Zephyr Project API
4.2.0
A Scalable Open Source RTOS
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stm32u5_clock.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2022 Linaro Limited
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* Copyright (c) 2023 STMicroelectronics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_
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#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_
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#include "
stm32_common_clocks.h
"
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/* RM0456, Figure 36 Clock tree for STM32U5 Series */
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/* defined in stm32_common_clocks.h */
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#define STM32_SRC_HSE (STM32_SRC_LSI + 1)
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#define STM32_SRC_HSI16 (STM32_SRC_HSE + 1)
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#define STM32_SRC_HSI48 (STM32_SRC_HSI16 + 1)
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#define STM32_SRC_MSIS (STM32_SRC_HSI48 + 1)
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#define STM32_SRC_MSIK (STM32_SRC_MSIS + 1)
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#define STM32_SRC_HCLK (STM32_SRC_MSIK + 1)
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#define STM32_SRC_PCLK1 (STM32_SRC_HCLK + 1)
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#define STM32_SRC_PCLK2 (STM32_SRC_PCLK1 + 1)
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#define STM32_SRC_PCLK3 (STM32_SRC_PCLK2 + 1)
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#define STM32_SRC_PLL1_P (STM32_SRC_PCLK3 + 1)
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#define STM32_SRC_PLL1_Q (STM32_SRC_PLL1_P + 1)
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#define STM32_SRC_PLL1_R (STM32_SRC_PLL1_Q + 1)
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#define STM32_SRC_PLL2_P (STM32_SRC_PLL1_R + 1)
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#define STM32_SRC_PLL2_Q (STM32_SRC_PLL2_P + 1)
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#define STM32_SRC_PLL2_R (STM32_SRC_PLL2_Q + 1)
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#define STM32_SRC_PLL3_P (STM32_SRC_PLL2_R + 1)
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#define STM32_SRC_PLL3_Q (STM32_SRC_PLL3_P + 1)
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#define STM32_SRC_PLL3_R (STM32_SRC_PLL3_Q + 1)
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/* #define STM32_SRC_ICLK TBD */
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#define STM32_CLOCK_BUS_AHB1 0x088
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#define STM32_CLOCK_BUS_AHB2 0x08C
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#define STM32_CLOCK_BUS_AHB2_2 0x090
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#define STM32_CLOCK_BUS_AHB3 0x094
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#define STM32_CLOCK_BUS_APB1 0x09C
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#define STM32_CLOCK_BUS_APB1_2 0x0A0
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#define STM32_CLOCK_BUS_APB2 0x0A4
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#define STM32_CLOCK_BUS_APB3 0x0A8
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#define STM32_PERIPH_BUS_MIN STM32_CLOCK_BUS_AHB1
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#define STM32_PERIPH_BUS_MAX STM32_CLOCK_BUS_APB3
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#define CCIPR1_REG 0xE0
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#define CCIPR2_REG 0xE4
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#define CCIPR3_REG 0xE8
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#define BDCR_REG 0xF0
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#define CFGR1_REG 0x1C
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#define USART1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 0, CCIPR1_REG)
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#define USART2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 2, CCIPR1_REG)
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#define USART3_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 4, CCIPR1_REG)
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#define UART4_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 6, CCIPR1_REG)
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#define UART5_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 8, CCIPR1_REG)
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#define I2C1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 10, CCIPR1_REG)
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#define I2C2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR1_REG)
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#define I2C4_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 14, CCIPR1_REG)
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#define SPI2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 16, CCIPR1_REG)
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#define LPTIM2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 18, CCIPR1_REG)
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#define SPI1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 20, CCIPR1_REG)
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#define SYSTICK_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 22, CCIPR1_REG)
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#define FDCAN1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 24, CCIPR1_REG)
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#define ICKLK_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 26, CCIPR1_REG)
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#define TIMIC_SEL(val) STM32_DT_CLOCK_SELECT((val), 7, 29, CCIPR1_REG)
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#define MDF1_SEL(val) STM32_DT_CLOCK_SELECT((val), 7, 0, CCIPR2_REG)
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#define SAI1_SEL(val) STM32_DT_CLOCK_SELECT((val), 7, 5, CCIPR2_REG)
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#define SAI2_SEL(val) STM32_DT_CLOCK_SELECT((val), 7, 8, CCIPR2_REG)
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#define SAE_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 11, CCIPR2_REG)
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#define RNG_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR2_REG)
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#define SDMMC_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 14, CCIPR2_REG)
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#define DSIHOST_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 15, CCIPR2_REG)
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#define USART6_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 16, CCIPR2_REG)
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#define LTDC_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 18, CCIPR2_REG)
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#define OCTOSPI_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 20, CCIPR2_REG)
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#define HSPI_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 22, CCIPR2_REG)
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#define I2C5_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 24, CCIPR2_REG)
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#define I2C6_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 26, CCIPR2_REG)
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#define OTGHS_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 30, CCIPR2_REG)
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#define LPUART1_SEL(val) STM32_DT_CLOCK_SELECT((val), 7, 0, CCIPR3_REG)
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#define SPI3_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 3, CCIPR3_REG)
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#define I2C3_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 6, CCIPR3_REG)
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#define LPTIM34_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 8, CCIPR3_REG)
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#define LPTIM1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 10, CCIPR3_REG)
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#define ADCDAC_SEL(val) STM32_DT_CLOCK_SELECT((val), 7, 12, CCIPR3_REG)
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#define DAC1_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 15, CCIPR3_REG)
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#define ADF1_SEL(val) STM32_DT_CLOCK_SELECT((val), 7, 16, CCIPR3_REG)
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#define RTC_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 8, BDCR_REG)
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#define MCO1_SEL(val) STM32_DT_CLOCK_SELECT((val), 0xF, 24, CFGR1_REG)
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#define MCO1_PRE(val) STM32_DT_CLOCK_SELECT((val), 0x7, 28, CFGR1_REG)
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/* MCO prescaler : division factor */
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#define MCO_PRE_DIV_1 0
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#define MCO_PRE_DIV_2 1
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#define MCO_PRE_DIV_4 2
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#define MCO_PRE_DIV_8 3
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#define MCO_PRE_DIV_16 4
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#endif
/* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_ */
stm32_common_clocks.h
include
zephyr
dt-bindings
clock
stm32u5_clock.h
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