diff options
| -rw-r--r-- | Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml | 76 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml | 1 | ||||
| -rw-r--r-- | drivers/clk/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/clk/Makefile | 1 | ||||
| -rw-r--r-- | drivers/clk/stm32/Kconfig | 29 | ||||
| -rw-r--r-- | drivers/clk/stm32/Makefile | 1 | ||||
| -rw-r--r-- | drivers/clk/stm32/clk-stm32-core.c | 5 | ||||
| -rw-r--r-- | drivers/clk/stm32/clk-stm32-core.h | 5 | ||||
| -rw-r--r-- | drivers/clk/stm32/clk-stm32mp1.c (renamed from drivers/clk/clk-stm32mp1.c) | 127 | ||||
| -rw-r--r-- | drivers/clk/stm32/clk-stm32mp13.c | 9 | ||||
| -rw-r--r-- | drivers/clk/stm32/reset-stm32.c | 14 | ||||
| -rw-r--r-- | drivers/clk/stm32/reset-stm32.h | 8 | ||||
| -rw-r--r-- | drivers/clk/xilinx/clk-xlnx-clock-wizard.c | 628 | ||||
| -rw-r--r-- | drivers/clk/zynqmp/clk-mux-zynqmp.c | 2 | ||||
| -rw-r--r-- | drivers/clk/zynqmp/divider.c | 66 | ||||
| -rw-r--r-- | include/dt-bindings/clock/st,stm32mp25-rcc.h | 492 | ||||
| -rw-r--r-- | include/dt-bindings/reset/st,stm32mp25-rcc.h | 167 |
17 files changed, 1350 insertions, 292 deletions
diff --git a/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml new file mode 100644 index 000000000000..7732e79a42b9 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/st,stm32mp25-rcc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STM32MP25 Reset Clock Controller + +maintainers: + - Gabriel Fernandez <gabriel.fernandez@foss.st.com> + +description: | + The RCC hardware block is both a reset and a clock controller. + RCC makes also power management (resume/supend). + + See also:: + include/dt-bindings/clock/st,stm32mp25-rcc.h + include/dt-bindings/reset/st,stm32mp25-rcc.h + +properties: + compatible: + enum: + - st,stm32mp25-rcc + + reg: + maxItems: 1 + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + + clocks: + items: + - description: CK_SCMI_HSE High Speed External oscillator (8 to 48 MHz) + - description: CK_SCMI_HSI High Speed Internal oscillator (~ 64 MHz) + - description: CK_SCMI_MSI Low Power Internal oscillator (~ 4 MHz or ~ 16 MHz) + - description: CK_SCMI_LSE Low Speed External oscillator (32 KHz) + - description: CK_SCMI_LSI Low Speed Internal oscillator (~ 32 KHz) + + clock-names: + items: + - const: hse + - const: hsi + - const: msi + - const: lse + - const: lsi + +required: + - compatible + - reg + - '#clock-cells' + - '#reset-cells' + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/st,stm32mp25-rcc.h> + + rcc: clock-controller@44200000 { + compatible = "st,stm32mp25-rcc"; + reg = <0x44200000 0x10000>; + #clock-cells = <1>; + #reset-cells = <1>; + clock-names = "hse", "hsi", "msi", "lse", "lsi"; + clocks = <&scmi_clk CK_SCMI_HSE>, + <&scmi_clk CK_SCMI_HSI>, + <&scmi_clk CK_SCMI_MSI>, + <&scmi_clk CK_SCMI_LSE>, + <&scmi_clk CK_SCMI_LSI>; + }; +... diff --git a/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml b/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml index 02bd556bd91a..9d5324dc1027 100644 --- a/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml +++ b/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml @@ -20,6 +20,7 @@ properties: - xlnx,clocking-wizard - xlnx,clocking-wizard-v5.2 - xlnx,clocking-wizard-v6.0 + - xlnx,versal-clk-wizard reg: diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index c30d0d396f7a..50af5fc7f570 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -414,16 +414,6 @@ config COMMON_CLK_VC7 Renesas Versaclock7 is a family of configurable clock generator and jitter attenuator ICs with fractional and integer dividers. -config COMMON_CLK_STM32MP135 - def_bool COMMON_CLK && MACH_STM32MP13 - help - Support for stm32mp135 SoC family clocks - -config COMMON_CLK_STM32MP157 - def_bool COMMON_CLK && MACH_STM32MP157 - help - Support for stm32mp157 SoC family clocks - config COMMON_CLK_STM32F def_bool COMMON_CLK && (MACH_STM32F429 || MACH_STM32F469 || MACH_STM32F746) help @@ -504,6 +494,7 @@ source "drivers/clk/starfive/Kconfig" source "drivers/clk/sunxi/Kconfig" source "drivers/clk/sunxi-ng/Kconfig" source "drivers/clk/tegra/Kconfig" +source "drivers/clk/stm32/Kconfig" source "drivers/clk/ti/Kconfig" source "drivers/clk/uniphier/Kconfig" source "drivers/clk/visconti/Kconfig" diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index ed71f2e0ee36..14fa8d4ecc1f 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -70,7 +70,6 @@ obj-$(CONFIG_COMMON_CLK_SI570) += clk-si570.o obj-$(CONFIG_COMMON_CLK_SP7021) += clk-sp7021.o obj-$(CONFIG_COMMON_CLK_STM32F) += clk-stm32f4.o obj-$(CONFIG_COMMON_CLK_STM32H7) += clk-stm32h7.o -obj-$(CONFIG_COMMON_CLK_STM32MP157) += clk-stm32mp1.o obj-$(CONFIG_COMMON_CLK_TPS68470) += clk-tps68470.o obj-$(CONFIG_CLK_TWL6040) += clk-twl6040.o obj-$(CONFIG_CLK_TWL) += clk-twl.o diff --git a/drivers/clk/stm32/Kconfig b/drivers/clk/stm32/Kconfig new file mode 100644 index 000000000000..3c8493a94a11 --- /dev/null +++ b/drivers/clk/stm32/Kconfig @@ -0,0 +1,29 @@ +# SPDX-License-Identifier: GPL-2.0-only +# common clock support for STMicroelectronics SoC family. + +menuconfig COMMON_CLK_STM32MP + bool "Clock support for common STM32MP clocks" + depends on ARCH_STM32 || COMPILE_TEST + default y + select RESET_CONTROLLER + help + Support for STM32MP SoC family clocks. + +if COMMON_CLK_STM32MP + +config COMMON_CLK_STM32MP135 + bool "Clock driver for stm32mp13x clocks" + depends on ARM || COMPILE_TEST + default y + help + Support for stm32mp13x SoC family clocks. + +config COMMON_CLK_STM32MP157 + bool "Clock driver for stm32mp15x clocks" + depends on ARM || COMPILE_TEST + default y + help + Support for stm32mp15x SoC family clocks. + +endif + diff --git a/drivers/clk/stm32/Makefile b/drivers/clk/stm32/Makefile index 95bd2230bba0..5ced7fe3ddec 100644 --- a/drivers/clk/stm32/Makefile +++ b/drivers/clk/stm32/Makefile @@ -1 +1,2 @@ obj-$(CONFIG_COMMON_CLK_STM32MP135) += clk-stm32mp13.o clk-stm32-core.o reset-stm32.o +obj-$(CONFIG_COMMON_CLK_STM32MP157) += clk-stm32mp1.o reset-stm32.o diff --git a/drivers/clk/stm32/clk-stm32-core.c b/drivers/clk/stm32/clk-stm32-core.c index 067b918a8894..58705fcad334 100644 --- a/drivers/clk/stm32/clk-stm32-core.c +++ b/drivers/clk/stm32/clk-stm32-core.c @@ -70,6 +70,7 @@ static int stm32_rcc_clock_init(struct device *dev, int stm32_rcc_init(struct device *dev, const struct of_device_id *match_data, void __iomem *base) { + const struct stm32_rcc_match_data *rcc_match_data; const struct of_device_id *match; int err; @@ -79,8 +80,10 @@ int stm32_rcc_init(struct device *dev, const struct of_device_id *match_data, return -ENODEV; } + rcc_match_data = match->data; + /* RCC Reset Configuration */ - err = stm32_rcc_reset_init(dev, match, base); + err = stm32_rcc_reset_init(dev, rcc_match_data->reset_data, base); if (err) { pr_err("stm32 reset failed to initialize\n"); return err; diff --git a/drivers/clk/stm32/clk-stm32-core.h b/drivers/clk/stm32/clk-stm32-core.h index 76cffda02308..bb5aa19a792d 100644 --- a/drivers/clk/stm32/clk-stm32-core.h +++ b/drivers/clk/stm32/clk-stm32-core.h @@ -70,15 +70,12 @@ struct stm32_rcc_match_data { const struct clock_config *tab_clocks; unsigned int maxbinding; struct clk_stm32_clock_data *clock_data; - u32 clear_offset; + struct clk_stm32_reset_data *reset_data; int (*check_security)(void __iomem *base, const struct clock_config *cfg); int (*multi_mux)(void __iomem *base, const struct clock_config *cfg); }; -int stm32_rcc_reset_init(struct device *dev, const struct of_device_id *match, - void __iomem *base); - int stm32_rcc_init(struct device *dev, const struct of_device_id *match_data, void __iomem *base); diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/stm32/clk-stm32mp1.c