The dt_binding_check currently issues the following warnings for the Tegra186 and Tegra194 SMMUs ... arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dt.yaml: iommu@12000000: 'nvidia,memory-controller' does not match any of the regexes: 'pinctrl-[0-9]+' From schema: Documentation/devicetree/bindings/iommu/arm,smmu.yaml DTC arch/arm64/boot/dts/nvidia/tegra186-p3509-0000+p3636-0001.dt.yaml CHECK arch/arm64/boot/dts/nvidia/tegra186-p3509-0000+p3636-0001.dt.yaml Add the missing 'nvidia,memory-controller' property to fix the above warning. Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx> --- Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml index f66a3effba73..5dce07b12cd7 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml @@ -155,6 +155,10 @@ properties: power-domains: maxItems: 1 + nvidia,memory-controller: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle of the memory controller node + required: - compatible - reg -- 2.25.1