stm32_clock_control.h File Reference

#include <zephyr/drivers/clock_control.h>
#include <zephyr/dt-bindings/clock/stm32_clock.h>

Go to the source code of this file.

Data Structures
struct	stm32_pclken
	Driver structure definition. More...

Macros
#define	STM32_HCLK_FREQUENCY   DT_PROP(DT_NODELABEL(rcc), clock_frequency)
#define	STM32_CLOCK_CONTROL_NODE   DT_NODELABEL(rcc)
	Common clock control device node for all STM32 chips.
#define	STM32_AHB_PRESCALER   DT_PROP(DT_NODELABEL(rcc), ahb_prescaler)
	RCC node related symbols.
#define	STM32_APB1_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb1_prescaler)
#define	STM32_APB2_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb2_prescaler)
#define	STM32_APB3_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb3_prescaler)
#define	STM32_APB4_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb4_prescaler)
#define	STM32_APB5_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb5_prescaler)
#define	STM32_APB7_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb7_prescaler)
#define	STM32_AHB3_PRESCALER   DT_PROP(DT_NODELABEL(rcc), ahb3_prescaler)
#define	STM32_AHB4_PRESCALER   DT_PROP(DT_NODELABEL(rcc), ahb4_prescaler)
#define	STM32_AHB5_PRESCALER   DT_PROP_OR(DT_NODELABEL(rcc), ahb5_prescaler, 1)
#define	STM32_CPU1_PRESCALER   DT_PROP(DT_NODELABEL(rcc), cpu1_prescaler)
#define	STM32_CPU2_PRESCALER   DT_PROP(DT_NODELABEL(rcc), cpu2_prescaler)
#define	STM32_FLASH_PRESCALER   STM32_CORE_PRESCALER
#define	STM32_TIMER_PRESCALER   DT_PROP(DT_NODELABEL(rcc), timpre)
#define	STM32_D1CPRE   DT_PROP(DT_NODELABEL(rcc), d1cpre)
	STM2H7RS specific RCC dividers.
#define	STM32_HPRE   DT_PROP(DT_NODELABEL(rcc), hpre)
#define	STM32_D2PPRE1   DT_PROP(DT_NODELABEL(rcc), d2ppre1)
#define	STM32_D2PPRE2   DT_PROP(DT_NODELABEL(rcc), d2ppre2)
#define	STM32_D1PPRE   DT_PROP(DT_NODELABEL(rcc), d1ppre)
#define	STM32_D3PPRE   DT_PROP(DT_NODELABEL(rcc), d3ppre)
#define	STM32_AHB5_DIV   DT_PROP(DT_NODELABEL(rcc), ahb5_div)
	STM2WBA specifics RCC dividers.
#define	DT_RCC_CLOCKS_CTRL   DT_CLOCKS_CTLR(DT_NODELABEL(rcc))
#define	STM32_LSE_ENABLED   0
	clock 48MHz node related symbols
#define	STM32_LSE_FREQ   0
#define	STM32_LSE_DRIVING   0
#define	STM32_LSE_BYPASS   0
#define	STM32_MSIS_ENABLED   0
#define	STM32_MSIS_RANGE   0
#define	STM32_MSIS_PLL_MODE   0
#define	STM32_MSIK_ENABLED   0
#define	STM32_MSIK_RANGE   0
#define	STM32_MSIK_PLL_MODE   0
#define	STM32_CSI_FREQ   0
#define	STM32_LSI_FREQ   0
#define	STM32_HSI_DIV_ENABLED   0
#define	STM32_HSI_DIVISOR   1
#define	STM32_HSI_FREQ   0
#define	STM32_HSE_FREQ   0
#define	STM32_CLOCK_INFO(clk_index, node_id)
	Device tree clocks helpers.
#define	STM32_DT_CLOCKS(node_id)
#define	STM32_DT_INST_CLOCKS(inst)
#define	STM32_DT_INST_CLOCK_INFO_BY_IDX(clk_index, inst)
#define	STM32_DT_INST_CLOCK_INFO(inst)
#define	STM32_CLOCK_INFO_BY_NAME(node_id, name)
#define	STM32_DT_INST_CLOCK_INFO_BY_NAME(inst, name)
#define	STM32_DOMAIN_CLOCK_INST_SUPPORT(inst)
#define	STM32_DT_INST_DEV_DOMAIN_CLOCK_SUPPORT    (DT_INST_FOREACH_STATUS_OKAY(STM32_DOMAIN_CLOCK_INST_SUPPORT) 0)
#define	STM32_DT_CLKSEL_REG_GET(clock)
	Clock source binding accessors.
#define	STM32_DT_CLKSEL_SHIFT_GET(clock)
	Obtain position field from clock source selection configuration.
#define	STM32_DT_CLKSEL_MASK_GET(clock)
	Obtain mask field from clock source selection configuration.
#define	STM32_DT_CLKSEL_VAL_GET(clock)
	Obtain value field from clock source selection configuration.