index 939779f66867..7e2337297402 100644 --- a/drivers/clk/clk-stm32mp1.c +++ b/drivers/clk/stm32/clk-stm32mp1.c @@ -20,6 +20,10 @@ #include <dt-bindings/clock/stm32mp1-clks.h> +#include "reset-stm32.h" + +#define STM32MP1_RESET_ID_MASK GENMASK(15, 0) + static DEFINE_SPINLOCK(rlock); #define RCC_OCENSETR 0x0C @@ -2137,22 +2141,27 @@ struct stm32_rcc_match_data { const struct clock_config *cfg; unsigned int num; unsigned int maxbinding; - u32 clear_offset; + struct clk_stm32_reset_data *reset_data; bool (*check_security)(const struct clock_config *cfg); }; +static struct clk_stm32_reset_data stm32mp1_reset_data = { + .nr_lines = STM32MP1_RESET_ID_MASK, + .clear_offset = RCC_CLR, +}; + static struct stm32_rcc_match_data stm32mp1_data = { .cfg = stm32mp1_clock_cfg, .num = ARRAY_SIZE(stm32mp1_clock_cfg), .maxbinding = STM32MP1_LAST_CLK, - .clear_offset = RCC_CLR, + .reset_data = &stm32mp1_reset_data, }; static struct stm32_rcc_match_data stm32mp1_data_secure = { .cfg = stm32mp1_clock_cfg, .num = ARRAY_SIZE(stm32mp1_clock_cfg), .maxbinding = STM32MP1_LAST_CLK, - .clear_offset = RCC_CLR, + .reset_data = &stm32mp1_reset_data, .check_security = &stm32_check_security }; @@ -2193,113 +2202,6 @@ static int stm32_register_hw_clk(struct device *dev, return 0; } -#define STM32_RESET_ID_MASK GENMASK(15, 0) - -struct stm32_reset_data { - /* reset lock */ - spinlock_t lock; - struct reset_controller_dev rcdev; - void __iomem *membase; - u32 clear_offset; -}; - -static inline struct stm32_reset_data * -to_stm32_reset_data(struct reset_controller_dev *rcdev) -{ - return container_of(rcdev, struct stm32_reset_data, rcdev); -} - -static int stm32_reset_update(struct reset_controller_dev *rcdev, - unsigned long id, bool assert) -{ - struct stm32_reset_data *data = to_stm32_reset_data(rcdev); - int reg_width = sizeof(u32); - int bank = id / (reg_width * BITS_PER_BYTE); - int offset = id % (reg_width * BITS_PER_BYTE); - - if (data->clear_offset) { - void __iomem *addr; - - addr = data->membase + (bank * reg_width); - if (!assert) - addr += data->clear_offset; - - writel(BIT(offset), addr); - - } else { - unsigned long flags; - u32 reg; - - spin_lock_irqsave(&data->lock, flags); - - reg = readl(data->membase + (bank * reg_width)); - - if (assert) - reg |= BIT(offset); - else - reg &= ~BIT(offset); - - writel(reg, data->membase + (bank * reg_width)); - - spin_unlock_irqrestore(&data->lock, flags); - } - - return 0; -} - -static int stm32_reset_assert(struct reset_controller_dev *rcdev, - unsigned long id) -{ - return stm32_reset_update(rcdev, id, true); -} - -static int stm32_reset_deassert(struct reset_controller_dev *rcdev, - unsigned long id) -{ - return stm32_reset_update(rcdev, id, false); -} - -static int stm32_reset_status(struct reset_controller_dev *rcdev, - unsigned long id) -{ - struct stm32_reset_data *data = to_stm32_reset_data(rcdev); - int reg_width = sizeof(u32); - int bank = id / (reg_width * BITS_PER_BYTE); - int offset = id % (reg_width * BITS_PER_BYTE); - u32 reg; - - reg = readl(data->membase + (bank * reg_width)); - - return !!(reg & BIT(offset)); -} - -static const struct reset_control_ops stm32_reset_ops = { - .assert = stm32_reset_assert, - .deassert = stm32_reset_deassert, - .status = stm32_reset_status, -}; - -static int stm32_rcc_reset_init(struct device *dev, void __iomem *base, - const struct of_device_id *match) -{ - const struct stm32_rcc_match_data *data = match->data; - struct stm32_reset_data *reset_data = NULL; - - reset_data = kzalloc(sizeof(*reset_data), GFP_KERNEL); - if (!reset_data) - return -ENOMEM; - - spin_lock_init(&reset_data->lock); - reset_data->membase = base; - reset_data->rcdev.owner = THIS_MODULE; - reset_data->rcdev.ops = &stm32_reset_ops; - reset_data->rcdev.of_node = dev_of_node(dev); - reset_data->rcdev.nr_resets = STM32_RESET_ID_MASK; - reset_data->clear_offset = data->clear_offset; - - return reset_controller_register(&reset_data->rcdev); -} - static int stm32_rcc_clock_init(struct device *dev, void __iomem *base, const struct of_device_id *match) { @@ -2342,6 +2244,7 @@ static int stm32_rcc_clock_init(struct device *dev, void __iomem *base, static int stm32_rcc_init(struct device *dev, void __iomem *base, const struct of_device_id *match_data) { + const struct stm32_rcc_match_data *rcc_match_data; const struct of_device_id *match; int err; @@ -2351,8 +2254,10 @@ static int stm32_rcc_init(struct device *dev, void __iomem *base, return -ENODEV; } + rcc_match_data = match->data; + /* RCC Reset Configuration */ - err = stm32_rcc_reset_init(dev, base, match); + err = stm32_rcc_reset_init(dev, rcc_match_data->reset_data, base); if (err) { pr_err("stm32mp1 reset failed to initialize\n"); return err; diff --git a/drivers/clk/stm32/clk-stm32mp13.c b/drivers/clk/stm32/clk-stm32mp13.c index c4a737482fe5..d4ecb3c34a1b 100644 --- a/drivers/clk/stm32/clk-stm32mp13.c +++ b/drivers/clk/stm32/clk-stm32mp13.c @@ -10,8 +10,10 @@ #include <linux/platform_device.h> #include <dt-bindings/clock/stm32mp13-clks.h> #include "clk-stm32-core.h" +#include "reset-stm32.h" #include "stm32mp13_rcc.h" +#define STM32MP1_RESET_ID_MASK GENMASK(15, 0) #define RCC_CLR_OFFSET 0x4 /* STM32 Gates definition */ @@ -1511,13 +1513,18 @@ static struct clk_stm32_clock_data stm32mp13_clock_data = { .is_multi_mux = stm32mp13_is_multi_mux, }; +static struct clk_stm32_reset_data stm32mp13_reset_data = { + .nr_lines = STM32MP1_RESET_ID_MASK, + .clear_offset = RCC_CLR_OFFSET, +}; + static const struct stm32_rcc_match_data stm32mp13_data = { .tab_clocks = stm32mp13_clock_cfg, .num_clocks = ARRAY_SIZE(stm32mp13_clock_cfg), .clock_data = &stm32mp13_clock_data, .check_security = &stm32mp13_clock_is_provided_by_secure, .maxbinding = STM32MP1_LAST_CLK, - .clear_offset = RCC_CLR_OFFSET, + .reset_data = &stm32mp13_reset_data, }; static const struct of_device_id stm32mp13_match_data[] = { diff --git a/drivers/clk/stm32/reset-stm32.c b/drivers/clk/stm32/reset-stm32.c index e89381528af9..14c2ee1eebee 100644 --- a/drivers/clk/stm32/reset-stm32.c +++ b/drivers/clk/stm32/reset-stm32.c @@ -11,9 +11,7 @@ #include <linux/slab.h> #include <linux/spinlock.h> -#include "clk-stm32-core.h" - -#define STM32_RESET_ID_MASK GENMASK(15, 0) +#include "reset-stm32.h" struct stm32_reset_data { /* reset lock */ @@ -99,24 +97,22 @@ static const struct reset_control_ops stm32_reset_ops = { .status = stm32_reset_status, }; -int stm32_rcc_reset_init(struct device *dev, const struct of_device_id *match, +int stm32_rcc_reset_init(struct device *dev, struct clk_stm32_reset_data *data, void __iomem *base) { - const struct stm32_rcc_match_data *data = match->data; - struct stm32_reset_data *reset_data = NULL; - - data = match->data; + struct stm32_reset_data *reset_data; reset_data = kzalloc(sizeof(*reset_data), GFP_KERNEL); if (!reset_data) return -ENOMEM; spin_lock_init(&reset_data->lock); + reset_data->membase = base; reset_data->rcdev.owner = THIS_MODULE; reset_data->rcdev.ops = &stm32_reset_ops; reset_data->rcdev.of_node = dev_of_node(dev); - reset_data->rcdev.nr_resets = STM32_RESET_ID_MASK; + reset_data->rcdev.nr_resets = data->nr_lines; reset_data->clear_offset = data->clear_offset; return reset_controller_register(&reset_data->rcdev); diff --git a/drivers/clk/stm32/reset-stm32.h b/drivers/clk/stm32/reset-stm32.h index 6eb6ea4b55ab..8cf1cc9be480 100644 --- a/drivers/clk/stm32/reset-stm32.h +++ b/drivers/clk/stm32/reset-stm32.h @@ -4,5 +4,11 @@ * Author: Gabriel Fernandez <gabriel.fernandez@foss.st.com> for STMicroelectronics. */ -int stm32_rcc_reset_init(struct device *dev, const struct of_device_id *match, +struct clk_stm32_reset_data { + const struct reset_control_ops *ops; + unsigned int nr_lines; + u32 clear_offset; +}; + +int stm32_rcc_reset_init(struct device *dev, struct clk_stm32_reset_data *data, void __iomem *base); diff --git a/drivers/clk/xilinx/clk-xlnx-clock-wizard.c b/drivers/clk/xilinx/clk-xlnx-clock-wizard.c index d56822ce6126..6a6e5d9292e8 100644 --- a/drivers/clk/xilinx/clk-xlnx-clock-wizard.c +++ b/drivers/clk/xilinx/clk-xlnx-clock-wizard.c @@ -23,15 +23,41 @@ #define WZRD_NUM_OUTPUTS 7 #define WZRD_ACLK_MAX_FREQ 250000000UL -#define WZRD_CLK_CFG_REG(n) (0x200 + 4 * (n)) +#define WZRD_CLK_CFG_REG(v, n) (0x200 + 0x130 * (v) + 4 * (n)) #define WZRD_CLKOUT0_FRAC_EN BIT(18) -#define WZRD_CLKFBOUT_FRAC_EN BIT(26) +#define WZRD_CLKFBOUT_1 0 +#define WZRD_CLKFBOUT_2 1 +#define WZRD_CLKOUT0_1 2 +#define WZRD_CLKOUT0_2 3 +#define WZRD_DESKEW_2 20 +#define WZRD_DIVCLK 21 +#define WZRD_CLKFBOUT_4 51 +#define WZRD_CLKFBOUT_3 48 +#define WZRD_DUTY_CYCLE 2 +#define WZRD_O_DIV 4 + +#define WZRD_CLKFBOUT_FRAC_EN BIT(1) +#define WZRD_CLKFBOUT_PREDIV2 (BIT(11) | BIT(12) | BIT(9)) +#define WZRD_MULT_PREDIV2 (BIT(10) | BIT(9) | BIT(12)) +#define WZRD_CLKFBOUT_EDGE BIT(8) +#define WZRD_P5EN BIT(13) +#define WZRD_P5EN_SHIFT 13 +#define WZRD_P5FEDGE BIT(15) +#define WZRD_DIVCLK_EDGE BIT(10) +#define WZRD_P5FEDGE_SHIFT 15 +#define WZRD_CLKOUT0_PREDIV2 BIT(11) +#define WZRD_EDGE_SHIFT 8 #define WZRD_CLKFBOUT_MULT_SHIFT 8 #define WZRD_CLKFBOUT_MULT_MASK (0xff << WZRD_CLKFBOUT_MULT_SHIFT) +#define WZRD_CLKFBOUT_L_SHIFT 0 +#define WZRD_CLKFBOUT_H_SHIFT 8 +#define WZRD_CLKFBOUT_L_MASK GENMASK(7, 0) +#define WZRD_CLKFBOUT_H_MASK GENMASK(15, 8) #define WZRD_CLKFBOUT_FRAC_SHIFT 16 #define WZRD_CLKFBOUT_FRAC_MASK (0x3ff << WZRD_CLKFBOUT_FRAC_SHIFT) +#define WZRD_VERSAL_FRAC_MASK GENMASK(5, 0) #define WZRD_DIVCLK_DIVIDE_SHIFT 0 #define WZRD_DIVCLK_DIVIDE_MASK (0xff << WZRD_DIVCLK_DIVIDE_SHIFT) #define WZRD_CLKOUT_DIVIDE_SHIFT 0 @@ -45,6 +71,7 @@ #define WZRD_DR_STATUS_REG_OFFSET 0x04 #define WZRD_DR_LOCK_BIT_MASK 0x00000001 #define WZRD_DR_INIT_REG_OFFSET 0x25C +#define WZRD_DR_INIT_VERSAL_OFFSET 0x14 #define WZRD_DR_DIV_TO_PHASE_OFFSET 4 #define WZRD_DR_BEGIN_DYNA_RECONF 0x03 #define WZRD_DR_BEGIN_DYNA_RECONF_5_2 0x07 @@ -52,6 +79,8 @@ #define WZRD_USEC_POLL 10 #define WZRD_TIMEOUT_POLL 1000 +#define WZRD_FRAC_GRADIENT 64 +#define PREDIV2_MULT 2 /* Divider limits, from UG572 Table 3-4 for Ultrascale+ */ #define DIV_O 0x01 @@ -65,6 +94,14 @@ #define WZRD_VCO_MAX 1600000000 #define WZRD_O_MIN 1 #define WZRD_O_MAX 128 +#define VER_WZRD_M_MIN 4 +#define VER_WZRD_M_MAX 432 +#define VER_WZRD_D_MIN 1 +#define VER_WZRD_D_MAX 123 +#define VER_WZRD_VCO_MIN 2160000000ULL +#define VER_WZRD_VCO_MAX 4320000000ULL +#define VER_WZRD_O_MIN 2 +#define VER_WZRD_O_MAX 511 #define WZRD_MIN_ERR 20000 #define WZRD_FRAC_POINTS 1000 @@ -135,6 +172,10 @@ struct clk_wzrd_divider { spinlock_t *lock; /* divider lock */ }; +struct versal_clk_data { + bool is_versal; +}; + #define to_clk_wzrd(_nb) container_of(_nb, struct clk_wzrd, nb) /* maximum frequencies for input/output clocks per speed grade */ @@ -147,6 +188,31 @@ static const unsigned long clk_wzrd_max_freq[] = { /* spin lock variable for clk_wzrd */ static DEFINE_SPINLOCK(clkwzrd_lock); +static unsigned long clk_wzrd_recalc_rate_ver(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); + void __iomem *div_addr = divider->base + divider->offset; + u32 div, p5en, edge, prediv2, all; + unsigned int vall, valh; + + edge = !!(readl(div_addr) & WZRD_CLKFBOUT_EDGE); + p5en = !!(readl(div_addr) & WZRD_P5EN); + prediv2 = !!(readl(div_addr) & WZRD_CLKOUT0_PREDIV2); + vall = readl(div_addr + 4) & WZRD_CLKFBOUT_L_MASK; + valh = readl(div_addr + 4) >> WZRD_CLKFBOUT_H_SHIFT; + all = valh + vall + edge; + if (!all) + all = 1; + + if (prediv2) + div = 2 * all + prediv2 * p5en; + else + div = all; + + return DIV_ROUND_UP_ULL((u64)parent_rate, div); +} + static unsigned long clk_wzrd_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { @@ -161,19 +227,64 @@ static unsigned long clk_wzrd_recalc_rate(struct clk_hw *hw, divider->flags, divider->width); } +static int clk_wzrd_ver_dynamic_reconfig(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); + void __iomem *div_addr = divider->base + divider->offset; + u32 value, regh, edged, p5en, p5fedge, regval, regval1; + unsigned long flags; + int err; + + spin_lock_irqsave(divider->lock, flags); + + value = DIV_ROUND_CLOSEST(parent_rate, rate); + + regh = (value / 4); + regval1 = readl(div_addr); + regval1 |= WZRD_CLKFBOUT_PREDIV2; + regval1 = regval1 & ~(WZRD_CLKFBOUT_EDGE | WZRD_P5EN | WZRD_P5FEDGE); + if (value % 4 > 1) { + edged = 1; + regval1 |= (edged << WZRD_EDGE_SHIFT); + } + p5fedge = value % 2; + p5en = value % 2; + regval1 = regval1 | p5en << WZRD_P5EN_SHIFT | p5fedge << WZRD_P5FEDGE_SHIFT; + writel(regval1, div_addr); + + regval = regh | regh << WZRD_CLKFBOUT_H_SHIFT; + writel(regval, div_addr + 4); + /* Check status register */ + err = readl_poll_timeout_atomic(divider->base + WZRD_DR_STATUS_REG_OFFSET, + value, value & WZRD_DR_LOCK_BIT_MASK, + WZRD_USEC_POLL, WZRD_TIMEOUT_POLL); + if (err) + goto err_reconfig; + + /* Initiate reconfiguration */ + writel(WZRD_DR_BEGIN_DYNA_RECONF, + divider->base + WZRD_DR_INIT_VERSAL_OFFSET); + + /* Check status register */ + err = readl_poll_timeout_atomic(divider->base + WZRD_DR_STATUS_REG_OFFSET, + value, value & WZRD_DR_LOCK_BIT_MASK, + WZRD_USEC_POLL, WZRD_TIMEOUT_POLL); +err_reconfig: + spin_unlock_irqrestore(divider->lock, flags); + return err; +} + static int clk_wzrd_dynamic_reconfig(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { - int err; - u32 value; - unsigned long flags = 0; struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); void __iomem *div_addr = divider->base + divider->offset; + unsigned long flags; + u32 value; + int err; - if (divider->lock) - spin_lock_irqsave(divider->lock, flags); - else - __acquire(divider->lock); + spin_lock_irqsave(divider->lock, flags); value = DIV_ROUND_CLOSEST(parent_rate, rate); @@ -185,9 +296,9 @@ static int clk_wzrd_dynamic_reconfig(struct clk_hw *hw, unsigned long rate, writel(0x00, div_addr + WZRD_DR_DIV_TO_PHASE_OFFSET); /* Check status register */ - err = readl_poll_timeout(divider->base + WZRD_DR_STATUS_REG_OFFSET, - value, value & WZRD_DR_LOCK_BIT_MASK, - WZRD_USEC_POLL, WZRD_TIMEOUT_POLL); + err = readl_poll_timeout_atomic(divider->base + WZRD_DR_STATUS_REG_OFFSET, + value, value & WZRD_DR_LOCK_BIT_MASK, + WZRD_USEC_POLL, WZRD_TIMEOUT_POLL); if (err) goto err_reconfig; @@ -198,14 +309,11 @@ static int clk_wzrd_dynamic_reconfig(struct clk_hw *hw, unsigned long rate, divider->base + WZRD_DR_INIT_REG_OFFSET); /* Check status register */ - err = readl_poll_timeout(divider->base + WZRD_DR_STATUS_REG_OFFSET, - value, value & WZRD_DR_LOCK_BIT_MASK, - WZRD_USEC_POLL, WZRD_TIMEOUT_POLL); + err = readl_poll_timeout_atomic(divider->base + WZRD_DR_STATUS_REG_OFFSET, + value, value & WZRD_DR_LOCK_BIT_MASK, + WZRD_USEC_POLL, WZRD_TIMEOUT_POLL); err_reconfig: - if (divider->lock) - spin_unlock_irqrestore(divider->lock, flags); - else - __release(divider->lock); + spin_unlock_irqrestore(divider->lock, flags); return err; } @@ -223,18 +331,66 @@ static long clk_wzrd_round_rate(struct clk_hw *hw, unsigned long rate, return *prate / div; } +static int clk_wzrd_get_divisors_ver(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); + u64 vco_freq, freq, diff, vcomin, vcomax; + u32 m, d, o; + u32 mmin, mmax, dmin, dmax, omin, omax; + + mmin = VER_WZRD_M_MIN; + mmax = VER_WZRD_M_MAX; + dmin = VER_WZRD_D_MIN; + dmax = VER_WZRD_D_MAX; + omin = VER_WZRD_O_MIN; + omax = VER_WZRD_O_MAX; + vcomin = VER_WZRD_VCO_MIN; + vcomax = VER_WZRD_VCO_MAX; + + for (m = mmin; m <= mmax; m++) { + for (d = dmin; d <= dmax; d++) { + vco_freq = DIV_ROUND_CLOSEST((parent_rate * m), d); + if (vco_freq >= vcomin && vco_freq <= vcomax) { + for (o = omin; o <= omax; o++) { + freq = DIV_ROUND_CLOSEST_ULL(vco_freq, o); + diff = abs(freq - rate); + + if (diff < WZRD_MIN_ERR) { + divider->m = m; + divider->d = d; + divider->o = o; + return 0; + } + } + } + } + } + return -EBUSY; +} + static int clk_wzrd_get_divisors(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); - unsigned long vco_freq, freq, diff; + u64 vco_freq, freq, diff, vcomin, vcomax; u32 m, d, o; - - for (m = WZRD_M_MIN; m <= WZRD_M_MAX; m++) { - for (d = WZRD_D_MIN; d <= WZRD_D_MAX; d++) { + u32 mmin, mmax, dmin, dmax, omin, omax; + + mmin = WZRD_M_MIN; + mmax = WZRD_M_MAX; + dmin = WZRD_D_MIN; + dmax = WZRD_D_MAX; + omin = WZRD_O_MIN; + omax = WZRD_O_MAX; + vcomin = WZRD_VCO_MIN; + vcomax = WZRD_VCO_MAX; + + for (m = mmin; m <= mmax; m++) { + for (d = dmin; d <= dmax; d++) { vco_freq = DIV_ROUND_CLOSEST((parent_rate * m), d); - if (vco_freq >= WZRD_VCO_MIN && vco_freq <= WZRD_VCO_MAX) { - for (o = WZRD_O_MIN; o <= WZRD_O_MAX; o++) { + if (vco_freq >= vcomin && vco_freq <= vcomax) { + for (o = omin; o <= omax; o++) { freq = DIV_ROUND_CLOSEST_ULL(vco_freq, o); diff = abs(freq - rate); @@ -251,12 +407,99 @@ static int clk_wzrd_get_divisors(struct clk_hw *hw, unsigned long rate, return -EBUSY; } +static int clk_wzrd_reconfig(struct clk_wzrd_divider *divider, void __iomem *div_addr) +{ + u32 value; + int err; + + /* Check status register */ + err = readl_poll_timeout_atomic(divider->base + WZRD_DR_STATUS_REG_OFFSET, value, + value & WZRD_DR_LOCK_BIT_MASK, + WZRD_USEC_POLL, WZRD_TIMEOUT_POLL); + if (err) + return -ETIMEDOUT; + + /* Initiate reconfiguration */ + writel(WZRD_DR_BEGIN_DYNA_RECONF, div_addr); + /* Check status register */ + return readl_poll_timeout_atomic(divider->base + WZRD_DR_STATUS_REG_OFFSET, value, + value & WZRD_DR_LOCK_BIT_MASK, + WZRD_USEC_POLL, WZRD_TIMEOUT_POLL); +} + +static int clk_wzrd_dynamic_ver_all_nolock(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + u32 regh, edged, p5en, p5fedge, value2, m, regval, regval1, value; + struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); + void __iomem *div_addr; + int err; + + err = clk_wzrd_get_divisors_ver(hw, rate, parent_rate); + if (err) + return err; + + writel(0, divider->base + WZRD_CLK_CFG_REG(1, WZRD_CLKFBOUT_4)); + + m = divider->m; + edged = m % WZRD_DUTY_CYCLE; + regh = m / WZRD_DUTY_CYCLE; + regval1 = readl(divider->base + WZRD_CLK_CFG_REG(1, + WZRD_CLKFBOUT_1)); + regval1 |= WZRD_MULT_PREDIV2; + if (edged) + regval1 = regval1 | WZRD_CLKFBOUT_EDGE; + else + regval1 = regval1 & ~WZRD_CLKFBOUT_EDGE; + + writel(regval1, divider->base + WZRD_CLK_CFG_REG(1, + WZRD_CLKFBOUT_1)); + regval1 = regh | regh << WZRD_CLKFBOUT_H_SHIFT; + writel(regval1, divider->base + WZRD_CLK_CFG_REG(1, + WZRD_CLKFBOUT_2)); + + value2 = divider->d; + edged = value2 % WZRD_DUTY_CYCLE; + regh = (value2 / WZRD_DUTY_CYCLE); + regval1 = FIELD_PREP(WZRD_DIVCLK_EDGE, edged); + writel(regval1, divider->base + WZRD_CLK_CFG_REG(1, + WZRD_DESKEW_2)); + regval1 = regh | regh << WZRD_CLKFBOUT_H_SHIFT; + writel(regval1, divider->base + WZRD_CLK_CFG_REG(1, WZRD_DIVCLK)); + + value = divider->o; + regh = value / WZRD_O_DIV; + regval1 = readl(divider->base + WZRD_CLK_CFG_REG(1, + WZRD_CLKOUT0_1)); + regval1 |= WZRD_CLKFBOUT_PREDIV2; + regval1 = regval1 & ~(WZRD_CLKFBOUT_EDGE | WZRD_P5EN | WZRD_P5FEDGE); + + if (value % WZRD_O_DIV > 1) { + edged = 1; + regval1 |= edged << WZRD_CLKFBOUT_H_SHIFT; + } + + p5fedge = value % WZRD_DUTY_CYCLE; + p5en = value % WZRD_DUTY_CYCLE; + + regval1 = regval1 | FIELD_PREP(WZRD_P5EN, p5en) | FIELD_PREP(WZRD_P5FEDGE, p5fedge); + writel(regval1, divider->base + WZRD_CLK_CFG_REG(1, + WZRD_CLKOUT0_1)); + regval = regh | regh << WZRD_CLKFBOUT_H_SHIFT; + writel(regval, divider->base + WZRD_CLK_CFG_REG(1, + WZRD_CLKOUT0_2)); + div_addr = divider->base + WZRD_DR_INIT_VERSAL_OFFSET; + + return clk_wzrd_reconfig(divider, div_addr); +} + static int clk_wzrd_dynamic_all_nolock(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); unsigned long vco_freq, rate_div, clockout0_div; - u32 reg, pre, value, f; + void __iomem *div_addr = divider->base; + u32 reg, pre, f; int err; err = clk_wzrd_get_divisors(hw, rate, parent_rate); @@ -275,35 +518,22 @@ static int clk_wzrd_dynamic_all_nolock(struct clk_hw *hw, unsigned long rate, reg = FIELD_PREP(WZRD_CLKOUT_DIVIDE_MASK, clockout0_div) | FIELD_PREP(WZRD_CLKOUT0_FRAC_MASK, f); - writel(reg, divider->base + WZRD_CLK_CFG_REG(2)); + writel(reg, divider->base + WZRD_CLK_CFG_REG(0, 2)); /* Set divisor and clear phase offset */ reg = FIELD_PREP(WZRD_CLKFBOUT_MULT_MASK, divider->m) | FIELD_PREP(WZRD_DIVCLK_DIVIDE_MASK, divider->d); - writel(reg, divider->base + WZRD_CLK_CFG_REG(0)); - writel(divider->o, divider->base + WZRD_CLK_CFG_REG(2)); - writel(0, divider->base + WZRD_CLK_CFG_REG(3)); - /* Check status register */ - err = readl_poll_timeout(divider->base + WZRD_DR_STATUS_REG_OFFSET, value, - value & WZRD_DR_LOCK_BIT_MASK, - WZRD_USEC_POLL, WZRD_TIMEOUT_POLL); - if (err) - return -ETIMEDOUT; - - /* Initiate reconfiguration */ - writel(WZRD_DR_BEGIN_DYNA_RECONF, - divider->base + WZRD_DR_INIT_REG_OFFSET); - - /* Check status register */ - return readl_poll_timeout(divider->base + WZRD_DR_STATUS_REG_OFFSET, value, - value & WZRD_DR_LOCK_BIT_MASK, - WZRD_USEC_POLL, WZRD_TIMEOUT_POLL); + writel(reg, divider->base + WZRD_CLK_CFG_REG(0, 0)); + writel(divider->o, divider->base + WZRD_CLK_CFG_REG(0, 2)); + writel(0, divider->base + WZRD_CLK_CFG_REG(0, 3)); + div_addr = divider->base + WZRD_DR_INIT_REG_OFFSET; + return clk_wzrd_reconfig(divider, div_addr); } static int clk_wzrd_dynamic_all(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); - unsigned long flags = 0; + unsigned long flags; int ret; spin_lock_irqsave(divider->lock, flags); @@ -315,21 +545,103 @@ static int clk_wzrd_dynamic_all(struct clk_hw *hw, unsigned long rate, return ret; } +static int clk_wzrd_dynamic_all_ver(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); + unsigned long flags; + int ret; + + spin_lock_irqsave(divider->lock, flags); + + ret = clk_wzrd_dynamic_ver_all_nolock(hw, rate, parent_rate); + + spin_unlock_irqrestore(divider->lock, flags); + + return ret; +} + static unsigned long clk_wzrd_recalc_rate_all(struct clk_hw *hw, unsigned long parent_rate) { struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); u32 m, d, o, div, reg, f; - reg = readl(divider->base + WZRD_CLK_CFG_REG(0)); + reg = readl(divider->base + WZRD_CLK_CFG_REG(0, 0)); d = FIELD_GET(WZRD_DIVCLK_DIVIDE_MASK, reg); m = FIELD_GET(WZRD_CLKFBOUT_MULT_MASK, reg); - reg = readl(divider->base + WZRD_CLK_CFG_REG(2)); + reg = readl(divider->base + WZRD_CLK_CFG_REG(0, 2)); o = FIELD_GET(WZRD_DIVCLK_DIVIDE_MASK, reg); f = FIELD_GET(WZRD_CLKOUT0_FRAC_MASK, reg); div = DIV_ROUND_CLOSEST(d * (WZRD_FRAC_POINTS * o + f), WZRD_FRAC_POINTS); return divider_recalc_rate(hw, parent_rate * m, div, divider->table, + divider->flags, divider->width); +} + +static unsigned long clk_wzrd_recalc_rate_all_ver(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); + u32 edged, div2, p5en, edge, prediv2, all, regl, regh, mult; + u32 div, reg; + + edge = !!