Explicitly add "#address-cells = <0>" and "#size-cells = <0>" to eliminate below warnings. (spi_bus_bridge): /example-0/spi: incorrect #address-cells for SPI bus (spi_bus_bridge): /example-0/spi: incorrect #size-cells for SPI bus (spi_bus_reg): Failed prerequisite 'spi_bus_bridge' Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> --- Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml b/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml index ade733cd60f7925..b3c45c046ba5e37 100644 --- a/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml +++ b/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml @@ -42,6 +42,8 @@ examples: spi { spi-slave; + #address-cells = <0>; + #size-cells = <0>; ready-gpios = <&gpio 125 GPIO_ACTIVE_HIGH>; slave { -- 1.8.3