/* * Copyright (c) 2022 Linaro Limited * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32H7_CLOCK_H_ #define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32H7_CLOCK_H_ #include "stm32_common_clocks.h" /** Domain clocks */ /* RM0468, Table 56 Kernel clock dictribution summary */ /** System clock */ /* defined in stm32_common_clocks.h */ /** Fixed clocks */ /* Low speed clocks defined in stm32_common_clocks.h */ #define STM32_SRC_HSE (STM32_SRC_LSI + 1) #define STM32_SRC_HSI48 (STM32_SRC_HSE + 1) #define STM32_SRC_HSI_KER (STM32_SRC_HSI48 + 1) /* HSI + HSIKERON */ #define STM32_SRC_CSI_KER (STM32_SRC_HSI_KER + 1) /* CSI + CSIKERON */ /** PLL outputs */ #define STM32_SRC_PLL1_P (STM32_SRC_CSI_KER + 1) #define STM32_SRC_PLL1_Q (STM32_SRC_PLL1_P + 1) #define STM32_SRC_PLL1_R (STM32_SRC_PLL1_Q + 1) #define STM32_SRC_PLL2_P (STM32_SRC_PLL1_R + 1) #define STM32_SRC_PLL2_Q (STM32_SRC_PLL2_P + 1) #define STM32_SRC_PLL2_R (STM32_SRC_PLL2_Q + 1) #define STM32_SRC_PLL3_P (STM32_SRC_PLL2_R + 1) #define STM32_SRC_PLL3_Q (STM32_SRC_PLL3_P + 1) #define STM32_SRC_PLL3_R (STM32_SRC_PLL3_Q + 1) /** Clock muxes */ #define STM32_SRC_CKPER (STM32_SRC_PLL3_R + 1) /** Others: Not yet supported */ /* #define STM32_SRC_I2SCKIN TBD */ /* #define STM32_SRC_SPDIFRX TBD */ /** Bus clocks */ #define STM32_CLOCK_BUS_AHB3 0x0D4 #define STM32_CLOCK_BUS_AHB1 0x0D8 #define STM32_CLOCK_BUS_AHB2 0x0DC #define STM32_CLOCK_BUS_AHB4 0x0E0 #define STM32_CLOCK_BUS_APB3 0x0E4 #define STM32_CLOCK_BUS_APB1 0x0E8 #define STM32_CLOCK_BUS_APB1_2 0x0EC #define STM32_CLOCK_BUS_APB2 0x0F0 #define STM32_CLOCK_BUS_APB4 0x0F4 /** Alias D1/2/3 domains clocks */ /* TBD: To remove ? */ #define STM32_SRC_PCLK1 STM32_CLOCK_BUS_APB1 #define STM32_SRC_PCLK2 STM32_CLOCK_BUS_APB2 #define STM32_SRC_HCLK3 STM32_CLOCK_BUS_AHB3 #define STM32_SRC_PCLK3 STM32_CLOCK_BUS_APB3 #define STM32_SRC_PCLK4 STM32_CLOCK_BUS_APB4 #define STM32_PERIPH_BUS_MIN STM32_CLOCK_BUS_AHB3 #define STM32_PERIPH_BUS_MAX STM32_CLOCK_BUS_APB4 #define STM32_CLOCK_REG_MASK 0xFFU #define STM32_CLOCK_REG_SHIFT 0U #define STM32_CLOCK_SHIFT_MASK 0x1FU #define STM32_CLOCK_SHIFT_SHIFT 8U #define STM32_CLOCK_MASK_MASK 0x7U #define STM32_CLOCK_MASK_SHIFT 13U #define STM32_CLOCK_VAL_MASK 0x7U #define STM32_CLOCK_VAL_SHIFT 16U /** * @brief STM32H7 clock configuration bit field. * * - reg (0/1) [ 0 : 7 ] * - shift (0..31) [ 8 : 12 ] * - mask (0x1, 0x3, 0x7) [ 13 : 15 ] * - val (0..3) [ 16 : 18 ] * * @param reg RCC_DxCCIP register offset * @param shift Position within RCC_DxCCIP. * @param mask Mask for the RCC_DxCCIP field. * @param val Clock value (0, 1, 2 or 3). */ #define STM32_DOMAIN_CLOCK(val, mask, shift, reg) \ ((((reg) & STM32_CLOCK_REG_MASK) << STM32_CLOCK_REG_SHIFT) | \ (((shift) & STM32_CLOCK_SHIFT_MASK) << STM32_CLOCK_SHIFT_SHIFT) | \ (((mask) & STM32_CLOCK_MASK_MASK) << STM32_CLOCK_MASK_SHIFT) | \ (((val) & STM32_CLOCK_VAL_MASK) << STM32_CLOCK_VAL_SHIFT)) /** @brief RCC_DxCCIP register offset (RM0399.pdf) */ #define D1CCIPR_REG 0x4C #define D2CCIP1R_REG 0x50 #define D2CCIP2R_REG 0x54 #define D3CCIPR_REG 0x58 /** @brief RCC_BDCR register offset */ #define BDCR_REG 0x70 /** @brief RCC_CFGRx register offset */ #define CFGR_REG 0x10 /** @brief Device domain clocks selection helpers (RM0399.pdf) */ /** D1CCIPR devices */ #define