(readl(divider->base + WZRD_CLK_CFG_REG(1, WZRD_CLKFBOUT_1)) & + WZRD_CLKFBOUT_EDGE); + + reg = readl(divider->base + WZRD_CLK_CFG_REG(1, WZRD_CLKFBOUT_2)); + regl = FIELD_GET(WZRD_CLKFBOUT_L_MASK, reg); + regh = FIELD_GET(WZRD_CLKFBOUT_H_MASK, reg); + + mult = regl + regh + edge; + if (!mult) + mult = 1; + + regl = readl(divider->base + WZRD_CLK_CFG_REG(1, WZRD_CLKFBOUT_4)) & + WZRD_CLKFBOUT_FRAC_EN; + if (regl) { + regl = readl(divider->base + WZRD_CLK_CFG_REG(1, WZRD_CLKFBOUT_3)) + & WZRD_VERSAL_FRAC_MASK; + mult = mult * WZRD_FRAC_GRADIENT + regl; + parent_rate = DIV_ROUND_CLOSEST((parent_rate * mult), WZRD_FRAC_GRADIENT); + } else { + parent_rate = parent_rate * mult; + } + + /* O Calculation */ + reg = readl(divider->base + WZRD_CLK_CFG_REG(1, WZRD_CLKOUT0_1)); + edged = FIELD_GET(WZRD_CLKFBOUT_EDGE, reg); + p5en = FIELD_GET(WZRD_P5EN, reg); + prediv2 = FIELD_GET(WZRD_CLKOUT0_PREDIV2, reg); + + reg = readl(divider->base + WZRD_CLK_CFG_REG(1, WZRD_CLKOUT0_2)); + /* Low time */ + regl = FIELD_GET(WZRD_CLKFBOUT_L_MASK, reg); + /* High time */ + regh = FIELD_GET(WZRD_CLKFBOUT_H_MASK, reg); + all = regh + regl + edged; + if (!all) + all = 1; + + if (prediv2) + div2 = PREDIV2_MULT * all + p5en; + else + div2 = all; + + /* D calculation */ + edged = !!(readl(divider->base + WZRD_CLK_CFG_REG(1, WZRD_DESKEW_2)) & + WZRD_DIVCLK_EDGE); + reg = readl(divider->base + WZRD_CLK_CFG_REG(1, WZRD_DIVCLK)); + /* Low time */ + regl = FIELD_GET(WZRD_CLKFBOUT_L_MASK, reg); + /* High time */ + regh = FIELD_GET(WZRD_CLKFBOUT_H_MASK, reg); + div = regl + regh + edged; + if (!div) + div = 1; + + div = div * div2; + return divider_recalc_rate(hw, parent_rate, div, divider->table, divider->flags, divider->width); } @@ -360,6 +672,18 @@ static long clk_wzrd_round_rate_all(struct clk_hw *hw, unsigned long rate, return rate; } +static const struct clk_ops clk_wzrd_ver_divider_ops = { + .round_rate = clk_wzrd_round_rate, + .set_rate = clk_wzrd_ver_dynamic_reconfig, + .recalc_rate = clk_wzrd_recalc_rate_ver, +}; + +static const struct clk_ops clk_wzrd_ver_div_all_ops = { + .round_rate = clk_wzrd_round_rate_all, + .set_rate = clk_wzrd_dynamic_all_ver, + .recalc_rate = clk_wzrd_recalc_rate_all_ver, +}; + static const struct clk_ops clk_wzrd_clk_divider_ops = { .round_rate = clk_wzrd_round_rate, .set_rate = clk_wzrd_dynamic_reconfig, @@ -484,6 +808,53 @@ static struct clk *clk_wzrd_register_divf(struct device *dev, return hw->clk; } +static struct clk *clk_wzrd_ver_register_divider(struct device *dev, + const char *name, + const char *parent_name, + unsigned long flags, + void __iomem *base, + u16 offset, + u8 shift, u8 width, + u8 clk_divider_flags, + u32 div_type, + spinlock_t *lock) +{ + struct clk_wzrd_divider *div; + struct clk_hw *hw; + struct clk_init_data init; + int ret; + + div = devm_kzalloc(dev, sizeof(*div), GFP_KERNEL); + if (!div) + return ERR_PTR(-ENOMEM); + + init.name = name; + if (clk_divider_flags & CLK_DIVIDER_READ_ONLY) + init.ops = &clk_divider_ro_ops; + else if (div_type == DIV_O) + init.ops = &clk_wzrd_ver_divider_ops; + else + init.ops = &clk_wzrd_ver_div_all_ops; + init.flags = flags; + init.parent_names = &parent_name; + init.num_parents = 1; + + div->base = base; + div->offset = offset; + div->shift = shift; + div->width = width; + div->flags = clk_divider_flags; + div->lock = lock; + div->hw.init = &init; + + hw = &div->hw; + ret = devm_clk_hw_register(dev, hw); + if (ret) + return ERR_PTR(ret); + + return hw->clk; +} + static struct clk *clk_wzrd_register_divider(struct device *dev, const char *name, const char *parent_name, @@ -588,18 +959,24 @@ static int __maybe_unused clk_wzrd_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(clk_wzrd_dev_pm_ops, clk_wzrd_suspend, clk_wzrd_resume); +static const struct versal_clk_data versal_data = { + .is_versal = true, +}; + static int clk_wzrd_probe(struct platform_device *pdev) { - int i, ret; + const char *clkout_name, *clk_name, *clk_mul_name; + u32 regl, regh, edge, regld, reghd, edged, div; + struct device_node *np = pdev->dev.of_node; + const struct versal_clk_data *data; + struct clk_wzrd *clk_wzrd; + unsigned long flags = 0; + void __iomem *ctrl_reg; u32 reg, reg_f, mult; + bool is_versal = false; unsigned long rate; - const char *clk_name; - void __iomem *ctrl_reg; - struct clk_wzrd *clk_wzrd; - const char *clkout_name; - struct device_node *np = pdev->dev.of_node; int nr_outputs; - unsigned long flags = 0; + int i, ret; clk_wzrd = devm_kzalloc(&pdev->dev, sizeof(*clk_wzrd), GFP_KERNEL); if (!clk_wzrd) @@ -641,6 +1018,10 @@ static int clk_wzrd_probe(struct platform_device *pdev) goto err_disable_clk; } + data = device_get_match_data(&pdev->dev); + if (data) + is_versal = data->is_versal; + ret = of_property_read_u32(np, "xlnx,nr-outputs", &nr_outputs); if (ret || nr_outputs > WZRD_NUM_OUTPUTS) { ret = -EINVAL; @@ -653,26 +1034,61 @@ static int clk_wzrd_probe(struct platform_device *pdev) goto err_disable_clk; } - if (nr_outputs == 1) { - clk_wzrd->clkout[0] = clk_wzrd_register_divider + if (is_versal) { + if (nr_outputs == 1) { + clk_wzrd->clkout[0] = clk_wzrd_ver_register_divider (&pdev->dev, clkout_name, __clk_get_name(clk_wzrd->clk_in1), 0, - clk_wzrd->base, WZRD_CLK_CFG_REG(3), + clk_wzrd->base, WZRD_CLK_CFG_REG(is_versal, 3), WZRD_CLKOUT_DIVIDE_SHIFT, WZRD_CLKOUT_DIVIDE_WIDTH, CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, DIV_ALL, &clkwzrd_lock); - goto out; - } - - reg = readl(clk_wzrd->base + WZRD_CLK_CFG_REG(0)); - reg_f = reg & WZRD_CLKFBOUT_FRAC_MASK; - reg_f = reg_f >> WZRD_CLKFBOUT_FRAC_SHIFT; + goto out; + } + /* register multiplier */ + edge = !!(readl(clk_wzrd->base + WZRD_CLK_CFG_REG(is_versal, 0)) & + BIT(8)); + regl = (readl(clk_wzrd->base + WZRD_CLK_CFG_REG(is_versal, 1)) & + WZRD_CLKFBOUT_L_MASK) >> WZRD_CLKFBOUT_L_SHIFT; + regh = (readl(clk_wzrd->base + WZRD_CLK_CFG_REG(is_versal, 1)) & + WZRD_CLKFBOUT_H_MASK) >> WZRD_CLKFBOUT_H_SHIFT; + mult = regl + regh + edge; + if (!mult) + mult = 1; + mult = mult * WZRD_FRAC_GRADIENT; + + regl = readl(clk_wzrd->base + WZRD_CLK_CFG_REG(is_versal, 51)) & + WZRD_CLKFBOUT_FRAC_EN; + if (regl) { + regl = readl(clk_wzrd->base + WZRD_CLK_CFG_REG(is_versal, 48)) & + WZRD_VERSAL_FRAC_MASK; + mult = mult + regl; + } + div = 64; + } else { + if (nr_outputs == 1) { + clk_wzrd->clkout[0] = clk_wzrd_register_divider + (&pdev->dev, clkout_name, + __clk_get_name(clk_wzrd->clk_in1), 0, + clk_wzrd->base, WZRD_CLK_CFG_REG(is_versal, 3), + WZRD_CLKOUT_DIVIDE_SHIFT, + WZRD_CLKOUT_DIVIDE_WIDTH, + CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, + DIV_ALL, &clkwzrd_lock); - reg = reg & WZRD_CLKFBOUT_MULT_MASK; - reg = reg >> WZRD_CLKFBOUT_MULT_SHIFT; - mult = (reg * 1000) + reg_f; + goto out; + } + reg = readl(clk_wzrd->base + WZRD_CLK_CFG_REG(is_versal, 0)); + reg_f = reg & WZRD_CLKFBOUT_FRAC_MASK; + reg_f = reg_f >> WZRD_CLKFBOUT_FRAC_SHIFT; + + reg = reg & WZRD_CLKFBOUT_MULT_MASK; + reg = reg >> WZRD_CLKFBOUT_MULT_SHIFT; + mult = (reg * 1000) + reg_f; + div = 1000; + } clk_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_mul", dev_name(&pdev->dev)); if (!clk_name) { ret = -ENOMEM; @@ -681,7 +1097,7 @@ static int clk_wzrd_probe(struct platform_device *pdev) clk_wzrd->clks_internal[wzrd_clk_mul] = clk_register_fixed_factor (&pdev->dev, clk_name, __clk_get_name(clk_wzrd->clk_in1), - 0, mult, 1000); + 0, mult, div); if (IS_ERR(clk_wzrd->clks_internal[wzrd_clk_mul])) { dev_err(&pdev->dev, "unable to register fixed-factor clock\n"); ret = PTR_ERR(clk_wzrd->clks_internal[wzrd_clk_mul]); @@ -694,13 +1110,29 @@ static int clk_wzrd_probe(struct platform_device *pdev) goto err_rm_int_clk; } - ctrl_reg = clk_wzrd->base + WZRD_CLK_CFG_REG(0); - /* register div */ - clk_wzrd->clks_internal[wzrd_clk_mul_div] = clk_register_divider + if (is_versal) { + edged = !!