LCOV - code coverage report
Current view: top level - zephyr/dt-bindings/clock - stm32u3_clock.h Coverage Total Hit
Test: new.info Lines: 17.5 % 63 11
Test Date: 2025-09-05 20:47:19

            Line data    Source code
       1            0 : /*
       2              :  * Copyright (c) 2025 STMicroelectronics
       3              :  *
       4              :  * SPDX-License-Identifier: Apache-2.0
       5              :  */
       6              : #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U3_CLOCK_H_
       7              : #define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U3_CLOCK_H_
       8              : 
       9              : #include "stm32_common_clocks.h"
      10              : 
      11              : /** Domain clocks */
      12              : 
      13              : /* RM0487, Figure 36 Clock tree for STM32U3 Series */
      14              : 
      15              : /** System clock */
      16              : /* defined in stm32_common_clocks.h */
      17              : /** Fixed clocks  */
      18            1 : #define STM32_SRC_HSE           (STM32_SRC_LSI + 1)
      19            0 : #define STM32_SRC_HSI16         (STM32_SRC_HSE + 1)
      20            0 : #define STM32_SRC_HSI48         (STM32_SRC_HSI16 + 1)
      21            0 : #define STM32_SRC_MSIS          (STM32_SRC_HSI48 + 1)
      22            0 : #define STM32_SRC_MSIK          (STM32_SRC_MSIS + 1)
      23              : /** Bus clock */
      24            1 : #define STM32_SRC_HCLK          (STM32_SRC_MSIK + 1)
      25            0 : #define STM32_SRC_PCLK1         (STM32_SRC_HCLK + 1)
      26            0 : #define STM32_SRC_PCLK2         (STM32_SRC_PCLK1 + 1)
      27            0 : #define STM32_SRC_PCLK3         (STM32_SRC_PCLK2 + 1)
      28              : /** Clock muxes */
      29              : /* #define STM32_SRC_ICLK       TBD */
      30              : 
      31              : /** Bus clocks */
      32            1 : #define STM32_CLOCK_BUS_AHB1    0x088
      33            0 : #define STM32_CLOCK_BUS_AHB1_2  0x094
      34            0 : #define STM32_CLOCK_BUS_AHB2    0x08C
      35            0 : #define STM32_CLOCK_BUS_AHB2_2  0x090
      36            0 : #define STM32_CLOCK_BUS_APB1    0x09C
      37            0 : #define STM32_CLOCK_BUS_APB1_2  0x0A0
      38            0 : #define STM32_CLOCK_BUS_APB2    0x0A4
      39            0 : #define STM32_CLOCK_BUS_APB3    0x0A8
      40              : 
      41            0 : #define STM32_PERIPH_BUS_MIN    STM32_CLOCK_BUS_AHB1
      42            0 : #define STM32_PERIPH_BUS_MAX    STM32_CLOCK_BUS_APB3
      43              : 
      44              : /** @brief RCC_CCIPRx register offset (RM0487.pdf) */
      45            1 : #define CCIPR1_REG              0x100
      46            0 : #define CCIPR2_REG              0x104
      47            0 : #define CCIPR3_REG              0x108
      48              : 
      49              : /** @brief RCC_BDCR register offset */
      50            1 : #define BDCR_REG                0x110
      51              : 
      52              : /** @brief RCC_CFGRx register offset */
      53            1 : #define CFGR1_REG               0x0C
      54              : 
      55              : /** @brief Device domain clocks selection helpers */
      56              : /** CCIPR1 devices */
      57            1 : #define USART1_SEL(val)         STM32_DT_CLOCK_SELECT((val), 1, 0, CCIPR1_REG)
      58            0 : #define USART3_SEL(val)         STM32_DT_CLOCK_SELECT((val), 1, 2, CCIPR1_REG)
      59            0 : #define UART4_SEL(val)          STM32_DT_CLOCK_SELECT((val), 1, 4, CCIPR1_REG)
      60            0 : #define UART5_SEL(val)          STM32_DT_CLOCK_SELECT((val), 1, 6, CCIPR1_REG)
      61            0 : #define I3C1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 8, CCIPR1_REG)
      62            0 : #define I2C1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 10, CCIPR1_REG)
      63            0 : #define I2C2_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 12, CCIPR1_REG)
      64            0 : #define I3C2_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 14, CCIPR1_REG)
      65            0 : #define SPI2_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 16, CCIPR1_REG)
      66            0 : #define LPTIM2_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 18, CCIPR1_REG)
      67            0 : #define SPI1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 20, CCIPR1_REG)
      68            0 : #define SYSTICK_SEL(val)        STM32_DT_CLOCK_SELECT((val), 3, 22, CCIPR1_REG)
      69            0 : #define FDCAN1_SEL(val)         STM32_DT_CLOCK_SELECT((val), 1, 24, CCIPR1_REG)
      70            0 : #define ICLK_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 26, CCIPR1_REG)
      71            0 : #define USB1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 28, CCIPR1_REG)
      72            0 : #define TIMIC_SEL(val)          STM32_DT_CLOCK_SELECT((val), 7, 29, CCIPR1_REG)
      73              : /** CCIPR2 devices */
      74            1 : #define ADF1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 0, CCIPR2_REG)
      75            0 : #define SPI3_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 3, CCIPR2_REG)
      76            0 : #define SAI1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 3, 5, CCIPR2_REG)
      77            0 : #define RNG_SEL(val)            STM32_DT_CLOCK_SELECT((val), 1, 11, CCIPR2_REG)
      78            0 : #define ADCDAC_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 16, CCIPR2_REG)
      79            0 : #define DAC1SH_SEL(val)         STM32_DT_CLOCK_SELECT((val), 1, 19, CCIPR2_REG)
      80            0 : #define OCTOSPI_SEL(val)        STM32_DT_CLOCK_SELECT((val), 1, 20, CCIPR2_REG)
      81              : /** CCIPR3 devices */
      82            1 : #define LPUART1_SEL(val)        STM32_DT_CLOCK_SELECT((val), 3, 0, CCIPR3_REG)
      83            0 : #define I2C3_SEL(val)           STM32_DT_CLOCK_SELECT((val), 1, 6, CCIPR3_REG)
      84            0 : #define LPTIM34_SEL(val)        STM32_DT_CLOCK_SELECT((val), 3, 8, CCIPR3_REG)
      85            0 : #define LPTIM1_SEL(val)         STM32_DT_CLOCK_SELECT((val), 3, 10, CCIPR3_REG)
      86              : /** BDCR devices */
      87            1 : #define RTC_SEL(val)            STM32_DT_CLOCK_SELECT((val), 3, 8, BDCR_REG)
      88              : 
      89              : /** CFGR1 devices */
      90            1 : #define MCO1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 0xF, 24, CFGR1_REG)
      91            0 : #define MCO1_PRE(val)           STM32_DT_CLOCK_SELECT((val), 0x7, 28, CFGR1_REG)
      92              : 
      93              : /* MCO prescaler : division factor */
      94            0 : #define MCO_PRE_DIV_1   0
      95            0 : #define MCO_PRE_DIV_2   1
      96            0 : #define MCO_PRE_DIV_4   2
      97            0 : #define MCO_PRE_DIV_8   3
      98            0 : #define MCO_PRE_DIV_16  4
      99            0 : #define MCO_PRE_DIV_32  5
     100            0 : #define MCO_PRE_DIV_64  6
     101            0 : #define MCO_PRE_DIV_128 7
     102              : 
     103              : #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U3_CLOCK_H_ */
        

Generated by: LCOV version 2.0-1