961668e48..299bc678ed1b 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -218,6 +218,14 @@ config COMMON_CLK_EN7523
This driver provides the fixed clocks and gates present on Airoha
ARM silicon.
+config COMMON_CLK_EP93XX
+ tristate "Clock driver for Cirrus Logic ep93xx SoC"
+ depends on ARCH_EP93XX || COMPILE_TEST
+ select AUXILIARY_BUS
+ select REGMAP_MMIO
+ help
+ This driver supports the SoC clocks on the Cirrus Logic ep93xx.
+
config COMMON_CLK_FSL_FLEXSPI
tristate "Clock driver for FlexSPI on Layerscape SoCs"
depends on ARCH_LAYERSCAPE || COMPILE_TEST
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 9b783c3e5d2f..fb8878a5d7d9 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_COMMON_CLK_CDCE706) += clk-cdce706.o
obj-$(CONFIG_COMMON_CLK_CDCE925) += clk-cdce925.o
obj-$(CONFIG_ARCH_CLPS711X) += clk-clps711x.o
obj-$(CONFIG_COMMON_CLK_CS2000_CP) += clk-cs2000-cp.o
+obj-$(CONFIG_COMMON_CLK_EP93XX) += clk-ep93xx.o
obj-$(CONFIG_ARCH_SPARX5) += clk-sparx5.o
obj-$(CONFIG_COMMON_CLK_EN7523) += clk-en7523.o
obj-$(CONFIG_COMMON_CLK_FIXED_MMIO) += clk-fixed-mmio.o
diff --git a/drivers/clk/clk-ep93xx.c b/drivers/clk/clk-ep93xx.c
new file mode 100644
index 000000000000..f888aed79b11
--- /dev/null
+++ b/drivers/clk/clk-ep93xx.c
@@ -0,0 +1,850 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Clock control for Cirrus EP93xx chips.
+ * Copyright (C) 2021 Nikita Shubin <nikita.shubin@maquefel.me>
+ *
+ * Based on a rewrite of arch/arm/mach-ep93xx/clock.c:
+ * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
+ */
+#define pr_fmt(fmt) "ep93xx " KBUILD_MODNAME ": " fmt
+
+#include <linux/bits.h>
+#include <linux/cleanup.h>
+#include <linux/clk-provider.h>
+#include <linux/math.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/spinlock.h>
+
+#include <linux/soc/cirrus/ep93xx.h>
+#include <dt-bindings/clock/cirrus,ep9301-syscon.h>
+
+#include <asm/div64.h>
+
+#define EP93XX_EXT_CLK_RATE 14745600
+#define EP93XX_EXT_RTC_RATE 32768
+
+#define EP93XX_SYSCON_POWER_STATE 0x00
+#define EP93XX_SYSCON_PWRCNT 0x04
+#define EP93XX_SYSCON_PWRCNT_UARTBAUD BIT(29)
+#define EP93XX_SYSCON_PWRCNT_USH_EN 28
+#define EP93XX_SYSCON_PWRCNT_DMA_M2M1 27
+#define EP93XX_SYSCON_PWRCNT_DMA_M2M0 26
+#define EP93XX_SYSCON_PWRCNT_DMA_M2P8 25
+#define EP93XX_SYSCON_PWRCNT_DMA_M2P9 24
+#define EP93XX_SYSCON_PWRCNT_DMA_M2P6 23
+#define EP93XX_SYSCON_PWRCNT_DMA_M2P7 22
+#define EP93XX_SYSCON_PWRCNT_DMA_M2P4 21
+#define EP93XX_SYSCON_PWRCNT_DMA_M2P5 20
+#define EP93XX_SYSCON_PWRCNT_DMA_M2P2 19
+#define EP93XX_SYSCON_PWRCNT_DMA_M2P3 18
+#define EP93XX_SYSCON_PWRCNT_DMA_M2P0 17
+#define EP93XX_SYSCON_PWRCNT_DMA_M2P1 16
+#define EP93XX_SYSCON_CLKSET1 0x20
+#define EP93XX_SYSCON_CLKSET1_NBYP1 BIT(23)
+#define EP93XX_SYSCON_CLKSET2 0x24
+#define EP93XX_SYSCON_CLKSET2_NBYP2 BIT(19)
+#define EP93XX_SYSCON_CLKSET2_PLL2_EN BIT(18)
+#define EP93XX_SYSCON_DEVCFG 0x80
+#define EP93XX_SYSCON_DEVCFG_U3EN 24
+#define EP93XX_SYSCON_DEVCFG_U2EN 20
+#define EP93XX_SYSCON_DEVCFG_U1EN 18
+#define EP93XX_SYSCON_VIDCLKDIV 0x84
+#define EP93XX_SYSCON_CLKDIV_ENABLE 15
+#define EP93XX_SYSCON_CLKDIV_ESEL BIT(14)
+#define EP93XX_SYSCON_CLKDIV_PSEL BIT(13)
+#define EP93XX_SYSCON_CLKDIV_MASK GENMASK(14, 13)
+#define EP93XX_SYSCON_CLKDIV_PDIV_SHIFT 8
+#define EP93XX_SYSCON_I2SCLKDIV 0x8c
+#define EP93XX_SYSCON_I2SCLKDIV_SENA 31
+#define EP93XX_SYSCON_I2SCLKDIV_ORIDE BIT(29)
+#define EP93XX_SYSCON_I2SCLKDIV_SPOL BIT(19)
+#define EP93XX_SYSCON_KEYTCHCLKDIV 0x90
+#define EP93XX_SYSCON_KEYTCHCLKDIV_TSEN 31
+#define EP93XX_SYSCON_KEYTCHCLKDIV_ADIV 16
+#define EP93XX_SYSCON_KEYTCHCLKDIV_KEN 15
+#define EP93XX_SYSCON_KEYTCHCLKDIV_KDIV 0
+#define EP93XX_SYSCON_CHIPID 0x94
+#define EP93XX_SYSCON_CHIPID_ID 0x9213
+
+#define EP93XX_FIXED_CLK_COUNT 21
+
+static const char ep93xx_adc_divisors[] = { 16, 4 };
+static const char ep93xx_sclk_divisors[] = { 2, 4 };
+static const char ep93xx_lrclk_divisors[] = { 32, 64, 128 };
+
+struct ep93xx_clk {
+ struct clk_hw hw;
+ u16 idx;
+ u16 reg;
+ u32 mask;
+ u8 bit_idx;
+ u8 shift;
+ u8 width;
+ u8 num_div;
+ const char *div;
+};
+
+struct ep93xx_clk_priv {
+ spinlock_t lock;
+ struct ep93xx_regmap_adev *aux_dev;
+ struct device *dev;
+ void __iomem *base;
+ struct regmap *map;
+ struct clk_hw *fixed[EP93XX_FIXED_CLK_COUNT];
+ struct ep93xx_clk reg[];
+};
+
+static struct ep93xx_clk *ep93xx_clk_from(struct clk_hw *hw)
+{
+ return container_of(hw, struct ep93xx_clk, hw);
+}
+
+static struct ep93xx_clk_priv *ep93xx_priv_from(struct ep93xx_clk *clk)
+{
+ return container_of(clk, struct ep93xx_clk_priv, reg[clk->idx]);
+}
+
+static void ep93xx_clk_write(struct ep93xx_clk_priv *priv, unsigned int reg, unsigned int val)
+{
+ struct ep93xx_regmap_adev *aux = priv->aux_dev;
+
+ aux->write(aux->map, aux->lock, reg, val);
+}
+
+static int ep93xx_clk_is_enabled(struct clk_hw *hw)
+{
+ struct ep93xx_clk *clk = ep93xx_clk_from(hw);
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ u32 val;
+
+ regmap_read(priv->map, clk->reg, &val);
+
+ return !!(val & BIT(clk->bit_idx));
+}
+
+static int ep93xx_clk_enable(struct clk_hw *hw)
+{
+ struct ep93xx_clk *clk = ep93xx_clk_from(hw);
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ u32 val;
+
+ guard(spinlock_irqsave)(&priv->lock);
+
+ regmap_read(priv->map, clk->reg, &val);
+ val |= BIT(clk->bit_idx);
+
+ ep93xx_clk_write(priv, clk->reg, val);
+
+ return 0;
+}
+
+static void ep93xx_clk_disable(struct clk_hw *hw)
+{
+ struct ep93xx_clk *clk = ep93xx_clk_from(hw);
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ u32 val;
+
+ guard(spinlock_irqsave)(&priv->lock);
+
+ regmap_read(priv->map, clk->reg, &val);
+ val &= ~BIT(clk->bit_idx);
+
+ ep93xx_clk_write(priv, clk->reg, val);
+}
+
+static const struct clk_ops clk_ep93xx_gate_ops = {
+ .enable = ep93xx_clk_enable,
+ .disable = ep93xx_clk_disable,
+ .is_enabled = ep93xx_clk_is_enabled,
+};
+
+static int ep93xx_clk_register_gate(struct ep93xx_clk *clk,
+ const char *name,
+ struct clk_parent_data *parent_data,
+ unsigned long flags,
+ unsigned int reg,
+ u8 bit_idx)
+{
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ struct clk_init_data init = { };
+
+ init.name = name;
+ init.ops = &clk_ep93xx_gate_ops;
+ init.flags = flags;
+ init.parent_data = parent_data;
+ init.num_parents = 1;
+
+ clk->reg = reg;
+ clk->bit_idx = bit_idx;
+ clk->hw.init = &init;
+
+ return devm_clk_hw_register(priv->dev, &clk->hw);
+}
+
+static u8 ep93xx_mux_get_parent(struct clk_hw *hw)
+{
+ struct ep93xx_clk *clk = ep93xx_clk_from(hw);
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ u32 val;
+
+ regmap_read(priv->map, clk->reg, &val);
+
+ val &= EP93XX_SYSCON_CLKDIV_MASK;
+
+ switch (val) {
+ case EP93XX_SYSCON_CLKDIV_ESEL:
+ return 1; /* PLL1 */
+ case EP93XX_SYSCON_CLKDIV_MASK:
+ return 2; /* PLL2 */
+ default:
+ return 0; /* XTALI */
+ };
+}
+
+static int ep93xx_mux_set_parent_lock(struct clk_hw *hw, u8 index)
+{
+ struct ep93xx_clk *clk = ep93xx_clk_from(hw);
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ u32 val;
+
+ if (index >= 3)
+ return -EINVAL;
+
+ guard(spinlock_irqsave)(&priv->lock);
+
+ regmap_read(priv->map, clk->reg, &val);
+ val &= ~(EP93XX_SYSCON_CLKDIV_MASK);
+ val |= index > 0 ? EP93XX_SYSCON_CLKDIV_ESEL : 0;
+ val |= index > 1 ? EP93XX_SYSCON_CLKDIV_PSEL : 0;
+
+ ep93xx_clk_write(priv, clk->reg, val);
+
+ return 0;
+}
+
+static bool is_best(unsigned long rate, unsigned long now,
+ unsigned long best)
+{
+ return abs_diff(rate, now) < abs_diff(rate, best);
+}
+
+static int ep93xx_mux_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ unsigned long best_rate = 0, actual_rate, mclk_rate;
+ unsigned long rate = req->rate;
+ struct clk_hw *parent_best = NULL;
+ unsigned long parent_rate_best;
+ unsigned long parent_rate;
+ int div, pdiv;
+ unsigned int i;
+
+ /*
+ * Try the two pll's and the external clock,
+ * because the valid predividers are 2, 2.5 and 3, we multiply
+ * all the clocks by 2 to avoid floating point math.
+ *
+ * This is based on the algorithm in the ep93xx raster guide:
+ * http://be-a-maverick.com/en/pubs/appNote/AN269REV1.pdf
+ *
+ */
+ for (i = 0; i < clk_hw_get_num_parents(hw); i++) {
+ struct clk_hw *parent = clk_hw_get_parent_by_index(hw, i);
+
+ parent_rate = clk_hw_get_rate(parent);
+ mclk_rate = parent_rate * 2;
+
+ /* Try each predivider value */
+ for (pdiv = 4; pdiv <= 6; pdiv++) {
+ div = DIV_ROUND_CLOSEST(mclk_rate, rate * pdiv);
+ if (!in_range(div, 1, 127))
+ continue;
+
+ actual_rate = DIV_ROUND_CLOSEST(mclk_rate, pdiv * div);
+ if (is_best(rate, actual_rate, best_rate)) {
+ best_rate = actual_rate;
+ parent_rate_best = parent_rate;
+ parent_best = parent;
+ }
+ }
+ }
+
+ if (!parent_best)
+ return -EINVAL;
+
+ req->best_parent_rate = parent_rate_best;
+ req->best_parent_hw = parent_best;
+ req->rate = best_rate;
+
+ return 0;
+}
+
+static unsigned long ep93xx_ddiv_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct ep93xx_clk *clk = ep93xx_clk_from(hw);
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ unsigned int pdiv, div;
+ u32 val;
+
+ regmap_read(priv->map, clk->reg, &val);
+ pdiv = (val >> EP93XX_SYSCON_CLKDIV_PDIV_SHIFT) & GENMASK(1, 0);
+ div = val & GENMASK(6, 0);
+ if (!div)
+ return 0;
+
+ return DIV_ROUND_CLOSEST(parent_rate * 2, (pdiv + 3) * div);
+}
+
+static int ep93xx_ddiv_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct ep93xx_clk *clk = ep93xx_clk_from(hw);
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ int pdiv, div, npdiv, ndiv;
+ unsigned long actual_rate, mclk_rate, rate_err = ULONG_MAX;
+ u32 val;
+
+ regmap_read(priv->map, clk->reg, &val);
+ mclk_rate = parent_rate * 2;
+
+ for (pdiv = 4; pdiv <= 6; pdiv++) {
+ div = DIV_ROUND_CLOSEST(mclk_rate, rate * pdiv);
+ if (!in_range(div, 1, 127))
+ continue;
+
+ actual_rate = DIV_ROUND_CLOSEST(mclk_rate, pdiv * div);
+ if (abs(actual_rate - rate) < rate_err) {
+ npdiv = pdiv - 3;
+ ndiv = div;
+ rate_err = abs(actual_rate - rate);
+ }
+ }
+
+ if (rate_err == ULONG_MAX)
+ return -EINVAL;
+
+ /*
+ * Clear old dividers.
+ * Bit 7 is reserved bit in all ClkDiv registers.
+ */
+ val &= ~(GENMASK(9, 0) & ~BIT(7));
+
+ /* Set the new pdiv and div bits for the new clock rate */
+ val |= (npdiv << EP93XX_SYSCON_CLKDIV_PDIV_SHIFT) | ndiv;
+
+ ep93xx_clk_write(priv, clk->reg, val);
+
+ return 0;
+}
+
+static const struct clk_ops clk_ddiv_ops = {
+ .enable = ep93xx_clk_enable,
+ .disable = ep93xx_clk_disable,
+ .is_enabled = ep93xx_clk_is_enabled,
+ .get_parent = ep93xx_mux_get_parent,
+ .set_parent = ep93xx_mux_set_parent_lock,
+ .determine_rate = ep93xx_mux_determine_rate,
+ .recalc_rate = ep93xx_ddiv_recalc_rate,
+ .set_rate = ep93xx_ddiv_set_rate,
+};
+
+static int ep93xx_clk_register_ddiv(struct ep93xx_clk *clk,
+ const char *name,
+ struct clk_parent_data *parent_data,
+ u8 num_parents,
+ unsigned int reg,
+ u8 bit_idx)
+{
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ struct clk_init_data init = { };
+
+ init.name = name;
+ init.ops = &clk_ddiv_ops;
+ init.flags = 0;
+ init.parent_data = parent_data;
+ init.num_parents = num_parents;
+
+ clk->reg = reg;
+ clk->bit_idx = bit_idx;
+ clk->hw.init = &init;
+
+ return devm_clk_hw_register(priv->dev, &clk->hw);
+}
+
+static unsigned long ep93xx_div_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct ep93xx_clk *clk = ep93xx_clk_from(hw);
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ u32 val;
+ u8 index;
+
+ regmap_read(priv->map, clk->reg, &val);
+ index = (val & clk->mask) >> clk->shift;
+ if (index >= clk->num_div)
+ return 0;
+
+ return DIV_ROUND_CLOSEST(parent_rate, clk->div[index]);
+}
+
+static long ep93xx_div_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct ep93xx_clk *clk = ep93xx_clk_from(hw);
+ unsigned long best = 0, now;
+ unsigned int i;
+
+ for (i = 0; i < clk->num_div; i++) {
+ if ((rate * clk->div[i]) == *parent_rate)
+ return rate;
+
+ now = DIV_ROUND_CLOSEST(*parent_rate, clk->div[i]);
+ if (!best || is_best(rate, now, best))
+ best = now;
+ }
+
+ return best;
+}
+
+static int ep93xx_div_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct ep93xx_clk *clk = ep93xx_clk_from(hw);
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ unsigned int i;
+ u32 val;
+
+ regmap_read(priv->map, clk->reg, &val);
+ val &= ~clk->mask;
+ for (i = 0; i < clk->num_div; i++)
+ if (rate == DIV_ROUND_CLOSEST(parent_rate, clk->div[i]))
+ break;
+
+ if (i == clk->num_div)
+ return -EINVAL;
+
+ val |= i << clk->shift;
+
+ ep93xx_clk_write(priv, clk->reg, val);
+
+ return 0;
+}
+
+static const struct clk_ops ep93xx_div_ops = {
+ .enable = ep93xx_clk_enable,
+ .disable = ep93xx_clk_disable,
+ .is_enabled = ep93xx_clk_is_enabled,
+ .recalc_rate = ep93xx_div_recalc_rate,
+ .round_rate = ep93xx_div_round_rate,
+ .set_rate = ep93xx_div_set_rate,
+};
+
+static int ep93xx_register_div(struct ep93xx_clk *clk,
+ const char *name,
+ const struct clk_parent_data *parent_data,
+ unsigned int reg,
+ u8 enable_bit,
+ u8 shift,
+ u8 width,
+ const char *clk_divisors,
+ u8 num_div)
+{
+ struct ep93xx_clk_priv *priv = ep93xx_priv_from(clk);
+ struct clk_init_data init = { };
+
+ init.name = name;
+ init.ops = &ep93xx_div_ops;
+ init.flags = 0;
+ init.parent_data = parent_data;
+ init.num_parents = 1;
+
+ clk->reg = reg;
+ clk->bit_idx = enable_bit;
+ clk->mask = GENMASK(shift + width - 1, shift);
+ clk->shift = shift;
+ clk->div = clk_divisors;
+ clk->num_div = num_div;
+ clk->hw.init = &init;
+
+ return devm_clk_hw_register(priv->dev, &clk->hw);
+}
+
+struct ep93xx_gate {
+ unsigned int idx;
+ unsigned int bit;
+ const char *name;
+};
+
+static const struct ep93xx_gate ep93xx_uarts[] = {
+ { EP93XX_CLK_UART1, EP93XX_SYSCON_DEVCFG_U1EN, "uart1" },
+ { EP93XX_CLK_UART2, EP93XX_SYSCON_DEVCFG_U2EN, "uart2" },
+ { EP93XX_CLK_UART3, EP93XX_SYSCON_DEVCFG_U3EN, "uart3" },
+};
+
+static int ep93xx_uart_clock_init(struct ep93xx_clk_priv *priv)
+{
+ struct clk_parent_data parent_data = { };
+ unsigned int i, idx, ret, clk_uart_div;
+ struct ep93xx_clk *clk;
+ u32 val;
+
+ regmap_read(priv->map, EP93XX_SYSCON_PWRCNT, &val);
+ if (val & EP93XX_SYSCON_PWRCNT_UARTBAUD)
+ clk_uart_div = 1;
+ else
+ clk_uart_div = 2;
+
+ priv->fixed[EP93XX_CLK_UART] =
+ devm_clk_hw_register_fixed_factor_index(priv->dev, "uart",
+ 0, /* XTALI external clock */
+ 0, 1, clk_uart_div);
+ parent_data.hw = priv->fixed[EP93XX_CLK_UART];
+
+ /* parenting uart gate clocks to uart clock */
+ for (i = 0; i < ARRAY_SIZE(ep93xx_uarts); i++) {
+ idx = ep93xx_uarts[i].idx - EP93XX_CLK_UART1;
+ clk = &priv->reg[idx];
+ clk->idx = idx;
+ ret = ep93xx_clk_register_gate(clk,
+ ep93xx_uarts[i].name,
+ &parent_data, CLK_SET_RATE_PARENT,
+ EP93XX_SYSCON_DEVCFG,
+ ep93xx_uarts[i].bit);
+ if (ret)
+ return dev_err_probe(priv->dev, ret,
+ "failed to register uart[%d] clock\n", i);
+ }
+
+ return 0;
+}
+
+static const struct ep93xx_gate ep93xx_dmas[] = {
+ { EP93XX_CLK_M2M0, EP93XX_SYSCON_PWRCNT_DMA_M2M0, "m2m0" },
+ { EP93XX_CLK_M2M1, EP93XX_SYSCON_PWRCNT_DMA_M2M1, "m2m1" },
+ { EP93XX_CLK_M2P0, EP93XX_SYSCON_PWRCNT_DMA_M2P0, "m2p0" },
+ { EP93XX_CLK_M2P1, EP93XX_SYSCON_PWRCNT_DMA_M2P1, "m2p1" },
+ { EP93XX_CLK_M2P2, EP93XX_SYSCON_PWRCNT_DMA_M2P2, "m2p2" },
+ { EP93XX_CLK_M2P3, EP93XX_SYSCON_PWRCNT_DMA_M2P3, "m2p3" },
+ { EP93XX_CLK_M2P4, EP93XX_SYSCON_PWRCNT_DMA_M2P4, "m2p4" },
+ { EP93XX_CLK_M2P5, EP93XX_SYSCON_PWRCNT_DMA_M2P5, "m2p5" },
+ { EP93XX_CLK_M2P6, EP93XX_SYSCON_PWRCNT_DMA_M2P6, "m2p6" },
+ { EP93XX_CLK_M2P7, EP93XX_SYSCON_PWRCNT_DMA_M2P7, "m2p7" },
+ { EP93XX_CLK_M2P8, EP93XX_SYSCON_PWRCNT_DMA_M2P8, "m2p8" },
+ { EP93XX_CLK_M2P9, EP93XX_SYSCON_PWRCNT_DMA_M2P9, "m2p9" },
+};
+
+static int ep93xx_dma_clock_init(struct ep93xx_clk_priv *priv)
+{
+ struct clk_parent_data parent_data = { };
+ unsigned int i, idx;
+
+ parent_data.hw = priv->fixed[EP93XX_CLK_HCLK];
+ for (i = 0; i < ARRAY_SIZE(ep93xx_dmas); i++) {
+ idx = ep93xx_dmas[i].idx;
+ priv->fixed[idx] = devm_clk_hw_register_gate_parent_data(priv->dev,
+ ep93xx_dmas[i].name,
+ &parent_data, 0,
+ priv->base + EP93XX_SYSCON_PWRCNT,
+ ep93xx_dmas[i].bit,
+ 0,
+ &priv->lock);
+ if (IS_ERR(priv->fixed[idx]))
+ return PTR_ERR(priv->fixed[idx]);
+ }
+
+ return 0;
+}
+
+static struct clk_hw *of_clk_ep93xx_get(struct of_phandle_args *clkspec, void *data)
+{
+ struct ep93xx_clk_priv *priv = data;
+ unsigned int idx = clkspec->args[0];
+
+ if (idx < EP93XX_CLK_UART1)
+ return priv->fixed[idx];
+
+ if (idx <= EP93XX_CLK_I2S_LRCLK)
+ return &priv->reg[idx - EP93XX_CLK_UART1].hw;
+
+ return ERR_PTR(-EINVAL);
+}
+
+/*
+ * PLL rate = 14.7456 MHz * (X1FBD + 1) * (X2FBD + 1) / (X2IPD + 1) / 2^PS
+ */
+static unsigned long calc_pll_rate(u64 rate, u32 config_word)
+{
+ rate *= ((config_word >> 11) & GENMASK(4, 0)) + 1; /* X1FBD */
+ rate *= ((config_word >> 5) & GENMASK(5, 0)) + 1; /* X2FBD */
+ do_div(rate, (config_word & GENMASK(4, 0)) + 1); /* X2IPD */
+ rate >>= (config_word >> 16) & GENMASK(1, 0); /* PS */
+
+ return rate;
+}
+
+static int ep93xx_plls_init(struct ep93xx_clk_priv *priv)
+{
+ const char fclk_divisors[] = { 1, 2, 4, 8, 16, 1, 1, 1 };
+ const char hclk_divisors[] = { 1, 2, 4, 5, 6, 8, 16, 32 };
+ const char pclk_divisors[] = { 1, 2, 4, 8 };
+ struct clk_parent_data xtali = { .index = 0 };
+ unsigned int clk_f_div, clk_h_div, clk_p_div;
+ unsigned long clk_pll1_rate, clk_pll2_rate;
+ struct device *dev = priv->dev;
+ struct clk_hw *hw, *pll1;
+ u32 value;
+
+ /* Determine the bootloader configured pll1 rate */
+ regmap_read(priv->map, EP93XX_SYSCON_CLKSET1, &value);
+
+ if (value & EP93XX_SYSCON_CLKSET1_NBYP1)
+ clk_pll1_rate = calc_pll_rate(EP93XX_EXT_CLK_RATE, value);
+ else
+ clk_pll1_rate = EP93XX_EXT_CLK_RATE;
+
+ pll1 = devm_clk_hw_register_fixed_rate_parent_data(dev, "pll1", &xtali,
+ 0, clk_pll1_rate);
+ if (IS_ERR(pll1))
+ return PTR_ERR(pll1);
+
+ priv->fixed[EP93XX_CLK_PLL1] = pll1;
+
+ /* Initialize the pll1 derived clocks */
+ clk_f_div = fclk_divisors[(value >> 25) & GENMASK(2, 0)];
+ clk_h_div = hclk_divisors[(value >> 20) & GENMASK(2, 0)];
+ clk_p_div = pclk_divisors[(value >> 18) & GENMASK(1, 0)];
+
+ hw = devm_clk_hw_register_fixed_factor_parent_hw(dev, "fclk", pll1, 0, 1, clk_f_div);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+
+ priv->fixed[EP93XX_CLK_FCLK] = hw;
+
+ hw = devm_clk_hw_register_fixed_factor_parent_hw(dev, "hclk", pll1, 0, 1, clk_h_div);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+
+ priv->fixed[EP93XX_CLK_HCLK] = hw;
+
+ hw = devm_clk_hw_register_fixed_factor_parent_hw(dev, "pclk", hw, 0, 1, clk_p_div);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+
+ priv->fixed[EP93XX_CLK_PCLK] = hw;
+
+ /* Determine the bootloader configured pll2 rate */
+ regmap_read(priv->map, EP93XX_SYSCON_CLKSET2, &value);
+ if (!(value & EP93XX_SYSCON_CLKSET2_NBYP2))
+ clk_pll2_rate = EP93XX_EXT_CLK_RATE;
+ else if (value & EP93XX_SYSCON_CLKSET2_PLL2_EN)
+ clk_pll2_rate = calc_pll_rate(EP93XX_EXT_CLK_RATE, value);
+ else
+ clk_pll2_rate = 0;
+
+ hw = devm_clk_hw_register_fixed_rate_parent_data(dev, "pll2", &xtali,
+ 0, clk_pll2_rate);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+
+ priv->fixed[EP93XX_CLK_PLL2] = hw;
+
+ return 0;
+}
+
+static int ep93xx_clk_probe(struct auxiliary_device *adev,
+ const struct auxiliary_device_id *id)
+{
+ struct ep93xx_regmap_adev *rdev = to_ep93xx_regmap_adev(adev);
+ struct clk_parent_data xtali = { .index = 0 };
+ struct clk_parent_data ddiv_pdata[3] = { };
+ unsigned int clk_spi_div, clk_usb_div;
+ struct clk_parent_data pdata = {};
+ struct device *dev = &adev->dev;
+ struct ep93xx_clk_priv *priv;
+ struct ep93xx_clk *clk;
+ struct clk_hw *hw;
+ unsigned int idx;
+ int ret;
+ u32 value;
+
+ priv = devm_kzalloc(dev, struct_size(priv, reg, 10), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ spin_lock_init(&priv->lock);
+ priv->dev = dev;
+ priv->aux_dev = rdev;
+ priv->map = rdev->map;
+ priv->base = rdev->base;
+
+ ret = ep93xx_plls_init(priv);
+ if (ret)
+ return ret;
+
+ regmap_read(priv->map, EP93XX_SYSCON_CLKSET2, &value);
+ clk_usb_div = (value >> 28 & GENMASK(3, 0)) + 1;
+ hw = devm_clk_hw_register_fixed_factor_parent_hw(dev, "usb_clk",
+ priv->fixed[EP93XX_CLK_PLL2], 0, 1,
+ clk_usb_div);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+
+ priv->fixed[EP93XX_CLK_USB] = hw;
+
+ ret = ep93xx_uart_clock_init(priv);
+ if (ret)
+ return ret;
+
+ ret = ep93xx_dma_clock_init(priv);
+ if (ret)
+ return ret;
+
+ clk_spi_div = id->driver_data;
+ hw = devm_clk_hw_register_fixed_factor_index(dev, "ep93xx-spi.0",
+ 0, /* XTALI external clock */
+ 0, 1, clk_spi_div);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+
+ priv->fixed[EP93XX_CLK_SPI] = hw;
+
+ /* PWM clock */
+ hw = devm_clk_hw_register_fixed_factor_index(dev, "pwm_clk", 0, /* XTALI external clock */
+ 0, 1, 1);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+
+ priv->fixed[EP93XX_CLK_PWM] = hw;
+
+ /* USB clock */
+ pdata.hw = priv->fixed[EP93XX_CLK_USB];
+ hw = devm_clk_hw_register_gate_parent_data(priv->dev, "ohci-platform", &pdata,
+ 0, priv->base + EP93XX_SYSCON_PWRCNT,
+ EP93XX_SYSCON_PWRCNT_USH_EN, 0,
+ &priv->lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+
+ priv->fixed[EP93XX_CLK_USB] = hw;
+
+ ddiv_pdata[0].index = 0; /* XTALI external clock */
+ ddiv_pdata[1].hw = priv->fixed[EP93XX_CLK_PLL1];
+ ddiv_pdata[2].hw = priv->fixed[EP93XX_CLK_PLL2];
+
+ /* touchscreen/ADC clock */
+ idx = EP93XX_CLK_ADC - EP93XX_CLK_UART1;
+ clk = &priv->reg[idx];
+ clk->idx = idx;
+ ret = ep93xx_register_div(clk, "ep93xx-adc", &xtali,
+ EP93XX_SYSCON_KEYTCHCLKDIV,
+ EP93XX_SYSCON_KEYTCHCLKDIV_TSEN,
+ EP93XX_SYSCON_KEYTCHCLKDIV_ADIV,
+ 1,
+ ep93xx_adc_divisors,
+ ARRAY_SIZE(ep93xx_adc_divisors));
+
+
+ /* keypad clock */
+ idx = EP93XX_CLK_KEYPAD - EP93XX_CLK_UART1;
+ clk = &priv->reg[idx];
+ clk->idx = idx;
+ ret = ep93xx_register_div(clk, "ep93xx-keypad", &xtali,
+ EP93XX_SYSCON_KEYTCHCLKDIV,
+ EP93XX_SYSCON_KEYTCHCLKDIV_KEN,
+ EP93XX_SYSCON_KEYTCHCLKDIV_KDIV,
+ 1,
+ ep93xx_adc_divisors,
+ ARRAY_SIZE(ep93xx_adc_divisors));
+
+ /*
+ * On reset PDIV and VDIV is set to zero, while PDIV zero
+ * means clock disable, VDIV shouldn't be zero.
