linux-kernel - [PATCH] arm64: dts: qcom: c630: Define eDP bridge and panel

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Date:   Fri, 27 Nov 2020 21:42:31 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Steev Klimaszewski <steev@...i.org>,
        Shawn Guo <shawn.guo@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: qcom: c630: Define eDP bridge and panel

The Lenovo Yoga C630 drives the Boe NV133FHM-N61 eDP display from DSI
using a TI SN65DSI86 bridge chip on I2C 10. Define the bridge and eDP
panel and enable the display blocks.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 .../boot/dts/qcom/sdm850-lenovo-yoga-c630.dts | 100 ++++++++++++++++++
 1 file changed, 100 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
index f956dbf664c1..bdd5d92ee6c3 100644
--- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
+++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
@@ -44,6 +44,26 @@ mode {
 			linux,code = <SW_TABLET_MODE>;
 		};
 	};
+
+	panel {
+		compatible = "boe,nv133fhm-n61";
+		no-hpd;
+
+		ports {
+			port {
+				panel_in_edp: endpoint {
+					remote-endpoint = <&sn65dsi86_out>;
+				};
+			};
+		};
+	};
+
+	sn65dsi86_refclk: sn65dsi86-refclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+
+		clock-frequency = <19200000>;
+	};
 };
 
 &adsp_pas {
@@ -260,6 +280,25 @@ &cdsp_pas {
 	status = "okay";
 };
 
+&dsi0 {
+	status = "okay";
+	vdda-supply = <&vreg_l26a_1p2>;
+
+	ports {
+		port@1 {
+			endpoint {
+				remote-endpoint = <&sn65dsi86_in_a>;
+				data-lanes = <0 1 2 3>;
+			};
+		};
+	};
+};
+
+&dsi0_phy {
+	status = "okay";
+	vdds-supply = <&vreg_l1a_0p875>;
+};
+
 &gcc {
 	protected-clocks = <GCC_QSPI_CORE_CLK>,
 			   <GCC_QSPI_CORE_CLK_SRC>,
@@ -328,6 +367,45 @@ tsc1: hid@10 {
 	};
 };
 
+&i2c10 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	sn65dsi86: bridge@2c {
+		compatible = "ti,sn65dsi86";
+		reg = <0x2c>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&sn65dsi86_pin_active>;
+
+		enable-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
+
+		vpll-supply = <&vreg_l14a_1p88>;
+		vccio-supply = <&vreg_l14a_1p88>;
+
+		clocks = <&sn65dsi86_refclk>;
+		clock-names = "refclk";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				sn65dsi86_in_a: endpoint {
+					remote-endpoint = <&dsi0_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				sn65dsi86_out: endpoint {
+					remote-endpoint = <&panel_in_edp>;
+				};
+			};
+		};
+	};
+};
+
 &i2c11 {
 	status = "okay";
 	clock-frequency = <400000>;
@@ -344,10 +422,26 @@ ecsh: hid@5c {
 	};
 };
 
+&mdss {
+	status = "okay";
+};
+
+&mdss_mdp {
+	status = "okay";
+};
+
 &mss_pil {
 	firmware-name = "qcom/LENOVO/81JL/qcdsp1v2850.mbn", "qcom/LENOVO/81JL/qcdsp2850.mbn";
 };
 
+&qup_i2c10_default {
+	pinconf {
+		pins = "gpio55", "gpio56";
+		drive-strength = <2>;
+		bias-disable;
+	};
+};
+
 &qup_i2c12_default {
 	drive-strength = <2>;
 	bias-disable;
@@ -454,6 +548,12 @@ codec {
 &tlmm {
 	gpio-reserved-ranges = <0 4>, <81 4>;
 
+	sn65dsi86_pin_active: sn65dsi86-enable {
+		pins = "gpio96";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	i2c3_hid_active: i2c2-hid-active {
 		pins = "gpio37";
 		function = "gpio";
-- 
2.29.2