Re: [PATCH v2 3/4] arm64: dts: qcom: sc8280xp-x13s: Enable external display

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On 9.02.2023 02:13, Bjorn Andersson wrote:
> Like on the CRD, add the necessary nodes to enable USB Type-C
> altmode-based external display on the Lenovo ThinkPad X13s.
> 
> Signed-off-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>
> ---
> 
> Changes since v1:
> - Fixed style and property sort issues
> - Moved dwc3/port to sc8280xp.dtsi, override remote-endpoint here
Excuse me, but I don't see that change..


> - Added pinconf properties to SBU control pins
> - Dropped unused mode-pins
> 
>  .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts    | 188 +++++++++++++++++-
>  1 file changed, 186 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> index f936b020a71d..923972e54eb1 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> @@ -77,6 +77,78 @@ switch-lid {
>  		};
>  	};
>  
> +	pmic-glink {
> +		compatible = "qcom,sc8280xp-pmic-glink", "qcom,pmic-glink";
> +
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		connector@0 {
> +			compatible = "usb-c-connector";
> +			reg = <0>;
> +			power-role = "dual";
> +			data-role = "dual";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
Add a newline before the child nodes, please.

Konrad
> +					pmic_glink_con0_hs: endpoint {
> +						remote-endpoint = <&usb_0_role_switch>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +					pmic_glink_con0_ss: endpoint {
> +						remote-endpoint = <&mdss0_dp0_out>;
> +					};
> +				};
> +
> +				port@2 {
> +					reg = <2>;
> +					pmic_glink_con0_sbu: endpoint {
> +						remote-endpoint = <&usb0_sbu_mux>;
> +					};
> +				};
> +			};
> +		};
> +
> +		connector@1 {
> +			compatible = "usb-c-connector";
> +			reg = <1>;
> +			power-role = "dual";
> +			data-role = "dual";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				port@0 {
> +					reg = <0>;
> +					pmic_glink_con1_hs: endpoint {
> +						remote-endpoint = <&usb_1_role_switch>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +					pmic_glink_con1_ss: endpoint {
> +						remote-endpoint = <&mdss0_dp1_out>;
> +					};
> +				};
> +
> +				port@2 {
> +					reg = <2>;
> +					pmic_glink_con1_sbu: endpoint {
> +						remote-endpoint = <&usb1_sbu_mux>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +
>  	vreg_edp_3p3: regulator-edp-3p3 {
>  		compatible = "regulator-fixed";
>  
> @@ -238,6 +310,46 @@ map1 {
>  			};
>  		};
>  	};
> +
> +	usb0-sbu-mux {
> +		compatible = "pericom,pi3usb102", "gpio-sbu-mux";
> +
> +		enable-gpios = <&tlmm 101 GPIO_ACTIVE_LOW>;
> +		select-gpios = <&tlmm 164 GPIO_ACTIVE_HIGH>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&usb0_sbu_default>;
> +
> +		mode-switch;
> +		orientation-switch;
> +		svid = /bits/ 16 <0xff01>;
> +
> +		port {
> +			usb0_sbu_mux: endpoint {
> +				remote-endpoint = <&pmic_glink_con0_sbu>;
> +			};
> +		};
> +	};
> +
> +	usb1-sbu-mux {
> +		compatible = "pericom,pi3usb102", "gpio-sbu-mux";
> +
> +		enable-gpios = <&tlmm 48 GPIO_ACTIVE_LOW>;
> +		select-gpios = <&tlmm 47 GPIO_ACTIVE_HIGH>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&usb1_sbu_default>;
> +
> +		mode-switch;
> +		orientation-switch;
> +		svid = /bits/ 16 <0xff01>;
> +
> +		port {
> +			usb1_sbu_mux: endpoint {
> +				remote-endpoint = <&pmic_glink_con1_sbu>;
> +			};
> +		};
> +	};
>  };
>  
>  &apps_rsc {
> @@ -377,6 +489,34 @@ &mdss0 {
>  	status = "okay";
>  };
>  
> +&mdss0_dp0 {
> +	data-lanes = <0 1>;
> +	status = "okay";
> +
> +	ports {
> +		port@1 {
> +			reg = <1>;
> +			mdss0_dp0_out: endpoint {
> +				remote-endpoint = <&pmic_glink_con0_ss>;
> +			};
> +		};
> +	};
> +};
> +
> +&mdss0_dp1 {
> +	data-lanes = <0 1>;
> +	status = "okay";
> +
> +	ports {
> +		port@1 {
> +			reg = <1>;
> +			mdss0_dp1_out: endpoint {
> +				remote-endpoint = <&pmic_glink_con1_ss>;
> +			};
> +		};
> +	};
> +};
> +
>  &mdss0_dp3 {
>  	compatible = "qcom,sc8280xp-edp";
>  
> @@ -871,8 +1011,13 @@ &usb_0 {
>  };
>  
>  &usb_0_dwc3 {
> -	/* TODO: Define USB-C connector properly */
>  	dr_mode = "host";
> +
> +	port {
> +		usb_0_role_switch: endpoint {
> +			remote-endpoint = <&pmic_glink_con0_hs>;
> +		};
> +	};
>  };
>  
>  &usb_0_hsphy {
> @@ -895,8 +1040,13 @@ &usb_1 {
>  };
>  
>  &usb_1_dwc3 {
> -	/* TODO: Define USB-C connector properly */
>  	dr_mode = "host";
> +
> +	port {
> +		usb_1_role_switch: endpoint {
> +			remote-endpoint = <&pmic_glink_con1_hs>;
> +		};
> +	};
>  };
>  
>  &usb_1_hsphy {
> @@ -1147,6 +1297,40 @@ reset-n-pins {
>  		};
>  	};
>  
> +	usb0_sbu_default: usb0-sbu-state {
> +		oe-n-pins {
> +			pins = "gpio101";
> +			function = "gpio";
> +			bias-disable;
> +			drive-strengh = <16>;
> +			output-high;
> +		};
> +
> +		sel-pins {
> +			pins = "gpio164";
> +			function = "gpio";
> +			bias-disable;
> +			drive-strength = <16>;
> +		};
> +	};
> +
> +	usb1_sbu_default: usb1-sbu-state {
> +		oe-n-pins {
> +			pins = "gpio48";
> +			function = "gpio";
> +			bias-disable;
> +			drive-strengh = <16>;
> +			output-high;
> +		};
> +
> +		sel-pins {
> +			pins = "gpio47";
> +			function = "gpio";
> +			bias-disable;
> +			drive-strength = <16>;
> +		};
> +	};
> +
>  	wcd_default: wcd-default-state {
>  		reset-pins {
>  			pins = "gpio106";



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