M_UART78
K_MMUX(M_UART78, RCC_UART78CKSELR, 0, 3, 0),
KCLK(UART7_K, "uart7_k", usart234578_src, 0, G_UART7, M_UART78),
KCLK(UART8_K, "uart8_k", usart234578_src, 0, G_UART8, M_UART78),