diff options
24 files changed, 1580 insertions, 41 deletions
diff --git a/Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pipllct.yaml b/Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pipllct.yaml new file mode 100644 index 000000000000..7b7300ce96d6 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pipllct.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/toshiba,tmpv770x-pipllct.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Toshiba Visconti5 TMPV770X PLL Controller Device Tree Bindings + +maintainers: + - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> + +description: + Toshia Visconti5 PLL controller which supports the PLLs on TMPV770X. + +properties: + compatible: + const: toshiba,tmpv7708-pipllct + + reg: + maxItems: 1 + + '#clock-cells': + const: 1 + + clocks: + description: External reference clock (OSC2) + maxItems: 1 + +required: + - compatible + - reg + - "#clock-cells" + - clocks + +additionalProperties: false + +examples: + - | + + osc2_clk: osc2-clk { + compatible = "fixed-clock"; + clock-frequency = <20000000>; + #clock-cells = <0>; + }; + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pipllct: clock-controller@24220000 { + compatible = "toshiba,tmpv7708-pipllct"; + reg = <0 0x24220000 0 0x820>; + #clock-cells = <1>; + clocks = <&osc2_clk>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pismu.yaml b/Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pismu.yaml new file mode 100644 index 000000000000..ed79f16fe6bc --- /dev/null +++ b/Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pismu.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/toshiba,tmpv770x-pismu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Toshiba Visconti5 TMPV770x SMU controller Device Tree Bindings + +maintainers: + - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> + +description: + Toshia Visconti5 SMU (System Management Unit) which supports the clock + and resets on TMPV770x. + +properties: + compatible: + items: + - const: toshiba,tmpv7708-pismu + - const: syscon + + reg: + maxItems: 1 + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + +required: + - compatible + - reg + - "#clock-cells" + - "#reset-cells" + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + pismu: syscon@24200000 { + compatible = "toshiba,tmpv7708-pismu", "syscon"; + reg = <0 0x24200000 0 0x2140>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index e58e0eec6ff0..99f2a312ae32 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2782,12 +2782,15 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/iwamatsu/linux-visconti.git F: Documentation/devicetree/bindings/arm/toshiba.yaml +F: Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pipllct.yaml +F: Documentation/devicetree/bindings/clock/toshiba,tmpv770x-pismu.yaml F: Documentation/devicetree/bindings/net/toshiba,visconti-dwmac.yaml F: Documentation/devicetree/bindings/gpio/toshiba,gpio-visconti.yaml F: Documentation/devicetree/bindings/pci/toshiba,visconti-pcie.yaml F: Documentation/devicetree/bindings/pinctrl/toshiba,visconti-pinctrl.yaml F: Documentation/devicetree/bindings/watchdog/toshiba,visconti-wdt.yaml F: arch/arm64/boot/dts/toshiba/ +F: drivers/clk/visconti/ F: drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c F: drivers/gpio/gpio-visconti.c F: drivers/pci/controller/dwc/pcie-visconti.c diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 73243ce10107..b23c56ab4d68 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -354,16 +354,6 @@ config COMMON_CLK_STM32MP157 help Support for stm32mp157 SoC family clocks -config COMMON_CLK_STM32MP157_SCMI - bool "stm32mp157 Clock driver with Trusted Firmware" - depends on COMMON_CLK_STM32MP157 - select COMMON_CLK_SCMI - select ARM_SCMI_PROTOCOL - default y - help - Support for stm32mp157 SoC family clocks with Trusted Firmware using - SCMI protocol. - config COMMON_CLK_STM32F def_bool COMMON_CLK && (MACH_STM32F429 || MACH_STM32F469 || MACH_STM32F746) help @@ -432,6 +422,7 @@ source "drivers/clk/sunxi-ng/Kconfig" source "drivers/clk/tegra/Kconfig" source "drivers/clk/ti/Kconfig" source "drivers/clk/uniphier/Kconfig" +source "drivers/clk/visconti/Kconfig" source "drivers/clk/x86/Kconfig" source "drivers/clk/xilinx/Kconfig" source "drivers/clk/zynqmp/Kconfig" diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 154bf3c6f1ae..5a984e4134a8 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -118,6 +118,7 @@ obj-y += ti/ obj-$(CONFIG_CLK_UNIPHIER) += uniphier/ obj-$(CONFIG_ARCH_U8500) += ux500/ obj-y += versatile/ +obj-$(CONFIG_COMMON_CLK_VISCONTI) += visconti/ ifeq ($(CONFIG_COMMON_CLK), y) obj-$(CONFIG_X86) += x86/ endif diff --git a/drivers/clk/clk-bm1880.c b/drivers/clk/clk-bm1880.c index e6d6599d310a..fad78a22218e 100644 --- a/drivers/clk/clk-bm1880.c +++ b/drivers/clk/clk-bm1880.c @@ -522,14 +522,6 @@ static struct clk_hw *bm1880_clk_register_pll(struct bm1880_pll_hw_clock *pll_cl return hw; } -static void bm1880_clk_unregister_pll(struct clk_hw *hw) -{ - struct bm1880_pll_hw_clock *pll_hw = to_bm1880_pll_clk(hw); - - clk_hw_unregister(hw); - kfree(pll_hw); -} - static int bm1880_clk_register_plls(struct bm1880_pll_hw_clock *clks, int num_clks, struct bm1880_clock_data *data) @@ -555,7 +547,7 @@ static int bm1880_clk_register_plls(struct bm1880_pll_hw_clock *clks, err_clk: while (i--) - bm1880_clk_unregister_pll(data->hw_data.hws[clks[i].pll.id]); + clk_hw_unregister(data->hw_data.hws[clks[i].pll.id]); return PTR_ERR(hw); } @@ -695,14 +687,6 @@ static struct clk_hw *bm1880_clk_register_div(struct bm1880_div_hw_clock *div_cl return hw; } -static void bm1880_clk_unregister_div(struct clk_hw *hw) -{ - struct bm1880_div_hw_clock *div_hw = to_bm1880_div_clk(hw); - - clk_hw_unregister(hw); - kfree(div_hw); -} - static int bm1880_clk_register_divs(struct bm1880_div_hw_clock *clks, int num_clks, struct bm1880_clock_data *data) @@ -729,7 +713,7 @@ static int bm1880_clk_register_divs(struct bm1880_div_hw_clock *clks, err_clk: while (i--) - bm1880_clk_unregister_div(data->hw_data.hws[clks[i].div.id]); + clk_hw_unregister(data->hw_data.hws[clks[i].div.id]); return PTR_ERR(hw); } diff --git a/drivers/clk/socfpga/clk-agilex.c b/drivers/clk/socfpga/clk-agilex.c index bf8cd928c228..74d21bd82710 100644 --- a/drivers/clk/socfpga/clk-agilex.c +++ b/drivers/clk/socfpga/clk-agilex.c @@ -500,12 +500,10 @@ static int n5x_clkmgr_init(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; struct stratix10_clock_data *clk_data; - struct resource *res; void __iomem *base; int i, num_clks; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - base = devm_ioremap_resource(dev, res); + base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base); diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c index 