Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <b58f6935-b6ac-128b-2fec-a06dccc3210f@linaro.org>
Date:   Mon, 5 Dec 2022 19:09:45 +0100
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0)
 Gecko/20100101 Thunderbird/102.5.0
Subject: Re: [PATCH v4 13/13] arm64: dts: qcom: sa8295-adp: Enable DP
 instances
To:     Bjorn Andersson <quic_bjorande@quicinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc:     Rob Clark <robdclark@gmail.com>,
        Abhinav Kumar <quic_abhinavk@quicinc.com>,
        Sean Paul <sean@poorly.run>, David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Kalyan Thota <quic_kalyant@quicinc.com>,
        Jessica Zhang <quic_jesszhan@quicinc.com>,
        Kuogee Hsieh <quic_khsieh@quicinc.com>,
        Johan Hovold <johan+linaro@kernel.org>,
        Sankeerth Billakanti <quic_sbillaka@quicinc.com>,
        linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
        freedreno@lists.freedesktop.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20221205174433.16847-1-quic_bjorande@quicinc.com>
 <20221205174433.16847-14-quic_bjorande@quicinc.com>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
In-Reply-To: <20221205174433.16847-14-quic_bjorande@quicinc.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk


On 05/12/2022 18:44, Bjorn Andersson wrote:
> From: Bjorn Andersson <bjorn.andersson@linaro.org>
> 
> The SA8295P ADP has, among other interfaces, six MiniDP connectors which
> are connected to MDSS0 DP2 and DP3, and MDSS1 DP0 through DP3.
> 
> Enable Display Clock controllers, MDSS instanced, MDPs, DP controllers,
> DP PHYs and link them all together.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
> ---
> 
> Changes since v3:
> - None
> 
>   arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 243 ++++++++++++++++++++++-
>   1 file changed, 241 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> index 6c29d7d757e0..d55c8c5304cc 100644
> --- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> +++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> @@ -23,6 +23,90 @@ aliases {
>   	chosen {
>   		stdout-path = "serial0:115200n8";
>   	};
> +
> +	dp2-connector {
> +		compatible = "dp-connector";
> +		label = "DP2";
> +		type = "mini";
> +
> +		hpd-gpios = <&tlmm 20 GPIO_ACTIVE_HIGH>;
> +
> +		port {
> +			dp2_connector_in: endpoint {
> +				remote-endpoint = <&mdss1_dp0_phy_out>;
> +			};
> +		};
> +	};
> +
> +	dp3-connector {
> +		compatible = "dp-connector";
> +		label = "DP3";
> +		type = "mini";
> +
> +		hpd-gpios = <&tlmm 45 GPIO_ACTIVE_HIGH>;
> +
> +		port {
> +			dp3_connector_in: endpoint {
> +				remote-endpoint = <&mdss1_dp1_phy_out>;
> +			};
> +		};
> +	};
> +
> +	edp0-connector {
> +		compatible = "dp-connector";
> +		label = "EDP0";
> +		type = "mini";
> +
> +		hpd-gpios = <&tlmm 2 GPIO_ACTIVE_HIGH>;
> +
> +		port {
> +			edp0_connector_in: endpoint {
> +				remote-endpoint = <&mdss0_dp2_phy_out>;
> +			};
> +		};
> +	};
> +
> +	edp1-connector {
> +		compatible = "dp-connector";
> +		label = "EDP1";
> +		type = "mini";
> +
> +		hpd-gpios = <&tlmm 3 GPIO_ACTIVE_HIGH>;
> +
> +		port {
> +			edp1_connector_in: endpoint {
> +				remote-endpoint = <&mdss0_dp3_phy_out>;
> +			};
> +		};
> +	};
> +
> +	edp2-connector {
> +		compatible = "dp-connector";
> +		label = "EDP2";
> +		type = "mini";
> +
> +		hpd-gpios = <&tlmm 7 GPIO_ACTIVE_HIGH>;
> +
> +		port {
> +			edp2_connector_in: endpoint {
> +				remote-endpoint = <&mdss1_dp2_phy_out>;
> +			};
> +		};
> +	};
> +
> +	edp3-connector {
> +		compatible = "dp-connector";
> +		label = "EDP3";
> +		type = "mini";
> +
> +		hpd-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>;
> +
> +		port {
> +			edp3_connector_in: endpoint {
> +				remote-endpoint = <&mdss1_dp3_phy_out>;
> +			};
> +		};
> +	};
>   };
>   
>   &apps_rsc {
> @@ -163,13 +247,168 @@ vreg_l7g: ldo7 {
>   
>   		vreg_l8g: ldo8 {
>   			regulator-name = "vreg_l8g";
> -			regulator-min-microvolt = <880000>;
> -			regulator-max-microvolt = <880000>;
> +			regulator-min-microvolt = <912000>;
> +			regulator-max-microvolt = <912000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l11g: ldo11 {
> +			regulator-name = "vreg_l11g";
> +			regulator-min-microvolt = <912000>;
> +			regulator-max-microvolt = <912000>;
>   			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>   		};
>   	};
>   };
>   
> +&dispcc0 {
> +	status = "okay";
> +};
> +
> +&dispcc1 {
> +	status = "okay";
> +};
> +
> +&mdss0 {
> +	status = "okay";
> +};
> +
> +&mdss0_dp2 {
> +	status = "okay";
status should go last.

