LCOV - code coverage report
Current view: top level - zephyr/dt-bindings/clock - stm32u5_clock.h Coverage Total Hit
Test: new.info Lines: 14.8 % 81 12
Test Date: 2025-09-05 20:47:19

            Line data    Source code
       1            0 : /*
       2              :  * Copyright (c) 2022 Linaro Limited
       3              :  * Copyright (c) 2023 STMicroelectronics
       4              :  *
       5              :  * SPDX-License-Identifier: Apache-2.0
       6              :  */
       7              : #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_
       8              : #define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_
       9              : 
      10              : #include "stm32_common_clocks.h"
      11              : 
      12              : /** Domain clocks */
      13              : 
      14              : /* RM0456, Figure 36 Clock tree for STM32U5 Series */
      15              : 
      16              : /** System clock */
      17              : /* defined in stm32_common_clocks.h */
      18              : /** Fixed clocks  */
      19            1 : #define STM32_SRC_HSE           (STM32_SRC_LSI + 1)
      20            0 : #define STM32_SRC_HSI16         (STM32_SRC_HSE + 1)
      21            0 : #define STM32_SRC_HSI48         (STM32_SRC_HSI16 + 1)
      22            0 : #define STM32_SRC_MSIS          (STM32_SRC_HSI48 + 1)
      23            0 : #define STM32_SRC_MSIK          (STM32_SRC_MSIS + 1)
      24              : /** Bus clock */
      25            1 : #define STM32_SRC_HCLK          (STM32_SRC_MSIK + 1)
      26            0 : #define STM32_SRC_PCLK1         (STM32_SRC_HCLK + 1)
      27            0 : #define STM32_SRC_PCLK2         (STM32_SRC_PCLK1 + 1)
      28            0 : #define STM32_SRC_PCLK3         (STM32_SRC_PCLK2 + 1)
      29            0 : #define STM32_SRC_TIMPCLK1      (STM32_SRC_PCLK3 + 1)
      30            0 : #define STM32_SRC_TIMPCLK2      (STM32_SRC_TIMPCLK1 + 1)
      31              : /** PLL outputs */
      32            1 : #define STM32_SRC_PLL1_P        (STM32_SRC_TIMPCLK2 + 1)
      33            0 : #define STM32_SRC_PLL1_Q        (STM32_SRC_PLL1_P + 1)
      34            0 : #define STM32_SRC_PLL1_R        (STM32_SRC_PLL1_Q + 1)
      35            0 : #define STM32_SRC_PLL2_P        (STM32_SRC_PLL1_R + 1)
      36            0 : #define STM32_SRC_PLL2_Q        (STM32_SRC_PLL2_P + 1)
      37            0 : #define STM32_SRC_PLL2_R        (STM32_SRC_PLL2_Q + 1)
      38            0 : #define STM32_SRC_PLL3_P        (STM32_SRC_PLL2_R + 1)
      39            0 : #define STM32_SRC_PLL3_Q        (STM32_SRC_PLL3_P + 1)
      40            0 : #define STM32_SRC_PLL3_R        (STM32_SRC_PLL3_Q + 1)
      41              : /** Clock muxes */
      42              : /* #define STM32_SRC_ICLK       TBD */
      43              : 
      44              : /** Bus clocks */
      45            1 : #define STM32_CLOCK_BUS_AHB1    0x088
      46            0 : #define STM32_CLOCK_BUS_AHB2    0x08C
      47            0 : #define STM32_CLOCK_BUS_AHB2_2  0x090
      48            0 : #define STM32_CLOCK_BUS_AHB3    0x094
      49            0 : #define STM32_CLOCK_BUS_APB1    0x09C
      50            0 : #define STM32_CLOCK_BUS_APB1_2  0x0A0
      51            0 : #define STM32_CLOCK_BUS_APB2    0x0A4
      52            0 : #define STM32_CLOCK_BUS_APB3    0x0A8
      53              : 
      54            0 : #define STM32_PERIPH_BUS_MIN    STM32_CLOCK_BUS_AHB1
      55            0 : #define STM32_PERIPH_BUS_MAX    STM32_CLOCK_BUS_APB3
      56              : 
      57              : /** @brief RCC_CCIPRx register offset (RM0456.pdf) */
      58            1 : #define CCIPR1_REG              0xE0
      59            0 : #define CCIPR2_REG              0xE4
      60            0 : #define CCIPR3_REG              0xE8
      61              : 
      62              : /** @brief RCC_BDCR register offset */
      63            1 : #define BDCR_REG                0xF0
      64              : 
      65              : /** @brief RCC_CFGRx register offset */
      66            1 : #define CFGR1_REG               0x1C
      67              : 
      68              : /** @brief Device domain clocks selection helpers */
      69              : /** CCIPR1 devices */
      70            1 : #define USART1_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 0, CCIPR1_REG)
      71            0 : #define USART2_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 2, CCIPR1_REG)
      72            0 : #define USART3_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 4, CCIPR1_REG)
