stm32u0_clock.h File Reference

#include "stm32_common_clocks.h"

Go to the source code of this file.

Macros
#define	STM32_CLOCK_BUS_AHB1   0x48
	Bus gatting clocks.
#define	STM32_CLOCK_BUS_IOP   0x4C
#define	STM32_CLOCK_BUS_APB1   0x58
#define	STM32_CLOCK_BUS_APB1_2   0x60
#define	STM32_PERIPH_BUS_MIN   STM32_CLOCK_BUS_AHB1
#define	STM32_PERIPH_BUS_MAX   STM32_CLOCK_BUS_APB1_2
#define	STM32_SRC_HSI   (STM32_SRC_LSI + 1)
	Domain clocks.
#define	STM32_SRC_HSI48   (STM32_SRC_HSI + 1)
#define	STM32_SRC_MSI   (STM32_SRC_HSI48 + 1)
#define	STM32_SRC_HSE   (STM32_SRC_MSI + 1)
#define	STM32_SRC_PCLK   (STM32_SRC_HSE + 1)
	Peripheral bus clock.
#define	STM32_SRC_PLL_P   (STM32_SRC_PCLK + 1)
	PLL clock outputs.
#define	STM32_SRC_PLL_Q   (STM32_SRC_PLL_P + 1)
#define	STM32_SRC_PLL_R   (STM32_SRC_PLL_Q + 1)
#define	STM32_SRC_CK48   (STM32_SRC_PLL_R + 1)
#define	CCIPR_REG   0x88
	RCC_CCIPR register offset.
#define	BDCR_REG   0x90
	RCC_BDCR register offset.
#define	USART1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 1, 0, CCIPR_REG)
	Device domain clocks selection helpers.
#define	USART2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 3, 2, CCIPR_REG)
#define	LPUART3_SEL(val)   STM32_DT_CLOCK_SELECT((val), 7, 6, CCIPR_REG)
#define	LPUART2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 9, 8, CCIPR_REG)
#define	LPUART1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 11, 10, CCIPR_REG)
#define	I2C1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 13, 12, CCIPR_REG)
#define	I2C3_SEL(val)   STM32_DT_CLOCK_SELECT((val), 17, 16, CCIPR_REG)
#define	LPTIM1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 19, 18, CCIPR_REG)
#define	LPTIM2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 21, 20, CCIPR_REG)
#define	LPTIM3_SEL(val)   STM32_DT_CLOCK_SELECT((val), 23, 22, CCIPR_REG)
#define	TIM1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 24, 24, CCIPR_REG)
#define	TIM15_SEL(val)   STM32_DT_CLOCK_SELECT((val), 25, 25, CCIPR_REG)
#define	CLK48_SEL(val)   STM32_DT_CLOCK_SELECT((val), 27, 26, CCIPR_REG)
#define	ADC_SEL(val)   STM32_DT_CLOCK_SELECT((val), 29, 28, CCIPR_REG)
#define	RTC_SEL(val)   STM32_DT_CLOCK_SELECT((val), 9, 8, BDCR_REG)
	BDCR devices.

Macro Definition Documentation

ADC_SEL

#define ADC_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 29, 28, CCIPR_REG)

BDCR_REG

#define BDCR_REG   0x90

RCC_BDCR register offset.

CCIPR_REG

#define CCIPR_REG   0x88

RCC_CCIPR register offset.

CLK48_SEL

#define CLK48_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 27, 26, CCIPR_REG)

I2C1_SEL

#define I2C1_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 13, 12, CCIPR_REG)

I2C3_SEL

#define I2C3_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 17, 16, CCIPR_REG)

LPTIM1_SEL

#define LPTIM1_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 19, 18, CCIPR_REG)

LPTIM2_SEL

#define LPTIM2_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 21, 20, CCIPR_REG)

LPTIM3_SEL

#define LPTIM3_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 23, 22, CCIPR_REG)

LPUART1_SEL

#define LPUART1_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 11, 10, CCIPR_REG)

LPUART2_SEL

#define LPUART2_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 9, 8, CCIPR_REG)

LPUART3_SEL

#define LPUART3_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 7, 6, CCIPR_REG)

RTC_SEL

#define RTC_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 9, 8, BDCR_REG)

BDCR devices.

STM32_CLOCK_BUS_AHB1

#define STM32_CLOCK_BUS_AHB1   0x48

Bus gatting clocks.

STM32_CLOCK_BUS_APB1

#define STM32_CLOCK_BUS_APB1   0x58

STM32_CLOCK_BUS_APB1_2

#define STM32_CLOCK_BUS_APB1_2   0x60

STM32_CLOCK_BUS_IOP

#define STM32_CLOCK_BUS_IOP   0x4C

STM32_PERIPH_BUS_MAX

#define STM32_PERIPH_BUS_MAX   STM32_CLOCK_BUS_APB1_2

STM32_PERIPH_BUS_MIN

#define STM32_PERIPH_BUS_MIN   STM32_CLOCK_BUS_AHB1

STM32_SRC_CK48

#define STM32_SRC_CK48   (STM32_SRC_PLL_R + 1)

STM32_SRC_HSE

#define STM32_SRC_HSE   (STM32_SRC_MSI + 1)

STM32_SRC_HSI

#define STM32_SRC_HSI   (STM32_SRC_LSI + 1)

Domain clocks.

System clock Fixed clocks

STM32_SRC_HSI48

#define STM32_SRC_HSI48   (STM32_SRC_HSI + 1)

STM32_SRC_MSI

#define STM32_SRC_MSI   (STM32_SRC_HSI48 + 1)

STM32_SRC_PCLK

#define STM32_SRC_PCLK   (STM32_SRC_HSE + 1)

Peripheral bus clock.

STM32_SRC_PLL_P

#define STM32_SRC_PLL_P   (STM32_SRC_PCLK + 1)

PLL clock outputs.

STM32_SRC_PLL_Q

#define STM32_SRC_PLL_Q   (STM32_SRC_PLL_P + 1)

STM32_SRC_PLL_R

#define STM32_SRC_PLL_R   (STM32_SRC_PLL_Q + 1)

TIM15_SEL

#define TIM15_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 25, 25, CCIPR_REG)

TIM1_SEL

#define TIM1_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 24, 24, CCIPR_REG)

USART1_SEL

#define USART1_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 1, 0, CCIPR_REG)

Device domain clocks selection helpers.

CCIPR devices

USART2_SEL

#define USART2_SEL

(

val

)

STM32_DT_CLOCK_SELECT((val), 3, 2, CCIPR_REG)