> +
> +	data-lanes = <0 1 2 3>;
> +
> +	ports {
> +		port@1 {
> +			reg = <1>;
> +			mdss0_dp2_phy_out: endpoint {
That's quite a lot of indentation.. couldn't these endpoints be defined 
in the SoC DT?

Konrad
> +				remote-endpoint = <&edp0_connector_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&mdss0_dp2_phy {
> +	status = "okay";
> +
> +	vdda-phy-supply = <&vreg_l8g>;
> +	vdda-pll-supply = <&vreg_l3g>;
> +};
> +
> +&mdss0_dp3 {
> +	status = "okay";
> +
> +	data-lanes = <0 1 2 3>;
> +
> +	ports {
> +		port@1 {
> +			reg = <1>;
> +			mdss0_dp3_phy_out: endpoint {
> +				remote-endpoint = <&edp1_connector_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&mdss0_dp3_phy {
> +	status = "okay";
> +
> +	vdda-phy-supply = <&vreg_l8g>;
> +	vdda-pll-supply = <&vreg_l3g>;
> +};
> +
> +&mdss1 {
> +	status = "okay";
> +};
> +
> +&mdss1_dp0 {
> +	status = "okay";
> +
> +	data-lanes = <0 1 2 3>;
> +
> +	ports {
> +		port@1 {
> +			reg = <1>;
> +			mdss1_dp0_phy_out: endpoint {
> +				remote-endpoint = <&dp2_connector_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&mdss1_dp0_phy {
> +	status = "okay";
> +
> +	vdda-phy-supply = <&vreg_l11g>;
> +	vdda-pll-supply = <&vreg_l3g>;
> +};
> +
> +&mdss1_dp1 {
> +	status = "okay";
> +
> +	data-lanes = <0 1 2 3>;
> +
> +	ports {
> +		port@1 {
> +			reg = <1>;
> +			mdss1_dp1_phy_out: endpoint {
> +				remote-endpoint = <&dp3_connector_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&mdss1_dp1_phy {
> +	status = "okay";
> +
> +	vdda-phy-supply = <&vreg_l11g>;
> +	vdda-pll-supply = <&vreg_l3g>;
> +};
> +
> +&mdss1_dp2 {
> +	status = "okay";
> +
> +	data-lanes = <0 1 2 3>;
> +
> +	ports {
> +		port@1 {
> +			reg = <1>;
> +			mdss1_dp2_phy_out: endpoint {
> +				remote-endpoint = <&edp2_connector_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&mdss1_dp2_phy {
> +	status = "okay";
> +
> +	vdda-phy-supply = <&vreg_l11g>;
> +	vdda-pll-supply = <&vreg_l3g>;
> +};
> +
> +&mdss1_dp3 {
> +	status = "okay";
> +
> +	data-lanes = <0 1 2 3>;
> +
> +	ports {
> +		port@1 {
> +			reg = <1>;
> +			mdss1_dp3_phy_out: endpoint {
> +				remote-endpoint = <&edp3_connector_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&mdss1_dp3_phy {
> +	status = "okay";
> +
> +	vdda-phy-supply = <&vreg_l11g>;
> +	vdda-pll-supply = <&vreg_l3g>;
> +};
> +
>   &pcie2a {
>   	perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
>   	wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>;