On 10/07/2022 12:00, Dmitry Baryshkov wrote: > Move schema for qcom,sc7180-mdss from dpu-sc7180.yaml to mdss.yaml so > that the dpu file describes only the DPU schema. > > Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org> > --- > .../bindings/display/msm/dpu-sc7180.yaml | 149 +++++------------- > .../devicetree/bindings/display/msm/mdss.yaml | 45 +++++- > 2 files changed, 80 insertions(+), 114 deletions(-) > > diff --git a/Documentation/devicetree/bindings/display/msm/dpu-sc7180.yaml > b/Documentation/devicetree/bindings/display/msm/dpu-sc7180.yaml > index d3c3e4b07897..9d4ec0b60c25 100644 > --- a/Documentation/devicetree/bindings/display/msm/dpu-sc7180.yaml > +++ b/Documentation/devicetree/bindings/display/msm/dpu-sc7180.yaml > @@ -10,151 +10,78 @@ maintainers: > - Krishna Manikandan <quic_mkri...@quicinc.com> > > description: | > - Device tree bindings for MSM Mobile Display Subsystem(MDSS) that > encapsulates > - sub-blocks like DPU display controller, DSI and DP interfaces etc. Device > tree > - bindings of MDSS and DPU are mentioned for SC7180 target. > + Device tree bindings for the DPU display controller for SC7180 target. > > properties: > compatible: > items: > - - const: qcom,sc7180-mdss > + - const: qcom,sc7180-dpu > > reg: > - maxItems: 1 > + items: > + - description: Address offset and size for mdp register set > + - description: Address offset and size for vbif register set > > reg-names: > - const: mdss > - > - power-domains: > - maxItems: 1 > + items: > + - const: mdp > + - const: vbif > > clocks: > items: > - - description: Display AHB clock from gcc > - - description: Display AHB clock from dispcc > + - description: Display hf axi clock > + - description: Display ahb clock > + - description: Display rotator clock > + - description: Display lut clock > - description: Display core clock > + - description: Display vsync clock > > clock-names: > items: > + - const: bus > - const: iface > - - const: ahb > + - const: rot > + - const: lut > - const: core > + - const: vsync > > interrupts: > maxItems: 1 > > - interrupt-controller: true > - > - "#address-cells": true > - > - "#size-cells": true > - > - "#interrupt-cells": > - const: 1 > - > - iommus: > - items: > - - description: Phandle to apps_smmu node with SID mask for Hard-Fail > port0 > - > - ranges: true > - > - interconnects: > - items: > - - description: Interconnect path specifying the port ids for data bus > - > - interconnect-names: > - const: mdp0-mem > + power-domains: > + maxItems: 1 > > - resets: > - items: > - - description: MDSS_CORE reset > + operating-points-v2: true > > -patternProperties: > - "^display-controller@[0-9a-f]+$": > - type: object > - description: Node containing the properties of DPU. > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + description: | > + Contains the list of output ports from DPU device. These ports > + connect to interfaces that are external to the DPU hardware, > + such as DSI, DP etc. Each output port contains an endpoint that > + describes how it is connected to an external interface. > > properties: > - compatible: > - items: > - - const: qcom,sc7180-dpu > - > - reg: > - items: > - - description: Address offset and size for mdp register set > - - description: Address offset and size for vbif register set > - > - reg-names: > - items: > - - const: mdp > - - const: vbif > - > - clocks: > - items: > - - description: Display hf axi clock > - - description: Display ahb clock > - - description: Display rotator clock > - - description: Display lut clock > - - description: Display core clock > - - description: Display vsync clock > - > - clock-names: > - items: > - - const: bus > - - const: iface > - - const: rot > - - const: lut > - - const: core > - - const: vsync > - > - interrupts: > - maxItems: 1 > - > - power-domains: > - maxItems: 1 > - > - operating-points-v2: true > - > - ports: > - $ref: /schemas/graph.yaml#/properties/ports > - description: | > - Contains the list of output ports from DPU device. These ports > - connect to interfaces that are external to the DPU hardware, > - such as DSI, DP etc. Each output port contains an endpoint that > - describes how it is connected to an external interface. > - > - properties: > - port@0: > - $ref: /schemas/graph.yaml#/properties/port > - description: DPU_INTF1 (DSI1) > - > - port@2: > - $ref: /schemas/graph.yaml#/properties/port > - description: DPU_INTF0 (DP) > - > - required: > - - port@0 > + port@0: > + $ref: /schemas/graph.yaml#/properties/port > + description: DPU_INTF1 (DSI1) > + > + port@2: > + $ref: /schemas/graph.yaml#/properties/port > + description: DPU_INTF0 (DP) > > required: > - - compatible > - - reg > - - reg-names > - - clocks > - - interrupts > - - power-domains > - - operating-points-v2 > - - ports > + - port@0 > > required: > - compatible > - reg > - reg-names > - - power-domains > - clocks > - interrupts > - - interrupt-controller > - - iommus > - - ranges > + - power-domains > + - operating-points-v2 > + - ports > > additionalProperties: false > > diff --git a/Documentation/devicetree/bindings/display/msm/mdss.yaml > b/Documentation/devicetree/bindings/display/msm/mdss.yaml > index 7d4ab3d71d2d..98f1f2501291 100644 > --- a/Documentation/devicetree/bindings/display/msm/mdss.yaml > +++ b/Documentation/devicetree/bindings/display/msm/mdss.yaml > @@ -17,6 +17,7 @@ description: > properties: > compatible: > enum: > + - qcom,sc7180-mdss > - qcom,sdm845-mdss > - qcom,mdss > > @@ -64,20 +65,21 @@ properties: > - description: MDSS_CORE reset > > interconnects: > - minItems: 2 > + minItems: 1 > items: > - description: MDP port 0 > - description: MDP port 1 > - description: Rotator > > interconnect-names: > - minItems: 2 > + minItems: 1 > items: > - const: mdp0-mem > - const: mdp1-mem > - const: rotator-mem > > iommus: > + minItems: 1 > items: > - description: Phandle to apps_smmu node with SID mask for Hard-Fail > port0 > - description: Phandle to apps_smmu node with SID mask for Hard-Fail > port1 > @@ -129,9 +131,11 @@ allOf: > - const: mdss > > interconnects: > + minItems: 1 > maxItems: 2 > > interconnect-names: > + minItems: 1 > maxItems: 2 > > required: > @@ -157,6 +161,29 @@ allOf: > iommus: > minItems: 2 > > + - if: > + properties: > + compatible: > + contains: > + enum: > + - qcom,sc7180-mdss > + then: > + properties: > + clocks: > + items: > + - description: Display AHB clock from gcc > + - description: Display AHB clock from dispcc > + - description: Display core clock > + > + clock-names: > + items: > + - const: iface > + - const: ahb > + - const: core > + > + iommus: > + maxItems: 1 > + > required: > - compatible > - reg > @@ -177,7 +204,19 @@ patternProperties: > # TODO: add reference once the mdp5 is converted > > "^display-controller@(0|[1-9a-f][0-9a-f]*)$": > - $ref: dpu-sdm845.yaml > + oneOf: > + - $ref: dpu-sc7180.yaml > + - $ref: dpu-sdm845.yaml
I don't think this is good approach. These are strictly tied, so you should have rather per SoC MDSS schema pulling in: 1. common MDSS 2. specific children schemas This makes it quite obvious and specific. Your setup now allows putting sc7180-dpu under sdm845-dpu. Best regards, Krzysztof