Macro Definition Documentation

DT_RCC_CLOCKS_CTRL

#define DT_RCC_CLOCKS_CTRL   DT_CLOCKS_CTLR(DT_NODELABEL(rcc))

STM32_AHB3_PRESCALER

#define STM32_AHB3_PRESCALER   DT_PROP(DT_NODELABEL(rcc), ahb3_prescaler)

STM32_AHB4_PRESCALER

#define STM32_AHB4_PRESCALER   DT_PROP(DT_NODELABEL(rcc), ahb4_prescaler)

STM32_AHB5_DIV

#define STM32_AHB5_DIV   DT_PROP(DT_NODELABEL(rcc), ahb5_div)

STM2WBA specifics RCC dividers.

STM32_AHB5_PRESCALER

#define STM32_AHB5_PRESCALER   DT_PROP_OR(DT_NODELABEL(rcc), ahb5_prescaler, 1)

STM32_AHB_PRESCALER

#define STM32_AHB_PRESCALER   DT_PROP(DT_NODELABEL(rcc), ahb_prescaler)

RCC node related symbols.

STM32_APB1_PRESCALER

#define STM32_APB1_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb1_prescaler)

STM32_APB2_PRESCALER

#define STM32_APB2_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb2_prescaler)

STM32_APB3_PRESCALER

#define STM32_APB3_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb3_prescaler)

STM32_APB4_PRESCALER

#define STM32_APB4_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb4_prescaler)

STM32_APB5_PRESCALER

#define STM32_APB5_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb5_prescaler)

STM32_APB7_PRESCALER

#define STM32_APB7_PRESCALER   DT_PROP(DT_NODELABEL(rcc), apb7_prescaler)

STM32_CLOCK_CONTROL_NODE

#define STM32_CLOCK_CONTROL_NODE   DT_NODELABEL(rcc)

Common clock control device node for all STM32 chips.

STM32_CLOCK_INFO

#define STM32_CLOCK_INFO	(		clk_index,
			node_id )

Value:

        {                                                                       \
                .enr = DT_CLOCKS_CELL_BY_IDX(node_id, clk_index, bits),            \
                .bus = DT_CLOCKS_CELL_BY_IDX(node_id, clk_index, bus) &            \
                       GENMASK(STM32_CLOCK_DIV_SHIFT - 1, 0),                      \
                .div = DT_CLOCKS_CELL_BY_IDX(node_id, clk_index, bus) >>   \
                       STM32_CLOCK_DIV_SHIFT,                                      \
        }

Device tree clocks helpers.

STM32_CLOCK_INFO_BY_NAME

#define STM32_CLOCK_INFO_BY_NAME	(		node_id,
			name )

Value:

        {                                                               \
                .enr = DT_CLOCKS_CELL_BY_NAME(node_id, name, bits),       \
                .bus = DT_CLOCKS_CELL_BY_NAME(node_id, name, bus) &       \
                       GENMASK(STM32_CLOCK_DIV_SHIFT - 1, 0),              \
                .div = DT_CLOCKS_CELL_BY_NAME(node_id, name, bus) >>      \
                       STM32_CLOCK_DIV_SHIFT,                              \
        }

STM32_CPU1_PRESCALER

#define STM32_CPU1_PRESCALER   DT_PROP(DT_NODELABEL(rcc), cpu1_prescaler)

STM32_CPU2_PRESCALER

#define STM32_CPU2_PRESCALER   DT_PROP(DT_NODELABEL(rcc), cpu2_prescaler)

STM32_CSI_FREQ

#define STM32_CSI_FREQ   0

STM32_D1CPRE

#define STM32_D1CPRE   DT_PROP(DT_NODELABEL(rcc), d1cpre)

STM2H7RS specific RCC dividers.

STM32_D1PPRE

#define STM32_D1PPRE   DT_PROP(DT_NODELABEL(rcc), d1ppre)

STM32_D2PPRE1

#define STM32_D2PPRE1   DT_PROP(DT_NODELABEL(rcc), d2ppre1)

STM32_D2PPRE2

#define STM32_D2PPRE2   DT_PROP(DT_NODELABEL(rcc), d2ppre2)

STM32_D3PPRE

#define STM32_D3PPRE   DT_PROP(DT_NODELABEL(rcc), d3ppre)

STM32_DOMAIN_CLOCK_INST_SUPPORT

#define STM32_DOMAIN_CLOCK_INST_SUPPORT

(

inst

)

Value:

DT_INST_CLOCKS_HAS_IDX(inst, 1) ||

STM32_DT_CLKSEL_MASK_GET

#define STM32_DT_CLKSEL_MASK_GET

(

clock

)

Value:

        BIT_MASK((((clock) >> STM32_DT_CLKSEL_WIDTH_SHIFT) & STM32_DT_CLKSEL_WIDTH_MASK) + 1)

Obtain mask field from clock source selection configuration.