+ * So we set both video and i2s dividers to minimum.
+ * ENA - Enable CLK divider.
+ * PDIV - 00 - Disable clock
+ * VDIV - at least 2
+ */
+
+ /* Check and enable video clk registers */
+ regmap_read(priv->map, EP93XX_SYSCON_VIDCLKDIV, &value);
+ value |= BIT(EP93XX_SYSCON_CLKDIV_PDIV_SHIFT) | 2;
+ ep93xx_clk_write(priv, EP93XX_SYSCON_VIDCLKDIV, value);
+
+ /* Check and enable i2s clk registers */
+ regmap_read(priv->map, EP93XX_SYSCON_I2SCLKDIV, &value);
+ value |= BIT(EP93XX_SYSCON_CLKDIV_PDIV_SHIFT) | 2;
+
+ /*
+ * Override the SAI_MSTR_CLK_CFG from the I2S block and use the
+ * I2SClkDiv Register settings. LRCLK transitions on the falling SCLK
+ * edge.
+ */
+ value |= EP93XX_SYSCON_I2SCLKDIV_ORIDE | EP93XX_SYSCON_I2SCLKDIV_SPOL;
+ ep93xx_clk_write(priv, EP93XX_SYSCON_I2SCLKDIV, value);
+
+ /* video clk */
+ idx = EP93XX_CLK_VIDEO - EP93XX_CLK_UART1;
+ clk = &priv->reg[idx];
+ clk->idx = idx;
+ ret = ep93xx_clk_register_ddiv(clk, "ep93xx-fb",
+ ddiv_pdata, ARRAY_SIZE(ddiv_pdata),
+ EP93XX_SYSCON_VIDCLKDIV,
+ EP93XX_SYSCON_CLKDIV_ENABLE);
+
+ /* i2s clk */
+ idx = EP93XX_CLK_I2S_MCLK - EP93XX_CLK_UART1;
+ clk = &priv->reg[idx];
+ clk->idx = idx;
+ ret = ep93xx_clk_register_ddiv(clk, "mclk",
+ ddiv_pdata, ARRAY_SIZE(ddiv_pdata),
+ EP93XX_SYSCON_I2SCLKDIV,
+ EP93XX_SYSCON_CLKDIV_ENABLE);
+
+ /* i2s sclk */
+ idx = EP93XX_CLK_I2S_SCLK - EP93XX_CLK_UART1;
+ clk = &priv->reg[idx];
+ clk->idx = idx;
+ pdata.hw = &priv->reg[EP93XX_CLK_I2S_MCLK - EP93XX_CLK_UART1].hw;
+ ret = ep93xx_register_div(clk, "sclk", &pdata,
+ EP93XX_SYSCON_I2SCLKDIV,
+ EP93XX_SYSCON_I2SCLKDIV_SENA,
+ 16, /* EP93XX_I2SCLKDIV_SDIV_SHIFT */
+ 1, /* EP93XX_I2SCLKDIV_SDIV_WIDTH */
+ ep93xx_sclk_divisors,
+ ARRAY_SIZE(ep93xx_sclk_divisors));
+
+ /* i2s lrclk */
+ idx = EP93XX_CLK_I2S_LRCLK - EP93XX_CLK_UART1;
+ clk = &priv->reg[idx];
+ clk->idx = idx;
+ pdata.hw = &priv->reg[EP93XX_CLK_I2S_SCLK - EP93XX_CLK_UART1].hw;
+ ret = ep93xx_register_div(clk, "lrclk", &pdata,
+ EP93XX_SYSCON_I2SCLKDIV,
+ EP93XX_SYSCON_I2SCLKDIV_SENA,
+ 17, /* EP93XX_I2SCLKDIV_LRDIV32_SHIFT */
+ 2, /* EP93XX_I2SCLKDIV_LRDIV32_WIDTH */
+ ep93xx_lrclk_divisors,
+ ARRAY_SIZE(ep93xx_lrclk_divisors));
+
+ /* IrDa clk uses same pattern but no init code presents in original clock driver */
+ return devm_of_clk_add_hw_provider(priv->dev, of_clk_ep93xx_get, priv);
+}
+
+static const struct auxiliary_device_id ep93xx_clk_ids[] = {
+ { .name = "soc_ep93xx.clk-ep93xx", .driver_data = 2, },
+ { .name = "soc_ep93xx.clk-ep93xx.e2", .driver_data = 1, },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(auxiliary, ep93xx_clk_ids);
+
+static struct auxiliary_driver ep93xx_clk_driver = {
+ .probe = ep93xx_clk_probe,
+ .id_table = ep93xx_clk_ids,
+};
+module_auxiliary_driver(ep93xx_clk_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Nikita Shubin <nikita.shubin@maquefel.me>");
+MODULE_DESCRIPTION("Clock control for Cirrus EP93xx chips");
diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c
index 4ee337e78c23..995427afe077 100644
--- a/drivers/dma/ep93xx_dma.c
+++ b/drivers/dma/ep93xx_dma.c
@@ -17,14 +17,15 @@
#include <linux/clk.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
+#include <linux/of_dma.h>
+#include <linux/overflow.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
-#include <linux/platform_data/dma-ep93xx.h>
-
#include "dmaengine.h"
/* M2P registers */
@@ -104,6 +105,31 @@
#define DMA_MAX_CHAN_BYTES 0xffff
#define DMA_MAX_CHAN_DESCRIPTORS 32
+/*
+ * M2P channels.
+ *
+ * Note that these values are also directly used for setting the PPALLOC
+ * register.
+ */
+#define EP93XX_DMA_I2S1 0
+#define EP93XX_DMA_I2S2 1
+#define EP93XX_DMA_AAC1 2
+#define EP93XX_DMA_AAC2 3
+#define EP93XX_DMA_AAC3 4
+#define EP93XX_DMA_I2S3 5
+#define EP93XX_DMA_UART1 6
+#define EP93XX_DMA_UART2 7
+#define EP93XX_DMA_UART3 8
+#define EP93XX_DMA_IRDA 9
+/* M2M channels */
+#define EP93XX_DMA_SSP 10
+#define EP93XX_DMA_IDE 11
+
+enum ep93xx_dma_type {
+ M2P_DMA,
+ M2M_DMA,
+};
+
struct ep93xx_dma_engine;
static int ep93xx_dma_slave_config_write(struct dma_chan *chan,
enum dma_transfer_direction dir,
@@ -129,11 +155,17 @@ struct ep93xx_dma_desc {
struct list_head node;
};
+struct ep93xx_dma_chan_cfg {
+ u8 port;
+ enum dma_transfer_direction dir;
+};
+
/**
* struct ep93xx_dma_chan - an EP93xx DMA M2P/M2M channel
* @chan: dmaengine API channel
* @edma: pointer to the engine device
* @regs: memory mapped registers
+ * @dma_cfg: channel number, direction
* @irq: interrupt number of the channel
* @clk: clock used by this channel
* @tasklet: channel specific tasklet used for callbacks
@@ -157,14 +189,12 @@ struct ep93xx_dma_desc {
* descriptor in the chain. When a descriptor is moved to the @active queue,
* the first and chained descriptors are flattened into a single list.
*
- * @chan.private holds pointer to &struct ep93xx_dma_data which contains
- * necessary channel configuration information. For memcpy channels this must
- * be %NULL.
*/
struct ep93xx_dma_chan {
struct dma_chan chan;
const struct ep93xx_dma_engine *edma;
void __iomem *regs;
+ struct ep93xx_dma_chan_cfg dma_cfg;
int irq;
struct clk *clk;
struct tasklet_struct tasklet;
@@ -216,6 +246,11 @@ struct ep93xx_dma_engine {
struct ep93xx_dma_chan channels[] __counted_by(num_channels);
};
+struct ep93xx_edma_data {
+ u32 id;
+ size_t num_channels;
+};
+
static inline struct device *chan2dev(struct ep93xx_dma_chan *edmac)
{
return &edmac->chan.dev->device;
@@ -226,6 +261,31 @@ static struct ep93xx_dma_chan *to_ep93xx_dma_chan(struct dma_chan *chan)
return container_of(chan, struct ep93xx_dma_chan, chan);
}
+static inline bool ep93xx_dma_chan_is_m2p(struct dma_chan *chan)
+{
+ if (device_is_compatible(chan->device->dev, "cirrus,ep9301-dma-m2p"))
+ return true;
+
+ return !strcmp(dev_name(chan->device->dev), "ep93xx-dma-m2p");
+}
+
+/*
+ * ep93xx_dma_chan_direction - returns direction the channel can be used
+ *
+ * This function can be used in filter functions to find out whether the
+ * channel supports given DMA direction. Only M2P channels have such
+ * limitation, for M2M channels the direction is configurable.
+ */
+static inline enum dma_transfer_direction
+ep93xx_dma_chan_direction(struct dma_chan *chan)
+{
+ if (!ep93xx_dma_chan_is_m2p(chan))
+ return DMA_TRANS_NONE;
+
+ /* even channels are for TX, odd for RX */
+ return (chan->chan_id % 2 == 0) ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
+}
+
/**
* ep93xx_dma_set_active - set new active descriptor chain
* @edmac: channel
@@ -318,10 +378,9 @@ static void m2p_set_control(struct ep93xx_dma_chan *edmac, u32 control)
static int m2p_hw_setup(struct ep93xx_dma_chan *edmac)
{
- struct ep93xx_dma_data *data = edmac->chan.private;
u32 control;
- writel(data->port & 0xf, edmac->regs + M2P_PPALLOC);
+ writel(edmac->dma_cfg.port & 0xf, edmac->regs + M2P_PPALLOC);
control = M2P_CONTROL_CH_ERROR_INT | M2P_CONTROL_ICE
| M2P_CONTROL_ENABLE;
@@ -458,16 +517,15 @@ static int m2p_hw_interrupt(struct ep93xx_dma_chan *edmac)
static int m2m_hw_setup(struct ep93xx_dma_chan *edmac)
{
- const struct ep93xx_dma_data *data = edmac->chan.private;
u32 control = 0;
- if (!data) {
+ if (edmac->dma_cfg.dir == DMA_MEM_TO_MEM) {
/* This is memcpy channel, nothing to configure */
writel(control, edmac->regs + M2M_CONTROL);
return 0;
}
- switch (data->port) {
+ switch (edmac->dma_cfg.port) {
case EP93XX_DMA_SSP:
/*
* This was found via experimenting - anything less than 5
@@ -477,7 +535,7 @@ static int m2m_hw_setup(struct ep93xx_dma_chan *edmac)
control = (5 << M2M_CONTROL_PWSC_SHIFT);
control |= M2M_CONTROL_NO_HDSK;
- if (data->direction == DMA_MEM_TO_DEV) {
+ if (edmac->dma_cfg.dir == DMA_MEM_TO_DEV) {
control |= M2M_CONTROL_DAH;
control |= M2M_CONTROL_TM_TX;
control |= M2M_CONTROL_RSS_SSPTX;
@@ -493,7 +551,7 @@ static int m2m_hw_setup(struct ep93xx_dma_chan *edmac)
* This IDE part is totally untested. Values below are taken
* from the EP93xx Users's Guide and might not be correct.
*/
- if (data->direction == DMA_MEM_TO_DEV) {
+ if (edmac->dma_cfg.dir == DMA_MEM_TO_DEV) {
/* Worst case from the UG */
control = (3 << M2M_CONTROL_PWSC_SHIFT);
control |= M2M_CONTROL_DAH;
@@ -548,7 +606,6 @@ static void m2m_fill_desc(struct ep93xx_dma_chan *edmac)
static void m2m_hw_submit(struct ep93xx_dma_chan *edmac)
{
- struct ep93xx_dma_data *data = edmac->chan.private;
u32 control = readl(edmac->regs + M2M_CONTROL);
/*
@@ -574,7 +631,7 @@ static void m2m_hw_submit(struct ep93xx_dma_chan *edmac)
control |= M2M_CONTROL_ENABLE;
writel(control, edmac->regs + M2M_CONTROL);
- if (!data) {
+ if (edmac->dma_cfg.dir == DMA_MEM_TO_MEM) {
/*
* For memcpy channels the software trigger must be asserted
* in order to start the memcpy operation.
@@ -636,7 +693,7 @@ static int m2m_hw_interrupt(struct ep93xx_dma_chan *edmac)
*/
if (ep93xx_dma_advance_active(edmac)) {
m2m_fill_desc(edmac);
- if (done && !edmac->chan.private) {
+ if (done && edmac->dma_cfg.dir == DMA_MEM_TO_MEM) {
/* Software trigger for memcpy channel */
control = readl(edmac->regs + M2M_CONTROL);
control |= M2M_CONTROL_START;
@@ -867,25 +924,22 @@ static dma_cookie_t ep93xx_dma_tx_submit(struct dma_async_tx_descriptor *tx)
static int ep93xx_dma_alloc_chan_resources(struct dma_chan *chan)
{
struct ep93xx_dma_chan *edmac = to_ep93xx_dma_chan(chan);
- struct ep93xx_dma_data *data = chan->private;
const char *name = dma_chan_name(chan);
int ret, i;
/* Sanity check the channel parameters */
if (!edmac->edma->m2m) {
- if (!data)
- return -EINVAL;
- if (data->port < EP93XX_DMA_I2S1 ||
- data->port > EP93XX_DMA_IRDA)
+ if (edmac->dma_cfg.port < EP93XX_DMA_I2S1 ||
+ edmac->dma_cfg.port > EP93XX_DMA_IRDA)
return -EINVAL;
- if (data->direction != ep93xx_dma_chan_direction(chan))
+ if (edmac->dma_cfg.dir != ep93xx_dma_chan_direction(chan))
return -EINVAL;
} else {
- if (data) {
- switch (data->port) {
+ if (edmac->dma_cfg.dir != DMA_MEM_TO_MEM) {
+ switch (edmac->dma_cfg.port) {
case EP93XX_DMA_SSP:
case EP93XX_DMA_IDE:
- if (!is_slave_direction(data->direction))
+ if (!is_slave_direction(edmac->dma_cfg.dir))
return -EINVAL;
break;
default:
@@ -894,9 +948,6 @@ static int ep93xx_dma_alloc_chan_resources(struct dma_chan *chan)
}
}
- if (data && data->name)
- name = data->name;
-
ret = clk_prepare_enable(edmac->clk);
if (ret)
return ret;
@@ -1315,36 +1366,53 @@ static void ep93xx_dma_issue_pending(struct dma_chan *chan)
ep93xx_dma_advance_work(to_ep93xx_dma_chan(chan));
}
-static int __init ep93xx_dma_probe(struct platform_device *pdev)
+static struct ep93xx_dma_engine *ep93xx_dma_of_probe(struct platform_device *pdev)
{
- struct ep93xx_dma_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ const struct ep93xx_edma_data *data;
+ struct device *dev = &pdev->dev;
struct ep93xx_dma_engine *edma;
struct dma_device *dma_dev;
- int ret, i;
+ char dma_clk_name[5];
+ int i;
- edma = kzalloc(struct_size(edma, channels, pdata->num_channels), GFP_KERNEL);
+ data = device_get_match_data(dev);
+ if (!data)
+ return ERR_PTR(dev_err_probe(dev, -ENODEV, "No device match found\n"));
+
+ edma = devm_kzalloc(dev, struct_size(edma, channels, data->num_channels),
+ GFP_KERNEL);
if (!edma)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
+ edma->m2m = data->id;
+ edma->num_channels = data->num_channels;
dma_dev = &edma->dma_dev;
- edma->m2m = platform_get_device_id(pdev)->driver_data;
- edma->num_channels = pdata->num_channels;
INIT_LIST_HEAD(&dma_dev->channels);
- for (i = 0; i < pdata->num_channels; i++) {
- const struct ep93xx_dma_chan_data *cdata = &pdata->channels[i];
+ for (i = 0; i < edma->num_channels; i++) {
struct ep93xx_dma_chan *edmac = &edma->channels[i];
edmac->chan.device = dma_dev;
- edmac->regs = cdata->base;
- edmac->irq = cdata->irq;
+ edmac->regs = devm_platform_ioremap_resource(pdev, i);
+ if (IS_ERR(edmac->regs))
+ return edmac->regs;
+
+ edmac->irq = fwnode_irq_get(dev_fwnode(dev), i);
+ if (edmac->irq < 0)
+ return ERR_PTR(edmac->irq);
+
edmac->edma = edma;
- edmac->clk = clk_get(NULL, cdata->name);
+ if (edma->m2m)
+ snprintf(dma_clk_name, sizeof(dma_clk_name), "m2m%u", i);
+ else
+ snprintf(dma_clk_name, sizeof(dma_clk_name), "m2p%u", i);
+
+ edmac->clk = devm_clk_get(dev, dma_clk_name);
if (IS_ERR(edmac->clk)) {
- dev_warn(&pdev->dev, "failed to get clock for %s\n",
- cdata->name);
- continue;
+ dev_err_probe(dev, PTR_ERR(edmac->clk),
+ "no %s clock found\n", dma_clk_name);
+ return ERR_CAST(edmac->clk);
}
spin_lock_init(&edmac->lock);
@@ -1357,6 +1425,90 @@ static int __init ep93xx_dma_probe(struct platform_device *pdev)
&dma_dev->channels);
}
+ return edma;
+}
+
+static bool ep93xx_m2p_dma_filter(struct dma_chan *chan, void *filter_param)
+{
+ struct ep93xx_dma_chan *echan = to_ep93xx_dma_chan(chan);
+ struct ep93xx_dma_chan_cfg *cfg = filter_param;
+
+ if (cfg->dir != ep93xx_dma_chan_direction(chan))
+ return false;
+
+ echan->dma_cfg = *cfg;
+ return true;
+}
+
+static struct dma_chan *ep93xx_m2p_dma_of_xlate(struct of_phandle_args *dma_spec,
+ struct of_dma *ofdma)
+{
+ struct ep93xx_dma_engine *edma = ofdma->of_dma_data;
+ dma_cap_mask_t mask = edma->dma_dev.cap_mask;
+ struct ep93xx_dma_chan_cfg dma_cfg;
+ u8 port = dma_spec->args[0];
+ u8 direction = dma_spec->args[1];
+
+ if (port > EP93XX_DMA_IRDA)
+ return NULL;
+
+ if (!is_slave_direction(direction))
+ return NULL;
+
+ dma_cfg.port = port;
+ dma_cfg.dir = direction;
+
+ return __dma_request_channel(&mask, ep93xx_m2p_dma_filter, &dma_cfg, ofdma->of_node);
+}
+
+static bool ep93xx_m2m_dma_filter(struct dma_chan *chan, void *filter_param)
+{
+ struct ep93xx_dma_chan *echan = to_ep93xx_dma_chan(chan);
+ struct ep93xx_dma_chan_cfg *cfg = filter_param;
+
+ echan->dma_cfg = *cfg;
+
+ return true;
+}
+
+static struct dma_chan *ep93xx_m2m_dma_of_xlate(struct of_phandle_args *dma_spec,
+ struct of_dma *ofdma)
+{
+ struct ep93xx_dma_engine *edma = ofdma->of_dma_data;
+ dma_cap_mask_t mask = edma->dma_dev.cap_mask;
+ struct ep93xx_dma_chan_cfg dma_cfg;
+ u8 port = dma_spec->args[0];
+ u8 direction = dma_spec->args[1];
+
+ if (!is_slave_direction(direction))
+ return NULL;
+
+ switch (port) {
+ case EP93XX_DMA_SSP:
+ case EP93XX_DMA_IDE:
+ break;
+ default:
+ return NULL;
+ }
+
+ dma_cfg.port = port;
+ dma_cfg.dir = direction;
+
+ return __dma_request_channel(&mask, ep93xx_m2m_dma_filter, &dma_cfg, ofdma->of_node);
+}
+
+static int ep93xx_dma_probe(struct platform_device *pdev)
+{
+ struct ep93xx_dma_engine *edma;
+ struct dma_device *dma_dev;
+ int ret;
+
+ edma = ep93xx_dma_of_probe(pdev);
+ if (IS_ERR(edma))
+ return PTR_ERR(edma);
+
+ dma_dev = &edma->dma_dev;
+
dma_cap_zero(dma_dev->cap_mask);
dma_cap_set(DMA_SLAVE, dma_dev->cap_mask);
dma_cap_set(DMA_CYCLIC, dma_dev->cap_mask);
@@ -1393,21 +1545,46 @@ static int __init ep93xx_dma_probe(struct platform_device *pdev)
}
ret = dma_async_device_register(dma_dev);
- if (unlikely(ret)) {
- for (i = 0; i < edma->num_channels; i++) {
- struct ep93xx_dma_chan *edmac = &edma->channels[i];
- if (!IS_ERR_OR_NULL(edmac->clk))
- clk_put(edmac->clk);
- }
- kfree(edma);
+ if (ret)
+ return ret;
+
+ if (edma->m2m) {
+ ret = of_dma_controller_register(pdev->dev.of_node, ep93xx_m2m_dma_of_xlate,
+ edma);
} else {
- dev_info(dma_dev->dev, "EP93xx M2%s DMA ready\n",
- edma->m2m ? "M" : "P");
+ ret = of_dma_controller_register(pdev->dev.of_node, ep93xx_m2p_dma_of_xlate,
+ edma);
}
+ if (ret)
+ goto err_dma_unregister;
+
+ dev_info(dma_dev->dev, "EP93xx M2%s DMA ready\n", edma->m2m ? "M" : "P");
+
+ return 0;
+
+err_dma_unregister:
+ dma_async_device_unregister(dma_dev);
return ret;
}
+static const struct ep93xx_edma_data edma_m2p = {
+ .id = M2P_DMA,
+ .num_channels = 10,
+};
+
+static const struct ep93xx_edma_data edma_m2m = {
+ .id = M2M_DMA,
+ .num_channels = 2,
+};
+
+static const struct of_device_id ep93xx_dma_of_ids[] = {
+ { .compatible = "cirrus,ep9301-dma-m2p", .data = &edma_m2p },
+ { .compatible = "cirrus,ep9301-dma-m2m", .data = &edma_m2m },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ep93xx_dma_of_ids);
+
static const struct platform_device_id ep93xx_dma_driver_ids[] = {
{ "ep93xx-dma-m2p", 0 },
{ "ep93xx-dma-m2m", 1 },
@@ -1417,15 +1594,13 @@ static const struct platform_device_id ep93xx_dma_driver_ids[] = {
static struct platform_driver ep93xx_dma_driver = {
.driver = {
.name = "ep93xx-dma",
+ .of_match_table = ep93xx_dma_of_ids,
},
.id_table = ep93xx_dma_driver_ids,
+ .probe = ep93xx_dma_probe,
};
-static int __init ep93xx_dma_module_init(void)
-{
- return platform_driver_probe(&ep93xx_dma_driver, ep93xx_dma_probe);
-}
-subsys_initcall(ep93xx_dma_module_init);
+module_platform_driver(ep93xx_dma_driver);
MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
MODULE_DESCRIPTION("EP93xx DMA driver");
diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c
index 6cedf46efec6..ab798c848215 100644
--- a/drivers/gpio/gpio-ep93xx.c
+++ b/drivers/gpio/gpio-ep93xx.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/slab.h>
@@ -19,29 +20,8 @@
#include <linux/bitops.h>
#include <linux/seq_file.h>
-#define EP93XX_GPIO_F_INT_STATUS 0x5c
-#define EP93XX_GPIO_A_INT_STATUS 0xa0
-#define EP93XX_GPIO_B_INT_STATUS 0xbc
-
-/* Maximum value for gpio line identifiers */
-#define EP93XX_GPIO_LINE_MAX 63
-
-/* Number of GPIO chips in EP93XX */
-#define EP93XX_GPIO_CHIP_NUM 8
-
-/* Maximum value for irq capable line identifiers */
-#define EP93XX_GPIO_LINE_MAX_IRQ 23
-
-#define EP93XX_GPIO_A_IRQ_BASE 64
-#define EP93XX_GPIO_B_IRQ_BASE 72
-/*
- * Static mapping of GPIO bank F IRQS:
- * F0..F7 (16..24) to irq 80..87.