1ec9678d8cd3..53d6e3ec4309 100644 --- a/drivers/clk/socfpga/clk-gate.c +++ b/drivers/clk/socfpga/clk-gate.c @@ -34,7 +34,7 @@ static u8 socfpga_clk_get_parent(struct clk_hw *hwclk) if (streq(name, SOCFPGA_L4_MP_CLK)) { l4_src = readl(clk_mgr_base_addr + CLKMGR_L4SRC); - return l4_src &= 0x1; + return l4_src & 0x1; } if (streq(name, SOCFPGA_L4_SP_CLK)) { l4_src = readl(clk_mgr_base_addr + CLKMGR_L4SRC); @@ -43,7 +43,7 @@ static u8 socfpga_clk_get_parent(struct clk_hw *hwclk) perpll_src = readl(clk_mgr_base_addr + CLKMGR_PERPLL_SRC); if (streq(name, SOCFPGA_MMC_CLK)) - return perpll_src &= 0x3; + return perpll_src & 0x3; if (streq(name, SOCFPGA_NAND_CLK) || streq(name, SOCFPGA_NAND_X_CLK)) return (perpll_src >> 2) & 3; diff --git a/drivers/clk/socfpga/clk-pll-s10.c b/drivers/clk/socfpga/clk-pll-s10.c index 70076a80149d..e444e4a0ee53 100644 --- a/drivers/clk/socfpga/clk-pll-s10.c +++ b/drivers/clk/socfpga/clk-pll-s10.c @@ -113,7 +113,7 @@ static unsigned long clk_boot_clk_recalc_rate(struct clk_hw *hwclk, SWCTRLBTCLKSEL_MASK) >> SWCTRLBTCLKSEL_SHIFT); div += 1; - return parent_rate /= div; + return parent_rate / div; } diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c index b532d51faaee..4e508a844b3d 100644 --- a/drivers/clk/socfpga/clk-s10.c +++ b/drivers/clk/socfpga/clk-s10.c @@ -388,12 +388,10 @@ static int s10_clkmgr_init(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; struct stratix10_clock_data *clk_data; - struct resource *res; void __iomem *base; int i, num_clks; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - base = devm_ioremap_resource(dev, res); + base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) { pr_err("%s: failed to map clock registers\n", __func__); return PTR_ERR(base); diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c index 164285d6be97..582a22c04919 100644 --- a/drivers/clk/st/clkgen-fsyn.c +++ b/drivers/clk/st/clkgen-fsyn.c @@ -988,9 +988,18 @@ static void __init st_of_quadfs_setup(struct device_node *np, void __iomem *reg; spinlock_t *lock; + /* + * First check for reg property within the node to keep backward + * compatibility, then if reg doesn't exist look at the parent node + */ reg = of_iomap(np, 0); - if (!reg) - return; + if (!reg) { + reg = of_iomap(of_get_parent(np), 0); + if (!reg) { + pr_err("%s: Failed to get base address\n", __func__); + return; + } + } clk_parent_name = of_clk_get_parent_name(np, 0); if (!clk_parent_name) diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c index ce583ded968a..ee39af7a0b72 100644 --- a/drivers/clk/st/clkgen-mux.c +++ b/drivers/clk/st/clkgen-mux.c @@ -57,10 +57,17 @@ static void __init st_of_clkgen_mux_setup(struct device_node *np, const char **parents; int num_parents = 0; + /* + * First check for reg property within the node to keep backward + * compatibility, then if reg doesn't exist look at the parent node + */ reg = of_iomap(np, 0); if (!reg) { - pr_err("%s: Failed to get base address\n", __func__); - return; + reg = of_iomap(of_get_parent(np), 0); + if (!reg) { + pr_err("%s: Failed to get base address\n", __func__); + return; + } } parents = clkgen_mux_get_parents(np, &num_parents); diff --git a/drivers/clk/visconti/Kconfig b/drivers/clk/visconti/Kconfig new file mode 100644 index 000000000000..1661097b0d92 --- /dev/null +++ b/drivers/clk/visconti/Kconfig @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0-only + +config COMMON_CLK_VISCONTI + bool "Support for Toshiba Visconti5 ARM SoC clock controllers" + depends on ARCH_VISCONTI || COMPILE_TEST + default ARCH_VISCONTI + help + Support for the Toshiba Visconti5 ARM SoC clock controller. + Say Y if you want to include clock support. diff --git a/drivers/clk/visconti/Makefile b/drivers/clk/visconti/Makefile new file mode 100644 index 000000000000..c1254fd52b31 --- /dev/null +++ b/drivers/clk/visconti/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0-only +# Makefile for Toshiba Visconti clock + +obj-y += clkc.o pll.o reset.o +obj-y += pll-tmpv770x.o clkc-tmpv770x.o diff --git a/drivers/clk/visconti/clkc-tmpv770x.c b/drivers/clk/visconti/clkc-tmpv770x.c new file mode 100644 index 000000000000..c2b2f41a85a4 --- /dev/null +++ b/drivers/clk/visconti/clkc-tmpv770x.c @@ -0,0 +1,291 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Toshiba Visconti clock controller + * + * Copyright (c) 2021 TOSHIBA CORPORATION + * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation + * + * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> + */ + +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +#include <dt-bindings/clock/toshiba,tmpv770x.h> +#include <dt-bindings/reset/toshiba,tmpv770x.h> + +#include "clkc.h" +#include "reset.h" + +static DEFINE_SPINLOCK(tmpv770x_clk_lock); +static DEFINE_SPINLOCK(tmpv770x_rst_lock); + +static const struct clk_parent_data clks_parent_data[] = { + { .fw_name = "pipll1", .name = "pipll1", }, +}; + +static const struct clk_parent_data pietherplls_parent_data[] = { + { .fw_name = "pietherpll", .name = "pietherpll", }, +}; + +static const struct visconti_fixed_clk fixed_clk_tables[] = { + /* PLL1 */ + /* PICMPT0/1, PITSC, PIUWDT, PISWDT, PISBUS, PIPMU, PIGPMU, PITMU */ + /* PIEMM, PIMISC, PIGCOMM, PIDCOMM, PIMBUS, PIGPIO, PIPGM */ + { TMPV770X_CLK_PIPLL1_DIV4, "pipll1_div4", "pipll1", 0, 1, 4, }, + /* PISBUS */ + { TMPV770X_CLK_PIPLL1_DIV2, "pipll1_div2", "pipll1", 0, 1, 2, }, + /* PICOBUS_CLK */ + { TMPV770X_CLK_PIPLL1_DIV1, "pipll1_div1", "pipll1", 0, 1, 1, }, + /* PIDNNPLL */ + /* CONN_CLK, PIMBUS, PICRC0/1 */ + { TMPV770X_CLK_PIDNNPLL_DIV1, "pidnnpll_div1", "pidnnpll", 0, 1, 1, }, + { TMPV770X_CLK_PIREFCLK, "pirefclk", "osc2-clk", 0, 1, 1, }, + { TMPV770X_CLK_WDTCLK, "wdtclk", "osc2-clk", 0, 1, 1, }, +}; + +static const struct visconti_clk_gate_table pietherpll_clk_gate_tables[] = { + /* pietherpll */ + { TMPV770X_CLK_PIETHER_2P5M, "piether_2p5m", + pietherplls_parent_data, ARRAY_SIZE(pietherplls_parent_data), + CLK_SET_RATE_PARENT, 0x34, 0x134, 4, 200, + TMPV770X_RESET_PIETHER_2P5M, }, + { TMPV770X_CLK_PIETHER_25M, "piether_25m", + pietherplls_parent_data, ARRAY_SIZE(pietherplls_parent_data), + CLK_SET_RATE_PARENT, 0x34, 0x134, 5, 20, + TMPV770X_RESET_PIETHER_25M, }, + { TMPV770X_CLK_PIETHER_50M, "piether_50m", + pietherplls_parent_data, ARRAY_SIZE(pietherplls_parent_data), + CLK_SET_RATE_PARENT, 0x34, 0x134, 6, 10, + TMPV770X_RESET_PIETHER_50M, }, + { TMPV770X_CLK_PIETHER_125M, "piether_125m", + pietherplls_parent_data, ARRAY_SIZE(pietherplls_parent_data), + CLK_SET_RATE_PARENT, 0x34, 0x134, 7, 4, + TMPV770X_RESET_PIETHER_125M, }, +}; + +static const struct visconti_clk_gate_table clk_gate_tables[] = { + { TMPV770X_CLK_HOX, "hox", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0x4c, 0x14c, 0, 