G_USART3
K_MGATE(G_USART3, RCC_APB1ENSETR, 15, 0),
PCLK(USART3, "usart3", "pclk1", 0, G_USART3),
KCLK(USART3_K, "usart3_k", usart234578_src, 0, G_USART3, M_UART35),