|  | 
| #define | STM32_SRC_HSE   (STM32_SRC_LSI + 1) | 
|  | Domain clocks. 
 | 
|  | 
| #define | STM32_SRC_HSI   (STM32_SRC_HSE + 1) | 
|  | 
| #define | STM32_SRC_MSI   (STM32_SRC_HSI + 1) | 
|  | 
| #define | STM32_SRC_PLL1   (STM32_SRC_MSI + 1) | 
|  | PLL outputs. 
 | 
|  | 
| #define | STM32_SRC_PLL2   (STM32_SRC_PLL1 + 1) | 
|  | 
| #define | STM32_SRC_PLL3   (STM32_SRC_PLL2 + 1) | 
|  | 
| #define | STM32_SRC_PLL4   (STM32_SRC_PLL3 + 1) | 
|  | 
| #define | STM32_SRC_CKPER   (STM32_SRC_PLL4 + 1) | 
|  | Clock muxes. 
 | 
|  | 
| #define | STM32_SRC_IC1   (STM32_SRC_CKPER + 1) | 
|  | 
| #define | STM32_SRC_IC2   (STM32_SRC_IC1 + 1) | 
|  | 
| #define | STM32_SRC_IC3   (STM32_SRC_IC2 + 1) | 
|  | 
| #define | STM32_SRC_IC4   (STM32_SRC_IC3 + 1) | 
|  | 
| #define | STM32_SRC_IC5   (STM32_SRC_IC4 + 1) | 
|  | 
| #define | STM32_SRC_IC6   (STM32_SRC_IC5 + 1) | 
|  | 
| #define | STM32_SRC_IC7   (STM32_SRC_IC6 + 1) | 
|  | 
| #define | STM32_SRC_IC8   (STM32_SRC_IC7 + 1) | 
|  | 
| #define | STM32_SRC_IC9   (STM32_SRC_IC8 + 1) | 
|  | 
| #define | STM32_SRC_IC10   (STM32_SRC_IC9 + 1) | 
|  | 
| #define | STM32_SRC_IC11   (STM32_SRC_IC10 + 1) | 
|  | 
| #define | STM32_SRC_IC12   (STM32_SRC_IC11 + 1) | 
|  | 
| #define | STM32_SRC_IC13   (STM32_SRC_IC12 + 1) | 
|  | 
| #define | STM32_SRC_IC14   (STM32_SRC_IC13 + 1) | 
|  | 
| #define | STM32_SRC_IC15   (STM32_SRC_IC14 + 1) | 
|  | 
| #define | STM32_SRC_IC16   (STM32_SRC_IC15 + 1) | 
|  | 
| #define | STM32_SRC_IC17   (STM32_SRC_IC16 + 1) | 
|  | 
| #define | STM32_SRC_IC18   (STM32_SRC_IC17 + 1) | 
|  | 
| #define | STM32_SRC_IC19   (STM32_SRC_IC18 + 1) | 
|  | 
| #define | STM32_SRC_IC20   (STM32_SRC_IC19 + 1) | 
|  | 
| #define | STM32_SRC_HSI_DIV   (STM32_SRC_IC20 + 1) | 
|  | 
| #define | STM32_SRC_TIMG   (STM32_SRC_HSI_DIV + 1) | 
|  | 
| #define | STM32_SRC_HCLK1   (STM32_SRC_TIMG + 1) | 
|  | 
| #define | STM32_SRC_HCLK2   (STM32_SRC_HCLK1 + 1) | 
|  | 
| #define | STM32_SRC_HCLK3   (STM32_SRC_HCLK2 + 1) | 
|  | 
| #define | STM32_SRC_HCLK4   (STM32_SRC_HCLK3 + 1) | 
|  | 
| #define | STM32_SRC_HCLK5   (STM32_SRC_HCLK4 + 1) | 
|  | 
| #define | STM32_SRC_PCLK1   (STM32_SRC_HCLK5 + 1) | 
|  | 
| #define | STM32_SRC_PCLK2   (STM32_SRC_PCLK1 + 1) | 
|  | 
| #define | STM32_SRC_PCLK4   (STM32_SRC_PCLK2 + 1) | 
|  | 
| #define | STM32_SRC_PCLK5   (STM32_SRC_PCLK4 + 1) | 
|  | 
| #define | STM32_CLOCK_BUS_MEM   0x24C | 
|  | Others: Not yet supported. 
