IMX7D_UART1_ROOT_DIV
[IMX7D_UART1_ROOT_CLK] = { 0x4940, 0, IMX7D_UART1_ROOT_DIV },
[IMX7D_UART1_ROOT_DIV] = { 0xaf80, 0, 0x3f, IMX7D_UART1_ROOT_PRE_DIV },