LCOV - code coverage report
Current view: top level - zephyr/dt-bindings/clock - stm32l4_clock.h Hit Total Coverage
Test: new.info Lines: 12 55 21.8 %
Date: 2024-12-22 00:14:23

          Line data    Source code
       1           0 : /*
       2             :  * Copyright (c) 2022 Linaro Limited
       3             :  *
       4             :  * SPDX-License-Identifier: Apache-2.0
       5             :  */
       6             : #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32L4_CLOCK_H_
       7             : #define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32L4_CLOCK_H_
       8             : 
       9             : #include "stm32_common_clocks.h"
      10             : 
      11             : /** Bus clocks */
      12           1 : #define STM32_CLOCK_BUS_AHB1    0x048
      13           0 : #define STM32_CLOCK_BUS_AHB2    0x04c
      14           0 : #define STM32_CLOCK_BUS_AHB3    0x050
      15           0 : #define STM32_CLOCK_BUS_APB1    0x058
      16           0 : #define STM32_CLOCK_BUS_APB1_2  0x05c
      17           0 : #define STM32_CLOCK_BUS_APB2    0x060
      18             : 
      19           0 : #define STM32_PERIPH_BUS_MIN    STM32_CLOCK_BUS_AHB1
      20           0 : #define STM32_PERIPH_BUS_MAX    STM32_CLOCK_BUS_APB2
      21             : 
      22             : /** Domain clocks */
      23             : /* RM0351/RM0432/RM0438, ยง Clock configuration register (RCC_CCIPRx) */
      24             : 
      25             : /** System clock */
      26             : /* defined in stm32_common_clocks.h */
      27             : /** Fixed clocks  */
      28             : /* Low speed clocks defined in stm32_common_clocks.h */
      29           1 : #define STM32_SRC_HSI           (STM32_SRC_LSI + 1)
      30           0 : #define STM32_SRC_HSI48         (STM32_SRC_HSI + 1)
      31           0 : #define STM32_SRC_MSI           (STM32_SRC_HSI48 + 1)
      32             : /** Bus clock */
      33           1 : #define STM32_SRC_PCLK          (STM32_SRC_MSI + 1)
      34             : /** PLL clock outputs */
      35           1 : #define STM32_SRC_PLL_P         (STM32_SRC_PCLK + 1)
      36           0 : #define STM32_SRC_PLL_Q         (STM32_SRC_PLL_P + 1)
      37           0 : #define STM32_SRC_PLL_R         (STM32_SRC_PLL_Q + 1)
      38             : /* TODO: PLLSAI clocks */
      39             : 
      40           0 : #define STM32_CLOCK_REG_MASK    0xFFU
      41           0 : #define STM32_CLOCK_REG_SHIFT   0U
      42           0 : #define STM32_CLOCK_SHIFT_MASK  0x1FU
      43           0 : #define STM32_CLOCK_SHIFT_SHIFT 8U
      44           0 : #define STM32_CLOCK_MASK_MASK   0x7U
      45           0 : #define STM32_CLOCK_MASK_SHIFT  13U
      46           0 : #define STM32_CLOCK_VAL_MASK    0x7U
      47           0 : #define STM32_CLOCK_VAL_SHIFT   16U
      48             : 
      49             : /**
      50             :  * @brief STM32 clock configuration bit field.
      51             :  *
      52             :  * - reg   (1/2/3)         [ 0 : 7 ]
      53             :  * - shift (0..31)         [ 8 : 12 ]
      54             :  * - mask  (0x1, 0x3, 0x7) [ 13 : 15 ]
      55             :  * - val   (0..7)          [ 16 : 18 ]
      56             :  *
      57             :  * @param reg RCC_CCIPRx register offset
      58             :  * @param shift Position within RCC_CCIPRx.
      59             :  * @param mask Mask for the RCC_CCIPRx field.
      60             :  * @param val Clock value (0, 1, ... 7).
