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-rw-r--r--arch/sh/boards/mach-kfr2r09/setup.c217
1 files changed, 103 insertions, 114 deletions
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 6af7777332fc..e59c577ed871 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -1,41 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* KFR2R09 board support code
*
* Copyright (C) 2009 Magnus Damm
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
*/
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/mmc/host.h>
-#include <linux/mfd/tmio.h>
-#include <linux/mtd/physmap.h>
-#include <linux/mtd/onenand.h>
+
+#include <asm/clock.h>
+#include <asm/io.h>
+#include <asm/machvec.h>
+#include <asm/suspend.h>
+
+#include <cpu/sh7724.h>
+
+#include <linux/clkdev.h>
#include <linux/delay.h>
-#include <linux/clk.h>
+#include <linux/dma-mapping.h>
#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
-#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/memblock.h>
+#include <linux/mfd/tmio.h>
+#include <linux/mmc/host.h>
+#include <linux/mtd/onenand.h>
+#include <linux/mtd/physmap.h>
#include <linux/platform_data/lv5207lp.h>
+#include <linux/platform_device.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
+#include <linux/sh_intc.h>
#include <linux/usb/r8a66597.h>
#include <linux/videodev2.h>
-#include <linux/sh_intc.h>
+
+#include <mach/kfr2r09.h>
+
+#include <media/drv-intf/renesas-ceu.h>
#include <media/i2c/rj54n1cb0c.h>
-#include <media/soc_camera.h>
-#include <media/drv-intf/sh_mobile_ceu.h>
+
#include <video/sh_mobile_lcdc.h>
-#include <asm/suspend.h>
-#include <asm/clock.h>
-#include <asm/machvec.h>
-#include <asm/io.h>
-#include <cpu/sh7724.h>
-#include <mach/kfr2r09.h>
+
+#define CEU_BUFFER_MEMORY_SIZE (4 << 20)
+static phys_addr_t ceu_dma_membase;
+
+/* set VIO_CKO clock to 25MHz */
+#define CEU_MCLK_FREQ 25000000
+#define DRVCRB 0xA405018C
static struct mtd_partition kfr2r09_nor_flash_partitions[] =
{
@@ -230,8 +242,17 @@ static struct platform_device kfr2r09_usb0_gadget_device = {
.resource = kfr2r09_usb0_gadget_resources,
};
-static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
- .flags = SH_CEU_FLAG_USE_8BIT_BUS,
+static struct ceu_platform_data ceu_pdata = {
+ .num_subdevs = 1,
+ .subdevs = {
+ { /* [0] = rj54n1cb0c */
+ .flags = 0,
+ .bus_width = 8,
+ .bus_shift = 0,
+ .i2c_adapter_id = 1,
+ .i2c_address = 0x50,
+ },
+ },
};
static struct resource kfr2r09_ceu_resources[] = {
@@ -246,109 +267,35 @@ static struct resource kfr2r09_ceu_resources[] = {
.end = evt2irq(0x880),
.flags = IORESOURCE_IRQ,
},
- [2] = {
- /* place holder for contiguous memory */
- },
};
static struct platform_device kfr2r09_ceu_device = {
- .name = "sh_mobile_ceu",
+ .name = "renesas-ceu",
.id = 0, /* "ceu0" clock */
.num_resources = ARRAY_SIZE(kfr2r09_ceu_resources),
.resource = kfr2r09_ceu_resources,
.dev = {
- .platform_data = &sh_mobile_ceu_info,
+ .platform_data = &ceu_pdata,
},
};
-static struct i2c_board_info kfr2r09_i2c_camera = {
- I2C_BOARD_INFO("rj54n1cb0c", 0x50),
-};
-
-static struct clk *camera_clk;
-
-/* set VIO_CKO clock to 25MHz */
-#define CEU_MCLK_FREQ 25000000
-
-#define DRVCRB 0xA405018C
-static int camera_power(struct device *dev, int mode)
-{
- int ret;
-
- if (mode) {
- long rate;
-
- camera_clk = clk_get(NULL, "video_clk");
- if (IS_ERR(camera_clk))
- return PTR_ERR(camera_clk);
-
- rate = clk_round_rate(camera_clk, CEU_MCLK_FREQ);
- ret = clk_set_rate(camera_clk, rate);
- if (ret < 0)
- goto eclkrate;
-
- /* set DRVCRB
- *
- * use 1.8 V for VccQ_VIO
- * use 2.85V for VccQ_SR
- */
- __raw_writew((__raw_readw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
-
- /* reset clear */
- ret = gpio_request(GPIO_PTB4, NULL);
- if (ret < 0)
- goto eptb4;
- ret = gpio_request(GPIO_PTB7, NULL);
- if (ret < 0)
- goto eptb7;
-
- ret = gpio_direction_output(GPIO_PTB4, 1);