(readl(clk_wzrd->base + WZRD_CLK_CFG_REG(is_versal, 20)) & + BIT(10)); + regld = (readl(clk_wzrd->base + WZRD_CLK_CFG_REG(is_versal, 21)) & + WZRD_CLKFBOUT_L_MASK) >> WZRD_CLKFBOUT_L_SHIFT; + reghd = (readl(clk_wzrd->base + WZRD_CLK_CFG_REG(is_versal, 21)) & + WZRD_CLKFBOUT_H_MASK) >> WZRD_CLKFBOUT_H_SHIFT; + div = (regld + reghd + edged); + if (!div) + div = 1; + + clk_mul_name = __clk_get_name(clk_wzrd->clks_internal[wzrd_clk_mul]); + clk_wzrd->clks_internal[wzrd_clk_mul_div] = + clk_register_fixed_factor(&pdev->dev, clk_name, + clk_mul_name, 0, 1, div); + } else { + ctrl_reg = clk_wzrd->base + WZRD_CLK_CFG_REG(is_versal, 0); + clk_wzrd->clks_internal[wzrd_clk_mul_div] = clk_register_divider (&pdev->dev, clk_name, __clk_get_name(clk_wzrd->clks_internal[wzrd_clk_mul]), flags, ctrl_reg, 0, 8, CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, &clkwzrd_lock); + } if (IS_ERR(clk_wzrd->clks_internal[wzrd_clk_mul_div])) { dev_err(&pdev->dev, "unable to register divider clock\n"); ret = PTR_ERR(clk_wzrd->clks_internal[wzrd_clk_mul_div]); @@ -716,24 +1148,35 @@ static int clk_wzrd_probe(struct platform_device *pdev) goto err_rm_int_clk; } - if (!i) - clk_wzrd->clkout[i] = clk_wzrd_register_divf - (&pdev->dev, clkout_name, - clk_name, flags, - clk_wzrd->base, (WZRD_CLK_CFG_REG(2) + i * 12), - WZRD_CLKOUT_DIVIDE_SHIFT, - WZRD_CLKOUT_DIVIDE_WIDTH, - CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, - DIV_O, &clkwzrd_lock); - else - clk_wzrd->clkout[i] = clk_wzrd_register_divider - (&pdev->dev, clkout_name, - clk_name, 0, - clk_wzrd->base, (WZRD_CLK_CFG_REG(2) + i * 12), - WZRD_CLKOUT_DIVIDE_SHIFT, - WZRD_CLKOUT_DIVIDE_WIDTH, - CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, - DIV_O, &clkwzrd_lock); + if (is_versal) { + clk_wzrd->clkout[i] = clk_wzrd_ver_register_divider + (&pdev->dev, + clkout_name, clk_name, 0, + clk_wzrd->base, + (WZRD_CLK_CFG_REG(is_versal, 3) + i * 8), + WZRD_CLKOUT_DIVIDE_SHIFT, + WZRD_CLKOUT_DIVIDE_WIDTH, + CLK_DIVIDER_ONE_BASED | + CLK_DIVIDER_ALLOW_ZERO, + DIV_O, &clkwzrd_lock); + } else { + if (!i) + clk_wzrd->clkout[i] = clk_wzrd_register_divf + (&pdev->dev, clkout_name, clk_name, flags, clk_wzrd->base, + (WZRD_CLK_CFG_REG(is_versal, 2) + i * 12), + WZRD_CLKOUT_DIVIDE_SHIFT, + WZRD_CLKOUT_DIVIDE_WIDTH, + CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, + DIV_O, &clkwzrd_lock); + else + clk_wzrd->clkout[i] = clk_wzrd_register_divider + (&pdev->dev, clkout_name, clk_name, 0, clk_wzrd->base, + (WZRD_CLK_CFG_REG(is_versal, 2) + i * 12), + WZRD_CLKOUT_DIVIDE_SHIFT, + WZRD_CLKOUT_DIVIDE_WIDTH, + CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, + DIV_O, &clkwzrd_lock); + } if (IS_ERR(clk_wzrd->clkout[i])) { int j; @@ -799,9 +1242,10 @@ static void clk_wzrd_remove(struct platform_device *pdev) } static const struct of_device_id clk_wzrd_ids[] = { - { .compatible = "xlnx,clocking-wizard" }, - { .compatible = "xlnx,clocking-wizard-v5.2" }, - { .compatible = "xlnx,clocking-wizard-v6.0" }, + { .compatible = "xlnx,versal-clk-wizard", .data = &versal_data }, + { .compatible = "xlnx,clocking-wizard" }, + { .compatible = "xlnx,clocking-wizard-v5.2" }, + { .compatible = "xlnx,clocking-wizard-v6.0" }, { }, }; MODULE_DEVICE_TABLE(of, clk_wzrd_ids); diff --git a/drivers/clk/zynqmp/clk-mux-zynqmp.c b/drivers/clk/zynqmp/clk-mux-zynqmp.c index 60359333f26d..9b5d3050b742 100644 --- a/drivers/clk/zynqmp/clk-mux-zynqmp.c +++ b/drivers/clk/zynqmp/clk-mux-zynqmp.c @@ -89,7 +89,7 @@ static int zynqmp_clk_mux_set_parent(struct clk_hw *hw, u8 index) static const struct clk_ops zynqmp_clk_mux_ops = { .get_parent = zynqmp_clk_mux_get_parent, .set_parent = zynqmp_clk_mux_set_parent, - .determine_rate = __clk_mux_determine_rate, + .determine_rate = __clk_mux_determine_rate_closest, }; static const struct clk_ops zynqmp_clk_mux_ro_ops = { diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c index 33a3b2a22659..5a00487ae408 100644 --- a/drivers/clk/zynqmp/divider.c +++ b/drivers/clk/zynqmp/divider.c @@ -110,52 +110,6 @@ static unsigned long zynqmp_clk_divider_recalc_rate(struct clk_hw *hw, return DIV_ROUND_UP_ULL(parent_rate, value); } -static void zynqmp_get_divider2_val(struct clk_hw *hw, - unsigned long rate, - struct zynqmp_clk_divider *divider, - u32 *bestdiv) -{ - int div1; - int div2; - long error = LONG_MAX; - unsigned long div1_prate; - struct clk_hw *div1_parent_hw; - struct zynqmp_clk_divider *pdivider; - struct clk_hw *div2_parent_hw = clk_hw_get_parent(hw); - - if (!div2_parent_hw) - return; - - pdivider = to_zynqmp_clk_divider(div2_parent_hw); - if (!pdivider) - return; - - div1_parent_hw = clk_hw_get_parent(div2_parent_hw); - if (!div1_parent_hw) - return; - - div1_prate = clk_hw_get_rate(div1_parent_hw); - *bestdiv = 1; - for (div1 = 1; div1 <= pdivider->max_div;) { - for (div2 = 1; div2 <= divider->max_div;) { - long new_error = ((div1_prate / div1) / div2) - rate; - - if (abs(new_error) < abs(error)) { - *bestdiv = div2; - error = new_error; - } - if (divider->flags & CLK_DIVIDER_POWER_OF_TWO) - div2 = div2 << 1; - else - div2++; - } - if (pdivider->flags & CLK_DIVIDER_POWER_OF_TWO) - div1 = div1 << 1; - else - div1++; - } -} - /** * zynqmp_clk_divider_round_rate() - Round rate of divider clock * @hw: handle between common and hardware-specific interfaces @@ -174,6 +128,7 @@ static long zynqmp_clk_divider_round_rate(struct clk_hw *hw, u32 div_type = divider->div_type; u32 bestdiv; int ret; + u8 width; /* if read only, just return current value */ if (divider->flags & CLK_DIVIDER_READ_ONLY) { @@ -193,23 +148,12 @@ static long zynqmp_clk_divider_round_rate(struct clk_hw *hw, return DIV_ROUND_UP_ULL((u64)*prate, bestdiv); } - bestdiv = zynqmp_divider_get_val(*prate, rate, divider->flags); - - /* - * In case of two divisors, compute best divider values and return - * divider2 value based on compute value. div1 will be automatically - * set to optimum based on required total divider value. - */ - if (div_type == TYPE_DIV2 && - (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) { - zynqmp_get_divider2_val(hw, rate, divider, &bestdiv); - } + width = fls(divider->max_div); - if ((clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && divider->is_frac) - bestdiv = rate % *prate ? 1 : bestdiv; + rate = divider_round_rate(hw, rate, prate, NULL, width, divider->flags); - bestdiv = min_t(u32, bestdiv, divider->max_div); - *prate = rate * bestdiv; + if (divider->is_frac && (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && (rate % *prate)) + *prate = rate; return rate; } diff --git a/include/dt-bindings/clock/st,stm32mp25-rcc.h b/include/dt-bindings/clock/st,stm32mp25-rcc.h new file mode 100644 index 000000000000..b6cf05ad4be6 --- /dev/null +++ b/include/dt-bindings/clock/st,stm32mp25-rcc.h @@ -0,0 +1,492 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ +/* + * Copyright (C) STMicroelectronics 2023 - All Rights Reserved + * Author: Gabriel Fernandez <gabriel.fernandez@foss.st.com> + */ + +#ifndef _DT_BINDINGS_STM32MP25_CLKS_H_ +#define _DT_BINDINGS_STM32MP25_CLKS_H_ + +/* INTERNAL/EXTERNAL OSCILLATORS */ +#define HSI_CK 0 +#define HSE_CK 1 +#define MSI_CK 2 +#define LSI_CK 3 +#define LSE_CK 4 +#define I2S_CK 5 +#define RTC_CK 6 +#define SPDIF_CK_SYMB 7 + +/* PLL CLOCKS */ +#define PLL1_CK 8 +#define PLL2_CK 9 +#define PLL3_CK 10 +#define PLL4_CK 11 +#define PLL5_CK 12 +#define PLL6_CK 13 +#define PLL7_CK 14 +#define PLL8_CK 15 + +#define CK_CPU1 16 + +/* APB DIV CLOCKS */ +#define CK_ICN_APB1 17 +#define CK_ICN_APB2 18 +#define CK_ICN_APB3 19 +#define CK_ICN_APB4 20 +#define CK_ICN_APBDBG 21 + +/* GLOBAL TIMER */ +#define TIMG1_CK 22 +#define TIMG2_CK 23 + +/* FLEXGEN CLOCKS */ +#define CK_ICN_HS_MCU 24 +#define CK_ICN_SDMMC 25 +#define CK_ICN_DDR 26 +#define CK_ICN_DISPLAY 27 +#define CK_ICN_HSL 28 +#define CK_ICN_NIC 29 +#define CK_ICN_VID 30 +#define CK_FLEXGEN_07 31 +#define CK_FLEXGEN_08 32 +#define CK_FLEXGEN_09 33 +#define CK_FLEXGEN_10 