      61             :  */
      62           1 : #define STM32_DOMAIN_CLOCK(val, mask, shift, reg)                                       \
      63             :         ((((reg) & STM32_CLOCK_REG_MASK) << STM32_CLOCK_REG_SHIFT) |          \
      64             :          (((shift) & STM32_CLOCK_SHIFT_MASK) << STM32_CLOCK_SHIFT_SHIFT) |    \
      65             :          (((mask) & STM32_CLOCK_MASK_MASK) << STM32_CLOCK_MASK_SHIFT) |               \
      66             :          (((val) & STM32_CLOCK_VAL_MASK) << STM32_CLOCK_VAL_SHIFT))
      67             : 
      68             : /** @brief RCC_CCIPR register offset */
      69           1 : #define CCIPR_REG               0x88
      70           0 : #define CCIPR2_REG              0x9C
      71             : 
      72             : /** @brief RCC_BDCR register offset */
      73           1 : #define BDCR_REG                0x90
      74             : 
      75             : /** @brief RCC_CFGRx register offset */
      76           1 : #define CFGR_REG                0x08
      77             : 
      78             : /** @brief Device domain clocks selection helpers */
      79             : /** CCIPR devices */
      80           1 : #define USART1_SEL(val)         STM32_DOMAIN_CLOCK(val, 3, 0, CCIPR_REG)
      81           0 : #define USART2_SEL(val)         STM32_DOMAIN_CLOCK(val, 3, 2, CCIPR_REG)
      82           0 : #define USART3_SEL(val)         STM32_DOMAIN_CLOCK(val, 3, 4, CCIPR_REG)
      83           0 : #define UART4_SEL(val)          STM32_DOMAIN_CLOCK(val, 3, 6, CCIPR_REG)
      84           0 : #define UART5_SEL(val)          STM32_DOMAIN_CLOCK(val, 3, 8, CCIPR_REG)
      85           0 : #define LPUART1_SEL(val)        STM32_DOMAIN_CLOCK(val, 3, 10, CCIPR_REG)
      86           0 : #define I2C1_SEL(val)           STM32_DOMAIN_CLOCK(val, 3, 12, CCIPR_REG)
      87           0 : #define I2C2_SEL(val)           STM32_DOMAIN_CLOCK(val, 3, 14, CCIPR_REG)
      88           0 : #define I2C3_SEL(val)           STM32_DOMAIN_CLOCK(val, 3, 16, CCIPR_REG)
      89           0 : #define LPTIM1_SEL(val)         STM32_DOMAIN_CLOCK(val, 3, 18, CCIPR_REG)
      90           0 : #define LPTIM2_SEL(val)         STM32_DOMAIN_CLOCK(val, 3, 20, CCIPR_REG)
      91           0 : #define SAI1_SEL(val)           STM32_DOMAIN_CLOCK(val, 3, 22, CCIPR_REG)
      92           0 : #define SAI2_SEL(val)           STM32_DOMAIN_CLOCK(val, 3, 24, CCIPR_REG)
      93           0 : #define CLK48_SEL(val)          STM32_DOMAIN_CLOCK(val, 3, 26, CCIPR_REG)
      94           0 : #define ADC_SEL(val)            STM32_DOMAIN_CLOCK(val, 3, 28, CCIPR_REG)
      95           0 : #define SWPMI1_SEL(val)         STM32_DOMAIN_CLOCK(val, 1, 30, CCIPR_REG)
      96           0 : #define DFSDM1_SEL(val)         STM32_DOMAIN_CLOCK(val, 1, 31, CCIPR_REG)
      97             : /** CCIPR2 devices */
      98           1 : #define I2C4_SEL(val)           STM32_DOMAIN_CLOCK(val, 3, 0, CCIPR2_REG)
      99           0 : #define DFSDM_SEL(val)          STM32_DOMAIN_CLOCK(val, 1, 2, CCIPR2_REG)
     100           0 : #define ADFSDM_SEL(val)         STM32_DOMAIN_CLOCK(val, 3, 3, CCIPR2_REG)
     101             : /* #define SAI1_SEL(val)                STM32_DOMAIN_CLOCK(val, 7, 5, CCIPR2_REG) */
     102             : /* #define SAI2_SEL(val)                STM32_DOMAIN_CLOCK(val, 7, 8, CCIPR2_REG) */
     103           0 : #define DSI_SEL(val)            STM32_DOMAIN_CLOCK(val, 1, 12, CCIPR2_REG)
     104           0 : #define SDMMC_SEL(val)          STM32_DOMAIN_CLOCK(val, 1, 14, CCIPR2_REG)
     105           0 : #define OSPI_SEL(val)           STM32_DOMAIN_CLOCK(val, 3, 20, CCIPR2_REG)
     106             : /** BDCR devices */
     107           1 : #define RTC_SEL(val)            STM32_DOMAIN_CLOCK(val, 3, 8, BDCR_REG)
     108             : /** CFGR devices */
     109           1 : #define MCO1_SEL(val)           STM32_MCO_CFGR(val, 0xF, 24, CFGR_REG)
     110           0 : #define MCO1_PRE(val)           STM32_MCO_CFGR(val, 0x7, 28, CFGR_REG)
     111             : 
     112             : #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32L4_CLOCK_H_ */

Generated by: LCOV version 1.14