linux-kernel - Re: [PATCH v4 3/4] arm64: dts: qcom: sc7280: add edp display dt nodes

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Message-ID: <YaeVaTtP4g6mchDr@builder.lan>
Date:   Wed, 1 Dec 2021 09:31:53 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Sankeerth Billakanti <quic_sbillaka@...cinc.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, agross@...nel.org, robh+dt@...nel.org,
        robdclark@...il.com, seanpaul@...omium.org, swboyd@...omium.org,
        quic_kalyant@...cinc.com, quic_abhinavk@...cinc.com,
        dianders@...omium.org, quic_khsieh@...cinc.com,
        quic_mkrishn@...cinc.com
Subject: Re: [PATCH v4 3/4] arm64: dts: qcom: sc7280: add edp display dt nodes

On Mon 22 Nov 05:26 CST 2021, Sankeerth Billakanti wrote:

> Add edp controller and phy DT nodes for sc7280.
> 
> Signed-off-by: Krishna Manikandan <quic_mkrishn@...cinc.com>

If Krishna authored the patch (he certified its origin first), then he
should be From: as well.

> Reviewed-by: Stephen Boyd <swboyd@...omium.org>
> Signed-off-by: Sankeerth Billakanti <quic_sbillaka@...cinc.com>
> ---
> 
> Changes in v4:
>     None
> 
> Changes in v3:
>     - Add one clock cell per line (Stephen Boyd)
>     - Unit address should match first reg property (Stephen Boyd)
>     - Remove new line (Stephen Boyd)
>     - Add the dsi_phy clocks in dispcc (Kuogee Hsieh)
> 
> Changes in v2:
>     - Move regulator definitions to board file (Matthias Kaehlcke)
>     - Move the gpio definitions to board file (Matthias Kaehlcke)
>     - Move the pinconf to board file (Matthias Kaehlcke)
>     - Move status property (Stephen Boyd)
>     - Drop flags from interrupts (Stephen Boyd)
>     - Add clock names one per line for readability (Stephen Boyd)
>     - Rename edp-opp-table (Stephen Boyd)
> 
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 107 ++++++++++++++++++++++++++++++++++-
>  1 file changed, 105 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 12c4d32..5ad500e 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -2695,8 +2695,8 @@
>  				 <&dsi_phy 1>,
>  				 <0>,
>  				 <0>,
> -				 <0>,
> -				 <0>;
> +				 <&edp_phy 0>,
> +				 <&edp_phy 1>;
>  			clock-names = "bi_tcxo",
>  				      "gcc_disp_gpll0_clk",
>  				      "dsi0_phy_pll_out_byteclk",
> @@ -2784,6 +2784,13 @@
>  							remote-endpoint = <&dsi0_in>;
>  						};
>  					};
> +
> +					port@1 {
> +						reg = <1>;
> +						dpu_intf5_out: endpoint {
> +							remote-endpoint = <&edp_in>;
> +						};
> +					};
>  				};
>  
>  				mdp_opp_table: opp-table {
> @@ -2899,6 +2906,102 @@
>  
>  				status = "disabled";
>  			};
> +
> +			msm_edp: edp@...0000 {

mdss_edp:

> +				compatible = "qcom,sc7280-edp";
> +
> +				reg = <0 0xaea0000 0 0x200>,
> +				      <0 0xaea0200 0 0x200>,
> +				      <0 0xaea0400 0 0xc00>,
> +				      <0 0xaea1000 0 0x400>;
> +
> +				interrupt-parent = <&mdss>;
> +				interrupts = <14>;
> +
> +				clocks = <&rpmhcc RPMH_CXO_CLK>,
> +					 <&gcc GCC_EDP_CLKREF_EN>,
> +					 <&dispcc DISP_CC_MDSS_AHB_CLK>,
> +					 <&dispcc DISP_CC_MDSS_EDP_AUX_CLK>,
> +					 <&dispcc DISP_CC_MDSS_EDP_LINK_CLK>,
> +					 <&dispcc DISP_CC_MDSS_EDP_LINK_INTF_CLK>,
> +					 <&dispcc DISP_CC_MDSS_EDP_PIXEL_CLK>;
> +				clock-names = "core_xo",
> +					      "core_ref",
> +					      "core_iface",
> +					      "core_aux",
> +					      "ctrl_link",
> +					      "ctrl_link_iface",
> +					      "stream_pixel";
> +				#clock-cells = <1>;
> +				assigned-clocks = <&dispcc DISP_CC_MDSS_EDP_LINK_CLK_SRC>,
> +						  <&dispcc DISP_CC_MDSS_EDP_PIXEL_CLK_SRC>;
> +				assigned-clock-parents = <&edp_phy 0>, <&edp_phy 1>;
> +
> +				phys = <&edp_phy>;
> +				phy-names = "dp";
> +
> +				operating-points-v2 = <&edp_opp_table>;
> +				power-domains = <&rpmhpd SC7280_CX>;
> +
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				status = "disabled";
> +
> +				ports {
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +					port@0 {
> +						reg = <0>;
> +						edp_in: endpoint {
> +							remote-endpoint = <&dpu_intf5_out>;
> +						};
> +					};
> +				};
> +
> +				edp_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_nom>;
> +					};
> +
> +					opp-810000000 {
> +						opp-hz = /bits/ 64 <810000000>;
> +						required-opps = <&rpmhpd_opp_nom>;
> +					};
> +				};
> +			};
> +
> +			edp_phy: phy@...2a00 {

mdss_edp_phy

Thanks,
Bjorn

> +				compatible = "qcom,sc7280-edp-phy";
> +
> +				reg = <0 0xaec2a00 0 0x19c>,
> +				      <0 0xaec2200 0 0xa0>,
> +				      <0 0xaec2600 0 0xa0>,
> +				      <0 0xaec2000 0 0x1c0>;
> +
> +				clocks = <&rpmhcc RPMH_CXO_CLK>,
> +					 <&gcc GCC_EDP_CLKREF_EN>;
> +				clock-names = "aux",
> +					      "cfg_ahb";
> +
> +				#clock-cells = <1>;
> +				#phy-cells = <0>;
> +
> +				status = "disabled";
> +			};
>  		};
>  
>  		pdc: interrupt-controller@...0000 {
> -- 
> 2.7.4
>