A test with the command below does not detect all errors in combination with 'additionalProperties: false' and allOf: - $ref: "spi-controller.yaml#" 'additionalProperties' applies to all properties that are not accounted-for by 'properties' or 'patternProperties' in the immediate schema. First when we combine spi-rockchip.yaml and spi-controller.yaml it gives this error: arch/arm64/boot/dts/rockchip/rk3399-hugsun-x99.dt.yaml: spi@ff1d0000: 'max-freq' does not match any of the regexes: '^.*@[0-9a-f]+$', '^slave$' 'max-freq' is not a valid property name for spi nodes, so remove it. make ARCH=arm64 dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/spi/spi-rockchip.yaml Signed-off-by: Johan Jonker <jbx6244@xxxxxxxxx> --- arch/arm64/boot/dts/rockchip/rk3399-hugsun-x99.dts | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-hugsun-x99.dts b/arch/arm64/boot/dts/rockchip/rk3399-hugsun-x99.dts index f2ffee639..ee4867fbe 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-hugsun-x99.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-hugsun-x99.dts @@ -610,7 +610,6 @@ &spi1 { status = "okay"; - max-freq = <10000000>; flash@0 { compatible = "jedec,spi-nor"; -- 2.11.0