- */
-#define EP93XX_GPIO_F_IRQ_BASE 80
-
struct ep93xx_gpio_irq_chip {
- u8 irq_offset;
+ void __iomem *base;
u8 int_unmasked;
u8 int_enabled;
u8 int_type1;
@@ -50,15 +30,11 @@ struct ep93xx_gpio_irq_chip {
};
struct ep93xx_gpio_chip {
+ void __iomem *base;
struct gpio_chip gc;
struct ep93xx_gpio_irq_chip *eic;
};
-struct ep93xx_gpio {
- void __iomem *base;
- struct ep93xx_gpio_chip gc[EP93XX_GPIO_CHIP_NUM];
-};
-
#define to_ep93xx_gpio_chip(x) container_of(x, struct ep93xx_gpio_chip, gc)
static struct ep93xx_gpio_irq_chip *to_ep93xx_gpio_irq_chip(struct gpio_chip *gc)
@@ -79,25 +55,23 @@ static struct ep93xx_gpio_irq_chip *to_ep93xx_gpio_irq_chip(struct gpio_chip *gc
#define EP93XX_INT_RAW_STATUS_OFFSET 0x14
#define EP93XX_INT_DEBOUNCE_OFFSET 0x18
-static void ep93xx_gpio_update_int_params(struct ep93xx_gpio *epg,
- struct ep93xx_gpio_irq_chip *eic)
+static void ep93xx_gpio_update_int_params(struct ep93xx_gpio_irq_chip *eic)
{
- writeb_relaxed(0, epg->base + eic->irq_offset + EP93XX_INT_EN_OFFSET);
+ writeb_relaxed(0, eic->base + EP93XX_INT_EN_OFFSET);
writeb_relaxed(eic->int_type2,
- epg->base + eic->irq_offset + EP93XX_INT_TYPE2_OFFSET);
+ eic->base + EP93XX_INT_TYPE2_OFFSET);
writeb_relaxed(eic->int_type1,
- epg->base + eic->irq_offset + EP93XX_INT_TYPE1_OFFSET);
+ eic->base + EP93XX_INT_TYPE1_OFFSET);
writeb_relaxed(eic->int_unmasked & eic->int_enabled,
- epg->base + eic->irq_offset + EP93XX_INT_EN_OFFSET);
+ eic->base + EP93XX_INT_EN_OFFSET);
}
static void ep93xx_gpio_int_debounce(struct gpio_chip *gc,
unsigned int offset, bool enable)
{
- struct ep93xx_gpio *epg = gpiochip_get_data(gc);
struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
int port_mask = BIT(offset);
@@ -106,53 +80,43 @@ static void ep93xx_gpio_int_debounce(struct gpio_chip *gc,
else
eic->int_debounce &= ~port_mask;
- writeb(eic->int_debounce,
- epg->base + eic->irq_offset + EP93XX_INT_DEBOUNCE_OFFSET);
+ writeb(eic->int_debounce, eic->base + EP93XX_INT_DEBOUNCE_OFFSET);
}
-static void ep93xx_gpio_ab_irq_handler(struct irq_desc *desc)
+static u32 ep93xx_gpio_ab_irq_handler(struct gpio_chip *gc)
{
- struct gpio_chip *gc = irq_desc_get_handler_data(desc);
- struct ep93xx_gpio *epg = gpiochip_get_data(gc);
- struct irq_chip *irqchip = irq_desc_get_chip(desc);
+ struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
unsigned long stat;
int offset;
- chained_irq_enter(irqchip, desc);
-
- /*
- * Dispatch the IRQs to the irqdomain of each A and B
- * gpiochip irqdomains depending on what has fired.
- * The tricky part is that the IRQ line is shared
- * between bank A and B and each has their own gpiochip.
- */
- stat = readb(epg->base + EP93XX_GPIO_A_INT_STATUS);
+ stat = readb(eic->base + EP93XX_INT_STATUS_OFFSET);
for_each_set_bit(offset, &stat, 8)
- generic_handle_domain_irq(epg->gc[0].gc.irq.domain,
- offset);
+ generic_handle_domain_irq(gc->irq.domain, offset);
- stat = readb(epg->base + EP93XX_GPIO_B_INT_STATUS);
- for_each_set_bit(offset, &stat, 8)
- generic_handle_domain_irq(epg->gc[1].gc.irq.domain,
- offset);
+ return stat;
+}
- chained_irq_exit(irqchip, desc);
+static irqreturn_t ep93xx_ab_irq_handler(int irq, void *dev_id)
+{
+ return IRQ_RETVAL(ep93xx_gpio_ab_irq_handler(dev_id));
}
static void ep93xx_gpio_f_irq_handler(struct irq_desc *desc)
{
- /*
- * map discontiguous hw irq range to continuous sw irq range:
- *
- * IRQ_EP93XX_GPIO{0..7}MUX -> EP93XX_GPIO_LINE_F{0..7}
- */
struct irq_chip *irqchip = irq_desc_get_chip(desc);
- unsigned int irq = irq_desc_get_irq(desc);
- int port_f_idx = (irq & 7) ^ 4; /* {20..23,48..51} -> {0..7} */
- int gpio_irq = EP93XX_GPIO_F_IRQ_BASE + port_f_idx;
+ struct gpio_chip *gc = irq_desc_get_handler_data(desc);
+ struct gpio_irq_chip *gic = &gc->irq;
+ unsigned int parent = irq_desc_get_irq(desc);
+ unsigned int i;
chained_irq_enter(irqchip, desc);
- generic_handle_irq(gpio_irq);
+ for (i = 0; i < gic->num_parents; i++)
+ if (gic->parents[i] == parent)
+ break;
+
+ if (i < gic->num_parents)
+ generic_handle_domain_irq(gc->irq.domain, i);
+
chained_irq_exit(irqchip, desc);
}
@@ -160,54 +124,53 @@ static void ep93xx_gpio_irq_ack(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
- struct ep93xx_gpio *epg = gpiochip_get_data(gc);
- int port_mask = BIT(d->irq & 7);
+ int port_mask = BIT(irqd_to_hwirq(d));
if (irqd_get_trigger_type(d) == IRQ_TYPE_EDGE_BOTH) {
eic->int_type2 ^= port_mask; /* switch edge direction */
- ep93xx_gpio_update_int_params(epg, eic);
+ ep93xx_gpio_update_int_params(eic);
}
- writeb(port_mask, epg->base + eic->irq_offset + EP93XX_INT_EOI_OFFSET);
+ writeb(port_mask, eic->base + EP93XX_INT_EOI_OFFSET);
}
static void ep93xx_gpio_irq_mask_ack(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
- struct ep93xx_gpio *epg = gpiochip_get_data(gc);
- int port_mask = BIT(d->irq & 7);
+ irq_hw_number_t hwirq = irqd_to_hwirq(d);
+ int port_mask = BIT(hwirq);
if (irqd_get_trigger_type(d) == IRQ_TYPE_EDGE_BOTH)
eic->int_type2 ^= port_mask; /* switch edge direction */
eic->int_unmasked &= ~port_mask;
- ep93xx_gpio_update_int_params(epg, eic);
+ ep93xx_gpio_update_int_params(eic);
- writeb(port_mask, epg->base + eic->irq_offset + EP93XX_INT_EOI_OFFSET);
- gpiochip_disable_irq(gc, irqd_to_hwirq(d));
+ writeb(port_mask, eic->base + EP93XX_INT_EOI_OFFSET);
+ gpiochip_disable_irq(gc, hwirq);
}
static void ep93xx_gpio_irq_mask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
- struct ep93xx_gpio *epg = gpiochip_get_data(gc);
+ irq_hw_number_t hwirq = irqd_to_hwirq(d);
- eic->int_unmasked &= ~BIT(d->irq & 7);
- ep93xx_gpio_update_int_params(epg, eic);
- gpiochip_disable_irq(gc, irqd_to_hwirq(d));
+ eic->int_unmasked &= ~BIT(hwirq);
+ ep93xx_gpio_update_int_params(eic);
+ gpiochip_disable_irq(gc, hwirq);
}
static void ep93xx_gpio_irq_unmask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
- struct ep93xx_gpio *epg = gpiochip_get_data(gc);
+ irq_hw_number_t hwirq = irqd_to_hwirq(d);
- gpiochip_enable_irq(gc, irqd_to_hwirq(d));
- eic->int_unmasked |= BIT(d->irq & 7);
- ep93xx_gpio_update_int_params(epg, eic);
+ gpiochip_enable_irq(gc, hwirq);
+ eic->int_unmasked |= BIT(hwirq);
+ ep93xx_gpio_update_int_params(eic);
}
/*
@@ -219,12 +182,11 @@ static int ep93xx_gpio_irq_type(struct irq_data *d, unsigned int type)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
- struct ep93xx_gpio *epg = gpiochip_get_data(gc);
- int offset = d->irq & 7;
- int port_mask = BIT(offset);
+ irq_hw_number_t hwirq = irqd_to_hwirq(d);
+ int port_mask = BIT(hwirq);
irq_flow_handler_t handler;
- gc->direction_input(gc, offset);
+ gc->direction_input(gc, hwirq);
switch (type) {
case IRQ_TYPE_EDGE_RISING:
@@ -250,7 +212,7 @@ static int ep93xx_gpio_irq_type(struct irq_data *d, unsigned int type)
case IRQ_TYPE_EDGE_BOTH:
eic->int_type1 |= port_mask;
/* set initial polarity based on current input level */
- if (gc->get(gc, offset))
+ if (gc->get(gc, hwirq))
eic->int_type2 &= ~port_mask; /* falling */
else
eic->int_type2 |= port_mask; /* rising */
@@ -264,51 +226,11 @@ static int ep93xx_gpio_irq_type(struct irq_data *d, unsigned int type)
eic->int_enabled |= port_mask;
- ep93xx_gpio_update_int_params(epg, eic);
+ ep93xx_gpio_update_int_params(eic);
return 0;
}
-/*************************************************************************
- * gpiolib interface for EP93xx on-chip GPIOs
- *************************************************************************/
-struct ep93xx_gpio_bank {
- const char *label;
- int data;
- int dir;
- int irq;
- int base;
- bool has_irq;
- bool has_hierarchical_irq;
- unsigned int irq_base;
-};
-
-#define EP93XX_GPIO_BANK(_label, _data, _dir, _irq, _base, _has_irq, _has_hier, _irq_base) \
- { \
- .label = _label, \
- .data = _data, \
- .dir = _dir, \
- .irq = _irq, \
- .base = _base, \
- .has_irq = _has_irq, \
- .has_hierarchical_irq = _has_hier, \
- .irq_base = _irq_base, \
- }
-
-static struct ep93xx_gpio_bank ep93xx_gpio_banks[] = {
- /* Bank A has 8 IRQs */
- EP93XX_GPIO_BANK("A", 0x00, 0x10, 0x90, 0, true, false, EP93XX_GPIO_A_IRQ_BASE),
- /* Bank B has 8 IRQs */
- EP93XX_GPIO_BANK("B", 0x04, 0x14, 0xac, 8, true, false, EP93XX_GPIO_B_IRQ_BASE),
- EP93XX_GPIO_BANK("C", 0x08, 0x18, 0x00, 40, false, false, 0),
- EP93XX_GPIO_BANK("D", 0x0c, 0x1c, 0x00, 24, false, false, 0),
- EP93XX_GPIO_BANK("E", 0x20, 0x24, 0x00, 32, false, false, 0),
- /* Bank F has 8 IRQs */
- EP93XX_GPIO_BANK("F", 0x30, 0x34, 0x4c, 16, false, true, EP93XX_GPIO_F_IRQ_BASE),
- EP93XX_GPIO_BANK("G", 0x38, 0x3c, 0x00, 48, false, false, 0),
- EP93XX_GPIO_BANK("H", 0x40, 0x44, 0x00, 56, false, false, 0),
-};
-
static int ep93xx_gpio_set_config(struct gpio_chip *gc, unsigned offset,
unsigned long config)
{
@@ -342,115 +264,112 @@ static const struct irq_chip gpio_eic_irq_chip = {
GPIOCHIP_IRQ_RESOURCE_HELPERS,
};
-static int ep93xx_gpio_add_bank(struct ep93xx_gpio_chip *egc,
- struct platform_device *pdev,
- struct ep93xx_gpio *epg,
- struct ep93xx_gpio_bank *bank)
+static int ep93xx_setup_irqs(struct platform_device *pdev,
+ struct ep93xx_gpio_chip *egc)
{
- void __iomem *data = epg->base + bank->data;
- void __iomem *dir = epg->base + bank->dir;
struct gpio_chip *gc = &egc->gc;
struct device *dev = &pdev->dev;
- struct gpio_irq_chip *girq;
- int err;
-
- err = bgpio_init(gc, dev, 1, data, NULL, NULL, dir, NULL, 0);
- if (err)
- return err;
-
- gc->label = bank->label;
- gc->base = bank->base;
-
- girq = &gc->irq;
- if (bank->has_irq || bank->has_hierarchical_irq) {
- gc->set_config = ep93xx_gpio_set_config;
- egc->eic = devm_kcalloc(dev, 1,
- sizeof(*egc->eic),
- GFP_KERNEL);
- if (!egc->eic)
- return -ENOMEM;
- egc->eic->irq_offset = bank->irq;
- gpio_irq_chip_set_chip(girq, &gpio_eic_irq_chip);
- }
+ struct gpio_irq_chip *girq = &gc->irq;
+ int ret, irq, i;
+ void __iomem *intr;
- if (bank->has_irq) {
- int ab_parent_irq = platform_get_irq(pdev, 0);
-
- girq->parent_handler = ep93xx_gpio_ab_irq_handler;
- girq->num_parents = 1;
- girq->parents = devm_kcalloc(dev, girq->num_parents,
- sizeof(*girq->parents),
- GFP_KERNEL);
- if (!girq->parents)
- return -ENOMEM;
- girq->default_type = IRQ_TYPE_NONE;
- girq->handler = handle_level_irq;
- girq->parents[0] = ab_parent_irq;
- girq->first = bank->irq_base;
- }
+ intr = devm_platform_ioremap_resource_byname(pdev, "intr");
+ if (IS_ERR(intr))
+ return PTR_ERR(intr);
+
+ gc->set_config = ep93xx_gpio_set_config;
+ egc->eic = devm_kzalloc(dev, sizeof(*egc->eic), GFP_KERNEL);
+ if (!egc->eic)
+ return -ENOMEM;
+
+ egc->eic->base = intr;
+ gpio_irq_chip_set_chip(girq, &gpio_eic_irq_chip);
+ girq->num_parents = platform_irq_count(pdev);
+ if (girq->num_parents == 0)
+ return -EINVAL;
+
+ girq->parents = devm_kcalloc(dev, girq->num_parents, sizeof(*girq->parents),
+ GFP_KERNEL);
+ if (!girq->parents)
+ return -ENOMEM;
- /* Only bank F has especially funky IRQ handling */
- if (bank->has_hierarchical_irq) {
- int gpio_irq;
- int i;
+ if (girq->num_parents == 1) { /* A/B irqchips */
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
- /*
- * FIXME: convert this to use hierarchical IRQ support!
- * this requires fixing the root irqchip to be hierarchical.
- */
+ ret = devm_request_irq(dev, irq, ep93xx_ab_irq_handler,
+ IRQF_SHARED, gc->label, gc);
+ if (ret)
+ return dev_err_probe(dev, ret, "requesting IRQ: %d\n", irq);
+
+ girq->parents[0] = irq;
+ } else { /* F irqchip */
girq->parent_handler = ep93xx_gpio_f_irq_handler;
- girq->num_parents = 8;
- girq->parents = devm_kcalloc(dev, girq->num_parents,
- sizeof(*girq->parents),
- GFP_KERNEL);
- if (!girq->parents)
- return -ENOMEM;
- /* Pick resources 1..8 for these IRQs */
+
for (i = 0; i < girq->num_parents; i++) {
- girq->parents[i] = platform_get_irq(pdev, i + 1);
- gpio_irq = bank->irq_base + i;
- irq_set_chip_data(gpio_irq, &epg->gc[5]);
- irq_set_chip_and_handler(gpio_irq,
- girq->chip,
- handle_level_irq);
- irq_clear_status_flags(gpio_irq, IRQ_NOREQUEST);
+ irq = platform_get_irq_optional(pdev, i);
+ if (irq < 0)
+ continue;
+
+ girq->parents[i] = irq;
}
- girq->default_type = IRQ_TYPE_NONE;
- girq->handler = handle_level_irq;
- girq->first = bank->irq_base;
+
+ girq->map = girq->parents;
}
- return devm_gpiochip_add_data(dev, gc, epg);
+ girq->default_type = IRQ_TYPE_NONE;
+ /* TODO: replace with handle_bad_irq() once we are fully hierarchical */
+ girq->handler = handle_simple_irq;
+
+ return 0;
}
static int ep93xx_gpio_probe(struct platform_device *pdev)
{
- struct ep93xx_gpio *epg;
- int i;
-
- epg = devm_kzalloc(&pdev->dev, sizeof(*epg), GFP_KERNEL);
- if (!epg)
+ struct ep93xx_gpio_chip *egc;
+ struct gpio_chip *gc;
+ void __iomem *data;
+ void __iomem *dir;
+ int ret;
+
+ egc = devm_kzalloc(&pdev->dev, sizeof(*egc), GFP_KERNEL);
+ if (!egc)
return -ENOMEM;
- epg->base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(epg->base))
- return PTR_ERR(epg->base);
-
- for (i = 0; i < ARRAY_SIZE(ep93xx_gpio_banks); i++) {
- struct ep93xx_gpio_chip *gc = &epg->gc[i];
- struct ep93xx_gpio_bank *bank = &ep93xx_gpio_banks[i];
-
- if (ep93xx_gpio_add_bank(gc, pdev, epg, bank))
- dev_warn(&pdev->dev, "Unable to add gpio bank %s\n",
- bank->label);
+ data = devm_platform_ioremap_resource_byname(pdev, "data");
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
+ dir = devm_platform_ioremap_resource_byname(pdev, "dir");
+ if (IS_ERR(dir))
+ return PTR_ERR(dir);
+
+ gc = &egc->gc;
+ ret = bgpio_init(gc, &pdev->dev, 1, data, NULL, NULL, dir, NULL, 0);
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "unable to init generic GPIO\n");
+
+ gc->label = dev_name(&pdev->dev);
+ if (platform_irq_count(pdev) > 0) {
+ dev_dbg(&pdev->dev, "setting up irqs for %s\n", dev_name(&pdev->dev));
+ ret = ep93xx_setup_irqs(pdev, egc);
+ if (ret)
+ dev_err_probe(&pdev->dev, ret, "setup irqs failed");
}
- return 0;
+ return devm_gpiochip_add_data(&pdev->dev, gc, egc);
}
+static const struct of_device_id ep93xx_gpio_match[] = {
+ { .compatible = "cirrus,ep9301-gpio" },
+ { /* sentinel */ }
+};
+
static struct platform_driver ep93xx_gpio_driver = {
.driver = {
.name = "gpio-ep93xx",
+ .of_match_table = ep93xx_gpio_match,
},
.probe = ep93xx_gpio_probe,
};
diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index 6b811d6bf625..dcbc50304a5a 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -6,20 +6,13 @@
*
* Based on the pxa27x matrix keypad controller by Rodolfo Giometti.
*
- * NOTE:
- *
- * The 3-key reset is triggered by pressing the 3 keys in
- * Row 0, Columns 2, 4, and 7 at the same time. This action can
- * be disabled by setting the EP93XX_KEYPAD_DISABLE_3_KEY flag.
- *
- * Normal operation for the matrix does not autorepeat the key press.
- * This action can be enabled by setting the EP93XX_KEYPAD_AUTOREPEAT
- * flag.
