1 /* 2 * Copyright (c) 2022 Linaro Limited 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32WL_CLOCK_H_ 7 #define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32WL_CLOCK_H_ 8 9 #include "stm32_common_clocks.h" 10 11 /** Bus clocks */ 12 #define STM32_CLOCK_BUS_AHB1 0x048 13 #define STM32_CLOCK_BUS_AHB2 0x04c 14 #define STM32_CLOCK_BUS_AHB3 0x050 15 #define STM32_CLOCK_BUS_APB1 0x058 16 #define STM32_CLOCK_BUS_APB1_2 0x05c 17 #define STM32_CLOCK_BUS_APB2 0x060 18 #define STM32_CLOCK_BUS_APB3 0x064 19 20 #define STM32_PERIPH_BUS_MIN STM32_CLOCK_BUS_AHB1 21 #define STM32_PERIPH_BUS_MAX STM32_CLOCK_BUS_APB3 22 23 /** Domain clocks */ 24 /* RM0461, §6.4.29 Clock configuration register (RCC_CFGR3) */ 25 26 27 /** System clock */ 28 /* defined in stm32_common_clocks.h */ 29 /** Fixed clocks */ 30 /* Low speed clocks defined in stm32_common_clocks.h */ 31 #define STM32_SRC_HSI (STM32_SRC_LSI + 1) 32 #define STM32_SRC_MSI (STM32_SRC_HSI + 1) 33 /* #define STM32_SRC_HSI48 TBD */ 34 /** Bus clock */ 35 #define STM32_SRC_PCLK (STM32_SRC_MSI + 1) 36 /** PLL clock outputs */ 37 #define STM32_SRC_PLL_P (STM32_SRC_PCLK + 1) 38 #define STM32_SRC_PLL_Q (STM32_SRC_PLL_P + 1) 39 #define STM32_SRC_PLL_R (STM32_SRC_PLL_Q + 1) 40 41 /** @brief RCC_CCIPR register offset */ 42 #define CCIPR_REG 0x88 43 44 /** @brief RCC_BDCR register offset */ 45 #define BDCR_REG 0x90 46 47 /** @brief Device domain clocks selection helpers */ 48 /** CCIPR devices */ 49 #define USART1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 0, CCIPR_REG) 50 #define USART2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 2, CCIPR_REG) 51 #define SPI2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 8, CCIPR_REG) 52 #define LPUART1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 10, CCIPR_REG) 53 #define I2C1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR_REG) 54 #define I2C2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 14, CCIPR_REG) 55 #define I2C3_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 16, CCIPR_REG) 56 #define LPTIM1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 18, CCIPR_REG) 57 #define LPTIM2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 20, CCIPR_REG) 58 #define LPTIM3_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 22, CCIPR_REG) 59 #define ADC_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 28, CCIPR_REG) 60 #define RNG_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 30, CCIPR_REG) 61 /** BDCR devices */ 62 #define RTC_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 8, BDCR_REG) 63 64 #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32WL_CLOCK_H_ */ 65
