stm32u5_clock.h

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/*
 * Copyright (c) 2022 Linaro Limited
 * Copyright (c) 2023 STMicroelectronics
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_
 
#include "stm32_common_clocks.h"
 
/* RM0468, Table 56 Kernel clock distribution summary */
 
/* defined in stm32_common_clocks.h */
#define STM32_SRC_HSE           (STM32_SRC_LSI + 1)
#define STM32_SRC_HSI16         (STM32_SRC_HSE + 1)
#define STM32_SRC_HSI48         (STM32_SRC_HSI16 + 1)
#define STM32_SRC_MSIS          (STM32_SRC_HSI48 + 1)
#define STM32_SRC_MSIK          (STM32_SRC_MSIS + 1)
#define STM32_SRC_HCLK          (STM32_SRC_MSIK + 1)
#define STM32_SRC_PCLK1         (STM32_SRC_HCLK + 1)
#define STM32_SRC_PCLK2         (STM32_SRC_PCLK1 + 1)
#define STM32_SRC_PCLK3         (STM32_SRC_PCLK2 + 1)
#define STM32_SRC_PLL1_P        (STM32_SRC_PCLK3 + 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)
/* #define STM32_SRC_ICLK       TBD */
 
#define STM32_CLOCK_BUS_AHB1    0x088
#define STM32_CLOCK_BUS_AHB2    0x08C
#define STM32_CLOCK_BUS_AHB2_2  0x090
#define STM32_CLOCK_BUS_AHB3    0x094
#define STM32_CLOCK_BUS_APB1    0x09C
#define STM32_CLOCK_BUS_APB1_2  0x0A0
#define STM32_CLOCK_BUS_APB2    0x0A4
#define STM32_CLOCK_BUS_APB3    0x0A8
 
#define STM32_PERIPH_BUS_MIN    STM32_CLOCK_BUS_AHB1
#define STM32_PERIPH_BUS_MAX    STM32_CLOCK_BUS_APB3
 
#define CCIPR1_REG              0xE0
#define CCIPR2_REG              0xE4
#define CCIPR3_REG              0xE8
 
#define BDCR_REG                0xF0
 
#define CFGR1_REG               0x1C
 
#define USART1_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 0, CCIPR1_REG)
#define USART2_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 2, CCIPR1_REG)
#define USART3_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 4, CCIPR1_REG)
#define UART4_SEL(val)          STM32_DT_CLOCK_SELECT((val), 3, 6, CCIPR1_REG)
#define UART5_SEL(val)          STM32_DT_CLOCK_SELECT((val), 3, 8, CCIPR1_REG)
#define I2C1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 10, CCIPR1_REG)
#define I2C2_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR1_REG)
#define I2C4_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 14, CCIPR1_REG)
#define SPI2_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 16, CCIPR1_REG)
#define LPTIM2_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 18, CCIPR1_REG)
#define SPI1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 20, CCIPR1_REG)
#define SYSTICK_SEL(val)        STM32_DT_CLOCK_SELECT((val), 3, 22, CCIPR1_REG)
#define FDCAN1_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 24, CCIPR1_REG)
#define ICKLK_SEL(val)          STM32_DT_CLOCK_SELECT((val), 3, 26, CCIPR1_REG)
#define TIMIC_SEL(val)          STM32_DT_CLOCK_SELECT((val), 7, 29, CCIPR1_REG)
#define MDF1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 7, 0, CCIPR2_REG)
#define SAI1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 7, 5, CCIPR2_REG)
#define SAI2_SEL(val)           STM32_DT_CLOCK_SELECT((val), 7, 8, CCIPR2_REG)
#define SAE_SEL(val)            STM32_DT_CLOCK_SELECT((val), 1, 11, CCIPR2_REG)
#define RNG_SEL(val)            STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR2_REG)
#define SDMMC_SEL(val)          STM32_DT_CLOCK_SELECT((val), 1, 14, CCIPR2_REG)
#define DSIHOST_SEL(val)        STM32_DT_CLOCK_SELECT((val), 1, 15, CCIPR2_REG)
#define USART6_SEL(val)         STM32_DT_CLOCK_SELECT((val), 1, 16, CCIPR2_REG)
#define LTDC_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 18, CCIPR2_REG)
#define OCTOSPI_SEL(val)        STM32_DT_CLOCK_SELECT((val), 3, 20, CCIPR2_REG)
#define HSPI_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 22, CCIPR2_REG)
#define I2C5_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 24, CCIPR2_REG)
#define I2C6_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 26, CCIPR2_REG)
#define OTGHS_SEL(val)          STM32_DT_CLOCK_SELECT((val), 3, 30, CCIPR2_REG)
#define LPUART1_SEL(val)        STM32_DT_CLOCK_SELECT((val), 7, 0, CCIPR3_REG)
#define SPI3_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 3, CCIPR3_REG)
#define I2C3_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 6, CCIPR3_REG)
#define LPTIM34_SEL(val)        STM32_DT_CLOCK_SELECT((val), 3, 8, CCIPR3_REG)
#define LPTIM1_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 10, CCIPR3_REG)
#define ADCDAC_SEL(val)         STM32_DT_CLOCK_SELECT((val), 7, 12, CCIPR3_REG)
#define DAC1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 15, CCIPR3_REG)
#define ADF1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 7, 16, CCIPR3_REG)
#define RTC_SEL(val)            STM32_DT_CLOCK_SELECT((val), 3, 8, BDCR_REG)
 
#define MCO1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 0xF, 24, CFGR1_REG)
#define MCO1_PRE(val)           STM32_DT_CLOCK_SELECT((val), 0x7, 28, CFGR1_REG)
 
/* MCO prescaler : division factor */
#define MCO_PRE_DIV_1  0
#define MCO_PRE_DIV_2  1
#define MCO_PRE_DIV_4  2
#define MCO_PRE_DIV_8  3
#define MCO_PRE_DIV_16 4
 
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_ */