AT91_USART_MODE_SPI   15 include/dt-bindings/mfd/at91-usart.h #define AT91_USART_MODE_SPI	1
AT91_USART_MODE_SPI   15 scripts/dtc/include-prefixes/dt-bindings/mfd/at91-usart.h #define AT91_USART_MODE_SPI	1