Zephyr API Documentation 4.1.99
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stm32f3_clock.h
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1/*
2 * Copyright (c) 2022 Linaro Limited
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32F3_CLOCK_H_
7#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32F3_CLOCK_H_
8
10
12#define STM32_CLOCK_BUS_AHB1 0x014
13#define STM32_CLOCK_BUS_APB2 0x018
14#define STM32_CLOCK_BUS_APB1 0x01c
15
16#define STM32_PERIPH_BUS_MIN STM32_CLOCK_BUS_AHB1
17#define STM32_PERIPH_BUS_MAX STM32_CLOCK_BUS_APB1
18
20/* RM0316, §9.4.13 Clock configuration register (RCC_CFGR3) */
21
23/* Defined in stm32_common_clocks.h */
24
26/* Low speed clocks defined in stm32_common_clocks.h */
27#define STM32_SRC_HSI (STM32_SRC_LSI + 1)
28/* #define STM32_SRC_HSI48 TDB */
30#define STM32_SRC_PCLK (STM32_SRC_HSI + 1)
32#define STM32_SRC_PLLCLK (STM32_SRC_PCLK + 1)
33
35#define CFGR_REG 0x04
36#define CFGR3_REG 0x30
37
39#define BDCR_REG 0x20
40
43#define I2S_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 23, CFGR_REG)
44#define MCO1_SEL(val) STM32_DT_CLOCK_SELECT((val), 0x7, 24, CFGR_REG)
45#define MCO1_PRE(val) STM32_DT_CLOCK_SELECT((val), 0x7, 28, CFGR_REG)
47#define USART1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 0, CFGR3_REG)
48#define I2C1_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 4, CFGR3_REG)
49#define I2C2_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 5, CFGR3_REG)
50#define I2C3_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 6, CFGR3_REG)
51#define TIM1_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 8, CFGR3_REG)
52#define TIM8_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 9, CFGR3_REG)
53#define TIM15_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 10, CFGR3_REG)
54#define TIM16_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 11, CFGR3_REG)
55#define TIM17_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 13, CFGR3_REG)
56#define TIM20_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 15, CFGR3_REG)
57#define USART2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 16, CFGR3_REG)
58#define USART3_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 18, CFGR3_REG)
59#define USART4_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 20, CFGR3_REG)
60#define USART5_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 22, CFGR3_REG)
61#define TIM2_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 24, CFGR3_REG)
62#define TIM3_4_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 25, CFGR3_REG)
64#define RTC_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 8, BDCR_REG)
65
66#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32F3_CLOCK_H_ */