IMX8MM_DRAM_PLL_REF_SEL 20 include/dt-bindings/clock/imx8mm-clock.h #define IMX8MM_DRAM_PLL_REF_SEL 11 IMX8MM_DRAM_PLL_REF_SEL 20 scripts/dtc/include-prefixes/dt-bindings/clock/imx8mm-clock.h #define IMX8MM_DRAM_PLL_REF_SEL 11