On 15/09/2022 15:37, Dmitry Baryshkov wrote: > In order to make the schema more readable, split dpu-sc7180 into the DPU > and MDSS parts, each one describing just a single device binding. > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> Thank you for your patch. There is something to discuss/improve. > +--- > +$id: http://devicetree.org/schemas/display/msm/qcom,sc7180-dpu.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm Display DPU dt properties for SC7180 target > + > +maintainers: > + - Krishna Manikandan <quic_mkrishn@xxxxxxxxxxx> > + missing allOf > +$ref: /schemas/display/msm/dpu-common.yaml# > + > +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 > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/qcom,dispcc-sc7180.h> > + #include <dt-bindings/clock/qcom,gcc-sc7180.h> > + #include <dt-bindings/power/qcom-rpmpd.h> > + > + display-controller@ae01000 { > + compatible = "qcom,sc7180-dpu"; > + reg = <0x0ae01000 0x8f000>, > + <0x0aeb0000 0x2008>; > + > + reg-names = "mdp", "vbif"; > + > + clocks = <&gcc GCC_DISP_HF_AXI_CLK>, > + <&dispcc DISP_CC_MDSS_AHB_CLK>, > + <&dispcc DISP_CC_MDSS_ROT_CLK>, > + <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>, > + <&dispcc DISP_CC_MDSS_MDP_CLK>, > + <&dispcc DISP_CC_MDSS_VSYNC_CLK>; > + clock-names = "bus", "iface", "rot", "lut", "core", > + "vsync"; > + > + interrupt-parent = <&mdss>; > + interrupts = <0>; > + power-domains = <&rpmhpd SC7180_CX>; > + operating-points-v2 = <&mdp_opp_table>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + endpoint { > + remote-endpoint = <&dsi0_in>; > + }; > + }; > + > + port@2 { > + reg = <2>; > + endpoint { > + remote-endpoint = <&dp_in>; > + }; > + }; > + }; > + }; > +... > diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sc7180-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sc7180-mdss.yaml > new file mode 100644 > index 000000000000..e507c091b60f > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/msm/qcom,sc7180-mdss.yaml > @@ -0,0 +1,84 @@ > +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/msm/qcom,sc7180-mdss.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm SC7180 Display MDSS > + > +maintainers: > + - Krishna Manikandan <quic_mkrishn@xxxxxxxxxxx> > + > +description: > + Device tree bindings for MSM Mobile Display Subsystem(MDSS) that encapsulates > + sub-blocks like DPU display controller, DSI and DP interfaces etc. Device tree > + bindings of MDSS are mentioned for SC7180 target. > + missing allOf. > +$ref: /schemas/display/msm/mdss-common.yaml# > + > +properties: > + compatible: > + items: > + - const: qcom,sc7180-mdss > + > + 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 > + > + interconnects: > + maxItems: 1 > + > + interconnect-names: > + maxItems: 1 > + > +patternProperties: > + "^display-controller@[0-9a-f]+$": > + type: object > + properties: > + compatible: > + const: qcom,sc7180-dpu > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/qcom,dispcc-sc7180.h> > + #include <dt-bindings/clock/qcom,gcc-sc7180.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/interconnect/qcom,sdm845.h> > + #include <dt-bindings/power/qcom-rpmpd.h> > + > + display-subsystem@ae00000 { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "qcom,sc7180-mdss"; > + reg = <0xae00000 0x1000>; > + reg-names = "mdss"; > + power-domains = <&dispcc MDSS_GDSC>; > + clocks = <&gcc GCC_DISP_AHB_CLK>, > + <&dispcc DISP_CC_MDSS_AHB_CLK>, > + <&dispcc DISP_CC_MDSS_MDP_CLK>; > + clock-names = "iface", "ahb", "core"; > + > + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-controller; > + #interrupt-cells = <1>; > + > + interconnects = <&mmss_noc MASTER_MDP0 &mc_virt SLAVE_EBI1>; > + interconnect-names = "mdp0-mem"; > + > + iommus = <&apps_smmu 0x800 0x2>; > + ranges; This should come with full example, so with display-controller child (unless Rob asked not to?) > + }; > +... Best regards, Krzysztof