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SubjectRe: [PATCH v3] arm64: dts: qcom: sc7180: Add Display Port dt node
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Quoting Tanmay Shah (2020-06-30 12:51:51)
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 31b9217bb5bf..271d55db62ab 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -2440,6 +2447,44 @@ dsi_phy: dsi-phy@ae94400 {
>
> status = "disabled";
> };
> +
> + msm_dp: displayport-controller@ae90000{
> + status = "disabled";
> + compatible = "qcom,sc7180-dp";
> +
> + reg = <0 0xae90000 0 0x1400>;

Please use full 8 digits in address, i.e. 0x0ae90000.

> + reg-names = "dp_controller";

reg-names is pretty useless here. Please remove it.

> +
> + interrupt-parent = <&mdss>;
> + interrupts = <12 0>;

Please use irq flags instead of 0.

> +
> + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&dispcc DISP_CC_MDSS_DP_AUX_CLK>,
> + <&dispcc DISP_CC_MDSS_DP_LINK_CLK>,
> + <&dispcc DISP_CC_MDSS_DP_LINK_INTF_CLK>,
> + <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK>;
> + clock-names = "core_iface", "core_aux", "ctrl_link",
> + "ctrl_link_iface", "stream_pixel";
> + #clock-cells = <1>;
> + assigned-clocks = <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
> + assigned-clock-parents = <&msm_dp 1>;

Why don't we assign both clk parents here (&msm_dp 0) so that we don't
need any clk_set_parent() calls in the code?

> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + port@0 {
> + reg = <0>;
> + dp_in: endpoint {
> + remote-endpoint = <&dpu_intf0_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + dp_out: endpoint { };
> + };
> + };
> + };
> };
>
> dispcc: clock-controller@af00000 {

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