linux-kernel - Re: [PATCH v3] arm64: dts: qcom: sc7280: Add Display Port node

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Date:   Mon, 15 Nov 2021 08:33:07 -0800
From:   khsieh@...eaurora.org
To:     Kuogee Hsieh <quic_khsieh@...cinc.com>
Cc:     robdclark@...il.com, sean@...rly.run, swboyd@...omium.org,
        vkoul@...nel.org, agross@...nel.org, bjorn.andersson@...aro.org,
        robh+dt@...nel.org, devicetree@...r.kernel.org,
        quic_abhinavk@...cinc.com, aravindh@...eaurora.org,
        quic_sbillaka@...cinc.com, quic_mkrishn@...cinc.com,
        quic_kalyant@...cinc.coml, freedreno@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] arm64: dts: qcom: sc7280: Add Display Port node

On 2021-11-02 16:44, Kuogee Hsieh wrote:
> From: Kuogee Hsieh <khsieh@...eaurora.org>
> 
> Signed-off-by: Kuogee Hsieh <quic_khsieh@...cinc.com>
> ---

Anyone has comments on this patch?

> 
> Changes in v2:
> -- move fixes of dp_phy reg property to other patch
> 
> Changes in v3:
> -- delete "qcom,sc7180-dp" from msm_dp node
> 
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 89 
> +++++++++++++++++++++++++++++++++++-
>  1 file changed, 87 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index fb2f1506..4414abc 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -2709,8 +2709,8 @@
>  				 <&gcc GCC_DISP_GPLL0_CLK_SRC>,
>  				 <&dsi_phy 0>,
>  				 <&dsi_phy 1>,
> -				 <0>,
> -				 <0>,
> +			  	 <&dp_phy 0>,
> +			  	 <&dp_phy 1>,
>  				 <&edp_phy 0>,
>  				 <&edp_phy 1>;
>  			clock-names = "bi_tcxo",
> @@ -2807,6 +2807,13 @@
>  							remote-endpoint = <&edp_in>;
>  						};
>  					};
> +
> +					port@2 {
> +                                                reg = <2>;
> +                                                dpu_intf0_out: 
> endpoint {
> +
> remote-endpoint = <&dp_in>;
> +                                                };
> +                                        };
>  				};
> 
>  				mdp_opp_table: opp-table {
> @@ -3018,6 +3025,78 @@
> 
>  				status = "disabled";
>  			};
> +
> +			msm_dp: displayport-controller@...0000 {
> +				status = "disabled";
> +				compatible = "qcom,sc7280-dp";
> +
> +				reg = <0 0x0ae90000 0 0x1400>;
> +
> +				interrupt-parent = <&mdss>;
> +				interrupts = <12>;
> +
> +				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_LINK_CLK_SRC>,
> +						  <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
> +				assigned-clock-parents = <&dp_phy 0>, <&dp_phy 1>;
> +				phys = <&dp_phy>;
> +				phy-names = "dp";
> +
> +				operating-points-v2 = <&dp_opp_table>;
> +				power-domains = <&rpmhpd SC7280_CX>;
> +
> +				#sound-dai-cells = <0>;
> +
> +				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 { };
> +					};
> +				};
> +
> +				dp_opp_table: opp-table {
> +					compatible = "operating-points-v2";
> +
> +					opp-160000000 {
> +						opp-hz = /bits/ 64 <160000000>;
> +						required-opps = <&rpmhpd_opp_low_svs>;
> +					};
> +
> +					opp-270000000 {
> +						opp-hz = /bits/ 64 <270000000>;
> +						required-opps = <&rpmhpd_opp_svs>;
> +					};
> +
> +					opp-540000000 {
> +						opp-hz = /bits/ 64 <540000000>;
> +						required-opps = <&rpmhpd_opp_svs_l1>;
> +					};
> +
> +					opp-810000000 {
> +						opp-hz = /bits/ 64 <810000000>;
> +						required-opps = <&rpmhpd_opp_nom>;
> +					};
> +				};
> +			};
>  		};
> 
>  		pdc: interrupt-controller@...0000 {
> @@ -3120,6 +3199,12 @@
>  				bias-pull-up;
>  			};
> 
> +			dp_hot_plug_det: dp-hot-plug-det {
> +				pins = "gpio47";
> +				function = "dp_hot";
> +				bias-disable;
> +                        };
> +
>  			qspi_clk: qspi-clk {
>  				pins = "gpio14";
>  				function = "qspi_clk";