RCC_USBCKSELR 1639 drivers/clk/clk-stm32mp1.c K_MUX(M_USBPHY, RCC_USBCKSELR, 0, 2, 0), RCC_USBCKSELR 1640 drivers/clk/clk-stm32mp1.c K_MUX(M_USBO, RCC_USBCKSELR, 4, 1, 0),