FMC_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 0, D1CCIPR_REG) #define QSPI_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 4, D1CCIPR_REG) #define DSI_SEL(val) STM32_DOMAIN_CLOCK(val, 1, 8, D1CCIPR_REG) #define SDMMC_SEL(val) STM32_DOMAIN_CLOCK(val, 1, 16, D1CCIPR_REG) #define CKPER_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 28, D1CCIPR_REG) /* Device domain clocks selection helpers (RM0468.pdf) */ #define OSPI_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 4, D1CCIPR_REG) /** D2CCIP1R devices */ #define SAI1_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 0, D2CCIP1R_REG) #define SAI23_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 6, D2CCIP1R_REG) #define SPI123_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 12, D2CCIP1R_REG) #define SPI45_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 16, D2CCIP1R_REG) #define SPDIF_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 20, D2CCIP1R_REG) #define DFSDM1_SEL(val) STM32_DOMAIN_CLOCK(val, 1, 24, D2CCIP1R_REG) #define FDCAN_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 28, D2CCIP1R_REG) #define SWP_SEL(val) STM32_DOMAIN_CLOCK(val, 1, 31, D2CCIP1R_REG) /** D2CCIP2R devices */ #define USART2345678_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 0, D2CCIP2R_REG) #define USART16_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 3, D2CCIP2R_REG) #define RNG_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 8, D2CCIP2R_REG) #define I2C123_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 12, D2CCIP2R_REG) #define USB_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 20, D2CCIP2R_REG) #define CEC_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 22, D2CCIP2R_REG) #define LPTIM1_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 28, D2CCIP2R_REG) /** D3CCIPR devices */ #define LPUART1_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 0, D3CCIPR_REG) #define I2C4_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 8, D3CCIPR_REG) #define LPTIM2_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 10, D3CCIPR_REG) #define LPTIM345_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 13, D3CCIPR_REG) #define ADC_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 16, D3CCIPR_REG) #define SAI4A_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 21, D3CCIPR_REG) #define SAI4B_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 24, D3CCIPR_REG) #define SPI6_SEL(val) STM32_DOMAIN_CLOCK(val, 7, 28, D3CCIPR_REG) /** BDCR devices */ #define RTC_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 8, BDCR_REG) /** CFGR devices */ #define MCO1_SEL(val) STM32_MCO_CFGR(val, 0xF, 22, CFGR_REG) #define MCO1_PRE(val) STM32_MCO_CFGR(val, 0x7, 18, CFGR_REG) #define MCO2_SEL(val) STM32_MCO_CFGR(val, 0xF, 29, CFGR_REG) #define MCO2_PRE(val) STM32_MCO_CFGR(val, 0x7, 25, CFGR_REG) /* MCO prescaler : division factor */ #define MCO_PRE_DIV_1 1 #define MCO_PRE_DIV_2 2 #define MCO_PRE_DIV_3 3 #define MCO_PRE_DIV_4 4 #define MCO_PRE_DIV_5 5 #define MCO_PRE_DIV_6 6 #define MCO_PRE_DIV_7 7 #define MCO_PRE_DIV_8 8 #define MCO_PRE_DIV_9 9 #define MCO_PRE_DIV_10 10 #define MCO_PRE_DIV_11 11 #define MCO_PRE_DIV_12 12 #define MCO_PRE_DIV_13 13 #define MCO_PRE_DIV_14 14 #define MCO_PRE_DIV_15 15 #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32H7_CLOCK_H_ */