1, + TMPV770X_RESET_HOX, }, + { TMPV770X_CLK_PCIE_MSTR, "pcie_mstr", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0x38, 0x138, 0, 1, + TMPV770X_RESET_PCIE_MSTR, }, + { TMPV770X_CLK_PCIE_AUX, "pcie_aux", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0x38, 0x138, 1, 24, + TMPV770X_RESET_PCIE_AUX, }, + { TMPV770X_CLK_PIINTC, "piintc", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + CLK_IGNORE_UNUSED, 0x8, 0x108, 0, 2, //FIX!! + TMPV770X_RESET_PIINTC,}, + { TMPV770X_CLK_PIETHER_BUS, "piether_bus", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x34, 0x134, 0, 2, + TMPV770X_RESET_PIETHER_BUS, }, /* BUS_CLK */ + { TMPV770X_CLK_PISPI0, "pispi0", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x28, 0x128, 0, 2, + TMPV770X_RESET_PISPI0, }, + { TMPV770X_CLK_PISPI1, "pispi1", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x28, 0x128, 1, 2, + TMPV770X_RESET_PISPI1, }, + { TMPV770X_CLK_PISPI2, "pispi2", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x28, 0x128, 2, 2, + TMPV770X_RESET_PISPI2, }, + { TMPV770X_CLK_PISPI3, "pispi3", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x28, 0x128, 3, 2, + TMPV770X_RESET_PISPI3,}, + { TMPV770X_CLK_PISPI4, "pispi4", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x28, 0x128, 4, 2, + TMPV770X_RESET_PISPI4, }, + { TMPV770X_CLK_PISPI5, "pispi5", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x28, 0x128, 5, 2, + TMPV770X_RESET_PISPI5}, + { TMPV770X_CLK_PISPI6, "pispi6", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x28, 0x128, 6, 2, + TMPV770X_RESET_PISPI6,}, + { TMPV770X_CLK_PIUART0, "piuart0", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + //CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0x2c, 0x12c, 0, 4, + 0, 0x2c, 0x12c, 0, 4, + TMPV770X_RESET_PIUART0,}, + { TMPV770X_CLK_PIUART1, "piuart1", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + //CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0x2c, 0x12c, 1, 4, + 0, 0x2c, 0x12c, 1, 4, + TMPV770X_RESET_PIUART1, }, + { TMPV770X_CLK_PIUART2, "piuart2", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x2c, 0x12c, 2, 4, + TMPV770X_RESET_PIUART2, }, + { TMPV770X_CLK_PIUART3, "piuart3", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x2c, 0x12c, 3, 4, + TMPV770X_RESET_PIUART3, }, + { TMPV770X_CLK_PII2C0, "pii2c0", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x30, 0x130, 0, 4, + TMPV770X_RESET_PII2C0, }, + { TMPV770X_CLK_PII2C1, "pii2c1", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x30, 0x130, 1, 4, + TMPV770X_RESET_PII2C1, }, + { TMPV770X_CLK_PII2C2, "pii2c2", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x30, 0x130, 2, 4, + TMPV770X_RESET_PII2C2, }, + { TMPV770X_CLK_PII2C3, "pii2c3", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x30, 0x130, 3, 4, + TMPV770X_RESET_PII2C3,}, + { TMPV770X_CLK_PII2C4, "pii2c4", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x30, 0x130, 4, 4, + TMPV770X_RESET_PII2C4, }, + { TMPV770X_CLK_PII2C5, "pii2c5", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x30, 0x130, 5, 4, + TMPV770X_RESET_PII2C5, }, + { TMPV770X_CLK_PII2C6, "pii2c6", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x30, 0x130, 6, 4, + TMPV770X_RESET_PII2C6, }, + { TMPV770X_CLK_PII2C7, "pii2c7", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x30, 0x130, 7, 4, + TMPV770X_RESET_PII2C7, }, + { TMPV770X_CLK_PII2C8, "pii2c8", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x30, 0x130, 8, 4, + TMPV770X_RESET_PII2C8, }, + /* PIPCMIF */ + { TMPV770X_CLK_PIPCMIF, "pipcmif", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x64, 0x164, 0, 4, + TMPV770X_RESET_PIPCMIF, }, + /* PISYSTEM */ + { TMPV770X_CLK_WRCK, "wrck", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x68, 0x168, 9, 32, + -1, }, /* No reset */ + { TMPV770X_CLK_PICKMON, "pickmon", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x10, 0x110, 8, 4, + TMPV770X_RESET_PICKMON, }, + { TMPV770X_CLK_SBUSCLK, "sbusclk", + clks_parent_data, ARRAY_SIZE(clks_parent_data), + 0, 0x14, 0x114, 0, 4, + TMPV770X_RESET_SBUSCLK, }, +}; + +static const struct visconti_reset_data clk_reset_data[] = { + [TMPV770X_RESET_PIETHER_2P5M] = { 0x434, 0x534, 4, }, + [TMPV770X_RESET_PIETHER_25M] = { 0x434, 0x534, 5, }, + [TMPV770X_RESET_PIETHER_50M] = { 0x434, 0x534, 6, }, + [TMPV770X_RESET_PIETHER_125M] = { 0x434, 0x534, 7, }, + [TMPV770X_RESET_HOX] = { 0x44c, 0x54c, 0, }, + [TMPV770X_RESET_PCIE_MSTR] = { 0x438, 0x538, 0, }, + [TMPV770X_RESET_PCIE_AUX] = { 0x438, 0x538, 1, }, + [TMPV770X_RESET_PIINTC] = { 0x408, 0x508, 0, }, + [TMPV770X_RESET_PIETHER_BUS] = { 0x434, 0x534, 0, }, + [TMPV770X_RESET_PISPI0] = { 0x428, 0x528, 0, }, + [TMPV770X_RESET_PISPI1] = { 0x428, 0x528, 1, }, + [TMPV770X_RESET_PISPI2] = { 0x428, 0x528, 2, }, + [TMPV770X_RESET_PISPI3] = { 0x428, 0x528, 3, }, + [TMPV770X_RESET_PISPI4] = { 0x428, 0x528, 4, }, + [TMPV770X_RESET_PISPI5] = { 0x428, 0x528, 5, }, + [TMPV770X_RESET_PISPI6] = { 0x428, 0x528, 6, }, + [TMPV770X_RESET_PIUART0] = { 0x42c, 0x52c, 0, }, + [TMPV770X_RESET_PIUART1] = { 0x42c, 0x52c, 1, }, + [TMPV770X_RESET_PIUART2] = { 0x42c, 0x52c, 2, }, + [TMPV770X_RESET_PIUART3] = { 0x42c, 0x52c, 3, }, + [TMPV770X_RESET_PII2C0] = { 0x430, 0x530, 0, }, + [TMPV770X_RESET_PII2C1] = { 0x430, 0x530, 1, }, + [TMPV770X_RESET_PII2C2] = { 0x430, 0x530, 2, }, + [TMPV770X_RESET_PII2C3] = { 0x430, 0x530, 3, }, + [TMPV770X_RESET_PII2C4] = { 0x430, 0x530, 4, }, + [TMPV770X_RESET_PII2C5] = { 0x430, 0x530, 5, }, + [TMPV770X_RESET_PII2C6] = { 0x430, 0x530, 6, }, + [TMPV770X_RESET_PII2C7] = { 0x430, 0x530, 7, }, + [TMPV770X_RESET_PII2C8] = { 0x430, 0x530, 8, }, + [TMPV770X_RESET_PIPCMIF] = { 0x464, 0x564, 0, }, + [TMPV770X_RESET_PICKMON] = { 0x410, 0x510, 8, }, + [TMPV770X_RESET_SBUSCLK] = { 0x414, 0x514, 0, }, +}; + +static int visconti_clk_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct visconti_clk_provider *ctx; + struct device *dev = &pdev->dev; + struct regmap *regmap; + int ret, i; + + regmap = syscon_node_to_regmap(np); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + ctx = visconti_init_clk(dev, regmap, TMPV770X_NR_CLK); + if (IS_ERR(ctx)) + return PTR_ERR(ctx); + + ret = visconti_register_reset_controller(dev, regmap, clk_reset_data, + TMPV770X_NR_RESET, + &visconti_reset_ops, + &tmpv770x_rst_lock); + if (ret) { + dev_err(dev, "Failed to register reset controller: %d\n", ret); + return ret; + } + + for (i = 0; i < (ARRAY_SIZE(fixed_clk_tables)); i++) + ctx->clk_data.hws[fixed_clk_tables[i].id] = + clk_hw_register_fixed_factor(NULL, + fixed_clk_tables[i].name, + fixed_clk_tables[i].parent, + fixed_clk_tables[i].flag, + fixed_clk_tables[i].mult, + fixed_clk_tables[i].div); + + ret = visconti_clk_register_gates(ctx, clk_gate_tables, + ARRAY_SIZE(clk_gate_tables), clk_reset_data, + &tmpv770x_clk_lock); + if (ret) { + dev_err(dev, "Failed