 | 
|  | 
| #define | STM32_CLOCK_BUS_AHB1   0x250 | 
|  | 
| #define | STM32_CLOCK_BUS_AHB2   0x254 | 
|  | 
| #define | STM32_CLOCK_BUS_AHB3   0x258 | 
|  | 
| #define | STM32_CLOCK_BUS_AHB4   0x25C | 
|  | 
| #define | STM32_CLOCK_BUS_AHB5   0x260 | 
|  | 
| #define | STM32_CLOCK_BUS_APB1   0x264 | 
|  | 
| #define | STM32_CLOCK_BUS_APB1_2   0x268 | 
|  | 
| #define | STM32_CLOCK_BUS_APB2   0x26C | 
|  | 
| #define | STM32_CLOCK_BUS_APB3   0x270 | 
|  | 
| #define | STM32_CLOCK_BUS_APB4   0x274 | 
|  | 
| #define | STM32_CLOCK_BUS_APB4_2   0x278 | 
|  | 
| #define | STM32_CLOCK_BUS_APB5   0x27C | 
|  | 
| #define | STM32_CLOCK_LP_BUS_SHIFT   0x40 | 
|  | 
| #define | STM32_PERIPH_BUS_MIN   STM32_CLOCK_BUS_MEM | 
|  | 
| #define | STM32_PERIPH_BUS_MAX   STM32_CLOCK_BUS_APB5 | 
|  | 
| #define | CCIPR1_REG   0x144 | 
|  | RCC_CCIPRx register offset (RM0486.pdf) 
 | 
|  | 
| #define | CCIPR2_REG   0x148 | 
|  | 
| #define | CCIPR3_REG   0x14C | 
|  | 
| #define | CCIPR4_REG   0x150 | 
|  | 
| #define | CCIPR5_REG   0x154 | 
|  | 
| #define | CCIPR6_REG   0x158 | 
|  | 
| #define | CCIPR7_REG   0x15C | 
|  | 
| #define | CCIPR8_REG   0x160 | 
|  | 
| #define | CCIPR9_REG   0x164 | 
|  | 
| #define | CCIPR12_REG   0x170 | 
|  | 
| #define | CCIPR13_REG   0x174 | 
|  | 
| #define | CCIPR14_REG   0x178 | 
|  | 
| #define | ADF1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR1_REG) | 
|  | Device domain clocks selection helpers. 
 | 
|  | 
| #define | ADC12_SEL(val)   STM32_DT_CLOCK_SELECT((val), 6, 4, CCIPR1_REG) | 
|  | 
| #define | ADC_PRE(val)   STM32_DT_CLOCK_SELECT((val), 15, 8, CCIPR1_REG) | 
|  | 
| #define | DCMIPP_SEL(val)   STM32_DT_CLOCK_SELECT((val), 21, 20, CCIPR1_REG) | 
|  | 
| #define | ETH1PTP_SEL(val)   STM32_DT_CLOCK_SELECT((val), 1, 0, CCIPR2_REG) | 
|  | CCIPR2 devices. 
 | 
|  | 
| #define | ETH1CLK_SEL(val)   STM32_DT_CLOCK_SELECT((val), 13, 12, CCIPR2_REG) | 
|  | 
| #define | ETH1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR2_REG) | 
|  | 
| #define | ETH1REFCLK_SEL(val)   STM32_DT_CLOCK_SELECT((val), 20, 20, CCIPR2_REG) | 
|  | 
| #define | ETH1GTXCLK_SEL(val)   STM32_DT_CLOCK_SELECT((val), 24, 24, CCIPR2_REG) | 
|  | 
| #define | FDCAN_SEL(val)   STM32_DT_CLOCK_SELECT((val), 1, 0, CCIPR3_REG) | 
|  | CCIPR3 devices. 
 | 
|  | 
| #define | FMC_SEL(val)   STM32_DT_CLOCK_SELECT((val), 5, 4, CCIPR3_REG) | 
|  | 
| #define | I2C1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR4_REG) | 
|  | CCIPR4 devices. 
 | 
|  | 
| #define | I2C2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 6, 4, CCIPR4_REG) | 
|  | 
| #define | I2C3_SEL(val)   STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR4_REG) | 
|  | 
| #define | I2C4_SEL(val)   STM32_DT_CLOCK_SELECT((val), 14, 12, CCIPR4_REG) | 
|  | 
| #define | I3C1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR4_REG) | 
|  | 
| #define | I3C2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 22, 20, CCIPR4_REG) | 
|  | 
| #define | LTDC_SEL(val)   STM32_DT_CLOCK_SELECT((val), 25, 24, CCIPR4_REG) | 
|  | 
| #define | MCO1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR5_REG) | 
|  | CCIPR5 devices. 
 | 
|  | 
| #define | MCO1_PRE(val)   STM32_DT_CLOCK_SELECT((val), 7, 4, CCIPR5_REG) | 
|  | 
| #define | MCO2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR5_REG) | 
|  | 
| #define | MCO2_PRE(val)   STM32_DT_CLOCK_SELECT((val), 15, 12, CCIPR5_REG) | 
|  | 
| #define | MDF1SEL(val)   STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR5_REG) | 
|  | 
| #define | XSPI1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 1, 0, CCIPR6_REG) | 
|  | CCIPR6 devices. 