*/
#include <linux/bits.h>
+#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/interrupt.h>
#include <linux/clk.h>
#include <linux/io.h>
@@ -27,7 +20,6 @@
#include <linux/input/matrix_keypad.h>
#include <linux/slab.h>
#include <linux/soc/cirrus/ep93xx.h>
-#include <linux/platform_data/keypad-ep93xx.h>
#include <linux/pm_wakeirq.h>
/*
@@ -61,12 +53,16 @@
#define KEY_REG_KEY1_MASK GENMASK(5, 0)
#define KEY_REG_KEY1_SHIFT 0
+#define EP93XX_MATRIX_ROWS (8)
+#define EP93XX_MATRIX_COLS (8)
+
#define EP93XX_MATRIX_SIZE (EP93XX_MATRIX_ROWS * EP93XX_MATRIX_COLS)
struct ep93xx_keypad {
- struct ep93xx_keypad_platform_data *pdata;
struct input_dev *input_dev;
struct clk *clk;
+ unsigned int debounce;
+ u16 prescale;
void __iomem *mmio_base;
@@ -133,23 +129,11 @@ static irqreturn_t ep93xx_keypad_irq_handler(int irq, void *dev_id)
static void ep93xx_keypad_config(struct ep93xx_keypad *keypad)
{
- struct ep93xx_keypad_platform_data *pdata = keypad->pdata;
unsigned int val = 0;
- clk_set_rate(keypad->clk, pdata->clk_rate);
-
- if (pdata->flags & EP93XX_KEYPAD_DISABLE_3_KEY)
- val |= KEY_INIT_DIS3KY;
- if (pdata->flags & EP93XX_KEYPAD_DIAG_MODE)
- val |= KEY_INIT_DIAG;
- if (pdata->flags & EP93XX_KEYPAD_BACK_DRIVE)
- val |= KEY_INIT_BACK;
- if (pdata->flags & EP93XX_KEYPAD_TEST_MODE)
- val |= KEY_INIT_T2;
-
- val |= ((pdata->debounce << KEY_INIT_DBNC_SHIFT) & KEY_INIT_DBNC_MASK);
+ val |= (keypad->debounce << KEY_INIT_DBNC_SHIFT) & KEY_INIT_DBNC_MASK;
- val |= ((pdata->prescale << KEY_INIT_PRSCL_SHIFT) & KEY_INIT_PRSCL_MASK);
+ val |= (keypad->prescale << KEY_INIT_PRSCL_SHIFT) & KEY_INIT_PRSCL_MASK;
__raw_writel(val, keypad->mmio_base + KEY_INIT);
}
@@ -220,17 +204,10 @@ static int ep93xx_keypad_resume(struct device *dev)
static DEFINE_SIMPLE_DEV_PM_OPS(ep93xx_keypad_pm_ops,
ep93xx_keypad_suspend, ep93xx_keypad_resume);
-static void ep93xx_keypad_release_gpio_action(void *_pdev)
-{
- struct platform_device *pdev = _pdev;
-
- ep93xx_keypad_release_gpio(pdev);
-}
-
static int ep93xx_keypad_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct ep93xx_keypad *keypad;
- const struct matrix_keymap_data *keymap_data;
struct input_dev *input_dev;
int err;
@@ -238,14 +215,6 @@ static int ep93xx_keypad_probe(struct platform_device *pdev)
if (!keypad)
return -ENOMEM;
- keypad->pdata = dev_get_platdata(&pdev->dev);
- if (!keypad->pdata)
- return -EINVAL;
-
- keymap_data = keypad->pdata->keymap_data;
- if (!keymap_data)
- return -EINVAL;
-
keypad->irq = platform_get_irq(pdev, 0);
if (keypad->irq < 0)
return keypad->irq;
@@ -254,19 +223,13 @@ static int ep93xx_keypad_probe(struct platform_device *pdev)
if (IS_ERR(keypad->mmio_base))
return PTR_ERR(keypad->mmio_base);
- err = ep93xx_keypad_acquire_gpio(pdev);
- if (err)
- return err;
-
- err = devm_add_action_or_reset(&pdev->dev,
- ep93xx_keypad_release_gpio_action, pdev);
- if (err)
- return err;
-
keypad->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(keypad->clk))
return PTR_ERR(keypad->clk);
+ device_property_read_u32(dev, "debounce-delay-ms", &keypad->debounce);
+ device_property_read_u16(dev, "cirrus,prescale", &keypad->prescale);
+
input_dev = devm_input_allocate_device(&pdev->dev);
if (!input_dev)
return -ENOMEM;
@@ -278,13 +241,13 @@ static int ep93xx_keypad_probe(struct platform_device *pdev)
input_dev->open = ep93xx_keypad_open;
input_dev->close = ep93xx_keypad_close;
- err = matrix_keypad_build_keymap(keymap_data, NULL,
+ err = matrix_keypad_build_keymap(NULL, NULL,
EP93XX_MATRIX_ROWS, EP93XX_MATRIX_COLS,
keypad->keycodes, input_dev);
if (err)
return err;
- if (keypad->pdata->flags & EP93XX_KEYPAD_AUTOREPEAT)
+ if (device_property_read_bool(&pdev->dev, "autorepeat"))
__set_bit(EV_REP, input_dev->evbit);
input_set_drvdata(input_dev, keypad);
@@ -313,10 +276,17 @@ static void ep93xx_keypad_remove(struct platform_device *pdev)
dev_pm_clear_wake_irq(&pdev->dev);
}
+static const struct of_device_id ep93xx_keypad_of_ids[] = {
+ { .compatible = "cirrus,ep9307-keypad" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ep93xx_keypad_of_ids);
+
static struct platform_driver ep93xx_keypad_driver = {
.driver = {
.name = "ep93xx-keypad",
.pm = pm_sleep_ptr(&ep93xx_keypad_pm_ops),
+ .of_match_table = ep93xx_keypad_of_ids,
},
.probe = ep93xx_keypad_probe,
.remove_new = ep93xx_keypad_remove,
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index 614257308516..d0aaccf72d78 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -448,6 +448,12 @@ config MTD_NAND_RENESAS
Enables support for the NAND controller found on Renesas R-Car
Gen3 and RZ/N1 SoC families.
+config MTD_NAND_TS72XX
+ tristate "ts72xx NAND controller"
+ depends on ARCH_EP93XX && HAS_IOMEM
+ help
+ Enables support for NAND controller on ts72xx SBCs.
+
comment "Misc"
config MTD_SM_COMMON
diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile
index 25120a4afada..d0b0e6b83568 100644
--- a/drivers/mtd/nand/raw/Makefile
+++ b/drivers/mtd/nand/raw/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_MTD_NAND_MLC_LPC32XX) += lpc32xx_mlc.o
obj-$(CONFIG_MTD_NAND_SH_FLCTL) += sh_flctl.o
obj-$(CONFIG_MTD_NAND_MXC) += mxc_nand.o
obj-$(CONFIG_MTD_NAND_SOCRATES) += socrates_nand.o
+obj-$(CONFIG_MTD_NAND_TS72XX) += technologic-nand-controller.o
obj-$(CONFIG_MTD_NAND_TXX9NDFMC) += txx9ndfmc.o
obj-$(CONFIG_MTD_NAND_MPC5121_NFC) += mpc5121_nfc.o
obj-$(CONFIG_MTD_NAND_VF610_NFC) += vf610_nfc.o
diff --git a/drivers/mtd/nand/raw/technologic-nand-controller.c b/drivers/mtd/nand/raw/technologic-nand-controller.c
new file mode 100644
index 000000000000..0e45a6fd91dd
--- /dev/null
+++ b/drivers/mtd/nand/raw/technologic-nand-controller.c
@@ -0,0 +1,222 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Technologic Systems TS72xx NAND controller driver
+ *
+ * Copyright (C) 2023 Nikita Shubin <nikita.shubin@maquefel.me>
+ *
+ * Derived from: plat_nand.c
+ * Author: Vitaly Wool <vitalywool@gmail.com>
+ */
+
+#include <linux/bits.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/platnand.h>
+
+#define TS72XX_NAND_CONTROL_ADDR_LINE BIT(22) /* 0xN0400000 */
+#define TS72XX_NAND_BUSY_ADDR_LINE BIT(23) /* 0xN0800000 */
+
+#define TS72XX_NAND_ALE BIT(0)
+#define TS72XX_NAND_CLE BIT(1)
+#define TS72XX_NAND_NCE BIT(2)
+
+#define TS72XX_NAND_CTRL_CLE (TS72XX_NAND_NCE | TS72XX_NAND_CLE)
+#define TS72XX_NAND_CTRL_ALE (TS72XX_NAND_NCE | TS72XX_NAND_ALE)
+
+struct ts72xx_nand_data {
+ struct nand_controller controller;
+ struct nand_chip chip;
+ void __iomem *base;
+ void __iomem *ctrl;
+ void __iomem *busy;
+};
+
+static inline struct ts72xx_nand_data *chip_to_ts72xx(struct nand_chip *chip)
+{
+ return container_of(chip, struct ts72xx_nand_data, chip);
+}
+
+static int ts72xx_nand_attach_chip(struct nand_chip *chip)
+{
+ switch (chip->ecc.engine_type) {
+ case NAND_ECC_ENGINE_TYPE_ON_HOST:
+ return -EINVAL;
+ case NAND_ECC_ENGINE_TYPE_SOFT:
+ if (chip->ecc.algo == NAND_ECC_ALGO_UNKNOWN)
+ chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
+ chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
+ fallthrough;
+ default:
+ return 0;
+ }
+}
+
+static void ts72xx_nand_ctrl(struct nand_chip *chip, u8 value)
+{
+ struct ts72xx_nand_data *data = chip_to_ts72xx(chip);
+ unsigned char bits = ioread8(data->ctrl) & ~GENMASK(2, 0);
+
+ iowrite8(bits | value, data->ctrl);
+}
+
+static int ts72xx_nand_exec_instr(struct nand_chip *chip,
+ const struct nand_op_instr *instr)
+{
+ struct ts72xx_nand_data *data = chip_to_ts72xx(chip);
+ unsigned int timeout_us;
+ u32 status;
+ int ret;
+
+ switch (instr->type) {
+ case NAND_OP_CMD_INSTR:
+ ts72xx_nand_ctrl(chip, TS72XX_NAND_CTRL_CLE);
+ iowrite8(instr->ctx.cmd.opcode, data->base);
+ ts72xx_nand_ctrl(chip, TS72XX_NAND_NCE);
+ break;
+
+ case NAND_OP_ADDR_INSTR:
+ ts72xx_nand_ctrl(chip, TS72XX_NAND_CTRL_ALE);
+ iowrite8_rep(data->base, instr->ctx.addr.addrs, instr->ctx.addr.naddrs);
+ ts72xx_nand_ctrl(chip, TS72XX_NAND_NCE);
+ break;
+
+ case NAND_OP_DATA_IN_INSTR:
+ ioread8_rep(data->base, instr->ctx.data.buf.in, instr->ctx.data.len);
+ break;
+
+ case NAND_OP_DATA_OUT_INSTR:
+ iowrite8_rep(data->base, instr->ctx.data.buf.in, instr->ctx.data.len);
+ break;
+
+ case NAND_OP_WAITRDY_INSTR:
+ timeout_us = instr->ctx.waitrdy.timeout_ms * 1000;
+ ret = readb_poll_timeout(data->busy, status, status & BIT(5), 0, timeout_us);
+ if (ret)
+ return ret;
+
+ break;
+ }
+
+ if (instr->delay_ns)
+ ndelay(instr->delay_ns);
+
+ return 0;
+}
+
+static int ts72xx_nand_exec_op(struct nand_chip *chip,
+ const struct nand_operation *op, bool check_only)
+{
+ unsigned int i;
+ int ret;
+
+ if (check_only)
+ return 0;
+
+ for (i = 0; i < op->ninstrs; i++) {
+ ret = ts72xx_nand_exec_instr(chip, &op->instrs[i]);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct nand_controller_ops ts72xx_nand_ops = {
+ .attach_chip = ts72xx_nand_attach_chip,
+ .exec_op = ts72xx_nand_exec_op,
+};
+
+static int ts72xx_nand_probe(struct platform_device *pdev)
+{
+ struct ts72xx_nand_data *data;
+ struct fwnode_handle *child;
+ struct mtd_info *mtd;
+ int err;
+
+ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ nand_controller_init(&data->controller);
+ data->controller.ops = &ts72xx_nand_ops;
+ data->chip.controller = &data->controller;
+
+ data->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(data->base))
+ return PTR_ERR(data->base);
+ data->ctrl = data->base + TS72XX_NAND_CONTROL_ADDR_LINE;
+ data->busy = data->base + TS72XX_NAND_BUSY_ADDR_LINE;
+
+ child = fwnode_get_next_child_node(dev_fwnode(&pdev->dev), NULL);
+ if (!child)
+ return dev_err_probe(&pdev->dev, -ENXIO,
+ "ts72xx controller node should have exactly one child\n");
+
+ nand_set_flash_node(&data->chip, to_of_node(child));
+ mtd = nand_to_mtd(&data->chip);
+ mtd->dev.parent = &pdev->dev;
+ platform_set_drvdata(pdev, data);
+
+ /*
+ * This driver assumes that the default ECC engine should be TYPE_SOFT.
+ * Set ->engine_type before registering the NAND devices in order to
+ * provide a driver specific default value.
+ */
+ data->chip.ecc.engine_type = NAND_ECC_ENGINE_TYPE_SOFT;
+
+ /* Scan to find existence of the device */
+ err = nand_scan(&data->chip, 1);
+ if (err)
+ goto err_handle_put;
+
+ err = mtd_device_parse_register(mtd, NULL, NULL, NULL, 0);
+ if (err)
+ goto err_clean_nand;
+
+ return 0;
+
+err_clean_nand:
+ nand_cleanup(&data->chip);
+err_handle_put:
+ fwnode_handle_put(child);
+ return err;
+}
+
+static void ts72xx_nand_remove(struct platform_device *pdev)
+{
+ struct ts72xx_nand_data *data = platform_get_drvdata(pdev);
+ struct fwnode_handle *fwnode = dev_fwnode(&pdev->dev);
+ struct nand_chip *chip = &data->chip;
+ int ret;
+
+ ret = mtd_device_unregister(nand_to_mtd(chip));
+ WARN_ON(ret);
+ nand_cleanup(chip);
+ fwnode_handle_put(fwnode);
+}
+
+static const struct of_device_id ts72xx_id_table[] = {
+ { .compatible = "technologic,ts7200-nand" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ts72xx_id_table);
+
+static struct platform_driver ts72xx_nand_driver = {
+ .driver = {
+ .name = "ts72xx-nand",
+ .of_match_table = ts72xx_id_table,
+ },
+ .probe = ts72xx_nand_probe,
+ .remove_new = ts72xx_nand_remove,
+};
+module_platform_driver(ts72xx_nand_driver);
+
+MODULE_AUTHOR("Nikita Shubin <nikita.shubin@maquefel.me>");
+MODULE_DESCRIPTION("Technologic Systems TS72xx NAND controller driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/cirrus/ep93xx_eth.c b/drivers/net/ethernet/cirrus/ep93xx_eth.c
index 1f495cfd7959..c2007cd86416 100644
--- a/drivers/net/ethernet/cirrus/ep93xx_eth.c
+++ b/drivers/net/ethernet/cirrus/ep93xx_eth.c
@@ -16,13 +16,12 @@
#include <linux/ethtool.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/slab.h>
-#include <linux/platform_data/eth-ep93xx.h>
-
#define DRV_MODULE_NAME "ep93xx-eth"
#define RX_QUEUE_ENTRIES 64
@@ -738,25 +737,6 @@ static const struct net_device_ops ep93xx_netdev_ops = {
.ndo_set_mac_address = eth_mac_addr,
};
-static struct net_device *ep93xx_dev_alloc(struct ep93xx_eth_data *data)
-{
- struct net_device *dev;
-
- dev = alloc_etherdev(sizeof(struct ep93xx_priv));
- if (dev == NULL)
- return NULL;
-
- eth_hw_addr_set(dev, data->dev_addr);
-
- dev->ethtool_ops = &ep93xx_ethtool_ops;
- dev->netdev_ops = &ep93xx_netdev_ops;
-
- dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM;
-
- return dev;
-}
-
-
static void ep93xx_eth_remove(struct platform_device *pdev)
{
struct net_device *dev;
@@ -786,27 +766,49 @@ static void ep93xx_eth_remove(struct platform_device *pdev)
static int ep93xx_eth_probe(struct platform_device *pdev)
{
- struct ep93xx_eth_data *data;
struct net_device *dev;
struct ep93xx_priv *ep;
struct resource *mem;
+ void __iomem *base_addr;
+ struct device_node *np;
+ u8 addr[ETH_ALEN];
+ u32 phy_id;
int irq;
int err;
if (pdev == NULL)
return -ENODEV;
- data = dev_get_platdata(&pdev->dev);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
irq = platform_get_irq(pdev, 0);
if (!mem || irq < 0)
return -ENXIO;
- dev = ep93xx_dev_alloc(data);
+ base_addr = ioremap(mem->start, resource_size(mem));
+ if (!base_addr)
+ return dev_err_probe(&pdev->dev, -EIO, "Failed to ioremap ethernet registers\n");
+
+ np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
+ if (!np)
+ return dev_err_probe(&pdev->dev, -ENODEV, "Please provide \"phy-handle\"\n");
+
+ err = of_property_read_u32(np, "reg", &phy_id);
+ of_node_put(np);
+ if (err)
+ return dev_err_probe(&pdev->dev, -ENOENT, "Failed to locate \"phy_id\"\n");
+
+ dev = alloc_etherdev(sizeof(struct ep93xx_priv));
if (dev == NULL) {
err = -ENOMEM;
goto err_out;
}
+
+ memcpy_fromio(addr, base_addr + 0x50, ETH_ALEN);
+ eth_hw_addr_set(dev, addr);
+ dev->ethtool_ops = &ep93xx_ethtool_ops;
+ dev->netdev_ops = &ep93xx_netdev_ops;
+ dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM;
+
ep = netdev_priv(dev);
ep->dev = dev;
SET_NETDEV_DEV(dev, &pdev->dev);
@@ -822,15 +824,10 @@ static int ep93xx_eth_probe(struct platform_device *pdev)
goto err_out;
}
- ep->base_addr = ioremap(mem->start, resource_size(mem));
- if (ep->base_addr == NULL) {
- dev_err(&pdev->dev, "Failed to ioremap ethernet registers\n");
- err = -EIO;
- goto err_out;
- }
+ ep->base_addr = base_addr;
ep->irq = irq;
- ep->mii.phy_id = data->phy_id;
+ ep->mii.phy_id = phy_id;
ep->mii.phy_id_mask = 0x1f;
ep->mii.reg_num_mask = 0x1f;
ep->mii.dev = dev;
@@ -857,12 +854,18 @@ err_out:
return err;
}
+static const struct of_device_id ep93xx_eth_of_ids[] = {
+ { .compatible = "cirrus,ep9301-eth" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ep93xx_eth_of_ids);
static struct platform_driver ep93xx_eth_driver = {
.probe = ep93xx_eth_probe,
.remove_new = ep93xx_eth_remove,
.driver = {
.name = "ep93xx-eth",
+ .of_match_table = ep93xx_eth_of_ids,
},
};
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 18306569ef50..354536de564b 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -194,6 +194,13 @@ config PINCTRL_DIGICOLOR
select PINMUX
select GENERIC_PINCONF
+config PINCTRL_EP93XX
+ bool
+ depends on ARCH_EP93XX || COMPILE_TEST
+ select PINMUX
+ select GENERIC_PINCONF
+ select MFD_SYSCON
+
config PINCTRL_EQUILIBRIUM
tristate "Generic pinctrl and GPIO driver for Intel Lightning Mountain SoC"
depends on OF && HAS_IOMEM
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index 3c2355150961..97823f52b972 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_PINCTRL_DA850_PUPD) += pinctrl-da850-pupd.o
obj-$(CONFIG_PINCTRL_DA9062) += pinctrl-da9062.o
obj-$(CONFIG_PINCTRL_DIGICOLOR) += pinctrl-digicolor.o
obj-$(CONFIG_PINCTRL_EQUILIBRIUM) += pinctrl-equilibrium.o
+obj-$(CONFIG_PINCTRL_EP93XX) += pinctrl-ep93xx.o
obj-$(CONFIG_PINCTRL_EYEQ5) += pinctrl-eyeq5.o
obj-$(CONFIG_PINCTRL_GEMINI) += pinctrl-gemini.o
obj-$(CONFIG_PINCTRL_INGENIC) += pinctrl-ingenic.o
diff --git a/drivers/pinctrl/pinctrl-ep93xx.c b/drivers/pinctrl/pinctrl-ep93xx.c
new file mode 100644
index 000000000000..abafbbb8fd6a
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-ep93xx.c
@@ -0,0 +1,1434 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Driver for the EP93xx pin controller
+ * based on linux/drivers/pinctrl/pinmux-gemini.c
+ *
+ * Copyright (C) 2022 Nikita Shubin <nikita.shubin@maquefel.me>
+ *
+ * This is a group-only pin controller.
+ */
+#include <linux/array_size.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/mfd/syscon.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+
+#include <linux/soc/cirrus/ep93xx.h>
+
+#include <linux/pinctrl/machine.h>
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinmux.h>
+
+#include "pinctrl-utils.h"
+
+#define DRIVER_NAME "pinctrl-ep93xx"
+
+enum ep93xx_pinctrl_model {
+ EP93XX_9301_PINCTRL,
+ EP93XX_9307_PINCTRL,
+ EP93XX_9312_PINCTRL,
+};
+
+struct ep93xx_pmx {
+ struct device *dev;
+ struct pinctrl_dev *pctl;
+ struct ep93xx_regmap_adev *aux_dev;
+ struct regmap *map;
+ enum ep93xx_pinctrl_model model;
+};
+
+static void ep93xx_pinctrl_update_bits(struct ep93xx_pmx *pmx, unsigned int reg,
+ unsigned int mask, unsigned int val)
+{
+ struct ep93xx_regmap_adev *aux = pmx->aux_dev;
+
+ aux->update_bits(aux->map, aux->lock, reg, mask, val);
+}
+
+struct ep93xx_pin_group {
+ struct pingroup grp;
+ u32 mask;
+ u32 value;
+};
+
+#define PMX_GROUP(_name, _pins, _mask, _value) \
+ { \
+ .grp = PINCTRL_PINGROUP(_name, _pins, ARRAY_SIZE(_pins)), \
+ .mask = _mask, \
+ .value = _value, \
+ }
+
+#define EP93XX_SYSCON_DEVCFG 0x80
+
+/*
+ * There are several system configuration options selectable by the DeviceCfg and SysCfg
+ * registers. These registers provide the selection of several pin multiplexing options and also
+ * provide software access to the system reset configuration options. Please refer to the
+ * descriptions of the registers, “DeviceCfg” on page 5-25 and “SysCfg” on page 5-34, for a
+ * detailed explanation.
