ZX296702_UART1_WCLK 168 include/dt-bindings/clock/zx296702-clock.h #define ZX296702_UART1_WCLK 4 ZX296702_UART1_WCLK 168 scripts/dtc/include-prefixes/dt-bindings/clock/zx296702-clock.h #define ZX296702_UART1_WCLK 4