 | 
|  | 
| #define | XSPI2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 5, 4, CCIPR6_REG) | 
|  | 
| #define | XSPI3_SEL(val)   STM32_DT_CLOCK_SELECT((val), 9, 8, CCIPR6_REG) | 
|  | 
| #define | OTGPHY1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 13, 12, CCIPR6_REG) | 
|  | 
| #define | OTGPHY1CKREF_SEL(val)   STM32_DT_CLOCK_SELECT((val), 16, 16, CCIPR6_REG) | 
|  | 
| #define | OTGPHY2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 21, 20, CCIPR6_REG) | 
|  | 
| #define | OTGPHY2CKREF_SEL(val)   STM32_DT_CLOCK_SELECT((val), 24, 24, CCIPR6_REG) | 
|  | 
| #define | PER_SEL(val)   STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR7_REG) | 
|  | CCIPR7 devices. 
 | 
|  | 
| #define | PSSI_SEL(val)   STM32_DT_CLOCK_SELECT((val), 5, 4, CCIPR7_REG) | 
|  | 
| #define | RTC_SEL(val)   STM32_DT_CLOCK_SELECT((val), 9, 8, CCIPR7_REG) | 
|  | 
| #define | SAI1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 22, 20, CCIPR7_REG) | 
|  | 
| #define | SAI2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 26, 24, CCIPR7_REG) | 
|  | 
| #define | SDMMC1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 1, 0, CCIPR8_REG) | 
|  | CCIPR8 devices. 
 | 
|  | 
| #define | SDMMC2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 5, 4, CCIPR8_REG) | 
|  | 
| #define | SPDIFRX1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR9_REG) | 
|  | CCIPR9 devices. 
 | 
|  | 
| #define | SPI1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 6, 4, CCIPR9_REG) | 
|  | 
| #define | SPI2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR9_REG) | 
|  | 
| #define | SPI3_SEL(val)   STM32_DT_CLOCK_SELECT((val), 14, 12, CCIPR9_REG) | 
|  | 
| #define | SPI4_SEL(val)   STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR9_REG) | 
|  | 
| #define | SPI5_SEL(val)   STM32_DT_CLOCK_SELECT((val), 22, 20, CCIPR9_REG) | 
|  | 
| #define | SPI6_SEL(val)   STM32_DT_CLOCK_SELECT((val), 26, 24, CCIPR9_REG) | 
|  | 
| #define | LPTIM1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR12_REG) | 
|  | CCIPR12 devices. 
 | 
|  | 
| #define | LPTIM2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 14, 12, CCIPR12_REG) | 
|  | 
| #define | LPTIM3_SEL(val)   STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR12_REG) | 
|  | 
| #define | LPTIM4_SEL(val)   STM32_DT_CLOCK_SELECT((val), 22, 20, CCIPR12_REG) | 
|  | 
| #define | LPTIM5_SEL(val)   STM32_DT_CLOCK_SELECT((val), 26, 24, CCIPR12_REG) | 
|  | 
| #define | USART1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR13_REG) | 
|  | CCIPR13 devices. 
 | 
|  | 
| #define | USART2_SEL(val)   STM32_DT_CLOCK_SELECT((val), 6, 4, CCIPR13_REG) | 
|  | 
| #define | USART3_SEL(val)   STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR13_REG) | 
|  | 
| #define | UART4_SEL(val)   STM32_DT_CLOCK_SELECT((val), 14, 12, CCIPR13_REG) | 
|  | 
| #define | UART5_SEL(val)   STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR13_REG) | 
|  | 
| #define | USART6_SEL(val)   STM32_DT_CLOCK_SELECT((val), 22, 20, CCIPR13_REG) | 
|  | 
| #define | UART7_SEL(val)   STM32_DT_CLOCK_SELECT((val), 26, 24, CCIPR13_REG) | 
|  | 
| #define | UART8_SEL(val)   STM32_DT_CLOCK_SELECT((val), 30, 28, CCIPR13_REG) | 
|  | 
| #define | UART9_SEL(val)   STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR14_REG) | 
|  | CCIPR14 devices. 
 | 
|  | 
| #define | USART10_SEL(val)   STM32_DT_CLOCK_SELECT((val), 6, 4, CCIPR14_REG) | 
|  | 
| #define | LPUART1_SEL(val)   STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR14_REG) | 
|  | 
| #define | ICxCFGR_REG(ic)   (0xC4 + ((ic) - 1) * 4) | 
|  | RCC_ICxCFGR register offset (RM0486.pdf) 
 | 
|  | 
| #define | ICx_PLLy_SEL(ic,  pll)   STM32_DT_CLOCK_SELECT((pll) - 1, 29, 28, ICxCFGR_REG(ic)) | 
|  | Divider ICx source selection. 
 | 
|  | 
| #define | CFGR1_REG   0x20 | 
|  | RCC_CFGR1 register offset (RM0486.pdf) 
 | 
|  | 
| #define | CPU_SEL(val)   STM32_DT_CLOCK_SELECT((val), 17, 16, CFGR1_REG) | 
|  | CPU clock switch selection. 
 | 
|  | 
| #define | ADC_PRE_DIV(pres)   ((pres - 1) & 0xFFU) | 
|  |