+ */
+#define EP93XX_SYSCON_DEVCFG_D1ONG BIT(30)
+#define EP93XX_SYSCON_DEVCFG_D0ONG BIT(29)
+#define EP93XX_SYSCON_DEVCFG_IONU2 BIT(28)
+#define EP93XX_SYSCON_DEVCFG_GONK BIT(27)
+#define EP93XX_SYSCON_DEVCFG_TONG BIT(26)
+#define EP93XX_SYSCON_DEVCFG_MONG BIT(25)
+#define EP93XX_SYSCON_DEVCFG_A2ONG BIT(22)
+#define EP93XX_SYSCON_DEVCFG_A1ONG BIT(21)
+#define EP93XX_SYSCON_DEVCFG_HONIDE BIT(11)
+#define EP93XX_SYSCON_DEVCFG_GONIDE BIT(10)
+#define EP93XX_SYSCON_DEVCFG_PONG BIT(9)
+#define EP93XX_SYSCON_DEVCFG_EONIDE BIT(8)
+#define EP93XX_SYSCON_DEVCFG_I2SONSSP BIT(7)
+#define EP93XX_SYSCON_DEVCFG_I2SONAC97 BIT(6)
+#define EP93XX_SYSCON_DEVCFG_RASONP3 BIT(4)
+
+#define PADS_MASK (GENMASK(30, 25) | BIT(22) | BIT(21) | GENMASK(11, 6) | BIT(4))
+#define PADS_MAXBIT 30
+
+/* Ordered by bit index */
+static const char * const ep93xx_padgroups[] = {
+ NULL, NULL, NULL, NULL,
+ "RasOnP3",
+ NULL,
+ "I2SonAC97",
+ "I2SonSSP",
+ "EonIDE",
+ "PonG",
+ "GonIDE",
+ "HonIDE",
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ "A1onG",
+ "A2onG",
+ NULL, NULL,
+ "MonG",
+ "TonG",
+ "GonK",
+ "IonU2",
+ "D0onG",
+ "D1onG",
+};
+
+/* ep9301, ep9302 */
+static const struct pinctrl_pin_desc ep9301_pins[] = {
+ PINCTRL_PIN(1, "CSn[7]"),
+ PINCTRL_PIN(2, "CSn[6]"),
+ PINCTRL_PIN(3, "CSn[3]"),
+ PINCTRL_PIN(4, "CSn[2]"),
+ PINCTRL_PIN(5, "CSn[1]"),
+ PINCTRL_PIN(6, "AD[25]"),
+ PINCTRL_PIN(7, "vdd_ring"),
+ PINCTRL_PIN(8, "gnd_ring"),
+ PINCTRL_PIN(9, "AD[24]"),
+ PINCTRL_PIN(10, "SDCLK"),
+ PINCTRL_PIN(11, "AD[23]"),
+ PINCTRL_PIN(12, "vdd_core"),
+ PINCTRL_PIN(13, "gnd_core"),
+ PINCTRL_PIN(14, "SDWEn"),
+ PINCTRL_PIN(15, "SDCSn[3]"),
+ PINCTRL_PIN(16, "SDCSn[2]"),
+ PINCTRL_PIN(17, "SDCSn[1]"),
+ PINCTRL_PIN(18, "SDCSn[0]"),
+ PINCTRL_PIN(19, "vdd_ring"),
+ PINCTRL_PIN(20, "gnd_ring"),
+ PINCTRL_PIN(21, "RASn"),
+ PINCTRL_PIN(22, "CASn"),
+ PINCTRL_PIN(23, "DQMn[1]"),
+ PINCTRL_PIN(24, "DQMn[0]"),
+ PINCTRL_PIN(25, "AD[22]"),
+ PINCTRL_PIN(26, "AD[21]"),
+ PINCTRL_PIN(27, "vdd_ring"),
+ PINCTRL_PIN(28, "gnd_ring"),
+ PINCTRL_PIN(29, "DA[15]"),
+ PINCTRL_PIN(30, "AD[7]"),
+ PINCTRL_PIN(31, "DA[14]"),
+ PINCTRL_PIN(32, "AD[6]"),
+ PINCTRL_PIN(33, "DA[13]"),
+ PINCTRL_PIN(34, "vdd_core"),
+ PINCTRL_PIN(35, "gnd_core"),
+ PINCTRL_PIN(36, "AD[5]"),
+ PINCTRL_PIN(37, "DA[12]"),
+ PINCTRL_PIN(38, "AD[4]"),
+ PINCTRL_PIN(39, "DA[11]"),
+ PINCTRL_PIN(40, "AD[3]"),
+ PINCTRL_PIN(41, "vdd_ring"),
+ PINCTRL_PIN(42, "gnd_ring"),
+ PINCTRL_PIN(43, "DA[10]"),
+ PINCTRL_PIN(44, "AD[2]"),
+ PINCTRL_PIN(45, "DA[9]"),
+ PINCTRL_PIN(46, "AD[1]"),
+ PINCTRL_PIN(47, "DA[8]"),
+ PINCTRL_PIN(48, "AD[0]"),
+ PINCTRL_PIN(49, "vdd_ring"),
+ PINCTRL_PIN(50, "gnd_ring"),
+ PINCTRL_PIN(51, "NC"),
+ PINCTRL_PIN(52, "NC"),
+ PINCTRL_PIN(53, "vdd_ring"),
+ PINCTRL_PIN(54, "gnd_ring"),
+ PINCTRL_PIN(55, "AD[15]"),
+ PINCTRL_PIN(56, "DA[7]"),
+ PINCTRL_PIN(57, "vdd_core"),
+ PINCTRL_PIN(58, "gnd_core"),
+ PINCTRL_PIN(59, "AD[14]"),
+ PINCTRL_PIN(60, "DA[6]"),
+ PINCTRL_PIN(61, "AD[13]"),
+ PINCTRL_PIN(62, "DA[5]"),
+ PINCTRL_PIN(63, "AD[12]"),
+ PINCTRL_PIN(64, "DA[4]"),
+ PINCTRL_PIN(65, "AD[11]"),
+ PINCTRL_PIN(66, "vdd_ring"),
+ PINCTRL_PIN(67, "gnd_ring"),
+ PINCTRL_PIN(68, "DA[3]"),
+ PINCTRL_PIN(69, "AD[10]"),
+ PINCTRL_PIN(70, "DA[2]"),
+ PINCTRL_PIN(71, "AD[9]"),
+ PINCTRL_PIN(72, "DA[1]"),
+ PINCTRL_PIN(73, "AD[8]"),
+ PINCTRL_PIN(74, "DA[0]"),
+ PINCTRL_PIN(75, "DSRn"),
+ PINCTRL_PIN(76, "DTRn"),
+ PINCTRL_PIN(77, "TCK"),
+ PINCTRL_PIN(78, "TDI"),
+ PINCTRL_PIN(79, "TDO"),
+ PINCTRL_PIN(80, "TMS"),
+ PINCTRL_PIN(81, "vdd_ring"),
+ PINCTRL_PIN(82, "gnd_ring"),
+ PINCTRL_PIN(83, "BOOT[1]"),
+ PINCTRL_PIN(84, "BOOT[0]"),
+ PINCTRL_PIN(85, "gnd_ring"),
+ PINCTRL_PIN(86, "NC"),
+ PINCTRL_PIN(87, "EECLK"),
+ PINCTRL_PIN(88, "EEDAT"),
+ PINCTRL_PIN(89, "ASYNC"),
+ PINCTRL_PIN(90, "vdd_core"),
+ PINCTRL_PIN(91, "gnd_core"),
+ PINCTRL_PIN(92, "ASDO"),
+ PINCTRL_PIN(93, "SCLK1"),
+ PINCTRL_PIN(94, "SFRM1"),
+ PINCTRL_PIN(95, "SSPRX1"),
+ PINCTRL_PIN(96, "SSPTX1"),
+ PINCTRL_PIN(97, "GRLED"),
+ PINCTRL_PIN(98, "RDLED"),
+ PINCTRL_PIN(99, "vdd_ring"),
+ PINCTRL_PIN(100, "gnd_ring"),
+ PINCTRL_PIN(101, "INT[3]"),
+ PINCTRL_PIN(102, "INT[1]"),
+ PINCTRL_PIN(103, "INT[0]"),
+ PINCTRL_PIN(104, "RTSn"),
+ PINCTRL_PIN(105, "USBm[0]"),
+ PINCTRL_PIN(106, "USBp[0]"),
+ PINCTRL_PIN(107, "ABITCLK"),
+ PINCTRL_PIN(108, "CTSn"),
+ PINCTRL_PIN(109, "RXD[0]"),
+ PINCTRL_PIN(110, "RXD[1]"),
+ PINCTRL_PIN(111, "vdd_ring"),
+ PINCTRL_PIN(112, "gnd_ring"),
+ PINCTRL_PIN(113, "TXD[0]"),
+ PINCTRL_PIN(114, "TXD[1]"),
+ PINCTRL_PIN(115, "CGPIO[0]"),
+ PINCTRL_PIN(116, "gnd_core"),
+ PINCTRL_PIN(117, "PLL_GND"),
+ PINCTRL_PIN(118, "XTALI"),
+ PINCTRL_PIN(119, "XTALO"),
+ PINCTRL_PIN(120, "PLL_VDD"),
+ PINCTRL_PIN(121, "vdd_core"),
+ PINCTRL_PIN(122, "gnd_ring"),
+ PINCTRL_PIN(123, "vdd_ring"),
+ PINCTRL_PIN(124, "RSTOn"),
+ PINCTRL_PIN(125, "PRSTn"),
+ PINCTRL_PIN(126, "CSn[0]"),
+ PINCTRL_PIN(127, "gnd_core"),
+ PINCTRL_PIN(128, "vdd_core"),
+ PINCTRL_PIN(129, "gnd_ring"),
+ PINCTRL_PIN(130, "vdd_ring"),
+ PINCTRL_PIN(131, "ADC[4]"),
+ PINCTRL_PIN(132, "ADC[3]"),
+ PINCTRL_PIN(133, "ADC[2]"),
+ PINCTRL_PIN(134, "ADC[1]"),
+ PINCTRL_PIN(135, "ADC[0]"),
+ PINCTRL_PIN(136, "ADC_VDD"),
+ PINCTRL_PIN(137, "RTCXTALI"),
+ PINCTRL_PIN(138, "RTCXTALO"),
+ PINCTRL_PIN(139, "ADC_GND"),
+ PINCTRL_PIN(140, "EGPIO[11]"),
+ PINCTRL_PIN(141, "EGPIO[10]"),
+ PINCTRL_PIN(142, "EGPIO[9]"),
+ PINCTRL_PIN(143, "EGPIO[8]"),
+ PINCTRL_PIN(144, "EGPIO[7]"),
+ PINCTRL_PIN(145, "EGPIO[6]"),
+ PINCTRL_PIN(146, "EGPIO[5]"),
+ PINCTRL_PIN(147, "EGPIO[4]"),
+ PINCTRL_PIN(148, "EGPIO[3]"),
+ PINCTRL_PIN(149, "gnd_ring"),
+ PINCTRL_PIN(150, "vdd_ring"),
+ PINCTRL_PIN(151, "EGPIO[2]"),
+ PINCTRL_PIN(152, "EGPIO[1]"),
+ PINCTRL_PIN(153, "EGPIO[0]"),
+ PINCTRL_PIN(154, "ARSTn"),
+ PINCTRL_PIN(155, "TRSTn"),
+ PINCTRL_PIN(156, "ASDI"),
+ PINCTRL_PIN(157, "USBm[2]"),
+ PINCTRL_PIN(158, "USBp[2]"),
+ PINCTRL_PIN(159, "WAITn"),
+ PINCTRL_PIN(160, "EGPIO[15]"),
+ PINCTRL_PIN(161, "gnd_ring"),
+ PINCTRL_PIN(162, "vdd_ring"),
+ PINCTRL_PIN(163, "EGPIO[14]"),
+ PINCTRL_PIN(164, "EGPIO[13]"),
+ PINCTRL_PIN(165, "EGPIO[12]"),
+ PINCTRL_PIN(166, "gnd_core"),
+ PINCTRL_PIN(167, "vdd_core"),
+ PINCTRL_PIN(168, "FGPIO[3]"),
+ PINCTRL_PIN(169, "FGPIO[2]"),
+ PINCTRL_PIN(170, "FGPIO[1]"),
+ PINCTRL_PIN(171, "gnd_ring"),
+ PINCTRL_PIN(172, "vdd_ring"),
+ PINCTRL_PIN(173, "CLD"),
+ PINCTRL_PIN(174, "CRS"),
+ PINCTRL_PIN(175, "TXERR"),
+ PINCTRL_PIN(176, "TXEN"),
+ PINCTRL_PIN(177, "MIITXD[0]"),
+ PINCTRL_PIN(178, "MIITXD[1]"),
+ PINCTRL_PIN(179, "MIITXD[2]"),
+ PINCTRL_PIN(180, "MIITXD[3]"),
+ PINCTRL_PIN(181, "TXCLK"),
+ PINCTRL_PIN(182, "RXERR"),
+ PINCTRL_PIN(183, "RXDVAL"),
+ PINCTRL_PIN(184, "MIIRXD[0]"),
+ PINCTRL_PIN(185, "MIIRXD[1]"),
+ PINCTRL_PIN(186, "MIIRXD[2]"),
+ PINCTRL_PIN(187, "gnd_ring"),
+ PINCTRL_PIN(188, "vdd_ring"),
+ PINCTRL_PIN(189, "MIIRXD[3]"),
+ PINCTRL_PIN(190, "RXCLK"),
+ PINCTRL_PIN(191, "MDIO"),
+ PINCTRL_PIN(192, "MDC"),
+ PINCTRL_PIN(193, "RDn"),
+ PINCTRL_PIN(194, "WRn"),
+ PINCTRL_PIN(195, "AD[16]"),
+ PINCTRL_PIN(196, "AD[17]"),
+ PINCTRL_PIN(197, "gnd_core"),
+ PINCTRL_PIN(198, "vdd_core"),
+ PINCTRL_PIN(199, "HGPIO[2]"),
+ PINCTRL_PIN(200, "HGPIO[3]"),
+ PINCTRL_PIN(201, "HGPIO[4]"),
+ PINCTRL_PIN(202, "HGPIO[5]"),
+ PINCTRL_PIN(203, "gnd_ring"),
+ PINCTRL_PIN(204, "vdd_ring"),
+ PINCTRL_PIN(205, "AD[18]"),
+ PINCTRL_PIN(206, "AD[19]"),
+ PINCTRL_PIN(207, "AD[20]"),
+ PINCTRL_PIN(208, "SDCLKEN"),
+};
+
+static const unsigned int ssp_ep9301_pins[] = {
+ 93, 94, 95, 96,
+};
+
+static const unsigned int ac97_ep9301_pins[] = {
+ 89, 92, 107, 154, 156,
+};
+
+/*
+ * Note: The EP9307 processor has one PWM with one output, PWMOUT.
+ * Note: The EP9301, EP9302, EP9312, and EP9315 processors each have two PWMs with
+ * two outputs, PWMOUT and PWMO1. PWMO1 is an alternate function for EGPIO14.
+ */
+/* The GPIO14E (14) pin overlap with pwm1 */
+static const unsigned int pwm_9301_pins[] = { 163 };
+
+static const unsigned int gpio1a_9301_pins[] = { 163 };
+
+/* ep9301/9302 have only 0 pin of GPIO C Port exposed */
+static const unsigned int gpio2a_9301_pins[] = { 115 };
+
+/* ep9301/9302 have only 4,5 pin of GPIO E Port exposed */
+static const unsigned int gpio4a_9301_pins[] = { 97, 98 };
+
+/* ep9301/9302 have only 4,5 pin of GPIO G Port exposed */
+static const unsigned int gpio6a_9301_pins[] = { 87, 88 };
+
+static const unsigned int gpio7a_9301_pins[] = { 199, 200, 201, 202 };
+
+/* Groups for the ep9301/ep9302 SoC/package */
+static const struct ep93xx_pin_group ep9301_pin_groups[] = {
+ PMX_GROUP("ssp", ssp_ep9301_pins, EP93XX_SYSCON_DEVCFG_I2SONSSP, 0),
+ PMX_GROUP("i2s_on_ssp", ssp_ep9301_pins, EP93XX_SYSCON_DEVCFG_I2SONSSP,
+ EP93XX_SYSCON_DEVCFG_I2SONSSP),
+ PMX_GROUP("ac97", ac97_ep9301_pins, EP93XX_SYSCON_DEVCFG_I2SONAC97, 0),
+ PMX_GROUP("i2s_on_ac97", ac97_ep9301_pins, EP93XX_SYSCON_DEVCFG_I2SONAC97,
+ EP93XX_SYSCON_DEVCFG_I2SONAC97),
+ PMX_GROUP("pwm1", pwm_9301_pins, EP93XX_SYSCON_DEVCFG_PONG, EP93XX_SYSCON_DEVCFG_PONG),
+ PMX_GROUP("gpio1agrp", gpio1a_9301_pins, EP93XX_SYSCON_DEVCFG_PONG, 0),
+ PMX_GROUP("gpio2agrp", gpio2a_9301_pins, EP93XX_SYSCON_DEVCFG_GONK,
+ EP93XX_SYSCON_DEVCFG_GONK),
+ PMX_GROUP("gpio4agrp", gpio4a_9301_pins, EP93XX_SYSCON_DEVCFG_EONIDE,
+ EP93XX_SYSCON_DEVCFG_EONIDE),
+ PMX_GROUP("gpio6agrp", gpio6a_9301_pins, EP93XX_SYSCON_DEVCFG_GONIDE,
+ EP93XX_SYSCON_DEVCFG_GONIDE),
+ PMX_GROUP("gpio7agrp", gpio7a_9301_pins, EP93XX_SYSCON_DEVCFG_HONIDE,
+ EP93XX_SYSCON_DEVCFG_HONIDE),
+};
+
+static const struct pinctrl_pin_desc ep9307_pins[] = {
+ /* Row A */
+ PINCTRL_PIN(0, "CSn[1]"), /* A1 */
+ PINCTRL_PIN(1, "CSn[7]"), /* A2 */
+ PINCTRL_PIN(2, "SDCLKEN"), /* A3 */
+ PINCTRL_PIN(3, "DA[31]"), /* A4 */
+ PINCTRL_PIN(4, "DA[29]"), /* A5 */
+ PINCTRL_PIN(5, "DA[27]"), /* A6 */
+ PINCTRL_PIN(6, "HGPIO[2]"), /* A7 */
+ PINCTRL_PIN(7, "RDn"), /* A8 */
+ PINCTRL_PIN(8, "MIIRXD[3]"), /* A9 */
+ PINCTRL_PIN(9, "RXDVAL"), /* A10 */
+ PINCTRL_PIN(10, "MIITXD[1]"), /* A11 */
+ PINCTRL_PIN(11, "CRS"), /* A12 */
+ PINCTRL_PIN(12, "FGPIO[7]"), /* A13 */
+ PINCTRL_PIN(13, "FGPIO[0]"), /* A14 */
+ PINCTRL_PIN(14, "WAITn"), /* A15 */
+ PINCTRL_PIN(15, "USBm[2]"), /* A16 */
+ PINCTRL_PIN(16, "ASDI"), /* A17 */
+ /* Row B */
+ PINCTRL_PIN(17, "AD[25]"), /* B1 */
+ PINCTRL_PIN(18, "CSn[2]"), /* B2 */
+ PINCTRL_PIN(19, "CSn[6]"), /* B3 */
+ PINCTRL_PIN(20, "AD[20]"), /* B4 */
+ PINCTRL_PIN(21, "DA[30]"), /* B5 */
+ PINCTRL_PIN(22, "AD[18]"), /* B6 */
+ PINCTRL_PIN(23, "HGPIO[3]"), /* B7 */
+ PINCTRL_PIN(24, "AD[17]"), /* B8 */
+ PINCTRL_PIN(25, "RXCLK"), /* B9 */
+ PINCTRL_PIN(26, "MIIRXD[1]"), /* B10 */
+ PINCTRL_PIN(27, "MIITXD[2]"), /* B11 */
+ PINCTRL_PIN(28, "TXEN"), /* B12 */
+ PINCTRL_PIN(29, "FGPIO[5]"), /* B13 */
+ PINCTRL_PIN(30, "EGPIO[15]"), /* B14 */
+ PINCTRL_PIN(31, "USBp[2]"), /* B15 */
+ PINCTRL_PIN(32, "ARSTn"), /* B16 */
+ PINCTRL_PIN(33, "ADC_VDD"), /* B17 */
+ /* Row C */
+ PINCTRL_PIN(34, "AD[23]"), /* C1 */
+ PINCTRL_PIN(35, "DA[26]"), /* C2 */
+ PINCTRL_PIN(36, "CSn[3]"), /* C3 */
+ PINCTRL_PIN(37, "DA[25]"), /* C4 */
+ PINCTRL_PIN(38, "AD[24]"), /* C5 */
+ PINCTRL_PIN(39, "AD[19]"), /* C6 */
+ PINCTRL_PIN(40, "HGPIO[5]"), /* C7 */
+ PINCTRL_PIN(41, "WRn"), /* C8 */
+ PINCTRL_PIN(42, "MDIO"), /* C9 */
+ PINCTRL_PIN(43, "MIIRXD[2]"), /* C10 */
+ PINCTRL_PIN(44, "TXCLK"), /* C11 */
+ PINCTRL_PIN(45, "MIITXD[0]"), /* C12 */
+ PINCTRL_PIN(46, "CLD"), /* C13 */
+ PINCTRL_PIN(47, "EGPIO[13]"), /* C14 */
+ PINCTRL_PIN(48, "TRSTn"), /* C15 */
+ PINCTRL_PIN(49, "Xp"), /* C16 */
+ PINCTRL_PIN(50, "Xm"), /* C17 */
+ /* Row D */
+ PINCTRL_PIN(51, "SDCSn[3]"), /* D1 */
+ PINCTRL_PIN(52, "DA[23]"), /* D2 */
+ PINCTRL_PIN(53, "SDCLK"), /* D3 */
+ PINCTRL_PIN(54, "DA[24]"), /* D4 */
+ PINCTRL_PIN(55, "HGPIO[7]"), /* D5 */
+ PINCTRL_PIN(56, "HGPIO[6]"), /* D6 */
+ PINCTRL_PIN(57, "A[28]"), /* D7 */
+ PINCTRL_PIN(58, "HGPIO[4]"), /* D8 */
+ PINCTRL_PIN(59, "AD[16]"), /* D9 */
+ PINCTRL_PIN(60, "MDC"), /* D10 */
+ PINCTRL_PIN(61, "RXERR"), /* D11 */
+ PINCTRL_PIN(62, "MIITXD[3]"), /* D12 */
+ PINCTRL_PIN(63, "EGPIO[12]"), /* D13 */
+ PINCTRL_PIN(64, "EGPIO[1]"), /* D14 */
+ PINCTRL_PIN(65, "EGPIO[0]"), /* D15 */
+ PINCTRL_PIN(66, "Ym"), /* D16 */
+ PINCTRL_PIN(67, "Yp"), /* D17 */
+ /* Row E */
+ PINCTRL_PIN(68, "SDCSn[2]"), /* E1 */
+ PINCTRL_PIN(69, "SDWEN"), /* E2 */
+ PINCTRL_PIN(70, "DA[22]"), /* E3 */
+ PINCTRL_PIN(71, "AD[3]"), /* E4 */
+ PINCTRL_PIN(72, "DA[15]"), /* E5 */
+ PINCTRL_PIN(73, "AD[21]"), /* E6 */
+ PINCTRL_PIN(74, "DA[17]"), /* E7 */
+ PINCTRL_PIN(75, "vddr"), /* E8 */
+ PINCTRL_PIN(76, "vddr"), /* E9 */
+ PINCTRL_PIN(77, "vddr"), /* E10 */
+ PINCTRL_PIN(78, "MIIRXD[0]"), /* E11 */
+ PINCTRL_PIN(79, "TXERR"), /* E12 */
+ PINCTRL_PIN(80, "EGPIO[2]"), /* E13 */
+ PINCTRL_PIN(81, "EGPIO[4]"), /* E14 */
+ PINCTRL_PIN(82, "EGPIO[3]"), /* E15 */
+ PINCTRL_PIN(83, "sXp"), /* E16 */
+ PINCTRL_PIN(84, "sXm"), /* E17 */
+ /* Row F */
+ PINCTRL_PIN(85, "RASn"), /* F1 */
+ PINCTRL_PIN(86, "SDCSn[1]"), /* F2 */
+ PINCTRL_PIN(87, "SDCSn[0]"), /* F3 */
+ PINCTRL_PIN(88, "DQMn[3]"), /* F4 */
+ PINCTRL_PIN(89, "AD[5]"), /* F5 */
+ PINCTRL_PIN(90, "gndr"), /* F6 */
+ PINCTRL_PIN(91, "gndr"), /* F7 */
+ PINCTRL_PIN(92, "gndr"), /* F8 */
+ PINCTRL_PIN(93, "vddc"), /* F9 */
+ PINCTRL_PIN(94, "vddc"), /* F10 */
+ PINCTRL_PIN(95, "gndr"), /* F11 */
+ PINCTRL_PIN(96, "EGPIO[7]"), /* F12 */
+ PINCTRL_PIN(97, "EGPIO[5]"), /* F13 */
+ PINCTRL_PIN(98, "ADC GND"), /* F14 */
+ PINCTRL_PIN(99, "EGPIO[6]"), /* F15 */
+ PINCTRL_PIN(100, "sYm"), /* F16 */
+ PINCTRL_PIN(101, "syp"), /* F17 */
+ /* Row G */
+ PINCTRL_PIN(102, "DQMn[0]"), /* G1 */
+ PINCTRL_PIN(103, "CASn"), /* G2 */
+ PINCTRL_PIN(104, "DA[21]"), /* G3 */
+ PINCTRL_PIN(105, "AD[22]"), /* G4 */
+ PINCTRL_PIN(106, "vddr"), /* G5 */
+ PINCTRL_PIN(107, "gndr"), /* G6 */
+ PINCTRL_PIN(108, "gndr"), /* G12 */
+ PINCTRL_PIN(109, "EGPIO[9]"), /* G13 */
+ PINCTRL_PIN(110, "EGPIO[10]"), /* G14 */
+ PINCTRL_PIN(111, "EGPIO[11]"), /* G15 */
+ PINCTRL_PIN(112, "RTCXTALO"), /* G16 */
+ PINCTRL_PIN(113, "RTCXTALI"), /* G17 */
+ /* Row H */
+ PINCTRL_PIN(114, "DA[18]"), /* H1 */
+ PINCTRL_PIN(115, "DA[20]"), /* H2 */
+ PINCTRL_PIN(116, "DA[19]"), /* H3 */
+ PINCTRL_PIN(117, "DA[16]"), /* H4 */
+ PINCTRL_PIN(118, "vddr"), /* H5 */
+ PINCTRL_PIN(119, "vddc"), /* H6 */
+ PINCTRL_PIN(120, "gndc"), /* H7 */
+ PINCTRL_PIN(121, "gndc"), /* H9 */
+ PINCTRL_PIN(122, "gndc"), /* H10 */
+ PINCTRL_PIN(123, "gndr"), /* H12 */
+ PINCTRL_PIN(124, "vddr"), /* H13 */
+ PINCTRL_PIN(125, "EGPIO[8]"), /* H14 */
+ PINCTRL_PIN(126, "PRSTN"), /* H15 */
+ PINCTRL_PIN(127, "COL[7]"), /* H16 */
+ PINCTRL_PIN(128, "RSTON"), /* H17 */
+ /* Row J */
+ PINCTRL_PIN(129, "AD[6]"), /* J1 */
+ PINCTRL_PIN(130, "DA[14]"), /* J2 */
+ PINCTRL_PIN(131, "AD[7]"), /* J3 */
+ PINCTRL_PIN(132, "DA[13]"), /* J4 */
+ PINCTRL_PIN(133, "vddr"), /* J5 */
+ PINCTRL_PIN(134, "vddc"), /* J6 */
+ PINCTRL_PIN(135, "gndc"), /* J8 */
+ PINCTRL_PIN(136, "gndc"), /* J10 */
+ PINCTRL_PIN(137, "vddc"), /* J12 */
+ PINCTRL_PIN(138, "vddr"), /* J13 */
+ PINCTRL_PIN(139, "COL[5]"), /* J14 */
+ PINCTRL_PIN(140, "COL[6]"), /* J15 */
+ PINCTRL_PIN(141, "CSn[0]"), /* J16 */
+ PINCTRL_PIN(142, "COL[3]"), /* J17 */
+ /* Row K */
+ PINCTRL_PIN(143, "AD[4]"), /* K1 */
+ PINCTRL_PIN(144, "DA[12]"), /* K2 */
+ PINCTRL_PIN(145, "DA[10]"), /* K3 */
+ PINCTRL_PIN(146, "DA[11]"), /* K4 */
+ PINCTRL_PIN(147, "vddr"), /* K5 */
+ PINCTRL_PIN(148, "gndr"), /* K6 */
+ PINCTRL_PIN(149, "gndc"), /* K8 */
+ PINCTRL_PIN(150, "gndc"), /* K9 */
+ PINCTRL_PIN(151, "gndc"), /* K10 */
+ PINCTRL_PIN(152, "vddc"), /* K12 */
+ PINCTRL_PIN(153, "COL[4]"), /* K13 */
