AM654_SERDES_CMU_REFCLK 9 include/dt-bindings/phy/phy-am654-serdes.h #define AM654_SERDES_CMU_REFCLK 0 AM654_SERDES_CMU_REFCLK 9 scripts/dtc/include-prefixes/dt-bindings/phy/phy-am654-serdes.h #define AM654_SERDES_CMU_REFCLK 0