to register main clock gate: %d\n", ret); + return ret; + } + + ret = visconti_clk_register_gates(ctx, pietherpll_clk_gate_tables, + ARRAY_SIZE(pietherpll_clk_gate_tables), + clk_reset_data, &tmpv770x_clk_lock); + if (ret) { + dev_err(dev, "Failed to register pietherpll clock gate: %d\n", ret); + return ret; + } + + return of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &ctx->clk_data); +} + +static const struct of_device_id visconti_clk_ids[] = { + { .compatible = "toshiba,tmpv7708-pismu", }, + { } +}; + +static struct platform_driver visconti_clk_driver = { + .probe = visconti_clk_probe, + .driver = { + .name = "visconti-clk", + .of_match_table = visconti_clk_ids, + }, +}; + +builtin_platform_driver(visconti_clk_driver); diff --git a/drivers/clk/visconti/clkc.c b/drivers/clk/visconti/clkc.c new file mode 100644 index 000000000000..56a8a4ffebca --- /dev/null +++ b/drivers/clk/visconti/clkc.c @@ -0,0 +1,206 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Toshiba Visconti clock controller + * + * Copyright (c) 2021 TOSHIBA CORPORATION + * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation + * + * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> + */ + +#include <linux/clk-provider.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/string.h> + +#include "clkc.h" + +static inline struct visconti_clk_gate *to_visconti_clk_gate(struct clk_hw *hw) +{ + return container_of(hw, struct visconti_clk_gate, hw); +} + +static int visconti_gate_clk_is_enabled(struct clk_hw *hw) +{ + struct visconti_clk_gate *gate = to_visconti_clk_gate(hw); + u32 clk = BIT(gate->ck_idx); + u32 val; + + regmap_read(gate->regmap, gate->ckon_offset, &val); + return (val & clk) ? 1 : 0; +} + +static void visconti_gate_clk_disable(struct clk_hw *hw) +{ + struct visconti_clk_gate *gate = to_visconti_clk_gate(hw); + u32 clk = BIT(gate->ck_idx); + unsigned long flags; + + spin_lock_irqsave(gate->lock, flags); + + if (!visconti_gate_clk_is_enabled(hw)) { + spin_unlock_irqrestore(gate->lock, flags); + return; + } + + regmap_update_bits(gate->regmap, gate->ckoff_offset, clk, clk); + spin_unlock_irqrestore(gate->lock, flags); +} + +static int visconti_gate_clk_enable(struct clk_hw *hw) +{ + struct visconti_clk_gate *gate = to_visconti_clk_gate(hw); + u32 clk = BIT(gate->ck_idx); + unsigned long flags; + + spin_lock_irqsave(gate->lock, flags); + regmap_update_bits(gate->regmap, gate->ckon_offset, clk, clk); + spin_unlock_irqrestore(gate->lock, flags); + + return 0; +} + +static const struct clk_ops visconti_clk_gate_ops = { + .enable = visconti_gate_clk_enable, + .disable = visconti_gate_clk_disable, + .is_enabled = visconti_gate_clk_is_enabled, +}; + +static struct clk_hw *visconti_clk_register_gate(struct device *dev, + const char *name, + const char *parent_name, + struct regmap *regmap, + const struct visconti_clk_gate_table *clks, + u32 rson_offset, + u32 rsoff_offset, + u8 rs_idx, + spinlock_t *lock) +{ + struct visconti_clk_gate *gate; + struct clk_parent_data *pdata; + struct clk_init_data init; + struct clk_hw *hw; + int ret; + + pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return ERR_PTR(-ENOMEM); + + pdata->name = pdata->fw_name = parent_name; + + gate = devm_kzalloc(dev, sizeof(*gate), GFP_KERNEL); + if (!gate) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &visconti_clk_gate_ops; + init.flags = clks->flags; + init.parent_data = pdata; + init.num_parents = 1; + + gate->regmap = regmap; + gate->ckon_offset = clks->ckon_offset; + gate->ckoff_offset = clks->ckoff_offset; + gate->ck_idx = clks->ck_idx; + gate->rson_offset = rson_offset; + gate->rsoff_offset = rsoff_offset; + gate->rs_idx = rs_idx; + gate->lock = lock; + gate->hw.init = &init; + + hw = &gate->hw; + ret = devm_clk_hw_register(dev, hw); + if (ret) + hw = ERR_PTR(ret); + + return hw; +} + +int visconti_clk_register_gates(struct visconti_clk_provider *ctx, + const struct visconti_clk_gate_table *clks, + int num_gate, + const struct visconti_reset_data *reset, + spinlock_t *lock) +{ + struct device *dev = ctx->dev; + int i; + + for (i = 0; i < num_gate; i++) { + const char *parent_div_name = clks[i].parent_data[0].name; + struct clk_parent_data *pdata; + u32 rson_offset, rsoff_offset; + struct clk_hw *gate_clk; + struct clk_hw *div_clk; + char *dev_name; + u8 rs_idx; + + pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + dev_name = devm_kasprintf(dev, GFP_KERNEL, "%s_div", clks[i].name); + if (!dev_name) + return -ENOMEM; + + if (clks[i].rs_id >= 0) { + rson_offset = reset[clks[i].rs_id].rson_offset; + rsoff_offset = reset[clks[i].rs_id].rsoff_offset; + rs_idx = reset[clks[i].rs_id].rs_idx; + } else { + rson_offset = rsoff_offset = rs_idx = -1; + } + + div_clk = devm_clk_hw_register_fixed_factor(dev, + dev_name, + parent_div_name, + 0, 1, + clks[i].div); + if (IS_ERR(div_clk)) + return PTR_ERR(div_clk); + + gate_clk = visconti_clk_register_gate(dev, + clks[i].name, + dev_name, + ctx->regmap, + &clks[i], + rson_offset, + rsoff_offset, + rs_idx, + lock); + if (IS_ERR(gate_clk)) { + dev_err(dev, "%s: failed to register clock %s\n", + __func__, clks[i].name); + return PTR_ERR(gate_clk); + } + + ctx->clk_data.hws[clks[i].id] = gate_clk; + } + + return 0; +} + +struct visconti_clk_provider *visconti_init_clk(struct device *dev, + struct regmap *regmap, + unsigned long nr_clks) +{ + struct visconti_clk_provider *ctx; + int i; + + ctx = devm_kzalloc(dev, struct_size(ctx, clk_data.hws, nr_clks), GFP_KERNEL); + if (!ctx) + return ERR_PTR(-ENOMEM); + + for (i = 0; i < nr_clks; ++i) + ctx->clk_data.hws[i] = ERR_PTR(-ENOENT); + ctx->clk_data.num = nr_clks; + + ctx->dev = dev; + ctx->regmap = regmap; + + return ctx; +} diff --git a/drivers/clk/visconti/clkc.h b/drivers/clk/visconti/clkc.h new file mode 100644 index 000000000000..09ed82ff64e4 --- /dev/null +++ b/drivers/clk/visconti/clkc.h @@ -0,0 +1,76 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Toshiba Visconti clock controller + * + * Copyright (c) 2021 TOSHIBA CORPORATION + * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation + * + * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> + */ + +#ifndef _VISCONTI_CLKC_H_ +#define _VISCONTI_CLKC_H_ + +#include <linux/mfd/syscon.h> +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/delay.