      73            0 : #define UART4_SEL(val)          STM32_DT_CLOCK_SELECT((val), 3, 6, CCIPR1_REG)
      74            0 : #define UART5_SEL(val)          STM32_DT_CLOCK_SELECT((val), 3, 8, CCIPR1_REG)
      75            0 : #define I2C1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 10, CCIPR1_REG)
      76            0 : #define I2C2_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR1_REG)
      77            0 : #define I2C4_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 14, CCIPR1_REG)
      78            0 : #define SPI2_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 16, CCIPR1_REG)
      79            0 : #define LPTIM2_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 18, CCIPR1_REG)
      80            0 : #define SPI1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 20, CCIPR1_REG)
      81            0 : #define SYSTICK_SEL(val)        STM32_DT_CLOCK_SELECT((val), 3, 22, CCIPR1_REG)
      82            0 : #define FDCAN1_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 24, CCIPR1_REG)
      83            0 : #define ICKLK_SEL(val)          STM32_DT_CLOCK_SELECT((val), 3, 26, CCIPR1_REG)
      84            0 : #define TIMIC_SEL(val)          STM32_DT_CLOCK_SELECT((val), 7, 29, CCIPR1_REG)
      85              : /** CCIPR2 devices */
      86            1 : #define MDF1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 7, 0, CCIPR2_REG)
      87            0 : #define SAI1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 7, 5, CCIPR2_REG)
      88            0 : #define SAI2_SEL(val)           STM32_DT_CLOCK_SELECT((val), 7, 8, CCIPR2_REG)
      89            0 : #define SAE_SEL(val)            STM32_DT_CLOCK_SELECT((val), 1, 11, CCIPR2_REG)
      90            0 : #define RNG_SEL(val)            STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR2_REG)
      91            0 : #define SDMMC_SEL(val)          STM32_DT_CLOCK_SELECT((val), 1, 14, CCIPR2_REG)
      92            0 : #define DSIHOST_SEL(val)        STM32_DT_CLOCK_SELECT((val), 1, 15, CCIPR2_REG)
      93            0 : #define USART6_SEL(val)         STM32_DT_CLOCK_SELECT((val), 1, 16, CCIPR2_REG)
      94            0 : #define LTDC_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 18, CCIPR2_REG)
      95            0 : #define OCTOSPI_SEL(val)        STM32_DT_CLOCK_SELECT((val), 3, 20, CCIPR2_REG)
      96            0 : #define HSPI_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 22, CCIPR2_REG)
      97            0 : #define I2C5_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 24, CCIPR2_REG)
      98            0 : #define I2C6_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 26, CCIPR2_REG)
      99            0 : #define OTGHS_SEL(val)          STM32_DT_CLOCK_SELECT((val), 3, 30, CCIPR2_REG)
     100              : /** CCIPR3 devices */
     101            1 : #define LPUART1_SEL(val)        STM32_DT_CLOCK_SELECT((val), 7, 0, CCIPR3_REG)
     102            0 : #define SPI3_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 3, CCIPR3_REG)
     103            0 : #define I2C3_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 6, CCIPR3_REG)
     104            0 : #define LPTIM34_SEL(val)        STM32_DT_CLOCK_SELECT((val), 3, 8, CCIPR3_REG)
     105            0 : #define LPTIM1_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 10, CCIPR3_REG)
     106            0 : #define ADCDAC_SEL(val)         STM32_DT_CLOCK_SELECT((val), 7, 12, CCIPR3_REG)
     107            0 : #define DAC1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 15, CCIPR3_REG)
     108            0 : #define ADF1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 7, 16, CCIPR3_REG)
     109              : /** BDCR devices */
     110            1 : #define RTC_SEL(val)            STM32_DT_CLOCK_SELECT((val), 3, 8, BDCR_REG)
     111              : 
     112              : /** CFGR1 devices */
     113            1 : #define MCO1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 0xF, 24, CFGR1_REG)
     114            0 : #define MCO1_PRE(val)           STM32_DT_CLOCK_SELECT((val), 0x7, 28, CFGR1_REG)
     115              : 
     116              : /* MCO prescaler : division factor */
     117            0 : #define MCO_PRE_DIV_1  0
     118            0 : #define MCO_PRE_DIV_2  1
     119            0 : #define MCO_PRE_DIV_4  2
     120            0 : #define MCO_PRE_DIV_8  3
     121            0 : #define MCO_PRE_DIV_16 4
     122              : 
     123              : #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_ */
        

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