HI6220_UART0_PCLK 54 include/dt-bindings/clock/hi6220-clock.h #define HI6220_UART0_PCLK 36 HI6220_UART0_PCLK 54 scripts/dtc/include-prefixes/dt-bindings/clock/hi6220-clock.h #define HI6220_UART0_PCLK 36