+ PINCTRL_PIN(154, "PLL_VDD"), /* K14 */
+ PINCTRL_PIN(155, "COL[2]"), /* K15 */
+ PINCTRL_PIN(156, "COL[1]"), /* K16 */
+ PINCTRL_PIN(157, "COL[0]"), /* K17 */
+ /* Row L */
+ PINCTRL_PIN(158, "DA[9]"), /* L1 */
+ PINCTRL_PIN(159, "AD[2]"), /* L2 */
+ PINCTRL_PIN(160, "AD[1]"), /* L3 */
+ PINCTRL_PIN(161, "DA[8]"), /* L4 */
+ PINCTRL_PIN(162, "BLANK"), /* L5 */
+ PINCTRL_PIN(163, "gndr"), /* L6 */
+ PINCTRL_PIN(164, "gndr"), /* L7 */
+ PINCTRL_PIN(165, "ROW[7]"), /* L8 */
+ PINCTRL_PIN(166, "ROW[5]"), /* L9 */
+ PINCTRL_PIN(167, "PLL GND"), /* L10 */
+ PINCTRL_PIN(168, "XTALI"), /* L11 */
+ PINCTRL_PIN(169, "XTALO"), /* L12 */
+ /* Row M */
+ PINCTRL_PIN(170, "BRIGHT"), /* M1 */
+ PINCTRL_PIN(171, "AD[0]"), /* M2 */
+ PINCTRL_PIN(172, "DQMn[1]"), /* M3 */
+ PINCTRL_PIN(173, "DQMn[2]"), /* M4 */
+ PINCTRL_PIN(174, "P[17]"), /* M5 */
+ PINCTRL_PIN(175, "gndr"), /* M6 */
+ PINCTRL_PIN(176, "gndr"), /* M7 */
+ PINCTRL_PIN(177, "vddc"), /* M8 */
+ PINCTRL_PIN(178, "vddc"), /* M9 */
+ PINCTRL_PIN(179, "gndr"), /* M10 */
+ PINCTRL_PIN(180, "gndr"), /* M11 */
+ PINCTRL_PIN(181, "ROW[6]"), /* M12 */
+ PINCTRL_PIN(182, "ROW[4]"), /* M13 */
+ PINCTRL_PIN(183, "ROW[1]"), /* M14 */
+ PINCTRL_PIN(184, "ROW[0]"), /* M15 */
+ PINCTRL_PIN(185, "ROW[3]"), /* M16 */
+ PINCTRL_PIN(186, "ROW[2]"), /* M17 */
+ /* Row N */
+ PINCTRL_PIN(187, "P[14]"), /* N1 */
+ PINCTRL_PIN(188, "P[16]"), /* N2 */
+ PINCTRL_PIN(189, "P[15]"), /* N3 */
+ PINCTRL_PIN(190, "P[13]"), /* N4 */
+ PINCTRL_PIN(191, "P[12]"), /* N5 */
+ PINCTRL_PIN(192, "DA[5]"), /* N6 */
+ PINCTRL_PIN(193, "vddr"), /* N7 */
+ PINCTRL_PIN(194, "vddr"), /* N8 */
+ PINCTRL_PIN(195, "vddr"), /* N9 */
+ PINCTRL_PIN(196, "vddr"), /* N10 */
+ PINCTRL_PIN(197, "EECLK"), /* N11 */
+ PINCTRL_PIN(198, "ASDO"), /* N12 */
+ PINCTRL_PIN(199, "CTSn"), /* N13 */
+ PINCTRL_PIN(200, "RXD[0]"), /* N14 */
+ PINCTRL_PIN(201, "TXD[0]"), /* N15 */
+ PINCTRL_PIN(202, "TXD[1]"), /* N16 */
+ PINCTRL_PIN(203, "TXD[2]"), /* N17 */
+ /* Row P */
+ PINCTRL_PIN(204, "SPCLK"), /* P1 */
+ PINCTRL_PIN(205, "P[10]"), /* P2 */
+ PINCTRL_PIN(206, "P[11]"), /* P3 */
+ PINCTRL_PIN(207, "P[3]"), /* P4 */
+ PINCTRL_PIN(208, "AD[15]"), /* P5 */
+ PINCTRL_PIN(209, "AD[13]"), /* P6 */
+ PINCTRL_PIN(210, "AD[12]"), /* P7 */
+ PINCTRL_PIN(211, "DA[2]"), /* P8 */
+ PINCTRL_PIN(212, "AD[8]"), /* P9 */
+ PINCTRL_PIN(213, "TCK"), /* P10 */
+ PINCTRL_PIN(214, "BOOT[1]"), /* P11 */
+ PINCTRL_PIN(215, "EEDAT"), /* P12 */
+ PINCTRL_PIN(216, "GRLED"), /* P13 */
+ PINCTRL_PIN(217, "RDLED"), /* P14 */
+ PINCTRL_PIN(218, "GGPIO[2]"), /* P15 */
+ PINCTRL_PIN(219, "RXD[1]"), /* P16 */
+ PINCTRL_PIN(220, "RXD[2]"), /* P17 */
+ /* Row R */
+ PINCTRL_PIN(221, "P[9]"), /* R1 */
+ PINCTRL_PIN(222, "HSYNC"), /* R2 */
+ PINCTRL_PIN(223, "P[6]"), /* R3 */
+ PINCTRL_PIN(224, "P[5]"), /* R4 */
+ PINCTRL_PIN(225, "P[0]"), /* R5 */
+ PINCTRL_PIN(226, "AD[14]"), /* R6 */
+ PINCTRL_PIN(227, "DA[4]"), /* R7 */
+ PINCTRL_PIN(228, "DA[1]"), /* R8 */
+ PINCTRL_PIN(229, "DTRn"), /* R9 */
+ PINCTRL_PIN(230, "TDI"), /* R10 */
+ PINCTRL_PIN(231, "BOOT[0]"), /* R11 */
+ PINCTRL_PIN(232, "ASYNC"), /* R12 */
+ PINCTRL_PIN(233, "SSPTX[1]"), /* R13 */
+ PINCTRL_PIN(234, "PWMOUT"), /* R14 */
+ PINCTRL_PIN(235, "USBm[0]"), /* R15 */
+ PINCTRL_PIN(236, "ABITCLK"), /* R16 */
+ PINCTRL_PIN(237, "USBp[0]"), /* R17 */
+ /* Row T */
+ PINCTRL_PIN(238, "NC"), /* T1 */
+ PINCTRL_PIN(239, "NC"), /* T2 */
+ PINCTRL_PIN(240, "V_CSYNC"), /* T3 */
+ PINCTRL_PIN(241, "P[7]"), /* T4 */
+ PINCTRL_PIN(242, "P[2]"), /* T5 */
+ PINCTRL_PIN(243, "DA[7]"), /* T6 */
+ PINCTRL_PIN(244, "AD[11]"), /* T7 */
+ PINCTRL_PIN(245, "AD[9]"), /* T8 */
+ PINCTRL_PIN(246, "DSRn"), /* T9 */
+ PINCTRL_PIN(247, "TMS"), /* T10 */
+ PINCTRL_PIN(248, "gndr"), /* T11 */
+ PINCTRL_PIN(249, "SFRM[1]"), /* T12 */
+ PINCTRL_PIN(250, "INT[2]"), /* T13 */
+ PINCTRL_PIN(251, "INT[0]"), /* T14 */
+ PINCTRL_PIN(252, "USBp[1]"), /* T15 */
+ PINCTRL_PIN(253, "NC"), /* T16 */
+ PINCTRL_PIN(254, "NC"), /* T17 */
+ /* Row U */
+ PINCTRL_PIN(255, "NC"), /* U1 */
+ PINCTRL_PIN(256, "NC"), /* U2 */
+ PINCTRL_PIN(257, "P[8]"), /* U3 */
+ PINCTRL_PIN(258, "P[4]"), /* U4 */
+ PINCTRL_PIN(259, "P[1]"), /* U5 */
+ PINCTRL_PIN(260, "DA[6]"), /* U6 */
+ PINCTRL_PIN(261, "DA[3]"), /* U7 */
+ PINCTRL_PIN(262, "AD[10]"), /* U8 */
+ PINCTRL_PIN(263, "DA[0]"), /* U9 */
+ PINCTRL_PIN(264, "TDO"), /* U10 */
+ PINCTRL_PIN(265, "NC"), /* U11 */
+ PINCTRL_PIN(266, "SCLK[1]"), /* U12 */
+ PINCTRL_PIN(267, "SSPRX[1]"), /* U13 */
+ PINCTRL_PIN(268, "INT[1]"), /* U14 */
+ PINCTRL_PIN(269, "RTSn"), /* U15 */
+ PINCTRL_PIN(270, "USBm[1]"), /* U16 */
+ PINCTRL_PIN(271, "NC"), /* U17 */
+};
+
+static const unsigned int ssp_ep9307_pins[] = {
+ 233, 249, 266, 267,
+};
+
+static const unsigned int ac97_ep9307_pins[] = {
+ 16, 32, 198, 232, 236,
+};
+
+/* I can't find info on those - it's some internal state */
+static const unsigned int raster_on_sdram0_pins[] = {
+};
+
+static const unsigned int raster_on_sdram3_pins[] = {
+};
+
+/* ROW[N] */
+static const unsigned int gpio2a_9307_pins[] = {
+ 165, 166, 181, 182, 183, 184, 185, 186,
+};
+
+/* COL[N] */
+static const unsigned int gpio3a_9307_pins[] = {
+ 127, 139, 140, 142, 153, 155, 156, 157,
+};
+
+static const unsigned int keypad_9307_pins[] = {
+ 127, 139, 140, 142, 153, 155, 156, 157,
+ 165, 166, 181, 182, 183, 184, 185, 186,
+};
+
+/* ep9307 have only 4,5 pin of GPIO E Port exposed */
+static const unsigned int gpio4a_9307_pins[] = { 216, 217 };
+
+/* ep9307 have only 2 pin of GPIO G Port exposed */
+static const unsigned int gpio6a_9307_pins[] = { 219 };
+
+static const unsigned int gpio7a_9307_pins[] = { 7, 24, 41, 56, 57, 59 };
+
+static const struct ep93xx_pin_group ep9307_pin_groups[] = {
+ PMX_GROUP("ssp", ssp_ep9307_pins, EP93XX_SYSCON_DEVCFG_I2SONSSP, 0),
+ PMX_GROUP("i2s_on_ssp", ssp_ep9307_pins, EP93XX_SYSCON_DEVCFG_I2SONSSP,
+ EP93XX_SYSCON_DEVCFG_I2SONSSP),
+ PMX_GROUP("ac97", ac97_ep9307_pins, EP93XX_SYSCON_DEVCFG_I2SONAC97, 0),
+ PMX_GROUP("i2s_on_ac97", ac97_ep9301_pins, EP93XX_SYSCON_DEVCFG_I2SONAC97,
+ EP93XX_SYSCON_DEVCFG_I2SONAC97),
+ PMX_GROUP("rasteronsdram0grp", raster_on_sdram0_pins, EP93XX_SYSCON_DEVCFG_RASONP3, 0),
+ PMX_GROUP("rasteronsdram3grp", raster_on_sdram3_pins, EP93XX_SYSCON_DEVCFG_RASONP3,
+ EP93XX_SYSCON_DEVCFG_RASONP3),
+ PMX_GROUP("gpio2agrp", gpio2a_9307_pins, EP93XX_SYSCON_DEVCFG_GONK,
+ EP93XX_SYSCON_DEVCFG_GONK),
+ PMX_GROUP("gpio3agrp", gpio3a_9307_pins, EP93XX_SYSCON_DEVCFG_GONK,
+ EP93XX_SYSCON_DEVCFG_GONK),
+ PMX_GROUP("keypadgrp", keypad_9307_pins, EP93XX_SYSCON_DEVCFG_GONK, 0),
+ PMX_GROUP("gpio4agrp", gpio4a_9307_pins, EP93XX_SYSCON_DEVCFG_EONIDE,
+ EP93XX_SYSCON_DEVCFG_EONIDE),
+ PMX_GROUP("gpio6agrp", gpio6a_9307_pins, EP93XX_SYSCON_DEVCFG_GONIDE,
+ EP93XX_SYSCON_DEVCFG_GONIDE),
+ PMX_GROUP("gpio7agrp", gpio7a_9307_pins, EP93XX_SYSCON_DEVCFG_HONIDE,
+ EP93XX_SYSCON_DEVCFG_HONIDE),
+};
+
+/* ep9312, ep9315 */
+static const struct pinctrl_pin_desc ep9312_pins[] = {
+ /* Row A */
+ PINCTRL_PIN(0, "CSN[7]"), /* A1 */
+ PINCTRL_PIN(1, "DA[28]"), /* A2 */
+ PINCTRL_PIN(2, "AD[18]"), /* A3 */
+ PINCTRL_PIN(3, "DD[8]"), /* A4 */
+ PINCTRL_PIN(4, "DD[4]"), /* A5 */
+ PINCTRL_PIN(5, "AD[17]"), /* A6 */
+ PINCTRL_PIN(6, "RDN"), /* A7 */
+ PINCTRL_PIN(7, "RXCLK"), /* A8 */
+ PINCTRL_PIN(8, "MIIRXD[0]"), /* A9 */
+ PINCTRL_PIN(9, "RXDVAL"), /* A10 */
+ PINCTRL_PIN(10, "MIITXD[2]"), /* A11 */
+ PINCTRL_PIN(11, "TXERR"), /* A12 */
+ PINCTRL_PIN(12, "CLD"), /* A13 */
+ PINCTRL_PIN(13, "NC"), /* A14 */
+ PINCTRL_PIN(14, "NC"), /* A15 */
+ PINCTRL_PIN(15, "NC"), /* A16 */
+ PINCTRL_PIN(16, "EGPIO[12]"), /* A17 */
+ PINCTRL_PIN(17, "EGPIO[15]"), /* A18 */
+ PINCTRL_PIN(18, "NC"), /* A19 */
+ PINCTRL_PIN(19, "NC"), /* A20 */
+ /* Row B */
+ PINCTRL_PIN(20, "CSN[2]"), /* B1 */
+ PINCTRL_PIN(21, "DA[31]"), /* B2 */
+ PINCTRL_PIN(22, "DA[30]"), /* B3 */
+ PINCTRL_PIN(23, "DA[27]"), /* B4 */
+ PINCTRL_PIN(24, "DD[7]"), /* B5 */
+ PINCTRL_PIN(25, "DD[3]"), /* B6 */
+ PINCTRL_PIN(26, "WRN"), /* B7 */
+ PINCTRL_PIN(27, "MDIO"), /* B8 */
+ PINCTRL_PIN(28, "MIIRXD[1]"), /* B9 */
+ PINCTRL_PIN(29, "RXERR"), /* B10 */
+ PINCTRL_PIN(30, "MIITXD[1]"), /* B11 */
+ PINCTRL_PIN(31, "CRS"), /* B12 */
+ PINCTRL_PIN(32, "NC"), /* B13 */
+ PINCTRL_PIN(33, "NC"), /* B14 */
+ PINCTRL_PIN(34, "NC"), /* B15 */
+ PINCTRL_PIN(35, "NC"), /* B16 */
+ PINCTRL_PIN(36, "EGPIO[13]"), /* B17 */
+ PINCTRL_PIN(37, "NC"), /* B18 */
+ PINCTRL_PIN(38, "WAITN"), /* B19 */
+ PINCTRL_PIN(39, "TRSTN"), /* B20 */
+ /* Row C */
+ PINCTRL_PIN(40, "CSN[1]"), /* C1 */
+ PINCTRL_PIN(41, "CSN[3]"), /* C2 */
+ PINCTRL_PIN(42, "AD[20]"), /* C3 */
+ PINCTRL_PIN(43, "DA[29]"), /* C4 */
+ PINCTRL_PIN(44, "DD[10]"), /* C5 */
+ PINCTRL_PIN(45, "DD[6]"), /* C6 */
+ PINCTRL_PIN(46, "DD[2]"), /* C7 */
+ PINCTRL_PIN(47, "MDC"), /* C8 */
+ PINCTRL_PIN(48, "MIIRXD[3]"), /* C9 */
+ PINCTRL_PIN(49, "TXCLK"), /* C10 */
+ PINCTRL_PIN(50, "MIITXD[0]"), /* C11 */
+ PINCTRL_PIN(51, "NC"), /* C12 */
+ PINCTRL_PIN(52, "NC"), /* C13 */
+ PINCTRL_PIN(53, "NC"), /* C14 */
+ PINCTRL_PIN(54, "NC"), /* C15 */
+ PINCTRL_PIN(55, "NC"), /* C16 */
+ PINCTRL_PIN(56, "NC"), /* C17 */
+ PINCTRL_PIN(57, "USBP[2]"), /* C18 */
+ PINCTRL_PIN(58, "IORDY"), /* C19 */
+ PINCTRL_PIN(59, "DMACKN"), /* C20 */
+ /* Row D */
+ PINCTRL_PIN(60, "AD[24]"), /* D1 */
+ PINCTRL_PIN(61, "DA[25]"), /* D2 */
+ PINCTRL_PIN(62, "DD[11]"), /* D3 */
+ PINCTRL_PIN(63, "SDCLKEN"), /* D4 */
+ PINCTRL_PIN(64, "AD[19]"), /* D5 */
+ PINCTRL_PIN(65, "DD[9]"), /* D6 */
+ PINCTRL_PIN(66, "DD[5]"), /* D7 */
+ PINCTRL_PIN(67, "AD[16]"), /* D8 */
+ PINCTRL_PIN(68, "MIIRXD[2]"), /* D9 */
+ PINCTRL_PIN(69, "MIITXD[3]"), /* D10 */
+ PINCTRL_PIN(70, "TXEN"), /* D11 */
+ PINCTRL_PIN(71, "NC"), /* D12 */
+ PINCTRL_PIN(72, "NC"), /* D13 */
+ PINCTRL_PIN(73, "NC"), /* D14 */
+ PINCTRL_PIN(74, "EGPIO[14]"), /* D15 */
+ PINCTRL_PIN(75, "NC"), /* D16 */
+ PINCTRL_PIN(76, "USBM[2]"), /* D17 */
+ PINCTRL_PIN(77, "ARSTN"), /* D18 */
+ PINCTRL_PIN(78, "DIORN"), /* D19 */
+ PINCTRL_PIN(79, "EGPIO[1]"), /* D20 */
+ /* Row E */
+ PINCTRL_PIN(80, "AD[23]"), /* E1 */
+ PINCTRL_PIN(81, "DA[23]"), /* E2 */
+ PINCTRL_PIN(82, "DA[26]"), /* E3 */
+ PINCTRL_PIN(83, "CSN[6]"), /* E4 */
+ PINCTRL_PIN(84, "GND"), /* E5 */
+ PINCTRL_PIN(85, "GND"), /* E6 */
+ PINCTRL_PIN(86, "CVDD"), /* E7 */
+ PINCTRL_PIN(87, "CVDD"), /* E8 */
+ PINCTRL_PIN(88, "RVDD"), /* E9 */
+ PINCTRL_PIN(89, "GND"), /* E10 */
+ PINCTRL_PIN(90, "GND"), /* E11 */
+ PINCTRL_PIN(91, "RVDD"), /* E12 */
+ PINCTRL_PIN(92, "CVDD"), /* E13 */
+ PINCTRL_PIN(93, "CVDD"), /* E14 */
+ PINCTRL_PIN(94, "GND"), /* E15 */
+ PINCTRL_PIN(95, "ASDI"), /* E16 */
+ PINCTRL_PIN(96, "DIOWN"), /* E17 */
+ PINCTRL_PIN(97, "EGPIO[0]"), /* E18 */
+ PINCTRL_PIN(98, "EGPIO[3]"), /* E19 */
+ PINCTRL_PIN(99, "EGPIO[5]"), /* E20 */
+ /* Row F */
+ PINCTRL_PIN(100, "SDCSN[3]"), /* F1 */
+ PINCTRL_PIN(101, "DA[22]"), /* F2 */
+ PINCTRL_PIN(102, "DA[24]"), /* F3 */
+ PINCTRL_PIN(103, "AD[25]"), /* F4 */
+ PINCTRL_PIN(104, "RVDD"), /* F5 */
+ PINCTRL_PIN(105, "GND"), /* F6 */
+ PINCTRL_PIN(106, "CVDD"), /* F7 */
+ PINCTRL_PIN(107, "CVDD"), /* F14 */
+ PINCTRL_PIN(108, "GND"), /* F15 */
+ PINCTRL_PIN(109, "GND"), /* F16 */
+ PINCTRL_PIN(110, "EGPIO[2]"), /* F17 */
+ PINCTRL_PIN(111, "EGPIO[4]"), /* F18 */
+ PINCTRL_PIN(112, "EGPIO[6]"), /* F19 */
+ PINCTRL_PIN(113, "EGPIO[8]"), /* F20 */
+ /* Row G */
+ PINCTRL_PIN(114, "SDCSN[0]"), /* G1 */
+ PINCTRL_PIN(115, "SDCSN[1]"), /* G2 */
+ PINCTRL_PIN(116, "SDWEN"), /* G3 */
+ PINCTRL_PIN(117, "SDCLK"), /* G4 */
+ PINCTRL_PIN(118, "RVDD"), /* G5 */
+ PINCTRL_PIN(119, "RVDD"), /* G6 */
+ PINCTRL_PIN(120, "RVDD"), /* G15 */
+ PINCTRL_PIN(121, "RVDD"), /* G16 */
+ PINCTRL_PIN(122, "EGPIO[7]"), /* G17 */
+ PINCTRL_PIN(123, "EGPIO[9]"), /* G18 */
+ PINCTRL_PIN(124, "EGPIO[10]"), /* G19 */
+ PINCTRL_PIN(125, "EGPIO[11]"), /* G20 */
+ /* Row H */
+ PINCTRL_PIN(126, "DQMN[3]"), /* H1 */
+ PINCTRL_PIN(127, "CASN"), /* H2 */
+ PINCTRL_PIN(128, "RASN"), /* H3 */
+ PINCTRL_PIN(129, "SDCSN[2]"), /* H4 */
+ PINCTRL_PIN(130, "CVDD"), /* H5 */
+ PINCTRL_PIN(131, "GND"), /* H8 */
+ PINCTRL_PIN(132, "GND"), /* H9 */
+ PINCTRL_PIN(133, "GND"), /* H10 */
+ PINCTRL_PIN(134, "GND"), /* H11 */
+ PINCTRL_PIN(135, "GND"), /* H12 */
+ PINCTRL_PIN(136, "GND"), /* H13 */
+ PINCTRL_PIN(137, "RVDD"), /* H16 */
+ PINCTRL_PIN(138, "RTCXTALO"), /* H17 */
+ PINCTRL_PIN(139, "ADC_VDD"), /* H18 */
+ PINCTRL_PIN(140, "ADC_GND"), /* H19 */
+ PINCTRL_PIN(141, "XP"), /* H20 */
+ /* Row J */
+ PINCTRL_PIN(142, "DA[21]"), /* J1 */
+ PINCTRL_PIN(143, "DQMN[0]"), /* J2 */
+ PINCTRL_PIN(144, "DQMN[1]"), /* J3 */
+ PINCTRL_PIN(145, "DQMN[2]"), /* J4 */
+ PINCTRL_PIN(146, "GND"), /* J5 */
+ PINCTRL_PIN(147, "GND"), /* J8 */
+ PINCTRL_PIN(148, "GND"), /* J9 */
+ PINCTRL_PIN(149, "GND"), /* J10 */
+ PINCTRL_PIN(150, "GND"), /* J11 */
+ PINCTRL_PIN(151, "GND"), /* J12 */
+ PINCTRL_PIN(152, "GND"), /* J13 */
+ PINCTRL_PIN(153, "CVDD"), /* J16 */
+ PINCTRL_PIN(154, "RTCXTALI"), /* J17 */
+ PINCTRL_PIN(155, "XM"), /* J18 */
+ PINCTRL_PIN(156, "YP"), /* J19 */
+ PINCTRL_PIN(157, "YM"), /* J20 */
+ /* Row K */
+ PINCTRL_PIN(158, "AD[22]"), /* K1 */
+ PINCTRL_PIN(159, "DA[20]"), /* K2 */
+ PINCTRL_PIN(160, "AD[21]"), /* K3 */
+ PINCTRL_PIN(161, "DA[19]"), /* K4 */
+ PINCTRL_PIN(162, "RVDD"), /* K5 */
+ PINCTRL_PIN(163, "GND"), /* K8 */
+ PINCTRL_PIN(164, "GND"), /* K9 */
+ PINCTRL_PIN(165, "GND"), /* K10 */
+ PINCTRL_PIN(166, "GND"), /* K11 */
+ PINCTRL_PIN(167, "GND"), /* K12 */
+ PINCTRL_PIN(168, "GND"), /* K13 */
+ PINCTRL_PIN(169, "CVDD"), /* K16 */
+ PINCTRL_PIN(170, "SYM"), /* K17 */
+ PINCTRL_PIN(171, "SYP"), /* K18 */
+ PINCTRL_PIN(172, "SXM"), /* K19 */
+ PINCTRL_PIN(173, "SXP"), /* K20 */
+ /* Row L */
+ PINCTRL_PIN(174, "DA[18]"), /* L1 */
+ PINCTRL_PIN(175, "DA[17]"), /* L2 */
+ PINCTRL_PIN(176, "DA[16]"), /* L3 */
+ PINCTRL_PIN(177, "DA[15]"), /* L4 */
+ PINCTRL_PIN(178, "GND"), /* L5 */
+ PINCTRL_PIN(179, "GND"), /* L8 */
+ PINCTRL_PIN(180, "GND"), /* L9 */
+ PINCTRL_PIN(181, "GND"), /* L10 */
+ PINCTRL_PIN(182, "GND"), /* L11 */
+ PINCTRL_PIN(183, "GND"), /* L12 */
+ PINCTRL_PIN(184, "GND"), /* L13 */
+ PINCTRL_PIN(185, "CVDD"), /* L16 */
+ PINCTRL_PIN(186, "COL[5]"), /* L17 */
+ PINCTRL_PIN(187, "COL[7]"), /* L18 */
+ PINCTRL_PIN(188, "RSTON"), /* L19 */
+ PINCTRL_PIN(189, "PRSTN"), /* L20 */
+ /* Row M */
+ PINCTRL_PIN(190, "AD[7]"), /* M1 */
+ PINCTRL_PIN(191, "DA[14]"), /* M2 */
+ PINCTRL_PIN(192, "AD[6]"), /* M3 */
+ PINCTRL_PIN(193, "AD[5]"), /* M4 */
+ PINCTRL_PIN(194, "CVDD"), /* M5 */
+ PINCTRL_PIN(195, "GND"), /* M8 */
+ PINCTRL_PIN(196, "GND"), /* M9 */
+ PINCTRL_PIN(197, "GND"), /* M10 */
+ PINCTRL_PIN(198, "GND"), /* M11 */
+ PINCTRL_PIN(199, "GND"), /* M12 */
+ PINCTRL_PIN(200, "GND"), /* M13 */
+ PINCTRL_PIN(201, "GND"), /* M16 */
+ PINCTRL_PIN(202, "COL[4]"), /* M17 */
+ PINCTRL_PIN(203, "COL[3]"), /* M18 */
+ PINCTRL_PIN(204, "COL[6]"), /* M19 */
+ PINCTRL_PIN(205, "CSN[0]"), /* M20 */
+ /* Row N */
+ PINCTRL_PIN(206, "DA[13]"), /* N1 */
+ PINCTRL_PIN(207, "DA[12]"), /* N2 */
+ PINCTRL_PIN(208, "DA[11]"), /* N3 */
+ PINCTRL_PIN(209, "AD[3]"), /* N4 */
+ PINCTRL_PIN(210, "CVDD"), /* N5 */
+ PINCTRL_PIN(211, "CVDD"), /* N6 */
+ PINCTRL_PIN(212, "GND"), /* N8 */
+ PINCTRL_PIN(213, "GND"), /* N9 */
+ PINCTRL_PIN(214, "GND"), /* N10 */
+ PINCTRL_PIN(215, "GND"), /* N11 */
+ PINCTRL_PIN(216, "GND"), /* N12 */
+ PINCTRL_PIN(217, "GND"), /* N13 */
+ PINCTRL_PIN(218, "GND"), /* N15 */
+ PINCTRL_PIN(219, "GND"), /* N16 */
+ PINCTRL_PIN(220, "XTALO"), /* N17 */
+ PINCTRL_PIN(221, "COL[0]"), /* N18 */
+ PINCTRL_PIN(222, "COL[1]"), /* N19 */