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/io.h> +#include <linux/spinlock.h> + +#include "reset.h" + +struct visconti_clk_provider { + struct device *dev; + struct regmap *regmap; + struct clk_hw_onecell_data clk_data; +}; + +struct visconti_clk_gate_table { + unsigned int id; + const char *name; + const struct clk_parent_data *parent_data; + u8 num_parents; + u8 flags; + u32 ckon_offset; + u32 ckoff_offset; + u8 ck_idx; + unsigned int div; + u8 rs_id; +}; + +struct visconti_fixed_clk { + unsigned int id; + const char *name; + const char *parent; + unsigned long flag; + unsigned int mult; + unsigned int div; +}; + +struct visconti_clk_gate { + struct clk_hw hw; + struct regmap *regmap; + u32 ckon_offset; + u32 ckoff_offset; + u8 ck_idx; + u8 flags; + u32 rson_offset; + u32 rsoff_offset; + u8 rs_idx; + spinlock_t *lock; +}; + +struct visconti_clk_provider *visconti_init_clk(struct device *dev, + struct regmap *regmap, + unsigned long nr_clks); +int visconti_clk_register_gates(struct visconti_clk_provider *data, + const struct visconti_clk_gate_table *clks, + int num_gate, + const struct visconti_reset_data *reset, + spinlock_t *lock); +#endif /* _VISCONTI_CLKC_H_ */ diff --git a/drivers/clk/visconti/pll-tmpv770x.c b/drivers/clk/visconti/pll-tmpv770x.c new file mode 100644 index 000000000000..8360ccf88867 --- /dev/null +++ b/drivers/clk/visconti/pll-tmpv770x.c @@ -0,0 +1,85 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Toshiba Visconti PLL controller + * + * Copyright (c) 2021 TOSHIBA CORPORATION + * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation + * + * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> + */ + +#include <linux/clk-provider.h> +#include <linux/of_address.h> +#include <linux/slab.h> + +#include <dt-bindings/clock/toshiba,tmpv770x.h> + +#include "pll.h" + +static DEFINE_SPINLOCK(tmpv770x_pll_lock); + +static const struct visconti_pll_rate_table pipll0_rates[] __initconst = { + VISCONTI_PLL_RATE(840000000, 0x1, 0x0, 0x1, 0x54, 0x000000, 0x2, 0x1), + VISCONTI_PLL_RATE(780000000, 0x1, 0x0, 0x1, 0x4e, 0x000000, 0x2, 0x1), + VISCONTI_PLL_RATE(600000000, 0x1, 0x0, 0x1, 0x3c, 0x000000, 0x2, 0x1), + { /* sentinel */ }, +}; + +static const struct visconti_pll_rate_table piddrcpll_rates[] __initconst = { + VISCONTI_PLL_RATE(780000000, 0x1, 0x0, 0x1, 0x4e, 0x000000, 0x2, 0x1), + VISCONTI_PLL_RATE(760000000, 0x1, 0x0, 0x1, 0x4c, 0x000000, 0x2, 0x1), + { /* sentinel */ }, +}; + +static const struct visconti_pll_rate_table pivoifpll_rates[] __initconst = { + VISCONTI_PLL_RATE(165000000, 0x1, 0x0, 0x1, 0x42, 0x000000, 0x4, 0x2), + VISCONTI_PLL_RATE(148500000, 0x1, 0x1, 0x1, 0x3b, 0x666666, 0x4, 0x2), + VISCONTI_PLL_RATE(96000000, 0x1, 0x0, 0x1, 0x30, 0x000000, 0x5, 0x2), + VISCONTI_PLL_RATE(74250000, 0x1, 0x1, 0x1, 0x3b, 0x666666, 0x4, 0x4), + VISCONTI_PLL_RATE(54000000, 0x1, 0x0, 0x1, 0x36, 0x000000, 0x5, 0x4), + VISCONTI_PLL_RATE(48000000, 0x1, 0x0, 0x1, 0x30, 0x000000, 0x5, 0x4), + VISCONTI_PLL_RATE(35750000, 0x1, 0x1, 0x1, 0x32, 0x0ccccc, 0x7, 0x4), + { /* sentinel */ }, +}; + +static const struct visconti_pll_rate_table piimgerpll_rates[] __initconst = { + VISCONTI_PLL_RATE(165000000, 0x1, 0x0, 0x1, 0x42, 0x000000, 0x4, 0x2), + VISCONTI_PLL_RATE(96000000, 0x1, 0x0, 0x1, 0x30, 0x000000, 0x5, 0x2), + VISCONTI_PLL_RATE(54000000, 0x1, 0x0, 0x1, 0x36, 0x000000, 0x5, 0x4), + VISCONTI_PLL_RATE(48000000, 0x1, 0x0, 0x1, 0x30, 0x000000, 0x5, 0x4), + { /* sentinel */ }, +}; + +static const struct visconti_pll_info pll_info[] __initconst = { + { TMPV770X_PLL_PIPLL0, "pipll0", "osc2-clk", 0x0, pipll0_rates }, + { TMPV770X_PLL_PIDDRCPLL, "piddrcpll", "osc2-clk", 0x500, piddrcpll_rates }, + { TMPV770X_PLL_PIVOIFPLL, "pivoifpll", "osc2-clk", 0x600, pivoifpll_rates }, + { TMPV770X_PLL_PIIMGERPLL, "piimgerpll", "osc2-clk", 0x700, piimgerpll_rates }, +}; + +static void __init tmpv770x_setup_plls(struct device_node *np) +{ + struct visconti_pll_provider *ctx; + void __iomem *reg_base; + + reg_base = of_iomap(np, 0); + if (!reg_base) + return; + + ctx = visconti_init_pll(np, reg_base, TMPV770X_NR_PLL); + if (IS_ERR(ctx)) { + iounmap(reg_base); + return; + } + + ctx->clk_data.hws[TMPV770X_PLL_PIPLL1] = + clk_hw_register_fixed_rate(NULL, "pipll1", NULL, 0, 600000000); + ctx->clk_data.hws[TMPV770X_PLL_PIDNNPLL] = + clk_hw_register_fixed_rate(NULL, "pidnnpll", NULL, 0, 500000000); + ctx->clk_data.hws[TMPV770X_PLL_PIETHERPLL] = + clk_hw_register_fixed_rate(NULL, "pietherpll", NULL, 0, 500000000); + + visconti_register_plls(ctx, pll_info, ARRAY_SIZE(pll_info), &tmpv770x_pll_lock); +} + +CLK_OF_DECLARE(tmpv770x_plls, "toshiba,tmpv7708-pipllct", tmpv770x_setup_plls); diff --git a/drivers/clk/visconti/pll.c b/drivers/clk/visconti/pll.c new file mode 100644 index 000000000000..a2398bc6c6e4 --- /dev/null +++ b/drivers/clk/visconti/pll.c @@ -0,0 +1,340 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Toshiba Visconti PLL driver + * + * Copyright (c) 2021 TOSHIBA CORPORATION + * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation + * + * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> + */ + +#include <linux/bitfield.h> +#include <linux/clk-provider.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/io.h> + +#include "pll.h" + +struct visconti_pll { + struct clk_hw hw; + void __iomem *pll_base; + spinlock_t *lock; + unsigned long flags; + const struct visconti_pll_rate_table *rate_table; + size_t rate_count; + struct visconti_pll_provider *ctx; +}; + +#define PLL_CONF_REG 0x0000 +#define PLL_CTRL_REG 0x0004 +#define PLL_FRACMODE_REG 0x0010 +#define PLL_INTIN_REG 0x0014 +#define PLL_FRACIN_REG 0x0018 +#define PLL_REFDIV_REG 0x001c +#define PLL_POSTDIV_REG 0x0020 + +#define PLL_CONFIG_SEL BIT(0) +#define PLL_PLLEN BIT(4) +#define PLL_BYPASS BIT(16) +#define PLL_INTIN_MASK GENMASK(11, 0) +#define PLL_FRACIN_MASK GENMASK(23, 0) +#define PLL_REFDIV_MASK GENMASK(5, 0) +#define PLL_POSTDIV_MASK GENMASK(2, 0) + +#define PLL0_FRACMODE_DACEN BIT(4) +#define PLL0_FRACMODE_DSMEN BIT(0) + +#define PLL_CREATE_FRACMODE(table) (table->dacen << 4 | table->dsmen) +#define PLL_CREATE_OSTDIV(table) (table->postdiv2 << 4 | table->postdiv1) + +static inline struct visconti_pll *to_visconti_pll(struct clk_hw *hw) +{ + return container_of(hw, struct visconti_pll, hw); +} + +static void visconti_pll_get_params(struct visconti_pll *pll, + struct visconti_pll_rate_table *rate_table) +{ + u32 postdiv, val; + + val = readl(pll->pll_base + PLL_FRACMODE_REG); + + rate_table->dacen = FIELD_GET(PLL0_FRACMODE_DACEN, val); + rate_table->dsmen = FIELD_GET(PLL0_FRACMODE_DSMEN, val); + + rate_table->fracin = readl(pll->pll_base + PLL_FRACIN_REG) & PLL_FRACIN_MASK; + rate_table->intin = readl(pll->pll_base + PLL_INTIN_REG) & PLL_INTIN_MASK; + rate_table->refdiv = readl(pll->pll_base + PLL_REFDIV_REG) & PLL_REFDIV_MASK; + + postdiv = readl(pll->pll_base + PLL_POSTDIV_REG); + rate_table->postdiv1 = postdiv & PLL_POSTDIV_MASK; + rate_table->postdiv2 = (postdiv >> 4) & PLL_POSTDIV_MASK; +} + +static const struct visconti_pll_rate_table *visconti_get_pll_settings(struct visconti_pll *pll, + unsigned long rate) +{ + const struct visconti_pll_rate_table *rate_table = pll->rate_table; + int i; + + for (i = 0; i < pll->rate_count; i++) + if (rate == rate_table[i].rate) + return &rate_table[i]; + + return NULL; +} + +static unsigned long visconti_get_pll_rate_from_data(struct visconti_pll *pll, + const struct visconti_pll_rate_table *rate) +{ + const struct visconti_pll_rate_table *rate_table = pll->rate_table; + int i; + + for (i = 0; i < pll->rate_count; i++) + if (memcmp(&rate_table[i].dacen, &rate->dacen, + sizeof(*rate) - sizeof(unsigned long)) == 0) + return rate_table[i].rate; + + /* set default */ + return rate_table[0].rate; +} + +static long visconti_pll_round_rate(struct clk_hw *hw, + unsigned long rate, unsigned long *prate) +{ + struct visconti_pll *pll = to_visconti_pll(hw); + const struct visconti_pll_rate_table *rate_table = pll->rate_table; + int i; + + /* Assumming rate_table is in descending order */ + for (i = 0; i < pll->rate_count; i++) + if (rate >= rate_table[i].rate) + return rate_table[i].rate; + + /* return minimum supported value */ + return rate_table[i - 1].rate; +} + +static unsigned long visconti_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct visconti_pll *pll = to_visconti_pll(hw); + struct visconti_pll_rate_table rate_table; + + memset(&rate_table, 0, sizeof(rate_table)); + visconti_pll_get_params(pll, &rate_table); + + return visconti_get_pll_rate_from_data(pll, &rate_table); +} + +static int visconti_pll_set_params(struct visconti_pll *pll, + const struct visconti_pll_rate_table *rate_table) +{ + writel(PLL_CREATE_FRACMODE(rate_table), pll->pll_base + PLL_FRACMODE_REG); + writel(PLL_CREATE_OSTDIV(rate_table), pll->pll_base + PLL_POSTDIV_REG); + writel(rate_table->intin, pll->pll_base + PLL_INTIN_REG); + writel(rate_table->fracin, pll->pll_base + PLL_FRACIN_REG); + writel(rate_table->refdiv, pll->pll_base + PLL_REFDIV_REG); + + return 0; +} + +static int visconti_pll_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct visconti_pll *pll = to_visconti_pll(hw); + const struct visconti_pll_rate_table *rate_table; + + rate_table = visconti_get_pll_settings(pll, rate); + if (!rate_table) + return -EINVAL; + + return visconti_pll_set_params(pll, rate_table); +} + +static int visconti_pll_is_enabled(struct clk_hw *hw) +{ + struct visconti_pll *pll = to_visconti_pll(hw); + u32 reg; + + reg = readl(pll->pll_base + PLL_CTRL_REG); + + return (reg & PLL_PLLEN); +} + +static int visconti_pll_enable(struct clk_hw *hw) +{ + struct visconti_pll *pll = to_visconti_pll(hw); + const struct visconti_pll_rate_table *rate_table = pll->rate_table; + unsigned long flags; + u32 reg; + + if (visconti_pll_is_enabled(hw)) + return 0; + + spin_lock_irqsave(pll->lock, flags); + + writel(PLL_CONFIG_SEL, pll->pll_base + PLL_CONF_REG); + + reg = readl(pll->pll_base + PLL_CTRL_REG); + reg |= PLL_BYPASS; + writel(reg, pll->pll_base + PLL_CTRL_REG); + + visconti_pll_set_params(pll, &rate_table[0]); + + reg = readl(pll->pll_base + PLL_CTRL_REG); + reg &= ~PLL_PLLEN; + writel(reg, pll->pll_base + PLL_CTRL_REG); + + udelay(1); + + reg = readl(pll->pll_base + PLL_CTRL_REG); + reg |= PLL_PLLEN; + writel(reg, pll->pll_base + PLL_CTRL_REG); + + udelay(40); + + reg = readl(pll->pll_base + PLL_CTRL_REG); + reg &= ~PLL_BYPASS; + writel(reg, pll->pll_base + PLL_CTRL_REG); + + spin_unlock_irqrestore(pll->lock, flags); + + return 0; +} + +static void visconti_pll_disable(struct clk_hw *hw) +{ + struct visconti_pll *pll = to_visconti_pll(hw); + unsigned long flags; + u32 reg; + + if (!visconti_pll_is_enabled(hw)) + return; + + spin_lock_irqsave(pll->lock, flags); + + writel(PLL_CONFIG_SEL, pll->pll_base + PLL_CONF_REG); + + reg = readl(pll->pll_base + PLL_CTRL_REG); + reg |= PLL_BYPASS; + writel(reg, pll->pll_base + PLL_CTRL_REG); + + reg = readl(pll->pll_base + PLL_CTRL_REG); + reg &= ~PLL_PLLEN; + writel(reg, pll->pll_base + PLL_CTRL_REG); + + spin_unlock_irqrestore(pll->lock, flags); +} + +static const struct clk_ops visconti_pll_ops = { + .enable = visconti_pll_enable, + .disable = visconti_pll_disable, + .is_enabled = visconti_pll_is_enabled, + .round_rate = visconti_pll_round_rate, + .recalc_rate = visconti_pll_recalc_rate, + .set_rate = visconti_pll_set_rate, +}; + +static struct clk_hw *visconti_register_pll(struct visconti_pll_provider *ctx, + const char *name, + const char *parent_name, + int offset, + const struct visconti_pll_rate_table *rate_table, + spinlock_t *lock) +{ + struct clk_init_data init; + struct visconti_pll *pll; + struct clk *pll_clk; + struct clk_hw *pll_hw_clk; + size_t len; + int ret; + + pll = kzalloc(sizeof(*pll), GFP_KERNEL); + if (!pll) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.flags = CLK_IGNORE_UNUSED; + init.parent_names = &parent_name; + init.num_parents = 1; + + for (len = 0; rate_table[len].rate != 0; ) + len++; + pll->rate_count = len; + pll->rate_table = kmemdup(rate_table, + pll->rate_count * sizeof(struct visconti_pll_rate_table), + GFP_KERNEL); + WARN(!pll->rate_table, "%s: could not allocate rate table for %s\n", __func__, name); + + init.ops = &visconti_pll_ops; + pll->hw.init = &init; + pll->pll_base = ctx->reg_base + offset; + pll->lock = lock; + pll->ctx = ctx; + + pll_hw_clk = &pll->hw; + ret = clk_hw_register(NULL, &pll->hw); + if (ret) { + pr_err("failed to register pll clock %s : %ld\n", name, PTR_ERR(pll_clk)); + kfree(pll); + pll_hw_clk = ERR_PTR(ret); + } + + return pll_hw_clk; +} + +static void visconti_pll_add_lookup(struct visconti_pll_provider *ctx, + struct clk_hw *hw_clk, + unsigned int id) +{ + if (id) + ctx->clk_data.hws[id] = hw_clk; +} + +void __init visconti_register_plls(struct visconti_pll_provider *ctx, + const struct visconti_pll_info *list, + unsigned int nr_plls, + spinlock_t *lock) +{ + int idx; + + for (idx = 0; idx < nr_plls; idx++, list++) { + struct clk_hw *clk; + + clk = visconti_register_pll(ctx, + list->name, + list->parent, + list->base_reg, + list->rate_table, + lock); + if (IS_ERR(clk)) { + pr_err("failed to register clock %s\n", list->name); + continue; + } + + visconti_pll_add_lookup(ctx, clk, list->id); + } +} + +struct visconti_pll_provider * __init visconti_init_pll(struct device_node *np, + void __iomem *base, + unsigned long nr_plls) +{ + struct visconti_pll_provider *ctx; + int i; + + ctx = kzalloc(struct_size(ctx, clk_data.hws, nr_plls), GFP_KERNEL); + if (!ctx) + return ERR_PTR(-ENOMEM); + + for (i = 0; i < nr_plls; ++i) + ctx->clk_data.hws[i] = ERR_PTR(-ENOENT); + + ctx->node = np; + ctx->reg_base = base; + ctx->clk_data.num = nr_plls; + + return ctx; +} diff --git a/drivers/clk/visconti/pll.h b/drivers/clk/visconti/pll.h new file mode 100644 index 000000000000..16dae35ab370 --- /dev/null +++ b/drivers/clk/visconti/pll.