- if (!ret)
- ret = gpio_direction_output(GPIO_PTB7, 1);
- if (ret < 0)
- goto egpioout;
- msleep(1);
-
- ret = clk_enable(camera_clk); /* start VIO_CKO */
- if (ret < 0)
- goto eclkon;
-
- return 0;
- }
-
- ret = 0;
-
- clk_disable(camera_clk);
-eclkon:
- gpio_set_value(GPIO_PTB7, 0);
-egpioout:
- gpio_set_value(GPIO_PTB4, 0);
- gpio_free(GPIO_PTB7);
-eptb7:
- gpio_free(GPIO_PTB4);
-eptb4:
-eclkrate:
- clk_put(camera_clk);
- return ret;
-}
-
static struct rj54n1_pdata rj54n1_priv = {
.mclk_freq = CEU_MCLK_FREQ,
.ioctl_high = false,
};
-static struct soc_camera_link rj54n1_link = {
- .power = camera_power,
- .board_info = &kfr2r09_i2c_camera,
- .i2c_adapter_id = 1,
- .priv = &rj54n1_priv,
+static struct i2c_board_info kfr2r09_i2c_camera = {
+ I2C_BOARD_INFO("rj54n1cb0c", 0x50),
+ .platform_data = &rj54n1_priv,
};
-static struct platform_device kfr2r09_camera = {
- .name = "soc-camera-pdrv",
- .id = 0,
- .dev = {
- .platform_data = &rj54n1_link,
+static struct gpiod_lookup_table rj54n1_gpios = {
+ .dev_id = "1-0050",
+ .table = {
+ GPIO_LOOKUP("sh7724_pfc", GPIO_PTB4, "poweron",
+ GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("sh7724_pfc", GPIO_PTB7, "enable",
+ GPIO_ACTIVE_HIGH),
},
};
@@ -393,8 +340,6 @@ static struct platform_device *kfr2r09_devices[] __initdata = {
&kfr2r09_nand_flash_device,
&kfr2r09_sh_keysc_device,
&kfr2r09_sh_lcdc_device,
- &kfr2r09_ceu_device,
- &kfr2r09_camera,
&kfr2r09_sh_sdhi0_device,
};
@@ -533,6 +478,8 @@ extern char kfr2r09_sdram_leave_end;
static int __init kfr2r09_devices_setup(void)
{
+ static struct clk *camera_clk;
+
/* register board specific self-refresh code */
sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
SUSP_SH_RSTANDBY,
@@ -622,8 +569,6 @@ static int __init kfr2r09_devices_setup(void)
gpio_request(GPIO_FN_VIO0_D1, NULL);
gpio_request(GPIO_FN_VIO0_D0, NULL);
- platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20);
-
/* SDHI0 connected to yc304 */
gpio_request(GPIO_FN_SDHI0CD, NULL);
gpio_request(GPIO_FN_SDHI0D3, NULL);
@@ -635,6 +580,36 @@ static int __init kfr2r09_devices_setup(void)
i2c_register_board_info(0, &kfr2r09_backlight_board_info, 1);
+ /* Set camera clock frequency and register and alias for rj54n1. */
+ camera_clk = clk_get(NULL, "video_clk");
+ if (!IS_ERR(camera_clk)) {
+ clk_set_rate(camera_clk,
+ clk_round_rate(camera_clk, CEU_MCLK_FREQ));
+ clk_put(camera_clk);
+ }
+ clk_add_alias(NULL, "1-0050", "video_clk", NULL);
+
+ /* set DRVCRB
+ *
+ * use 1.8 V for VccQ_VIO
+ * use 2.85V for VccQ_SR
+ */
+ __raw_writew((__raw_readw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
+
+ gpiod_add_lookup_table(&rj54n1_gpios);
+
+ i2c_register_board_info(1, &kfr2r09_i2c_camera, 1);
+
+ /* Initialize CEU platform device separately to map memory first */
+ device_initialize(&kfr2r09_ceu_device.dev);
+ arch_setup_pdev_archdata(&kfr2r09_ceu_device);
+ dma_declare_coherent_memory(&kfr2r09_ceu_device.dev,
+ ceu_dma_membase, ceu_dma_membase,
+ ceu_dma_membase + CEU_BUFFER_MEMORY_SIZE - 1,
+ DMA_MEMORY_EXCLUSIVE);
+
+ platform_device_add(&kfr2r09_ceu_device);
+
return platform_add_devices(kfr2r09_devices,
ARRAY_SIZE(kfr2r09_devices));
}
@@ -651,10 +626,24 @@ static int kfr2r09_mode_pins(void)
return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
}
+/* Reserve a portion of memory for CEU buffers */
+static void __init kfr2r09_mv_mem_reserve(void)
+{
+ phys_addr_t phys;
+ phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
+
+ phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE);
+ memblock_free(phys, size);
+ memblock_remove(phys, size);
+
+ ceu_dma_membase = phys;
+}
+
/*
* The Machine Vector
*/
static struct sh_machine_vector mv_kfr2r09 __initmv = {
.mv_name = "kfr2r09",
.mv_mode_pins = kfr2r09_mode_pins,
+ .mv_mem_reserve = kfr2r09_mv_mem_reserve,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 19:00:53 +0100