34 +#define CK_FLEXGEN_11 35 +#define CK_FLEXGEN_12 36 +#define CK_FLEXGEN_13 37 +#define CK_FLEXGEN_14 38 +#define CK_FLEXGEN_15 39 +#define CK_FLEXGEN_16 40 +#define CK_FLEXGEN_17 41 +#define CK_FLEXGEN_18 42 +#define CK_FLEXGEN_19 43 +#define CK_FLEXGEN_20 44 +#define CK_FLEXGEN_21 45 +#define CK_FLEXGEN_22 46 +#define CK_FLEXGEN_23 47 +#define CK_FLEXGEN_24 48 +#define CK_FLEXGEN_25 49 +#define CK_FLEXGEN_26 50 +#define CK_FLEXGEN_27 51 +#define CK_FLEXGEN_28 52 +#define CK_FLEXGEN_29 53 +#define CK_FLEXGEN_30 54 +#define CK_FLEXGEN_31 55 +#define CK_FLEXGEN_32 56 +#define CK_FLEXGEN_33 57 +#define CK_FLEXGEN_34 58 +#define CK_FLEXGEN_35 59 +#define CK_FLEXGEN_36 60 +#define CK_FLEXGEN_37 61 +#define CK_FLEXGEN_38 62 +#define CK_FLEXGEN_39 63 +#define CK_FLEXGEN_40 64 +#define CK_FLEXGEN_41 65 +#define CK_FLEXGEN_42 66 +#define CK_FLEXGEN_43 67 +#define CK_FLEXGEN_44 68 +#define CK_FLEXGEN_45 69 +#define CK_FLEXGEN_46 70 +#define CK_FLEXGEN_47 71 +#define CK_FLEXGEN_48 72 +#define CK_FLEXGEN_49 73 +#define CK_FLEXGEN_50 74 +#define CK_FLEXGEN_51 75 +#define CK_FLEXGEN_52 76 +#define CK_FLEXGEN_53 77 +#define CK_FLEXGEN_54 78 +#define CK_FLEXGEN_55 79 +#define CK_FLEXGEN_56 80 +#define CK_FLEXGEN_57 81 +#define CK_FLEXGEN_58 82 +#define CK_FLEXGEN_59 83 +#define CK_FLEXGEN_60 84 +#define CK_FLEXGEN_61 85 +#define CK_FLEXGEN_62 86 +#define CK_FLEXGEN_63 87 + +/* LOW SPEED MCU CLOCK */ +#define CK_ICN_LS_MCU 88 + +#define CK_BUS_STM500 89 +#define CK_BUS_FMC 90 +#define CK_BUS_GPU 91 +#define CK_BUS_ETH1 92 +#define CK_BUS_ETH2 93 +#define CK_BUS_PCIE 94 +#define CK_BUS_DDRPHYC 95 +#define CK_BUS_SYSCPU1 96 +#define CK_BUS_ETHSW 97 +#define CK_BUS_HPDMA1 98 +#define CK_BUS_HPDMA2 99 +#define CK_BUS_HPDMA3 100 +#define CK_BUS_ADC12 101 +#define CK_BUS_ADC3 102 +#define CK_BUS_IPCC1 103 +#define CK_BUS_CCI 104 +#define CK_BUS_CRC 105 +#define CK_BUS_MDF1 106 +#define CK_BUS_OSPIIOM 107 +#define CK_BUS_BKPSRAM 108 +#define CK_BUS_HASH 109 +#define CK_BUS_RNG 110 +#define CK_BUS_CRYP1 111 +#define CK_BUS_CRYP2 112 +#define CK_BUS_SAES 113 +#define CK_BUS_PKA 114 +#define CK_BUS_GPIOA 115 +#define CK_BUS_GPIOB 116 +#define CK_BUS_GPIOC 117 +#define CK_BUS_GPIOD 118 +#define CK_BUS_GPIOE 119 +#define CK_BUS_GPIOF 120 +#define CK_BUS_GPIOG 121 +#define CK_BUS_GPIOH 122 +#define CK_BUS_GPIOI 123 +#define CK_BUS_GPIOJ 124 +#define CK_BUS_GPIOK 125 +#define CK_BUS_LPSRAM1 126 +#define CK_BUS_LPSRAM2 127 +#define CK_BUS_LPSRAM3 128 +#define CK_BUS_GPIOZ 129 +#define CK_BUS_LPDMA 130 +#define CK_BUS_HSEM 131 +#define CK_BUS_IPCC2 132 +#define CK_BUS_RTC 133 +#define CK_BUS_SPI8 134 +#define CK_BUS_LPUART1 135 +#define CK_BUS_I2C8 136 +#define CK_BUS_LPTIM3 137 +#define CK_BUS_LPTIM4 138 +#define CK_BUS_LPTIM5 139 +#define CK_BUS_IWDG5 140 +#define CK_BUS_WWDG2 141 +#define CK_BUS_I3C4 142 +#define CK_BUS_TIM2 143 +#define CK_BUS_TIM3 144 +#define CK_BUS_TIM4 145 +#define CK_BUS_TIM5 146 +#define CK_BUS_TIM6 147 +#define CK_BUS_TIM7 148 +#define CK_BUS_TIM10 149 +#define CK_BUS_TIM11 150 +#define CK_BUS_TIM12 151 +#define CK_BUS_TIM13 152 +#define CK_BUS_TIM14 153 +#define CK_BUS_LPTIM1 154 +#define CK_BUS_LPTIM2 155 +#define CK_BUS_SPI2 156 +#define CK_BUS_SPI3 157 +#define CK_BUS_SPDIFRX 158 +#define CK_BUS_USART2 159 +#define CK_BUS_USART3 160 +#define CK_BUS_UART4 161 +#define CK_BUS_UART5 162 +#define CK_BUS_I2C1 163 +#define CK_BUS_I2C2 164 +#define CK_BUS_I2C3 165 +#define CK_BUS_I2C4 166 +#define CK_BUS_I2C5 167 +#define CK_BUS_I2C6 168 +#define CK_BUS_I2C7 169 +#define CK_BUS_I3C1 170 +#define CK_BUS_I3C2 171 +#define CK_BUS_I3C3 172 +#define CK_BUS_TIM1 173 +#define CK_BUS_TIM8 174 +#define CK_BUS_TIM15 175 +#define CK_BUS_TIM16 176 +#define CK_BUS_TIM17 177 +#define CK_BUS_TIM20 178 +#define CK_BUS_SAI1 179 +#define CK_BUS_SAI2 180 +#define CK_BUS_SAI3 181 +#define CK_BUS_SAI4 182 +#define CK_BUS_USART1 183 +#define CK_BUS_USART6 184 +#define CK_BUS_UART7 185 +#define CK_BUS_UART8 186 +#define CK_BUS_UART9 187 +#define CK_BUS_FDCAN 188 +#define CK_BUS_SPI1 189 +#define CK_BUS_SPI4 190 +#define CK_BUS_SPI5 191 +#define CK_BUS_SPI6 192 +#define CK_BUS_SPI7 193 +#define CK_BUS_BSEC 194 +#define CK_BUS_IWDG1 195 +#define CK_BUS_IWDG2 196 +#define CK_BUS_IWDG3 197 +#define CK_BUS_IWDG4 198 +#define CK_BUS_WWDG1 199 +#define CK_BUS_VREF 200 +#define CK_BUS_DTS 201 +#define CK_BUS_SERC 202 +#define CK_BUS_HDP 203 +#define CK_BUS_IS2M 204 +#define CK_BUS_DSI 205 +#define CK_BUS_LTDC 206 +#define CK_BUS_CSI 207 +#define CK_BUS_DCMIPP 208 +#define CK_BUS_DDRC 209 +#define CK_BUS_DDRCFG 210 +#define CK_BUS_GICV2M 211 +#define CK_BUS_USBTC 212 +#define CK_BUS_USB3PCIEPHY 214 +#define CK_BUS_STGEN 215 +#define CK_BUS_VDEC 216 +#define CK_BUS_VENC 217 +#define CK_SYSDBG 218 +#define CK_KER_TIM2 219 +#define CK_KER_TIM3 220 +#define CK_KER_TIM4 221 +#define CK_KER_TIM5 222 +#define CK_KER_TIM6 223 +#define CK_KER_TIM7 224 +#define CK_KER_TIM10 225 +#define CK_KER_TIM11 226 +#define CK_KER_TIM12 227 +#define CK_KER_TIM13 228 +#define CK_KER_TIM14 229 +#define CK_KER_TIM1 230 +#define CK_KER_TIM8 231 +#define CK_KER_TIM15 232 +#define CK_KER_TIM16 233 +#define CK_KER_TIM17 234 +#define CK_KER_TIM20 235 +#define CK_BUS_SYSRAM 236 +#define CK_BUS_VDERAM 237 +#define CK_BUS_RETRAM 238 +#define CK_BUS_OSPI1 239 +#define CK_BUS_OSPI2 240 +#define CK_BUS_OTFD1 241 +#define CK_BUS_OTFD2 242 +#define CK_BUS_SRAM1 243 +#define CK_BUS_SRAM2 244 +#define CK_BUS_SDMMC1 245 +#define CK_BUS_SDMMC2 246 +#define CK_BUS_SDMMC3 247 +#define CK_BUS_DDR 248 +#define CK_BUS_RISAF4 249 +#define CK_BUS_USB2OHCI 250 +#define CK_BUS_USB2EHCI 251 +#define CK_BUS_USB3DR 252 +#define CK_KER_LPTIM1 253 +#define CK_KER_LPTIM2 254 +#define CK_KER_USART2 255 +#define CK_KER_UART4 256 +#define CK_KER_USART3 257 +#define CK_KER_UART5 258 +#define CK_KER_SPI2 259 +#define CK_KER_SPI3 260 +#define CK_KER_SPDIFRX 261 +#define CK_KER_I2C1 262 +#define CK_KER_I2C2 263 +#define CK_KER_I3C1 264 +#define CK_KER_I3C2 265 +#define CK_KER_I2C3 266 +#define CK_KER_I2C5 267 +#define CK_KER_I3C3 268 +#define CK_KER_I2C4 269 +#define CK_KER_I2C6 270 +#define CK_KER_I2C7 271 +#define CK_KER_SPI1 272 +#define CK_KER_SPI4 273 +#define CK_KER_SPI5 274 +#define CK_KER_SPI6 275 +#define CK_KER_SPI7 276 +#define CK_KER_USART1 277 +#define CK_KER_USART6 278 +#define CK_KER_UART7 279 +#define CK_KER_UART8 280 +#define CK_KER_UART9 281 +#define CK_KER_MDF1 282 +#define CK_KER_SAI1 283 +#define CK_KER_SAI2 284 +#define CK_KER_SAI3 285 +#define CK_KER_SAI4 286 +#define CK_KER_FDCAN 287 +#define CK_KER_DSIBLANE 288 +#define CK_KER_DSIPHY 289 +#define CK_KER_CSI 290 +#define CK_KER_CSITXESC 291 +#define CK_KER_CSIPHY 292 +#define CK_KER_LVDSPHY 293 +#define CK_KER_STGEN 294 +#define CK_KER_USB3PCIEPHY 295 +#define CK_KER_USB2PHY2EN 296 +#define CK_KER_I3C4 297 +#define CK_KER_SPI8 298 +#define CK_KER_I2C8 299 +#define CK_KER_LPUART1 300 +#define CK_KER_LPTIM3 301 +#define CK_KER_LPTIM4 302 +#define CK_KER_LPTIM5 303 +#define CK_KER_TSDBG 304 +#define CK_KER_TPIU 305 +#define CK_BUS_ETR 306 +#define CK_BUS_SYSATB 307 +#define CK_KER_ADC12 308 +#define CK_KER_ADC3 309 +#define CK_KER_OSPI1 310 +#define CK_KER_OSPI2 311 +#define CK_KER_FMC 312 +#define CK_KER_SDMMC1 313 +#define CK_KER_SDMMC2 314 +#define CK_KER_SDMMC3 315 +#define CK_KER_ETH1 316 +#define CK_KER_ETH2 317 +#define CK_KER_ETH1PTP 318 +#define CK_KER_ETH2PTP 319 +#define CK_KER_USB2PHY1 320 +#define CK_KER_USB2PHY2 321 +#define CK_KER_ETHSW 322 +#define CK_KER_ETHSWREF 323 +#define CK_MCO1 324 +#define CK_MCO2 325 +#define CK_KER_DTS 326 +#define CK_ETH1_RX 327 +#define CK_ETH1_TX 328 +#define CK_ETH1_MAC 329 +#define CK_ETH2_RX 330 +#define CK_ETH2_TX 