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2021 TOSHIBA CORPORATION + * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation + * + * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> + */ + +#ifndef _VISCONTI_PLL_H_ +#define _VISCONTI_PLL_H_ + +#include <linux/clk-provider.h> +#include <linux/regmap.h> +#include <linux/spinlock.h> + +struct visconti_pll_provider { + void __iomem *reg_base; + struct regmap *regmap; + struct clk_hw_onecell_data clk_data; + struct device_node *node; +}; + +#define VISCONTI_PLL_RATE(_rate, _dacen, _dsmen, \ + _refdiv, _intin, _fracin, _postdiv1, _postdiv2) \ +{ \ + .rate = _rate, \ + .dacen = _dacen, \ + .dsmen = _dsmen, \ + .refdiv = _refdiv, \ + .intin = _intin, \ + .fracin = _fracin, \ + .postdiv1 = _postdiv1, \ + .postdiv2 = _postdiv2 \ +} + +struct visconti_pll_rate_table { + unsigned long rate; + unsigned int dacen; + unsigned int dsmen; + unsigned int refdiv; + unsigned long intin; + unsigned long fracin; + unsigned int postdiv1; + unsigned int postdiv2; +}; + +struct visconti_pll_info { + unsigned int id; + const char *name; + const char *parent; + unsigned long base_reg; + const struct visconti_pll_rate_table *rate_table; +}; + +struct visconti_pll_provider * __init visconti_init_pll(struct device_node *np, + void __iomem *base, + unsigned long nr_plls); +void visconti_register_plls(struct visconti_pll_provider *ctx, + const struct visconti_pll_info *list, + unsigned int nr_plls, spinlock_t *lock); + +#endif /* _VISCONTI_PLL_H_ */ diff --git a/drivers/clk/visconti/reset.c b/drivers/clk/visconti/reset.c new file mode 100644 index 000000000000..e3c3d7804612 --- /dev/null +++ b/drivers/clk/visconti/reset.c @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Toshiba Visconti ARM SoC reset controller + * + * Copyright (c) 2021 TOSHIBA CORPORATION + * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation + * + * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> + */ +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/mfd/syscon.h> +#include <linux/regmap.h> +#include <linux/slab.h> + +#include "reset.h" + +static inline struct visconti_reset *to_visconti_reset(struct reset_controller_dev *rcdev) +{ + return container_of(rcdev, struct visconti_reset, rcdev); +} + +static int visconti_reset_assert(struct reset_controller_dev *rcdev, unsigned long id) +{ + struct visconti_reset *reset = to_visconti_reset(rcdev); + const struct visconti_reset_data *data = &reset->resets[id]; + u32 rst = BIT(data->rs_idx); + unsigned long flags; + int ret; + + spin_lock_irqsave(reset->lock, flags); + ret = regmap_update_bits(reset->regmap, data->rson_offset, rst, rst); + spin_unlock_irqrestore(reset->lock, flags); + + return ret; +} + +static int visconti_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id) +{ + struct visconti_reset *reset = to_visconti_reset(rcdev); + const struct visconti_reset_data *data = &reset->resets[id]; + u32 rst = BIT(data->rs_idx); + unsigned long flags; + int ret; + + spin_lock_irqsave(reset->lock, flags); + ret = regmap_update_bits(reset->regmap, data->rsoff_offset, rst, rst); + spin_unlock_irqrestore(reset->lock, flags); + + return ret; +} + +static int visconti_reset_reset(struct reset_controller_dev *rcdev, unsigned long id) +{ + visconti_reset_assert(rcdev, id); + udelay(1); + visconti_reset_deassert(rcdev, id); + + return 0; +} + +static int visconti_reset_status(struct reset_controller_dev *rcdev, unsigned long id) +{ + struct visconti_reset *reset = to_visconti_reset(rcdev); + const struct visconti_reset_data *data = &reset->resets[id]; + unsigned long flags; + u32 reg; + int ret; + + spin_lock_irqsave(reset->lock, flags); + ret = regmap_read(reset->regmap, data->rson_offset, ®); + spin_unlock_irqrestore(reset->lock, flags); + if (ret) + return ret; + + return !(reg & data->rs_idx); +} + +const struct reset_control_ops visconti_reset_ops = { + .assert = visconti_reset_assert, + .deassert = visconti_reset_deassert, + .reset = visconti_reset_reset, + .status = visconti_reset_status, +}; + +int visconti_register_reset_controller(struct device *dev, + struct regmap *regmap, + const struct visconti_reset_data *resets, + unsigned int num_resets, + const struct reset_control_ops *reset_ops, + spinlock_t *lock) +{ + struct visconti_reset *reset; + + reset = devm_kzalloc(dev, sizeof(*reset), GFP_KERNEL); + if (!reset) + return -ENOMEM; + + reset->regmap = regmap; + reset->resets = resets; + reset->rcdev.ops = reset_ops; + reset->rcdev.nr_resets = num_resets; + reset->rcdev.of_node = dev->of_node; + reset->lock = lock; + + return devm_reset_controller_register(dev, &reset->rcdev); +} diff --git a/drivers/clk/visconti/reset.h b/drivers/clk/visconti/reset.h new file mode 100644 index 000000000000..229dffcbdc98 --- /dev/null +++ b/drivers/clk/visconti/reset.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Toshiba ARM SoC reset controller driver + * + * Copyright (c) 2021 TOSHIBA CORPORATION + * + * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> + */ + +#ifndef _VISCONTI_RESET_H_ +#define _VISCONTI_RESET_H_ + +#include <linux/reset-controller.h> + +struct visconti_reset_data { + u32 rson_offset; + u32 rsoff_offset; + u8 rs_idx; +}; + +struct visconti_reset { + struct reset_controller_dev rcdev; + struct regmap *regmap; + const struct visconti_reset_data *resets; + spinlock_t *lock; +}; + +extern const struct reset_control_ops visconti_reset_ops; + +int visconti_register_reset_controller(struct device *dev, + struct regmap *regmap, + const struct visconti_reset_data *resets, + unsigned int num_resets, + const struct reset_control_ops *reset_ops, + spinlock_t *lock); +#endif /* _VISCONTI_RESET_H_ */ diff --git a/include/dt-bindings/clock/toshiba,tmpv770x.h b/include/dt-bindings/clock/toshiba,tmpv770x.h new file mode 100644 index 000000000000..5fce713001fd --- /dev/null +++ b/include/dt-bindings/clock/toshiba,tmpv770x.h @@ -0,0 +1,181 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ + +#ifndef _DT_BINDINGS_CLOCK_TOSHIBA_TMPV770X_H_ +#define _DT_BINDINGS_CLOCK_TOSHIBA_TMPV770X_H_ + +/* PLL */ +#define TMPV770X_PLL_PIPLL0 0 +#define TMPV770X_PLL_PIPLL1 1 +#define TMPV770X_PLL_PIDNNPLL 2 +#define TMPV770X_PLL_PIETHERPLL 3 +#define TMPV770X_PLL_PIDDRCPLL 4 +#define TMPV770X_PLL_PIVOIFPLL 5 +#define TMPV770X_PLL_PIIMGERPLL 6 +#define TMPV770X_NR_PLL 7 + +/* Clocks */ +#define TMPV770X_CLK_PIPLL1_DIV1 0 +#define TMPV770X_CLK_PIPLL1_DIV2 1 +#define TMPV770X_CLK_PIPLL1_DIV4 2 +#define TMPV770X_CLK_PIDNNPLL_DIV1 3 +#define TMPV770X_CLK_DDRC_PHY_PLL0 4 +#define TMPV770X_CLK_DDRC_PHY_PLL1 5 +#define TMPV770X_CLK_D_PHYPLL 6 +#define TMPV770X_CLK_PHY_PCIEPLL 7 +#define TMPV770X_CLK_CA53CL0 8 +#define TMPV770X_CLK_CA53CL1 9 +#define TMPV770X_CLK_PISDMAC 10 +#define TMPV770X_CLK_PIPDMAC0 11 +#define TMPV770X_CLK_PIPDMAC1 12 +#define TMPV770X_CLK_PIWRAM 13 +#define