+ PINCTRL_PIN(223, "COL[2]"), /* N20 */
+ /* Row P */
+ PINCTRL_PIN(224, "AD[4]"), /* P1 */
+ PINCTRL_PIN(225, "DA[10]"), /* P2 */
+ PINCTRL_PIN(226, "DA[9]"), /* P3 */
+ PINCTRL_PIN(227, "BRIGHT"), /* P4 */
+ PINCTRL_PIN(228, "RVDD"), /* P5 */
+ PINCTRL_PIN(229, "RVDD"), /* P6 */
+ PINCTRL_PIN(230, "RVDD"), /* P15 */
+ PINCTRL_PIN(231, "RVDD"), /* P16 */
+ PINCTRL_PIN(232, "XTALI"), /* P17 */
+ PINCTRL_PIN(233, "PLL_VDD"), /* P18 */
+ PINCTRL_PIN(234, "ROW[6]"), /* P19 */
+ PINCTRL_PIN(235, "ROW[7]"), /* P20 */
+ /* Row R */
+ PINCTRL_PIN(236, "AD[2]"), /* R1 */
+ PINCTRL_PIN(237, "AD[1]"), /* R2 */
+ PINCTRL_PIN(238, "P[17]"), /* R3 */
+ PINCTRL_PIN(239, "P[14]"), /* R4 */
+ PINCTRL_PIN(240, "RVDD"), /* R5 */
+ PINCTRL_PIN(241, "RVDD"), /* R6 */
+ PINCTRL_PIN(242, "GND"), /* R7 */
+ PINCTRL_PIN(243, "CVDD"), /* R8 */
+ PINCTRL_PIN(244, "CVDD"), /* R13 */
+ PINCTRL_PIN(245, "GND"), /* R14 */
+ PINCTRL_PIN(246, "RVDD"), /* R15 */
+ PINCTRL_PIN(247, "RVDD"), /* R16 */
+ PINCTRL_PIN(248, "ROW[0]"), /* R17 */
+ PINCTRL_PIN(249, "ROW[3]"), /* R18 */
+ PINCTRL_PIN(250, "PLL_GND"), /* R19 */
+ PINCTRL_PIN(251, "ROW[5]"), /* R20 */
+ /* Row T */
+ PINCTRL_PIN(252, "DA[8]"), /* T1 */
+ PINCTRL_PIN(253, "BLANK"), /* T2 */
+ PINCTRL_PIN(254, "P[13]"), /* T3 */
+ PINCTRL_PIN(255, "SPCLK"), /* T4 */
+ PINCTRL_PIN(256, "V_CSYNC"), /* T5 */
+ PINCTRL_PIN(257, "DD[14]"), /* T6 */
+ PINCTRL_PIN(258, "GND"), /* T7 */
+ PINCTRL_PIN(259, "CVDD"), /* T8 */
+ PINCTRL_PIN(260, "RVDD"), /* T9 */
+ PINCTRL_PIN(261, "GND"), /* T10 */
+ PINCTRL_PIN(262, "GND"), /* T11 */
+ PINCTRL_PIN(263, "RVDD"), /* T12 */
+ PINCTRL_PIN(264, "CVDD"), /* T13 */
+ PINCTRL_PIN(265, "GND"), /* T14 */
+ PINCTRL_PIN(266, "INT[0]"), /* T15 */
+ PINCTRL_PIN(267, "USBM[1]"), /* T16 */
+ PINCTRL_PIN(268, "RXD[0]"), /* T17 */
+ PINCTRL_PIN(269, "TXD[2]"), /* T18 */
+ PINCTRL_PIN(270, "ROW[2]"), /* T19 */
+ PINCTRL_PIN(271, "ROW[4]"), /* T20 */
+ /* Row U */
+ PINCTRL_PIN(272, "AD[0]"), /* U1 */
+ PINCTRL_PIN(273, "P[15]"), /* U2 */
+ PINCTRL_PIN(274, "P[10]"), /* U3 */
+ PINCTRL_PIN(275, "P[7]"), /* U4 */
+ PINCTRL_PIN(276, "P[6]"), /* U5 */
+ PINCTRL_PIN(277, "P[4]"), /* U6 */
+ PINCTRL_PIN(278, "P[0]"), /* U7 */
+ PINCTRL_PIN(279, "AD[13]"), /* U8 */
+ PINCTRL_PIN(280, "DA[3]"), /* U9 */
+ PINCTRL_PIN(281, "DA[0]"), /* U10 */
+ PINCTRL_PIN(282, "DSRN"), /* U11 */
+ PINCTRL_PIN(283, "BOOT[1]"), /* U12 */
+ PINCTRL_PIN(284, "NC"), /* U13 */
+ PINCTRL_PIN(285, "SSPRX1"), /* U14 */
+ PINCTRL_PIN(286, "INT[1]"), /* U15 */
+ PINCTRL_PIN(287, "PWMOUT"), /* U16 */
+ PINCTRL_PIN(288, "USBM[0]"), /* U17 */
+ PINCTRL_PIN(289, "RXD[1]"), /* U18 */
+ PINCTRL_PIN(290, "TXD[1]"), /* U19 */
+ PINCTRL_PIN(291, "ROW[1]"), /* U20 */
+ /* Row V */
+ PINCTRL_PIN(292, "P[16]"), /* V1 */
+ PINCTRL_PIN(293, "P[11]"), /* V2 */
+ PINCTRL_PIN(294, "P[8]"), /* V3 */
+ PINCTRL_PIN(295, "DD[15]"), /* V4 */
+ PINCTRL_PIN(296, "DD[13]"), /* V5 */
+ PINCTRL_PIN(297, "P[1]"), /* V6 */
+ PINCTRL_PIN(298, "AD[14]"), /* V7 */
+ PINCTRL_PIN(299, "AD[12]"), /* V8 */
+ PINCTRL_PIN(300, "DA[2]"), /* V9 */
+ PINCTRL_PIN(301, "IDECS0N"), /* V10 */
+ PINCTRL_PIN(302, "IDEDA[2]"), /* V11 */
+ PINCTRL_PIN(303, "TDI"), /* V12 */
+ PINCTRL_PIN(304, "GND"), /* V13 */
+ PINCTRL_PIN(305, "ASYNC"), /* V14 */
+ PINCTRL_PIN(306, "SSPTX1"), /* V15 */
+ PINCTRL_PIN(307, "INT[2]"), /* V16 */
+ PINCTRL_PIN(308, "RTSN"), /* V17 */
+ PINCTRL_PIN(309, "USBP[0]"), /* V18 */
+ PINCTRL_PIN(310, "CTSN"), /* V19 */
+ PINCTRL_PIN(311, "TXD[0]"), /* V20 */
+ /* Row W */
+ PINCTRL_PIN(312, "P[12]"), /* W1 */
+ PINCTRL_PIN(313, "P[9]"), /* W2 */
+ PINCTRL_PIN(314, "DD[0]"), /* W3 */
+ PINCTRL_PIN(315, "P[5]"), /* W4 */
+ PINCTRL_PIN(316, "P[3]"), /* W5 */
+ PINCTRL_PIN(317, "DA[7]"), /* W6 */
+ PINCTRL_PIN(318, "DA[5]"), /* W7 */
+ PINCTRL_PIN(319, "AD[11]"), /* W8 */
+ PINCTRL_PIN(320, "AD[9]"), /* W9 */
+ PINCTRL_PIN(321, "IDECS1N"), /* W10 */
+ PINCTRL_PIN(322, "IDEDA[1]"), /* W11 */
+ PINCTRL_PIN(323, "TCK"), /* W12 */
+ PINCTRL_PIN(324, "TMS"), /* W13 */
+ PINCTRL_PIN(325, "EECLK"), /* W14 */
+ PINCTRL_PIN(326, "SCLK1"), /* W15 */
+ PINCTRL_PIN(327, "GRLED"), /* W16 */
+ PINCTRL_PIN(328, "INT[3]"), /* W17 */
+ PINCTRL_PIN(329, "SLA[1]"), /* W18 */
+ PINCTRL_PIN(330, "SLA[0]"), /* W19 */
+ PINCTRL_PIN(331, "RXD[2]"), /* W20 */
+ /* Row Y */
+ PINCTRL_PIN(332, "HSYNC"), /* Y1 */
+ PINCTRL_PIN(333, "DD[1]"), /* Y2 */
+ PINCTRL_PIN(334, "DD[12]"), /* Y3 */
+ PINCTRL_PIN(335, "P[2]"), /* Y4 */
+ PINCTRL_PIN(336, "AD[15]"), /* Y5 */
+ PINCTRL_PIN(337, "DA[6]"), /* Y6 */
+ PINCTRL_PIN(338, "DA[4]"), /* Y7 */
+ PINCTRL_PIN(339, "AD[10]"), /* Y8 */
+ PINCTRL_PIN(340, "DA[1]"), /* Y9 */
+ PINCTRL_PIN(341, "AD[8]"), /* Y10 */
+ PINCTRL_PIN(342, "IDEDA[0]"), /* Y11 */
+ PINCTRL_PIN(343, "DTRN"), /* Y12 */
+ PINCTRL_PIN(344, "TDO"), /* Y13 */
+ PINCTRL_PIN(345, "BOOT[0]"), /* Y14 */
+ PINCTRL_PIN(346, "EEDAT"), /* Y15 */
+ PINCTRL_PIN(347, "ASDO"), /* Y16 */
+ PINCTRL_PIN(348, "SFRM1"), /* Y17 */
+ PINCTRL_PIN(349, "RDLED"), /* Y18 */
+ PINCTRL_PIN(350, "USBP[1]"), /* Y19 */
+ PINCTRL_PIN(351, "ABITCLK"), /* Y20 */
+};
+
+static const unsigned int ssp_ep9312_pins[] = {
+ 285, 306, 326, 348,
+};
+
+static const unsigned int ac97_ep9312_pins[] = {
+ 77, 95, 305, 347, 351,
+};
+
+static const unsigned int pwm_ep9312_pins[] = { 74 };
+
+static const unsigned int gpio1a_ep9312_pins[] = { 74 };
+
+static const unsigned int gpio2a_9312_pins[] = {
+ 234, 235, 248, 249, 251, 270, 271, 291,
+};
+
+static const unsigned int gpio3a_9312_pins[] = {
+ 186, 187, 202, 203, 204, 221, 222, 223,
+};
+
+static const unsigned int keypad_9312_pins[] = {
+ 186, 187, 202, 203, 204, 221, 222, 223,
+ 234, 235, 248, 249, 251, 270, 271, 291,
+};
+
+static const unsigned int gpio4a_9312_pins[] = {
+ 78, 301, 302, 321, 322, 342,
+};
+
+static const unsigned int gpio6a_9312_pins[] = {
+ 257, 295, 296, 334,
+};
+
+static const unsigned int gpio7a_9312_pins[] = {
+ 4, 24, 25, 45, 46, 66, 314, 333,
+};
+
+static const unsigned int ide_9312_pins[] = {
+ 78, 301, 302, 321, 322, 342, 257, 295,
+ 296, 334, 4, 24, 25, 45, 46, 66,
+ 314, 333,
+};
+
+static const struct ep93xx_pin_group ep9312_pin_groups[] = {
+ PMX_GROUP("ssp", ssp_ep9312_pins, EP93XX_SYSCON_DEVCFG_I2SONSSP, 0),
+ PMX_GROUP("i2s_on_ssp", ssp_ep9312_pins, EP93XX_SYSCON_DEVCFG_I2SONSSP,
+ EP93XX_SYSCON_DEVCFG_I2SONSSP),
+ PMX_GROUP("pwm1", pwm_ep9312_pins, EP93XX_SYSCON_DEVCFG_PONG,
+ EP93XX_SYSCON_DEVCFG_PONG),
+ PMX_GROUP("gpio1agrp", gpio1a_ep9312_pins, EP93XX_SYSCON_DEVCFG_PONG, 0),
+ PMX_GROUP("ac97", ac97_ep9312_pins, EP93XX_SYSCON_DEVCFG_I2SONAC97, 0),
+ PMX_GROUP("i2s_on_ac97", ac97_ep9312_pins, EP93XX_SYSCON_DEVCFG_I2SONAC97,
+ EP93XX_SYSCON_DEVCFG_I2SONAC97),
+ PMX_GROUP("rasteronsdram0grp", raster_on_sdram0_pins, EP93XX_SYSCON_DEVCFG_RASONP3, 0),
+ PMX_GROUP("rasteronsdram3grp", raster_on_sdram3_pins, EP93XX_SYSCON_DEVCFG_RASONP3,
+ EP93XX_SYSCON_DEVCFG_RASONP3),
+ PMX_GROUP("gpio2agrp", gpio2a_9312_pins, EP93XX_SYSCON_DEVCFG_GONK,
+ EP93XX_SYSCON_DEVCFG_GONK),
+ PMX_GROUP("gpio3agrp", gpio3a_9312_pins, EP93XX_SYSCON_DEVCFG_GONK,
+ EP93XX_SYSCON_DEVCFG_GONK),
+ PMX_GROUP("keypadgrp", keypad_9312_pins, EP93XX_SYSCON_DEVCFG_GONK, 0),
+ PMX_GROUP("gpio4agrp", gpio4a_9312_pins, EP93XX_SYSCON_DEVCFG_EONIDE,
+ EP93XX_SYSCON_DEVCFG_EONIDE),
+ PMX_GROUP("gpio6agrp", gpio6a_9312_pins, EP93XX_SYSCON_DEVCFG_GONIDE,
+ EP93XX_SYSCON_DEVCFG_GONIDE),
+ PMX_GROUP("gpio7agrp", gpio7a_9312_pins, EP93XX_SYSCON_DEVCFG_HONIDE,
+ EP93XX_SYSCON_DEVCFG_HONIDE),
+ PMX_GROUP("idegrp", ide_9312_pins, EP93XX_SYSCON_DEVCFG_EONIDE |
+ EP93XX_SYSCON_DEVCFG_GONIDE | EP93XX_SYSCON_DEVCFG_HONIDE, 0),
+};
+
+static int ep93xx_get_groups_count(struct pinctrl_dev *pctldev)
+{
+ struct ep93xx_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
+
+ switch (pmx->model) {
+ case EP93XX_9301_PINCTRL:
+ return ARRAY_SIZE(ep9301_pin_groups);
+ case EP93XX_9307_PINCTRL:
+ return ARRAY_SIZE(ep9307_pin_groups);
+ case EP93XX_9312_PINCTRL:
+ return ARRAY_SIZE(ep9312_pin_groups);
+ default:
+ return 0;
+ }
+}
+
+static const char *ep93xx_get_group_name(struct pinctrl_dev *pctldev,
+ unsigned int selector)
+{
+ struct ep93xx_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
+
+ switch (pmx->model) {
+ case EP93XX_9301_PINCTRL:
+ return ep9301_pin_groups[selector].grp.name;
+ case EP93XX_9307_PINCTRL:
+ return ep9307_pin_groups[selector].grp.name;
+ case EP93XX_9312_PINCTRL:
+ return ep9312_pin_groups[selector].grp.name;
+ default:
+ return NULL;
+ }
+}
+
+static int ep93xx_get_group_pins(struct pinctrl_dev *pctldev,
+ unsigned int selector,
+ const unsigned int **pins,
+ unsigned int *num_pins)
+{
+ struct ep93xx_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
+
+ switch (pmx->model) {
+ case EP93XX_9301_PINCTRL:
+ *pins = ep9301_pin_groups[selector].grp.pins;
+ *num_pins = ep9301_pin_groups[selector].grp.npins;
+ break;
+ case EP93XX_9307_PINCTRL:
+ *pins = ep9307_pin_groups[selector].grp.pins;
+ *num_pins = ep9307_pin_groups[selector].grp.npins;
+ break;
+ case EP93XX_9312_PINCTRL:
+ *pins = ep9312_pin_groups[selector].grp.pins;
+ *num_pins = ep9312_pin_groups[selector].grp.npins;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct pinctrl_ops ep93xx_pctrl_ops = {
+ .get_groups_count = ep93xx_get_groups_count,
+ .get_group_name = ep93xx_get_group_name,
+ .get_group_pins = ep93xx_get_group_pins,
+ .dt_node_to_map = pinconf_generic_dt_node_to_map_all,
+ .dt_free_map = pinconf_generic_dt_free_map,
+};
+
+static const char * const spigrps[] = { "ssp" };
+static const char * const ac97grps[] = { "ac97" };
+static const char * const i2sgrps[] = { "i2s_on_ssp", "i2s_on_ac97" };
+static const char * const pwm1grps[] = { "pwm1" };
+static const char * const gpiogrps[] = { "gpio1agrp", "gpio2agrp", "gpio3agrp",
+ "gpio4agrp", "gpio6agrp", "gpio7agrp" };
+static const char * const rastergrps[] = { "rasteronsdram0grp", "rasteronsdram3grp"};
+static const char * const keypadgrps[] = { "keypadgrp"};
+static const char * const idegrps[] = { "idegrp"};
+
+static const struct pinfunction ep93xx_pmx_functions[] = {
+ PINCTRL_PINFUNCTION("spi", spigrps, ARRAY_SIZE(spigrps)),
+ PINCTRL_PINFUNCTION("ac97", ac97grps, ARRAY_SIZE(ac97grps)),
+ PINCTRL_PINFUNCTION("i2s", i2sgrps, ARRAY_SIZE(i2sgrps)),
+ PINCTRL_PINFUNCTION("pwm", pwm1grps, ARRAY_SIZE(pwm1grps)),
+ PINCTRL_PINFUNCTION("keypad", keypadgrps, ARRAY_SIZE(keypadgrps)),
+ PINCTRL_PINFUNCTION("pata", idegrps, ARRAY_SIZE(idegrps)),
+ PINCTRL_PINFUNCTION("lcd", rastergrps, ARRAY_SIZE(rastergrps)),
+ PINCTRL_PINFUNCTION("gpio", gpiogrps, ARRAY_SIZE(gpiogrps)),
+};
+
+static int ep93xx_pmx_set_mux(struct pinctrl_dev *pctldev,
+ unsigned int selector,
+ unsigned int group)
+{
+ struct ep93xx_pmx *pmx;
+ const struct pinfunction *func;
+ const struct ep93xx_pin_group *grp;
+ u32 before, after, expected;
+ unsigned long tmp;
+ int i;
+
+ pmx = pinctrl_dev_get_drvdata(pctldev);
+
+ switch (pmx->model) {
+ case EP93XX_9301_PINCTRL:
+ grp = &ep9301_pin_groups[group];
+ break;
+ case EP93XX_9307_PINCTRL:
+ grp = &ep9307_pin_groups[group];
+ break;
+ case EP93XX_9312_PINCTRL:
+ grp = &ep9312_pin_groups[group];
+ break;
+ default:
+ dev_err(pmx->dev, "invalid SoC type\n");
+ return -ENODEV;
+ }
+
+ func = &ep93xx_pmx_functions[selector];
+
+ dev_dbg(pmx->dev,
+ "ACTIVATE function \"%s\" with group \"%s\" (mask=0x%x, value=0x%x)\n",
+ func->name, grp->grp.name, grp->mask, grp->value);
+
+ regmap_read(pmx->map, EP93XX_SYSCON_DEVCFG, &before);
+ ep93xx_pinctrl_update_bits(pmx, EP93XX_SYSCON_DEVCFG,
+ grp->mask, grp->value);
+ regmap_read(pmx->map, EP93XX_SYSCON_DEVCFG, &after);
+
+ dev_dbg(pmx->dev, "before=0x%x, after=0x%x, mask=0x%lx\n",
+ before, after, PADS_MASK);
+
+ /* Which bits changed */
+ before &= PADS_MASK;
+ after &= PADS_MASK;
+ expected = before & ~grp->mask;
+ expected |= grp->value;
+ expected &= PADS_MASK;
+
+ /* Print changed states */
+ tmp = expected ^ after;
+ for_each_set_bit(i, &tmp, PADS_MAXBIT) {
+ bool enabled = expected & BIT(i);
+
+ dev_err(pmx->dev,
+ "pin group %s could not be %s: probably a hardware limitation\n",
+ ep93xx_padgroups[i], str_enabled_disabled(enabled));
+ dev_err(pmx->dev,
+ "DeviceCfg before: %08x, after %08x, expected %08x\n",
+ before, after, expected);
+ }
+
+ return tmp ? -EINVAL : 0;
+};
+
+static int ep93xx_pmx_get_funcs_count(struct pinctrl_dev *pctldev)
+{
+ return ARRAY_SIZE(ep93xx_pmx_functions);
+}
+
+static const char *ep93xx_pmx_get_func_name(struct pinctrl_dev *pctldev,
+ unsigned int selector)
+{
+ return ep93xx_pmx_functions[selector].name;
+}
+
+static int ep93xx_pmx_get_groups(struct pinctrl_dev *pctldev,
+ unsigned int selector,
+ const char * const **groups,
+ unsigned int * const num_groups)
+{
+ *groups = ep93xx_pmx_functions[selector].groups;
+ *num_groups = ep93xx_pmx_functions[selector].ngroups;
+ return 0;
+}
+
+static const struct pinmux_ops ep93xx_pmx_ops = {
+ .get_functions_count = ep93xx_pmx_get_funcs_count,
+ .get_function_name = ep93xx_pmx_get_func_name,
+ .get_function_groups = ep93xx_pmx_get_groups,
+ .set_mux = ep93xx_pmx_set_mux,
+};
+
+static struct pinctrl_desc ep93xx_pmx_desc = {
+ .name = DRIVER_NAME,
+ .pctlops = &ep93xx_pctrl_ops,
+ .pmxops = &ep93xx_pmx_ops,
+ .owner = THIS_MODULE,
+};
+
+static int ep93xx_pmx_probe(struct auxiliary_device *adev,
+ const struct auxiliary_device_id *id)
+{
+ struct ep93xx_regmap_adev *rdev = to_ep93xx_regmap_adev(adev);
+ struct device *dev = &adev->dev;
+ struct ep93xx_pmx *pmx;
+
+ /* Create state holders etc for this driver */
+ pmx = devm_kzalloc(dev, sizeof(*pmx), GFP_KERNEL);
+ if (!pmx)
+ return -ENOMEM;
+
+ pmx->dev = dev;
+ pmx->map = rdev->map;
+ pmx->aux_dev = rdev;
+ pmx->model = (enum ep93xx_pinctrl_model)(uintptr_t)id->driver_data;
+ switch (pmx->model) {
+ case EP93XX_9301_PINCTRL:
+ ep93xx_pmx_desc.pins = ep9301_pins;
+ ep93xx_pmx_desc.npins = ARRAY_SIZE(ep9301_pins);
+ dev_info(dev, "detected 9301/9302 chip variant\n");
+ break;
+ case EP93XX_9307_PINCTRL:
+ ep93xx_pmx_desc.pins = ep9307_pins;
+ ep93xx_pmx_desc.npins = ARRAY_SIZE(ep9307_pins);
+ dev_info(dev, "detected 9307 chip variant\n");
+ break;
+ case EP93XX_9312_PINCTRL:
+ ep93xx_pmx_desc.pins = ep9312_pins;
+ ep93xx_pmx_desc.npins = ARRAY_SIZE(ep9312_pins);
+ dev_info(dev, "detected 9312/9315 chip variant\n");
+ break;
+ default:
+ return dev_err_probe(dev, -EINVAL, "unknown pin control model: %u\n", pmx->model);
+ }
+
+ /* using parent of_node to match in get_pinctrl_dev_from_of_node() */
+ device_set_node(dev, dev_fwnode(adev->dev.parent));
+ pmx->pctl = devm_pinctrl_register(dev, &ep93xx_pmx_desc, pmx);
+ if (IS_ERR(pmx->pctl))
+ return dev_err_probe(dev, PTR_ERR(pmx->pctl), "could not register pinmux driver\n");
+
+ return 0;
+};
+
+static const struct auxiliary_device_id ep93xx_pinctrl_ids[] = {
+ {
+ .name = "soc_ep93xx.pinctrl-ep9301",
+ .driver_data = (kernel_ulong_t)EP93XX_9301_PINCTRL,
+ },
+ {
+ .name = "soc_ep93xx.pinctrl-ep9307",
+ .driver_data = (kernel_ulong_t)EP93XX_9307_PINCTRL,
+ },
+ {
+ .name = "soc_ep93xx.pinctrl-ep9312",
+ .driver_data = (kernel_ulong_t)EP93XX_9312_PINCTRL,
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(auxiliary, ep93xx_pinctrl_ids);
+
+static struct auxiliary_driver ep93xx_pmx_driver = {
+ .probe = ep93xx_pmx_probe,
+ .id_table = ep93xx_pinctrl_ids,
+};
+module_auxiliary_driver(ep93xx_pmx_driver);
diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig
index fece990af4a7..389d5a193e5d 100644
--- a/drivers/power/reset/Kconfig
+++ b/drivers/power/reset/Kconfig
@@ -75,6 +75,16 @@ config POWER_RESET_BRCMSTB
Say Y here if you have a Broadcom STB board and you wish
to have restart support.