331 +#define CK_ETH2_MAC 332 +#define CK_ETH1_STP 333 +#define CK_ETH2_STP 334 +#define CK_KER_USBTC 335 +#define CK_BUS_ADF1 336 +#define CK_KER_ADF1 337 +#define CK_BUS_LVDS 338 +#define CK_KER_LTDC 339 +#define CK_KER_GPU 340 +#define CK_BUS_ETHSWACMCFG 341 +#define CK_BUS_ETHSWACMMSG 342 +#define HSE_DIV2_CK 343 + +#define STM32MP25_LAST_CLK 344 + +#define CK_SCMI_ICN_HS_MCU 0 +#define CK_SCMI_ICN_SDMMC 1 +#define CK_SCMI_ICN_DDR 2 +#define CK_SCMI_ICN_DISPLAY 3 +#define CK_SCMI_ICN_HSL 4 +#define CK_SCMI_ICN_NIC 5 +#define CK_SCMI_ICN_VID 6 +#define CK_SCMI_FLEXGEN_07 7 +#define CK_SCMI_FLEXGEN_08 8 +#define CK_SCMI_FLEXGEN_09 9 +#define CK_SCMI_FLEXGEN_10 10 +#define CK_SCMI_FLEXGEN_11 11 +#define CK_SCMI_FLEXGEN_12 12 +#define CK_SCMI_FLEXGEN_13 13 +#define CK_SCMI_FLEXGEN_14 14 +#define CK_SCMI_FLEXGEN_15 15 +#define CK_SCMI_FLEXGEN_16 16 +#define CK_SCMI_FLEXGEN_17 17 +#define CK_SCMI_FLEXGEN_18 18 +#define CK_SCMI_FLEXGEN_19 19 +#define CK_SCMI_FLEXGEN_20 20 +#define CK_SCMI_FLEXGEN_21 21 +#define CK_SCMI_FLEXGEN_22 22 +#define CK_SCMI_FLEXGEN_23 23 +#define CK_SCMI_FLEXGEN_24 24 +#define CK_SCMI_FLEXGEN_25 25 +#define CK_SCMI_FLEXGEN_26 26 +#define CK_SCMI_FLEXGEN_27 27 +#define CK_SCMI_FLEXGEN_28 28 +#define CK_SCMI_FLEXGEN_29 29 +#define CK_SCMI_FLEXGEN_30 30 +#define CK_SCMI_FLEXGEN_31 31 +#define CK_SCMI_FLEXGEN_32 32 +#define CK_SCMI_FLEXGEN_33 33 +#define CK_SCMI_FLEXGEN_34 34 +#define CK_SCMI_FLEXGEN_35 35 +#define CK_SCMI_FLEXGEN_36 36 +#define CK_SCMI_FLEXGEN_37 37 +#define CK_SCMI_FLEXGEN_38 38 +#define CK_SCMI_FLEXGEN_39 39 +#define CK_SCMI_FLEXGEN_40 40 +#define CK_SCMI_FLEXGEN_41 41 +#define CK_SCMI_FLEXGEN_42 42 +#define CK_SCMI_FLEXGEN_43 43 +#define CK_SCMI_FLEXGEN_44 44 +#define CK_SCMI_FLEXGEN_45 45 +#define CK_SCMI_FLEXGEN_46 46 +#define CK_SCMI_FLEXGEN_47 47 +#define CK_SCMI_FLEXGEN_48 48 +#define CK_SCMI_FLEXGEN_49 49 +#define CK_SCMI_FLEXGEN_50 50 +#define CK_SCMI_FLEXGEN_51 51 +#define CK_SCMI_FLEXGEN_52 52 +#define CK_SCMI_FLEXGEN_53 53 +#define CK_SCMI_FLEXGEN_54 54 +#define CK_SCMI_FLEXGEN_55 55 +#define CK_SCMI_FLEXGEN_56 56 +#define CK_SCMI_FLEXGEN_57 57 +#define CK_SCMI_FLEXGEN_58 58 +#define CK_SCMI_FLEXGEN_59 59 +#define CK_SCMI_FLEXGEN_60 60 +#define CK_SCMI_FLEXGEN_61 61 +#define CK_SCMI_FLEXGEN_62 62 +#define CK_SCMI_FLEXGEN_63 63 +#define CK_SCMI_ICN_LS_MCU 64 +#define CK_SCMI_HSE 65 +#define CK_SCMI_LSE 66 +#define CK_SCMI_HSI 67 +#define CK_SCMI_LSI 68 +#define CK_SCMI_MSI 69 +#define CK_SCMI_HSE_DIV2 70 +#define CK_SCMI_CPU1 71 +#define CK_SCMI_SYSCPU1 72 +#define CK_SCMI_PLL2 73 +#define CK_SCMI_PLL3 74 +#define CK_SCMI_RTC 75 +#define CK_SCMI_RTCCK 76 +#define CK_SCMI_ICN_APB1 77 +#define CK_SCMI_ICN_APB2 78 +#define CK_SCMI_ICN_APB3 79 +#define CK_SCMI_ICN_APB4 80 +#define CK_SCMI_ICN_APBDBG 81 +#define CK_SCMI_TIMG1 82 +#define CK_SCMI_TIMG2 83 +#define CK_SCMI_BKPSRAM 84 +#define CK_SCMI_BSEC 85 +#define CK_SCMI_ETR 87 +#define CK_SCMI_FMC 88 +#define CK_SCMI_GPIOA 89 +#define CK_SCMI_GPIOB 90 +#define CK_SCMI_GPIOC 91 +#define CK_SCMI_GPIOD 92 +#define CK_SCMI_GPIOE 93 +#define CK_SCMI_GPIOF 94 +#define CK_SCMI_GPIOG 95 +#define CK_SCMI_GPIOH 96 +#define CK_SCMI_GPIOI 97 +#define CK_SCMI_GPIOJ 98 +#define CK_SCMI_GPIOK 99 +#define CK_SCMI_GPIOZ 100 +#define CK_SCMI_HPDMA1 101 +#define CK_SCMI_HPDMA2 102 +#define CK_SCMI_HPDMA3 103 +#define CK_SCMI_HSEM 104 +#define CK_SCMI_IPCC1 105 +#define CK_SCMI_IPCC2 106 +#define CK_SCMI_LPDMA 107 +#define CK_SCMI_RETRAM 108 +#define CK_SCMI_SRAM1 109 +#define CK_SCMI_SRAM2 110 +#define CK_SCMI_LPSRAM1 111 +#define CK_SCMI_LPSRAM2 112 +#define CK_SCMI_LPSRAM3 113 +#define CK_SCMI_VDERAM 114 +#define CK_SCMI_SYSRAM 115 +#define CK_SCMI_OSPI1 116 +#define CK_SCMI_OSPI2 117 +#define CK_SCMI_TPIU 118 +#define CK_SCMI_SYSDBG 119 +#define CK_SCMI_SYSATB 120 +#define CK_SCMI_TSDBG 121 +#define CK_SCMI_STM500 122 + +#endif /* _DT_BINDINGS_STM32MP25_CLKS_H_ */ diff --git a/include/dt-bindings/reset/st,stm32mp25-rcc.h b/include/dt-bindings/reset/st,stm32mp25-rcc.h new file mode 100644 index 000000000000..d5615930bcc8 --- /dev/null +++ b/include/dt-bindings/reset/st,stm32mp25-rcc.h @@ -0,0 +1,167 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ +/* + * Copyright (C) STMicroelectronics 2023 - All Rights Reserved + * Author(s): Gabriel Fernandez <gabriel.fernandez@foss.st.com> + */ + +#ifndef _DT_BINDINGS_STM32MP25_RESET_H_ +#define _DT_BINDINGS_STM32MP25_RESET_H_ + +#define TIM1_R 0 +#define TIM2_R 1 +#define TIM3_R 2 +#define TIM4_R 3 +#define TIM5_R 4 +#define TIM6_R 5 +#define TIM7_R 6 +#define TIM8_R 7 +#define TIM10_R 8 +#define TIM11_R 9 +#define TIM12_R 10 +#define TIM13_R 11 +#define TIM14_R 12 +#define TIM15_R 13 +#define TIM16_R 14 +#define TIM17_R 15 +#define TIM20_R 16 +#define LPTIM1_R 17 +#define LPTIM2_R 18 +#define LPTIM3_R 19 +#define LPTIM4_R 20 +#define LPTIM5_R 21 +#define SPI1_R 22 +#define SPI2_R 23 +#define SPI3_R 24 +#define SPI4_R 25 +#define SPI5_R 26 +#define SPI6_R 27 +#define SPI7_R 28 +#define SPI8_R 29 +#define SPDIFRX_R 30 +#define USART1_R 31 +#define USART2_R 32 +#define USART3_R 33 +#define UART4_R 34 +#define UART5_R 35 +#define USART6_R 36 +#define UART7_R 37 +#define UART8_R 38 +#define UART9_R 39 +#define LPUART1_R 40 +#define IS2M_R 41 +#define I2C1_R 42 +#define I2C2_R 43 +#define I2C3_R 44 +#define I2C4_R 45 +#define I2C5_R 46 +#define I2C6_R 47 +#define I2C7_R 48 +#define I2C8_R 49 +#define SAI1_R 50 +#define SAI2_R 51 +#define SAI3_R 52 +#define SAI4_R 53 +#define MDF1_R 54 +#define MDF2_R 55 +#define FDCAN_R 56 +#define HDP_R 57 +#define ADC12_R 58 +#define ADC3_R 59 +#define ETH1_R 60 +#define ETH2_R 61 +#define USB2_R 62 +#define USB2PHY1_R 63 +#define USB2PHY2_R 64 +#define USB3DR_R 65 +#define USB3PCIEPHY_R 66 +#define USBTC_R 67 +#define ETHSW_R 68 +#define SDMMC1_R 69 +#define SDMMC1DLL_R 70 +#define SDMMC2_R 71 +#define SDMMC2DLL_R 72 +#define SDMMC3_R 73 +#define SDMMC3DLL_R 74 +#define GPU_R 75 +#define LTDC_R 76 +#define DSI_R 77 +#define LVDS_R 78 +#define CSI_R 79 +#define DCMIPP_R 80 +#define CCI_R 81 +#define VDEC_R 82 +#define VENC_R 83 +#define WWDG1_R 84 +#define WWDG2_R 85 +#define VREF_R 86 +#define DTS_R 87 +#define CRC_R 88 +#define SERC_R 89 +#define OSPIIOM_R 90 +#define I3C1_R 91 +#define I3C2_R 92 +#define I3C3_R 93 +#define I3C4_R 94 +#define IWDG2_KER_R 95 +#define IWDG4_KER_R 96 +#define RNG_R 97 +#define PKA_R 98 +#define SAES_R 99 +#define HASH_R 100 +#define CRYP1_R 101 +#define CRYP2_R 102 +#define PCIE_R 103 +#define OSPI1_R 104 +#define OSPI1DLL_R 105 +#define OSPI2_R 106 +#define OSPI2DLL_R 107 +#define FMC_R 108 +#define DBG_R 109 +#define GPIOA_R 110 +#define GPIOB_R 111 +#define GPIOC_R 112 +#define GPIOD_R 113 +#define GPIOE_R 114 +#define GPIOF_R 115 +#define GPIOG_R 116 +#define GPIOH_R 117 +#define GPIOI_R 118 +#define GPIOJ_R 119 +#define GPIOK_R 120 +#define GPIOZ_R 121 +#define HPDMA1_R 122 +#define HPDMA2_R 123 +#define HPDMA3_R 124 +#define LPDMA_R 125 +#define HSEM_R 126 +#define IPCC1_R 127 +#define IPCC2_R 128 +#define C2_HOLDBOOT_R 129 +#define C1_HOLDBOOT_R 130 +#define C1_R 131 +#define C1P1POR_R 132 +#define C1P1_R 133 +#define C2_R 134 +#define C3_R 135 +#define SYS_R 136 +#define VSW_R 137 +#define C1MS_R 138 +#define DDRCP_R 139 +#define DDRCAPB_R 140 +#define DDRPHYCAPB_R 141 +#define DDRCFG_R 142 +#define DDR_R 143 + +#define STM32MP25_LAST_RESET 144 + +#define RST_SCMI_C1_R 0 +#define RST_SCMI_C2_R 1 +#define RST_SCMI_C1_HOLDBOOT_R 2 +#define RST_SCMI_C2_HOLDBOOT_R 3 +#define RST_SCMI_FMC 4 +#define RST_SCMI_OSPI1 5 +#define RST_SCMI_OSPI1DLL 6 +#define RST_SCMI_OSPI2 7 +#define RST_SCMI_OSPI2DLL 8 + +#endif /* _DT_BINDINGS_STM32MP25_RESET_H_ */ |