Merge pull request #14030 from arduino/i2c_stm32_wrong_clock

STM32H7: Compute I2C timing according current I2C clock source

Author: 0xc0170

targets/TARGET_STM/TARGET_STM32H7/CMakeLists.txt

@@ -15,6 +15,7 @@ target_sources(mbed-stm32h7
         analogout_device.c
         flash_api.c
         gpio_irq_device.c
+        i2c_device.c
         pwmout_device.c
         serial_device.c
         spi_api.c

targets/TARGET_STM/TARGET_STM32H7/STM32Cube_FW/STM32H7xx_HAL_Driver/stm32h7xx_hal_rcc_ex.h

@@ -2403,7 +2403,11 @@ typedef struct
   *            @arg RCC_I2C4CLKSOURCE_HSI: HSI selected as I2C4 clock
   *            @arg RCC_I2C4CLKSOURCE_CSI: CSI selected as I2C4 clock
   */
+#if defined(RCC_D3CCIPR_I2C4SEL)
 #define __HAL_RCC_GET_I2C4_SOURCE() ((uint32_t)(READ_BIT(RCC->D3CCIPR, RCC_D3CCIPR_I2C4SEL)))
+#else
+#define __HAL_RCC_GET_I2C4_SOURCE() ((uint32_t)(READ_BIT(RCC->SRDCCIPR, RCC_SRDCCIPR_I2C4SEL)))
+#endif /* RCC_D3CCIPR_I2C4SEL */
 
 #if defined(I2C5)
 /** @brief macro to configure the I2C5 clock (I2C5CLK).