The #sound-dai-cells property should be used only for DP controllers. It doesn't make sense for eDP, there is no support for audio output. The aux-bus should not be used for DP controllers. Also p1 MMIO region should be used only for DP controllers. Take care of these differences. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- .../bindings/display/msm/dp-controller.yaml | 26 ++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml index 52cbf00df0ba..f2515af8256f 100644 --- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml @@ -24,6 +24,7 @@ properties: - qcom,sm8350-dp reg: + minItems: 4 items: - description: ahb register block - description: aux register block @@ -112,10 +113,33 @@ required: - clock-names - phys - phy-names - - "#sound-dai-cells" - power-domains - ports +allOf: + # AUX BUS does not exist on DP controllers + # Audio output also is present only on DP output + # p1 regions is present on DP, but not on eDP + - if: + properties: + compatible: + contains: + enum: + - qcom,sc7280-edp + - qcom,sc8180x-edp + then: + properties: + "#sound-dai-cells": false + reg: + maxItems: 4 + else: + properties: + aux-bus: false + reg: + minItems: 5 + required: + - "#sound-dai-cells" + additionalProperties: false examples: -- 2.35.1