linux-kernel - [PATCH v1 1/2] ARM64: dts: qcom: enable eDP panel support for sc7280

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Message-ID: <1643048114-2996-2-git-send-email-quic_sbillaka@quicinc.com>
Date:   Mon, 24 Jan 2022 23:45:13 +0530
From:   Sankeerth Billakanti <quic_sbillaka@...cinc.com>
To:     <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>,
        <bjorn.andersson@...aro.org>, <robh+dt@...nel.org>
CC:     Sankeerth Billakanti <quic_sbillaka@...cinc.com>,
        <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: [PATCH v1 1/2] ARM64: dts: qcom: enable eDP panel support for sc7280

Enable the eDP display panel support with backlight on sc7280 platform.

Signed-off-by: Sankeerth Billakanti <quic_sbillaka@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sc7280-crd.dts | 127 ++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-crd.dts b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
index cd2755c..fde6f75 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
@@ -64,6 +64,47 @@ ap_ts_pen_1v8: &i2c13 {
 	};
 };
 
+&mdss {
+	status = "okay";
+};
+
+&mdss_mdp {
+	status = "okay";
+};
+
+&mdss_edp {
+	status = "okay";
+
+	vdda-1p2-supply = <&vreg_l6b_1p2>;
+	vdda-0p9-supply = <&vreg_l10c_0p8>;
+
+	ports {
+		port@1 {
+			reg = <1>;
+			edp_out: endpoint {
+				remote-endpoint = <&edp_panel_in>;
+			};
+		};
+	};
+};
+
+&mdss_edp_phy {
+	status = "okay";
+
+	vdda-1p2-supply = <&vreg_l6b_1p2>;
+	vdda-0p9-supply = <&vreg_l10c_0p8>;
+};
+
+&mdss_dp {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&dp_hot_plug_det>;
+	data-lanes = <0 1>;
+	vdda-1p2-supply = <&vreg_l6b_1p2>;
+	vdda-0p9-supply = <&vreg_l1b_0p8>;
+};
+
 &nvme_3v3_regulator {
 	gpio = <&tlmm 51 GPIO_ACTIVE_HIGH>;
 };
@@ -72,7 +113,93 @@ ap_ts_pen_1v8: &i2c13 {
 	pins = "gpio51";
 };
 
+&pm8350c_pwm{
+	status = "okay";
+};
+
+&pm8350c_gpios {
+	backlight_pwm_default: backlight_pwm_default {
+		pinconf {
+			pins = "gpio8";
+			function = "func1";
+			output-low;
+			bias-disable;
+			power-source = <0>;
+			qcom,drive-strength = <3>;
+		};
+	};
+};
+
+&soc {
+	backlight_power: backlight_power {
+		compatible = "regulator-fixed";
+		regulator-name = "backlight_power";
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	edp_power: edp_power {
+		compatible = "regulator-fixed";
+		regulator-name = "edp_power";
+
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&tlmm 80 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&edp_panel_power_default>;
+	};
+
+	edp_backlight: edp_backlight {
+		compatible = "pwm-backlight";
+
+		pwms = <&pm8350c_pwm 3 65535>;
+		power-supply = <&backlight_power>;
+		enable-gpio = <&pm8350c_gpios 7 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&backlight_pwm_default>;
+	};
+
+	edp_panel: edp_panel {
+		compatible = "sharp_lq140m1jw46";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&edp_hot_plug_det>;
+
+		power-supply = <&edp_power>;
+		backlight = <&edp_backlight>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@0 {
+				reg = <0>;
+				edp_panel_in: endpoint {
+					remote-endpoint = <&edp_out>;
+				};
+			};
+		};
+	};
+};
+
 &tlmm {
+	edp_hot_plug_det: edp-hot-plug-det {
+		pins = "gpio60";
+		function = "edp_hot";
+		bias-pull-down;
+		input-enable;
+	};
+
+	edp_panel_power_default: edp_panel_power_default {
+		pins = "gpio80";
+		function = "gpio";
+		drive-strength = <2>;
+		output-high;
+	};
+
 	tp_int_odl: tp-int-odl {
 		pins = "gpio7";
 		function = "gpio";
-- 
2.7.4