CLK_CON_PERI_UART1_IPCLKPORT_I_PCLK
CLK_CON_PERI_UART1_IPCLKPORT_I_PCLK,
CLK_CON_PERI_UART1_IPCLKPORT_I_PCLK, 21, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, 0),