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

Macros
#define	STM32_CLOCK_CONTROL_NODE   DT_NODELABEL(rcc)
#define	STM32_AHB_PRESCALER   DT_PROP(DT_NODELABEL(rcc), ahb_prescaler)
#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_AHB3_PRESCALER   DT_PROP(DT_NODELABEL(rcc), ahb3_prescaler)
#define	STM32_AHB4_PRESCALER   DT_PROP(DT_NODELABEL(rcc), ahb4_prescaler)
#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_D1CPRE   DT_PROP(DT_NODELABEL(rcc), d1cpre)
#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	DT_RCC_CLOCKS_CTRL   DT_CLOCKS_CTLR(DT_NODELABEL(rcc))
#define	STM32_LSE_ENABLED   0
#define	STM32_LSE_FREQ   0
#define	STM32_LSE_DRIVING   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_DIVISOR   1
#define	STM32_HSI_FREQ   0
#define	STM32_HSE_FREQ   0
#define	STM32_CLOCK_INFO(clk_index, id)
#define	STM32_DT_CLOCKS(id)
#define	STM32_INST_CLOCK_INFO(clk_index, inst)
#define	STM32_DT_INST_CLOCKS(inst)
#define	STM32_OPT_CLOCK_INST_SUPPORT(inst)   DT_INST_CLOCKS_HAS_IDX(inst, 1) ||
#define	STM32_DT_INST_DEV_OPT_CLOCK_SUPPORT    (DT_INST_FOREACH_STATUS_OKAY(STM32_OPT_CLOCK_INST_SUPPORT) 0)
#define	STM32_OPT_CLOCK_SUPPORT(id)   DT_CLOCKS_HAS_IDX(DT_NODELABEL(id), 1) ||
#define	STM32_DT_DEV_OPT_CLOCK_SUPPORT    (DT_FOREACH_STATUS_OKAY(STM32_OPT_CLOCK_SUPPORT) 0)
#define	STM32_CLOCK_REG_GET(clock)    (((clock) >> STM32_CLOCK_REG_SHIFT) & STM32_CLOCK_REG_MASK)
	Obtain register field from clock configuration. More...
#define	STM32_CLOCK_SHIFT_GET(clock)    (((clock) >> STM32_CLOCK_SHIFT_SHIFT) & STM32_CLOCK_SHIFT_MASK)
	Obtain position field from clock configuration. More...
#define	STM32_CLOCK_MASK_GET(clock)    (((clock) >> STM32_CLOCK_MASK_SHIFT) & STM32_CLOCK_MASK_MASK)
	Obtain mask field from clock configuration. More...
#define	STM32_CLOCK_VAL_GET(clock)    (((clock) >> STM32_CLOCK_VAL_SHIFT) & STM32_CLOCK_VAL_MASK)
	Obtain value field from clock configuration. More...

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_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_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,
			id
	)

Value:

        {                                                               \
        .enr = DT_CLOCKS_CELL_BY_IDX(DT_NODELABEL(id), clk_index, bits),\
        .bus = DT_CLOCKS_CELL_BY_IDX(DT_NODELABEL(id), clk_index, bus)  \
        }

Device tree clocks helpers

STM32_CLOCK_MASK_GET

#define STM32_CLOCK_MASK_GET

(

clock

)

(((clock) >> STM32_CLOCK_MASK_SHIFT) & STM32_CLOCK_MASK_MASK)

Obtain mask field from clock configuration.

Parameters

clock

Clock bit field value.

STM32_CLOCK_REG_GET

#define STM32_CLOCK_REG_GET

(

clock

)

(((clock) >> STM32_CLOCK_REG_SHIFT) & STM32_CLOCK_REG_MASK)

Obtain register field from clock configuration.

Clock source binding accessors

Parameters

clock

clock bit field value.

STM32_CLOCK_SHIFT_GET

#define STM32_CLOCK_SHIFT_GET

(

clock

)

(((clock) >> STM32_CLOCK_SHIFT_SHIFT) & STM32_CLOCK_SHIFT_MASK)

Obtain position field from clock configuration.

Parameters

clock

Clock bit field value.

STM32_CLOCK_VAL_GET

#define STM32_CLOCK_VAL_GET

(

clock

)

(((clock) >> STM32_CLOCK_VAL_SHIFT) & STM32_CLOCK_VAL_MASK)

Obtain value field from clock configuration.

Parameters

clock

Clock bit field value.

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)

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_DT_CLOCKS

#define STM32_DT_CLOCKS

(

id

)

Value:

        {                                                               \
                LISTIFY(DT_NUM_CLOCKS(DT_NODELABEL(id)),                \
                        STM32_CLOCK_INFO, (,), id)                      \
        }

STM32_DT_DEV_OPT_CLOCK_SUPPORT

#define STM32_DT_DEV_OPT_CLOCK_SUPPORT    (DT_FOREACH_STATUS_OKAY(STM32_OPT_CLOCK_SUPPORT) 0)

STM32_DT_INST_CLOCKS

#define STM32_DT_INST_CLOCKS

(

inst

)

Value:

        {                                                               \
                LISTIFY(DT_INST_NUM_CLOCKS(inst),                       \
                        STM32_INST_CLOCK_INFO, (,), inst)               \
        }

STM32_DT_INST_DEV_OPT_CLOCK_SUPPORT

#define STM32_DT_INST_DEV_OPT_CLOCK_SUPPORT    (DT_INST_FOREACH_STATUS_OKAY(STM32_OPT_CLOCK_INST_SUPPORT) 0)

STM32_FLASH_PRESCALER

#define STM32_FLASH_PRESCALER   STM32_CORE_PRESCALER

STM32_HPRE

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

STM32_HSE_FREQ

#define STM32_HSE_FREQ   0

STM32_HSI_DIVISOR

#define STM32_HSI_DIVISOR   1

STM32_HSI_FREQ

#define STM32_HSI_FREQ   0

STM32_INST_CLOCK_INFO

#define STM32_INST_CLOCK_INFO	(		clk_index,
			inst
	)

Value:

        {                                                               \
        .enr = DT_INST_CLOCKS_CELL_BY_IDX(inst, clk_index, bits),       \
        .bus = DT_INST_CLOCKS_CELL_BY_IDX(inst, clk_index, bus)         \
        }

STM32_LSE_DRIVING

#define STM32_LSE_DRIVING   0

STM32_LSE_ENABLED

#define STM32_LSE_ENABLED   0

PLL node related symbols 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_OPT_CLOCK_INST_SUPPORT

#define STM32_OPT_CLOCK_INST_SUPPORT

(

inst

)

DT_INST_CLOCKS_HAS_IDX(inst, 1) ||

STM32_OPT_CLOCK_SUPPORT

#define STM32_OPT_CLOCK_SUPPORT

(

id

)

DT_CLOCKS_HAS_IDX(DT_NODELABEL(id), 1) ||