TMPV770X_CLK_DDRC0 14 +#define TMPV770X_CLK_DDRC0_SCLK 15 +#define TMPV770X_CLK_DDRC0_NCLK 16 +#define TMPV770X_CLK_DDRC0_MCLK 17 +#define TMPV770X_CLK_DDRC0_APBCLK 18 +#define TMPV770X_CLK_DDRC1 19 +#define TMPV770X_CLK_DDRC1_SCLK 20 +#define TMPV770X_CLK_DDRC1_NCLK 21 +#define TMPV770X_CLK_DDRC1_MCLK 22 +#define TMPV770X_CLK_DDRC1_APBCLK 23 +#define TMPV770X_CLK_HOX 24 +#define TMPV770X_CLK_PCIE_MSTR 25 +#define TMPV770X_CLK_PCIE_AUX 26 +#define TMPV770X_CLK_PIINTC 27 +#define TMPV770X_CLK_PIETHER_BUS 28 +#define TMPV770X_CLK_PISPI0 29 +#define TMPV770X_CLK_PISPI1 30 +#define TMPV770X_CLK_PISPI2 31 +#define TMPV770X_CLK_PISPI3 32 +#define TMPV770X_CLK_PISPI4 33 +#define TMPV770X_CLK_PISPI5 34 +#define TMPV770X_CLK_PISPI6 35 +#define TMPV770X_CLK_PIUART0 36 +#define TMPV770X_CLK_PIUART1 37 +#define TMPV770X_CLK_PIUART2 38 +#define TMPV770X_CLK_PIUART3 39 +#define TMPV770X_CLK_PII2C0 40 +#define TMPV770X_CLK_PII2C1 41 +#define TMPV770X_CLK_PII2C2 42 +#define TMPV770X_CLK_PII2C3 43 +#define TMPV770X_CLK_PII2C4 44 +#define TMPV770X_CLK_PII2C5 45 +#define TMPV770X_CLK_PII2C6 46 +#define TMPV770X_CLK_PII2C7 47 +#define TMPV770X_CLK_PII2C8 48 +#define TMPV770X_CLK_PIGPIO 49 +#define TMPV770X_CLK_PIPGM 50 +#define TMPV770X_CLK_PIPCMIF 51 +#define TMPV770X_CLK_PIPCMIF_AUDIO_O 52 +#define TMPV770X_CLK_PIPCMIF_AUDIO_I 53 +#define TMPV770X_CLK_PICMPT0 54 +#define TMPV770X_CLK_PICMPT1 55 +#define TMPV770X_CLK_PITSC 56 +#define TMPV770X_CLK_PIUWDT 57 +#define TMPV770X_CLK_PISWDT 58 +#define TMPV770X_CLK_WDTCLK 59 +#define TMPV770X_CLK_PISUBUS_150M 60 +#define TMPV770X_CLK_PISUBUS_300M 61 +#define TMPV770X_CLK_PIPMU 62 +#define TMPV770X_CLK_PIGPMU 63 +#define TMPV770X_CLK_PITMU 64 +#define TMPV770X_CLK_WRCK 65 +#define TMPV770X_CLK_PIEMM 66 +#define TMPV770X_CLK_PIMISC 67 +#define TMPV770X_CLK_PIGCOMM 68 +#define TMPV770X_CLK_PIDCOMM 69 +#define TMPV770X_CLK_PICKMON 70 +#define TMPV770X_CLK_PIMBUS 71 +#define TMPV770X_CLK_SBUSCLK 72 +#define TMPV770X_CLK_DDR0_APBCLKCLK 73 +#define TMPV770X_CLK_DDR1_APBCLKCLK 74 +#define TMPV770X_CLK_DSP0_PBCLK 75 +#define TMPV770X_CLK_DSP1_PBCLK 76 +#define TMPV770X_CLK_DSP2_PBCLK 77 +#define TMPV770X_CLK_DSP3_PBCLK 78 +#define TMPV770X_CLK_DSVIIF0_APBCLK 79 +#define TMPV770X_CLK_VIIF0_APBCLK 80 +#define TMPV770X_CLK_VIIF0_CFGCLK 81 +#define TMPV770X_CLK_VIIF1_APBCLK 82 +#define TMPV770X_CLK_VIIF1_CFGCLK 83 +#define TMPV770X_CLK_VIIF2_APBCLK 84 +#define TMPV770X_CLK_VIIF2_CFGCLK 85 +#define TMPV770X_CLK_VIIF3_APBCLK 86 +#define TMPV770X_CLK_VIIF3_CFGCLK 87 +#define TMPV770X_CLK_VIIF4_APBCLK 88 +#define TMPV770X_CLK_VIIF4_CFGCLK 89 +#define TMPV770X_CLK_VIIF5_APBCLK 90 +#define TMPV770X_CLK_VIIF5_CFGCLK 91 +#define TMPV770X_CLK_VOIF_SBUSCLK 92 +#define TMPV770X_CLK_VOIF_PROCCLK 93 +#define TMPV770X_CLK_VOIF_DPHYCFGCLK 94 +#define TMPV770X_CLK_DNN0 95 +#define TMPV770X_CLK_STMAT 96 +#define TMPV770X_CLK_HWA0 97 +#define TMPV770X_CLK_AFFINE0 98 +#define TMPV770X_CLK_HAMAT 99 +#define TMPV770X_CLK_SMLDB 100 +#define TMPV770X_CLK_HWA0_ASYNC 101 +#define TMPV770X_CLK_HWA2 102 +#define TMPV770X_CLK_FLMAT 103 +#define TMPV770X_CLK_PYRAMID 104 +#define TMPV770X_CLK_HWA2_ASYNC 105 +#define TMPV770X_CLK_DSP0 106 +#define TMPV770X_CLK_VIIFBS0 107 +#define TMPV770X_CLK_VIIFBS0_L2ISP 108 +#define TMPV770X_CLK_VIIFBS0_L1ISP 109 +#define TMPV770X_CLK_VIIFBS0_PROC 110 +#define TMPV770X_CLK_VIIFBS1 111 +#define TMPV770X_CLK_VIIFBS2 112 +#define TMPV770X_CLK_VIIFOP_MBUS 113 +#define TMPV770X_CLK_VIIFOP0_PROC 114 +#define TMPV770X_CLK_PIETHER_2P5M 115 +#define TMPV770X_CLK_PIETHER_25M 116 +#define TMPV770X_CLK_PIETHER_50M 117 +#define TMPV770X_CLK_PIETHER_125M 118 +#define TMPV770X_CLK_VOIF0_DPHYCFG 119 +#define TMPV770X_CLK_VOIF0_PROC 120 +#define TMPV770X_CLK_VOIF0_SBUS 121 +#define TMPV770X_CLK_VOIF0_DSIREF 122 +#define TMPV770X_CLK_VOIF0_PIXEL 123 +#define TMPV770X_CLK_PIREFCLK 124 +#define TMPV770X_CLK_SBUS 125 +#define TMPV770X_CLK_BUSLCK 126 +#define TMPV770X_NR_CLK 127 + +/* Reset */ +#define TMPV770X_RESET_PIETHER_2P5M 0 +#define TMPV770X_RESET_PIETHER_25M 1 +#define TMPV770X_RESET_PIETHER_50M 2 +#define TMPV770X_RESET_PIETHER_125M 3 +#define TMPV770X_RESET_HOX 4 +#define TMPV770X_RESET_PCIE_MSTR 5 +#define TMPV770X_RESET_PCIE_AUX 6 +#define TMPV770X_RESET_PIINTC 7 +#define TMPV770X_RESET_PIETHER_BUS 8 +#define TMPV770X_RESET_PISPI0 9 +#define TMPV770X_RESET_PISPI1 10 +#define TMPV770X_RESET_PISPI2 11 +#define TMPV770X_RESET_PISPI3 12 +#define TMPV770X_RESET_PISPI4 13 +#define TMPV770X_RESET_PISPI5 14 +#define TMPV770X_RESET_PISPI6 15 +#define TMPV770X_RESET_PIUART0 16 +#define TMPV770X_RESET_PIUART1 17 +#define TMPV770X_RESET_PIUART2 18 +#define TMPV770X_RESET_PIUART3 19 +#define TMPV770X_RESET_PII2C0 20 +#define TMPV770X_RESET_PII2C1 21 +#define TMPV770X_RESET_PII2C2 22 +#define TMPV770X_RESET_PII2C3 23 +#define TMPV770X_RESET_PII2C4 24 +#define TMPV770X_RESET_PII2C5 25 +#define TMPV770X_RESET_PII2C6 26 +#define TMPV770X_RESET_PII2C7 27 +#define TMPV770X_RESET_PII2C8 28 +#define TMPV770X_RESET_PIPCMIF 29 +#define TMPV770X_RESET_PICKMON 30 +#define TMPV770X_RESET_SBUSCLK 31 +#define TMPV770X_NR_RESET 32 + +#endif /*_DT_BINDINGS_CLOCK_TOSHIBA_TMPV770X_H_ */ diff --git a/include/dt-bindings/reset/toshiba,tmpv770x.h b/include/dt-bindings/reset/toshiba,tmpv770x.h new file mode 100644 index 000000000000..c1007acb1941 --- /dev/null +++ b/include/dt-bindings/reset/toshiba,tmpv770x.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ + +#ifndef _DT_BINDINGS_RESET_TOSHIBA_TMPV770X_H_ +#define _DT_BINDINGS_RESET_TOSHIBA_TMPV770X_H_ + +/* Reset */ +#define TMPV770X_RESET_PIETHER_2P5M 0 +#define TMPV770X_RESET_PIETHER_25M 1 +#define TMPV770X_RESET_PIETHER_50M 2 +#define TMPV770X_RESET_PIETHER_125M 3 +#define TMPV770X_RESET_HOX 4 +#define TMPV770X_RESET_PCIE_MSTR 5 +#define TMPV770X_RESET_PCIE_AUX 6 +#define TMPV770X_RESET_PIINTC 7 +#define TMPV770X_RESET_PIETHER_BUS 8 +#define TMPV770X_RESET_PISPI0 9 +#define TMPV770X_RESET_PISPI1 10 +#define TMPV770X_RESET_PISPI2 11 +#define TMPV770X_RESET_PISPI3 12 +#define TMPV770X_RESET_PISPI4 13 +#define TMPV770X_RESET_PISPI5 14 +#define TMPV770X_RESET_PISPI6 15 +#define TMPV770X_RESET_PIUART0 16 +#define TMPV770X_RESET_PIUART1 17 +#define TMPV770X_RESET_PIUART2 18 +#define TMPV770X_RESET_PIUART3 19 +#define TMPV770X_RESET_PII2C0 20 +#define TMPV770X_RESET_PII2C1 21 +#define TMPV770X_RESET_PII2C2 22 +#define TMPV770X_RESET_PII2C3 23 +#define TMPV770X_RESET_PII2C4 24 +#define TMPV770X_RESET_PII2C5 25 +#define TMPV770X_RESET_PII2C6 26 +#define TMPV770X_RESET_PII2C7 27 +#define TMPV770X_RESET_PII2C8 28 +#define TMPV770X_RESET_PIPCMIF 29 +#define TMPV770X_RESET_PICKMON 30 +#define TMPV770X_RESET_SBUSCLK 31 +#define TMPV770X_NR_RESET 32 + +#endif /*_DT_BINDINGS_RESET_TOSHIBA_TMPV770X_H_ */ |