+config POWER_RESET_EP93XX
+ bool "Cirrus EP93XX reset driver" if COMPILE_TEST
+ depends on MFD_SYSCON
+ default ARCH_EP93XX
+ help
+ This driver provides restart support for Cirrus EP93XX SoC.
+
+ Say Y here if you have a Cirrus EP93XX SoC and you wish
+ to have restart support.
+
config POWER_RESET_GEMINI_POWEROFF
bool "Cortina Gemini power-off driver"
depends on ARCH_GEMINI || COMPILE_TEST
diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile
index a95d1bd275d1..10782d32e1da 100644
--- a/drivers/power/reset/Makefile
+++ b/drivers/power/reset/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_POWER_RESET_ATC260X) += atc260x-poweroff.o
obj-$(CONFIG_POWER_RESET_AXXIA) += axxia-reset.o
obj-$(CONFIG_POWER_RESET_BRCMKONA) += brcm-kona-reset.o
obj-$(CONFIG_POWER_RESET_BRCMSTB) += brcmstb-reboot.o
+obj-$(CONFIG_POWER_RESET_EP93XX) += ep93xx-restart.o
obj-$(CONFIG_POWER_RESET_GEMINI_POWEROFF) += gemini-poweroff.o
obj-$(CONFIG_POWER_RESET_GPIO) += gpio-poweroff.o
obj-$(CONFIG_POWER_RESET_GPIO_RESTART) += gpio-restart.o
diff --git a/drivers/power/reset/ep93xx-restart.c b/drivers/power/reset/ep93xx-restart.c
new file mode 100644
index 000000000000..57cfb8620faf
--- /dev/null
+++ b/drivers/power/reset/ep93xx-restart.c
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Cirrus EP93xx SoC reset driver
+ *
+ * Copyright (C) 2021 Nikita Shubin <nikita.shubin@maquefel.me>
+ */
+
+#include <linux/bits.h>
+#include <linux/container_of.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/notifier.h>
+#include <linux/reboot.h>
+#include <linux/slab.h>
+
+#include <linux/soc/cirrus/ep93xx.h>
+
+#define EP93XX_SYSCON_DEVCFG 0x80
+#define EP93XX_SYSCON_DEVCFG_SWRST BIT(31)
+
+struct ep93xx_restart {
+ struct ep93xx_regmap_adev *aux_dev;
+ struct notifier_block restart_handler;
+};
+
+static int ep93xx_restart_handle(struct notifier_block *this,
+ unsigned long mode, void *cmd)
+{
+ struct ep93xx_restart *priv =
+ container_of(this, struct ep93xx_restart, restart_handler);
+ struct ep93xx_regmap_adev *aux = priv->aux_dev;
+
+ /* Issue the reboot */
+ aux->update_bits(aux->map, aux->lock, EP93XX_SYSCON_DEVCFG,
+ EP93XX_SYSCON_DEVCFG_SWRST, EP93XX_SYSCON_DEVCFG_SWRST);
+ aux->update_bits(aux->map, aux->lock, EP93XX_SYSCON_DEVCFG,
+ EP93XX_SYSCON_DEVCFG_SWRST, 0);
+
+ return NOTIFY_DONE;
+}
+
+static int ep93xx_reboot_probe(struct auxiliary_device *adev,
+ const struct auxiliary_device_id *id)
+{
+ struct ep93xx_regmap_adev *rdev = to_ep93xx_regmap_adev(adev);
+ struct device *dev = &adev->dev;
+ struct ep93xx_restart *priv;
+ int err;
+
+ if (!rdev->update_bits)
+ return -ENODEV;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->aux_dev = rdev;
+
+ priv->restart_handler.notifier_call = ep93xx_restart_handle;
+ priv->restart_handler.priority = 128;
+
+ err = register_restart_handler(&priv->restart_handler);
+ if (err)
+ return dev_err_probe(dev, err, "can't register restart notifier\n");
+
+ return 0;
+}
+
+static const struct auxiliary_device_id ep93xx_reboot_ids[] = {
+ {
+ .name = "soc_ep93xx.reset-ep93xx",
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(auxiliary, ep93xx_reboot_ids);
+
+static struct auxiliary_driver ep93xx_reboot_driver = {
+ .probe = ep93xx_reboot_probe,
+ .id_table = ep93xx_reboot_ids,
+};
+module_auxiliary_driver(ep93xx_reboot_driver);
diff --git a/drivers/pwm/pwm-ep93xx.c b/drivers/pwm/pwm-ep93xx.c
index 666f2954133c..994f89ac43b4 100644
--- a/drivers/pwm/pwm-ep93xx.c
+++ b/drivers/pwm/pwm-ep93xx.c
@@ -17,6 +17,7 @@
*/
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/clk.h>
@@ -26,8 +27,6 @@
#include <asm/div64.h>
-#include <linux/soc/cirrus/ep93xx.h> /* for ep93xx_pwm_{acquire,release}_gpio() */
-
#define EP93XX_PWMx_TERM_COUNT 0x00
#define EP93XX_PWMx_DUTY_CYCLE 0x04
#define EP93XX_PWMx_ENABLE 0x08
@@ -43,20 +42,6 @@ static inline struct ep93xx_pwm *to_ep93xx_pwm(struct pwm_chip *chip)
return pwmchip_get_drvdata(chip);
}
-static int ep93xx_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
-{
- struct platform_device *pdev = to_platform_device(pwmchip_parent(chip));
-
- return ep93xx_pwm_acquire_gpio(pdev);
-}
-
-static void ep93xx_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
-{
- struct platform_device *pdev = to_platform_device(pwmchip_parent(chip));
-
- ep93xx_pwm_release_gpio(pdev);
-}
-
static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
const struct pwm_state *state)
{
@@ -155,8 +140,6 @@ static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
}
static const struct pwm_ops ep93xx_pwm_ops = {
- .request = ep93xx_pwm_request,
- .free = ep93xx_pwm_free,
.apply = ep93xx_pwm_apply,
};
@@ -188,9 +171,16 @@ static int ep93xx_pwm_probe(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id ep93xx_pwm_of_ids[] = {
+ { .compatible = "cirrus,ep9301-pwm" },
+ { /* sentinel */}
+};
+MODULE_DEVICE_TABLE(of, ep93xx_pwm_of_ids);
+
static struct platform_driver ep93xx_pwm_driver = {
.driver = {
.name = "ep93xx-pwm",
+ .of_match_table = ep93xx_pwm_of_ids,
},
.probe = ep93xx_pwm_probe,
};
diff --git a/drivers/soc/Kconfig b/drivers/soc/Kconfig
index 5d924e946507..6a8daeb8c4b9 100644
--- a/drivers/soc/Kconfig
+++ b/drivers/soc/Kconfig
@@ -7,6 +7,7 @@ source "drivers/soc/aspeed/Kconfig"
source "drivers/soc/atmel/Kconfig"
source "drivers/soc/bcm/Kconfig"
source "drivers/soc/canaan/Kconfig"
+source "drivers/soc/cirrus/Kconfig"
source "drivers/soc/fsl/Kconfig"
source "drivers/soc/fujitsu/Kconfig"
source "drivers/soc/hisilicon/Kconfig"
diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile
index 56f476a12847..2037a8695cb2 100644
--- a/drivers/soc/Makefile
+++ b/drivers/soc/Makefile
@@ -8,6 +8,7 @@ obj-y += aspeed/
obj-$(CONFIG_ARCH_AT91) += atmel/
obj-y += bcm/
obj-$(CONFIG_ARCH_CANAAN) += canaan/
+obj-$(CONFIG_EP93XX_SOC) += cirrus/
obj-$(CONFIG_ARCH_DOVE) += dove/
obj-$(CONFIG_MACH_DOVE) += dove/
obj-y += fsl/
diff --git a/drivers/soc/cirrus/Kconfig b/drivers/soc/cirrus/Kconfig
new file mode 100644
index 000000000000..d8b3b1e68998
--- /dev/null
+++ b/drivers/soc/cirrus/Kconfig
@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+if ARCH_EP93XX
+
+config EP93XX_SOC
+ bool "Cirrus EP93xx chips SoC"
+ select SOC_BUS
+ select AUXILIARY_BUS
+ default y
+ help
+ Enable support SoC for Cirrus EP93xx chips.
+
+ Cirrus EP93xx chips have several swlocked registers,
+ this driver provides locked access for reset, pinctrl
+ and clk devices implemented as auxiliary devices.
+
+endif
diff --git a/drivers/soc/cirrus/Makefile b/drivers/soc/cirrus/Makefile
new file mode 100644
index 000000000000..9e6608b67f76
--- /dev/null
+++ b/drivers/soc/cirrus/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-y += soc-ep93xx.o
diff --git a/drivers/soc/cirrus/soc-ep93xx.c b/drivers/soc/cirrus/soc-ep93xx.c
new file mode 100644
index 000000000000..3e79b3b13aef
--- /dev/null
+++ b/drivers/soc/cirrus/soc-ep93xx.c
@@ -0,0 +1,252 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * SoC driver for Cirrus EP93xx chips.
+ * Copyright (C) 2022 Nikita Shubin <nikita.shubin@maquefel.me>
+ *
+ * Based on a rewrite of arch/arm/mach-ep93xx/core.c
+ * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
+ * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
+ *
+ * Thanks go to Michael Burian and Ray Lehtiniemi for their key
+ * role in the ep93xx Linux community.
+ */
+
+#include <linux/bits.h>
+#include <linux/cleanup.h>
+#include <linux/init.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/of_fdt.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/sys_soc.h>
+
+#include <linux/soc/cirrus/ep93xx.h>
+
+#define EP93XX_SYSCON_DEVCFG 0x80
+
+#define EP93XX_SWLOCK_MAGICK 0xaa
+#define EP93XX_SYSCON_SWLOCK 0xc0
+#define EP93XX_SYSCON_SYSCFG 0x9c
+#define EP93XX_SYSCON_SYSCFG_REV_MASK GENMASK(31, 28)
+#define EP93XX_SYSCON_SYSCFG_REV_SHIFT 28
+
+struct ep93xx_map_info {
+ spinlock_t lock;
+ void __iomem *base;
+ struct regmap *map;
+};
+
+/*
+ * EP93xx System Controller software locked register write
+ *
+ * Logic safeguards are included to condition the control signals for
+ * power connection to the matrix to prevent part damage. In addition, a
+ * software lock register is included that must be written with 0xAA
+ * before each register write to change the values of the four switch
+ * matrix control registers.
+ */
+static void ep93xx_regmap_write(struct regmap *map, spinlock_t *lock,
+ unsigned int reg, unsigned int val)
+{
+ guard(spinlock_irqsave)(lock);
+
+ regmap_write(map, EP93XX_SYSCON_SWLOCK, EP93XX_SWLOCK_MAGICK);
+ regmap_write(map, reg, val);
+}
+
+static void ep93xx_regmap_update_bits(struct regmap *map, spinlock_t *lock,
+ unsigned int reg, unsigned int mask,
+ unsigned int val)
+{
+ guard(spinlock_irqsave)(lock);
+
+ regmap_write(map, EP93XX_SYSCON_SWLOCK, EP93XX_SWLOCK_MAGICK);
+ /* force write is required to clear swlock if no changes are made */
+ regmap_update_bits_base(map, reg, mask, val, NULL, false, true);
+}
+
+static void ep93xx_unregister_adev(void *_adev)
+{
+ struct auxiliary_device *adev = _adev;
+
+ auxiliary_device_delete(adev);
+ auxiliary_device_uninit(adev);
+}
+
+static void ep93xx_adev_release(struct device *dev)
+{
+ struct auxiliary_device *adev = to_auxiliary_dev(dev);
+ struct ep93xx_regmap_adev *rdev = to_ep93xx_regmap_adev(adev);
+
+ kfree(rdev);
+}
+
+static struct auxiliary_device __init *ep93xx_adev_alloc(struct device *parent,
+ const char *name,
+ struct ep93xx_map_info *info)
+{
+ struct ep93xx_regmap_adev *rdev __free(kfree) = NULL;
+ struct auxiliary_device *adev;
+ int ret;
+
+ rdev = kzalloc(sizeof(*rdev), GFP_KERNEL);
+ if (!rdev)
+ return ERR_PTR(-ENOMEM);
+
+ rdev->map = info->map;
+ rdev->base = info->base;
+ rdev->lock = &info->lock;
+ rdev->write = ep93xx_regmap_write;
+ rdev->update_bits = ep93xx_regmap_update_bits;
+
+ adev = &rdev->adev;
+ adev->name = name;
+ adev->dev.parent = parent;
+ adev->dev.release = ep93xx_adev_release;
+
+ ret = auxiliary_device_init(adev);
+ if (ret)
+ return ERR_PTR(ret);
+
+ return &no_free_ptr(rdev)->adev;
+}
+
+static int __init ep93xx_controller_register(struct device *parent, const char *name,
+ struct ep93xx_map_info *info)
+{
+ struct auxiliary_device *adev;
+ int ret;
+
+ adev = ep93xx_adev_alloc(parent, name, info);
+ if (IS_ERR(adev))
+ return PTR_ERR(adev);
+
+ ret = auxiliary_device_add(adev);
+ if (ret) {
+ auxiliary_device_uninit(adev);
+ return ret;
+ }
+
+ return devm_add_action_or_reset(parent, ep93xx_unregister_adev, adev);
+}
+
+static unsigned int __init ep93xx_soc_revision(struct regmap *map)
+{
+ unsigned int val;
+
+ regmap_read(map, EP93XX_SYSCON_SYSCFG, &val);
+ val &= EP93XX_SYSCON_SYSCFG_REV_MASK;
+ val >>= EP93XX_SYSCON_SYSCFG_REV_SHIFT;
+ return val;
+}
+
+static const char __init *ep93xx_get_soc_rev(unsigned int rev)
+{
+ switch (rev) {
+ case EP93XX_CHIP_REV_D0:
+ return "D0";
+ case EP93XX_CHIP_REV_D1:
+ return "D1";
+ case EP93XX_CHIP_REV_E0:
+ return "E0";
+ case EP93XX_CHIP_REV_E1:
+ return "E1";
+ case EP93XX_CHIP_REV_E2:
+ return "E2";
+ default:
+ return "unknown";
+ }
+}
+
+static const char *pinctrl_names[] __initconst = {
+ "pinctrl-ep9301", /* EP93XX_9301_SOC */
+ "pinctrl-ep9307", /* EP93XX_9307_SOC */
+ "pinctrl-ep9312", /* EP93XX_9312_SOC */
+};
+
+static int __init ep93xx_syscon_probe(struct platform_device *pdev)
+{
+ enum ep93xx_soc_model model;
+ struct ep93xx_map_info *map_info;
+ struct soc_device_attribute *attrs;
+ struct soc_device *soc_dev;
+ struct device *dev = &pdev->dev;
+ struct regmap *map;
+ void __iomem *base;
+ unsigned int rev;
+ int ret;
+
+ model = (enum ep93xx_soc_model)(uintptr_t)device_get_match_data(dev);
+
+ map = device_node_to_regmap(dev->of_node);
+ if (IS_ERR(map))
+ return PTR_ERR(map);
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ attrs = devm_kzalloc(dev, sizeof(*attrs), GFP_KERNEL);
+ if (!attrs)
+ return -ENOMEM;
+
+ rev = ep93xx_soc_revision(map);
+
+ attrs->machine = of_flat_dt_get_machine_name();
+ attrs->family = "Cirrus Logic EP93xx";
+ attrs->revision = ep93xx_get_soc_rev(rev);
+
+ soc_dev = soc_device_register(attrs);
+ if (IS_ERR(soc_dev))
+ return PTR_ERR(soc_dev);
+
+ map_info = devm_kzalloc(dev, sizeof(*map_info), GFP_KERNEL);
+ if (!map_info)
+ return -ENOMEM;
+
+ spin_lock_init(&map_info->lock);
+ map_info->map = map;
+ map_info->base = base;
+
+ ret = ep93xx_controller_register(dev, pinctrl_names[model], map_info);
+ if (ret)
+ dev_err(dev, "registering pinctrl controller failed\n");
+
+ /*
+ * EP93xx SSP clock rate was doubled in version E2. For more information
+ * see section 6 "2x SSP (Synchronous Serial Port) Clock – Revision E2 only":
+ * http://www.cirrus.com/en/pubs/appNote/AN273REV4.pdf
+ */
+ if (rev == EP93XX_CHIP_REV_E2)
+ ret = ep93xx_controller_register(dev, "clk-ep93xx.e2", map_info);
+ else
+ ret = ep93xx_controller_register(dev, "clk-ep93xx", map_info);
+ if (ret)
+ dev_err(dev, "registering clock controller failed\n");
+
+ ret = ep93xx_controller_register(dev, "reset-ep93xx", map_info);
+ if (ret)
+ dev_err(dev, "registering reset controller failed\n");
+
+ return 0;
+}
+
+static const struct of_device_id ep9301_syscon_of_device_ids[] = {
+ { .compatible = "cirrus,ep9301-syscon", .data = (void *)EP93XX_9301_SOC },
+ { .compatible = "cirrus,ep9302-syscon", .data = (void *)EP93XX_9301_SOC },
+ { .compatible = "cirrus,ep9307-syscon", .data = (void *)EP93XX_9307_SOC },
+ { .compatible = "cirrus,ep9312-syscon", .data = (void *)EP93XX_9312_SOC },
+ { .compatible = "cirrus,ep9315-syscon", .data = (void *)EP93XX_9312_SOC },
+ { /* sentinel */ }
+};
+
+static struct platform_driver ep9301_syscon_driver = {
+ .driver = {
+ .name = "ep9301-syscon",
+ .of_match_table = ep9301_syscon_of_device_ids,
+ },
+};
+builtin_platform_driver_probe(ep9301_syscon_driver, ep93xx_syscon_probe);
diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c
index a1d60e51c053..dc6bdc74643d 100644
--- a/drivers/spi/spi-ep93xx.c
+++ b/drivers/spi/spi-ep93xx.c
@@ -18,18 +18,18 @@
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/device.h>
+#include <linux/dma-direction.h>
+#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/bitops.h>
#include <linux/interrupt.h>
#include <linux/module.h>
+#include <linux/property.h>
#include <linux/platform_device.h>
#include <linux/sched.h>
#include <linux/scatterlist.h>
#include <linux/spi/spi.h>
-#include <linux/platform_data/dma-ep93xx.h>
-#include <linux/platform_data/spi-ep93xx.h>
-
#define SSPCR0 0x0000
#define SSPCR0_SPO BIT(6)
#define SSPCR0_SPH BIT(7)
@@ -76,8 +76,6 @@
* frame decreases this level and sending one frame increases it.
* @dma_rx: RX DMA channel
* @dma_tx: TX DMA channel
- * @dma_rx_data: RX parameters passed to the DMA engine
- * @dma_tx_data: TX parameters passed to the DMA engine
* @rx_sgt: sg table for RX transfers
* @tx_sgt: sg table for TX transfers
* @zeropage: dummy page used as RX buffer when only TX buffer is passed in by
@@ -92,8 +90,6 @@ struct ep93xx_spi {
size_t fifo_level;
struct dma_chan *dma_rx;
struct dma_chan *dma_tx;
- struct ep93xx_dma_data dma_rx_data;
- struct ep93xx_dma_data dma_tx_data;
struct sg_table rx_sgt;
struct sg_table tx_sgt;
void *zeropage;
@@ -575,46 +571,23 @@ static int ep93xx_spi_unprepare_hardware(struct spi_controller *host)
return 0;
}
-static bool ep93xx_spi_dma_filter(struct dma_chan *chan, void *filter_param)
+static int ep93xx_spi_setup_dma(struct device *dev, struct ep93xx_spi *espi)
{
- if (ep93xx_dma_chan_is_m2p(chan))
- return false;
-
- chan->private = filter_param;
- return true;
-}
-
-static int ep93xx_spi_setup_dma(struct ep93xx_spi *espi)
-{
- dma_cap_mask_t mask;
int ret;
espi->zeropage = (void *)get_zeroed_page(GFP_KERNEL);
if (!espi->zeropage)
return -ENOMEM;
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
-
- espi->dma_rx_data.port = EP93XX_DMA_SSP;
- espi->dma_rx_data.direction = DMA_DEV_TO_MEM;
- espi->dma_rx_data.name = "ep93xx-spi-rx";
-
- espi->dma_rx = dma_request_channel(mask, ep93xx_spi_dma_filter,
- &espi->dma_rx_data);
- if (!espi->dma_rx) {
- ret = -ENODEV;
+ espi->dma_rx = dma_request_chan(dev, "rx");
+ if (IS_ERR(espi->dma_rx)) {
+ ret = dev_err_probe(dev, PTR_ERR(espi->dma_rx), "rx DMA setup failed");
goto fail_free_page;
}
- espi->dma_tx_data.port = EP93XX_DMA_SSP;
- espi->dma_tx_data.direction = DMA_MEM_TO_DEV;
- espi->dma_tx_data.name = "ep93xx-spi-tx";
-
- espi->dma_tx = dma_request_channel(mask, ep93xx_spi_dma_filter,
- &espi->dma_tx_data);
- if (!espi->dma_tx) {
- ret = -ENODEV;
+ espi->dma_tx = dma_request_chan(dev, "tx");
+ if (IS_ERR(espi->dma_tx)) {
+ ret = dev_err_probe(dev, PTR_ERR(espi->dma_tx), "tx DMA setup failed");
goto fail_release_rx;
}
@@ -647,18 +620,11 @@ static void ep93xx_spi_release_dma(struct ep93xx_spi *espi)
static int ep93xx_spi_probe(struct platform_device *pdev)
{
struct spi_controller *host;
- struct ep93xx_spi_info *info;
struct ep93xx_spi *espi;
struct resource *res;
int irq;
int error;
- info = dev_get_platdata(&pdev->dev);
- if (!info) {
- dev_err(&pdev->dev, "missing platform data\n");
- return -EINVAL;
- }
-
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
@@ -713,12 +679,17 @@ static int ep93xx_spi_probe(struct platform_device *pdev)
goto fail_release_host;
}
- if (info->use_dma && ep93xx_spi_setup_dma(espi))
+ error = ep93xx_spi_setup_dma(&pdev->dev, espi);
+ if (error == -EPROBE_DEFER)
+ goto fail_release_host;
+
+ if (error)
dev_warn(&pdev->dev, "DMA setup failed. Falling back to PIO\n");
/* make sure that the hardware is disabled */
writel(0, espi->mmio + SSPCR1);
+ device_set_node(&host->dev, dev_fwnode(&pdev->dev));
error = devm_spi_register_controller(&pdev->dev, host);
if (error) {
dev_err(&pdev->dev, "failed to register SPI host\n");
@@ -746,9 +717,16 @@ static void ep93xx_spi_remove(struct platform_device *pdev)
ep93xx_spi_release_dma(espi);
}
+static const struct of_device_id ep93xx_spi_of_ids[] = {
+ { .compatible = "cirrus,ep9301-spi" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ep93xx_spi_of_ids);
+
static struct platform_driver ep93xx_spi_driver = {
.driver = {
.name = "ep93xx-spi",
+ .of_match_table = ep93xx_spi_of_ids,
},
.probe = ep93xx_spi_probe,
.remove_new = ep93xx_spi_remove,
diff --git a/drivers/watchdog/ts72xx_wdt.c b/drivers/watchdog/ts72xx_wdt.c
index 3d57670befe1..ac709dc31a65 100644
--- a/drivers/watchdog/ts72xx_wdt.c
+++ b/drivers/watchdog/ts72xx_wdt.c
@@ -12,6 +12,7 @@
*/
#include <linux/platform_device.h>
+#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/watchdog.h>
#include <linux/io.h>
@@ -160,10 +161,17 @@ static int ts72xx_wdt_probe(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id ts72xx_wdt_of_ids[] = {
+ { .compatible = "technologic,ts7200-wdt" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ts72xx_wdt_of_ids);
+
static struct platform_driver ts72xx_wdt_driver = {
.probe = ts72xx_wdt_probe,
.driver = {
.name = "ts72xx-wdt",
+ .of_match_table = ts72xx_wdt_of_ids,
},
};