Re: [PATCH v6 06/12] dt-bindings: display/msm: split dpu-sc7180 into DPU and MDSS parts

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On 01/09/2022 12:23, 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.

> -                           #address-cells = <1>;
> -                           #size-cells = <0>;
> -
> -                           port@0 {
> -                                   reg = <0>;
> -                                   dpu_intf1_out: endpoint {
> -                                                  remote-endpoint = <&dsi0_in>;
> -                                   };
> -                           };
> -
> -                            port@2 {
> -                                    reg = <2>;
> -                                    dpu_intf0_out: endpoint {
> -                                                   remote-endpoint = <&dp_in>;
> -                                    };
> -                            };
> -                   };
> -         };
> +    display-controller@ae01000 {
> +               compatible = "qcom,sc7180-dpu";
> +               reg = <0x0ae01000 0x8f000>,

You need to fix up the indentation.

> +                     <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>;
> +                               dpu_intf1_out: endpoint {
> +                                              remote-endpoint = <&dsi0_in>;
> +                               };
> +                       };
> +
> +                        port@2 {
> +                                reg = <2>;
> +                                dpu_intf0_out: endpoint {
> +                                               remote-endpoint = <&dp_in>;
> +                                };
> +                        };
> +               };
>      };
>  ...
> diff --git a/Documentation/devicetree/bindings/display/msm/mdss-sc7180.yaml b/Documentation/devicetree/bindings/display/msm/mdss-sc7180.yaml
> new file mode 100644
> index 000000000000..27d944f0e471
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/msm/mdss-sc7180.yaml
> @@ -0,0 +1,85 @@
> +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/msm/mdss-sc7180.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Display MDSS dt properties for SC7180 target
> +
> +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.
> +
> +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

You have now schema for qcom,sc7180-dpu so just reference it here instead.

> +
> +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>;

Fix indentation to four spaces.



Best regards,
Krzysztof



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