Parameters

clock

Clock bit field value.

STM32_DT_CLKSEL_REG_GET

#define STM32_DT_CLKSEL_REG_GET

(

clock

)

Value:

        (((clock) >> STM32_DT_CLKSEL_REG_SHIFT) & STM32_DT_CLKSEL_REG_MASK)

Clock source binding accessors.

Obtain register field from clock source selection configuration.

Parameters

clock

clock bit field value.

STM32_DT_CLKSEL_SHIFT_GET

#define STM32_DT_CLKSEL_SHIFT_GET

(

clock

)

Value:

        (((clock) >> STM32_DT_CLKSEL_SHIFT_SHIFT) & STM32_DT_CLKSEL_SHIFT_MASK)

Obtain position field from clock source selection configuration.

Parameters

clock

Clock bit field value.

STM32_DT_CLKSEL_VAL_GET

#define STM32_DT_CLKSEL_VAL_GET

(

clock

)

Value:

        (((clock) >> STM32_DT_CLKSEL_VAL_SHIFT) & STM32_DT_CLKSEL_VAL_MASK)

Obtain value field from clock source selection configuration.

Parameters

clock

Clock bit field value.

STM32_DT_CLOCKS

#define STM32_DT_CLOCKS

(

node_id

)

Value:

        {                                                               \
                LISTIFY(DT_NUM_CLOCKS(node_id),                            \
                        STM32_CLOCK_INFO, (,), node_id)                 \
        }

STM32_DT_INST_CLOCK_INFO

#define STM32_DT_INST_CLOCK_INFO

(

inst

)

Value:

        STM32_DT_INST_CLOCK_INFO_BY_IDX(0, inst)

STM32_DT_INST_CLOCK_INFO_BY_IDX

#define STM32_DT_INST_CLOCK_INFO_BY_IDX	(		clk_index,
			inst )

Value:

        STM32_CLOCK_INFO(clk_index, DT_DRV_INST(inst))

STM32_DT_INST_CLOCK_INFO_BY_NAME

#define STM32_DT_INST_CLOCK_INFO_BY_NAME	(		inst,
			name )

Value:

        STM32_CLOCK_INFO_BY_NAME(DT_DRV_INST(inst), name)

STM32_DT_INST_CLOCKS

#define STM32_DT_INST_CLOCKS

(

inst

)

Value:

        STM32_DT_CLOCKS(DT_DRV_INST(inst))

STM32_DT_INST_DEV_DOMAIN_CLOCK_SUPPORT

#define STM32_DT_INST_DEV_DOMAIN_CLOCK_SUPPORT    (DT_INST_FOREACH_STATUS_OKAY(STM32_DOMAIN_CLOCK_INST_SUPPORT) 0)

STM32_FLASH_PRESCALER

#define STM32_FLASH_PRESCALER   STM32_CORE_PRESCALER

STM32_HCLK_FREQUENCY

#define STM32_HCLK_FREQUENCY   DT_PROP(DT_NODELABEL(rcc), clock_frequency)

STM32_HPRE

#define STM32_HPRE   DT_PROP(DT_NODELABEL(rcc), hpre)

STM32_HSE_FREQ

#define STM32_HSE_FREQ   0

STM32_HSI_DIV_ENABLED

#define STM32_HSI_DIV_ENABLED   0

STM32_HSI_DIVISOR

#define STM32_HSI_DIVISOR   1

STM32_HSI_FREQ

#define STM32_HSI_FREQ   0

STM32_LSE_BYPASS

#define STM32_LSE_BYPASS   0

STM32_LSE_DRIVING

#define STM32_LSE_DRIVING   0

STM32_LSE_ENABLED

#define STM32_LSE_ENABLED   0

clock 48MHz node related symbols

PLL node related symbols PLL/PLL1 clock source PLL2 clock source PLL3 clock source PLL4 clock source PLLSAI clock source PLLSAI1 clock source PLLSAI2 clock source Fixed clocks related symbols

STM32_LSE_FREQ

#define STM32_LSE_FREQ   0

STM32_LSI_FREQ

#define STM32_LSI_FREQ   0

STM32_MSIK_ENABLED

#define STM32_MSIK_ENABLED   0

STM32_MSIK_PLL_MODE

#define STM32_MSIK_PLL_MODE   0

STM32_MSIK_RANGE

#define STM32_MSIK_RANGE   0

STM32_MSIS_ENABLED

#define STM32_MSIS_ENABLED   0

STM32_MSIS_PLL_MODE

#define STM32_MSIS_PLL_MODE   0

STM32_MSIS_RANGE

#define STM32_MSIS_RANGE   0

STM32_TIMER_PRESCALER

#define STM32_TIMER_PRESCALER   DT_PROP(DT_NODELABEL(rcc), timpre)