IMX7D_UART6_ROOT_CG
[IMX7D_UART6_ROOT_CG] = { 0xb200, 28, IMX7D_UART6_ROOT_SRC },
[IMX7D_UART6_ROOT_PRE_DIV] = { 0xb200, 16, 0x7, IMX7D_UART6_ROOT_CG },