From: Abel Vesa <abel.vesa@linaro.org>
Date: Fri, 20 Mar 2026 11:16:44 +0000 (+0200)
Subject: arm64: dts: qcom: glymur-crd: Enable eDP display support
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=db08965820b4199b703a29aa019b021e9ef1dbf8;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: qcom: glymur-crd: Enable eDP display support

Enable the MDSS (Mobile Display SubSystem), the third DisplayPort
controller, and its PHY to drive the onboard eDP panel on the Glymur
CRD platform. Also describe the regulator supplying panel power.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260320-dts-qcom-glymur-crd-add-edp-v7-2-ca415560447e@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/glymur-crd.dts b/arch/arm64/boot/dts/qcom/glymur-crd.dts
index 4df8fc4ec254..09a532822787 100644
--- a/arch/arm64/boot/dts/qcom/glymur-crd.dts
+++ b/arch/arm64/boot/dts/qcom/glymur-crd.dts
@@ -74,6 +74,22 @@
 			};
 		};
 	};
+
+	vreg_edp_3p3: regulator-edp-3p3 {
+		compatible = "regulator-fixed";
+
+		regulator-name = "VREG_EDP_3P3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&tlmm 70 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-0 = <&edp_reg_en>;
+		pinctrl-names = "default";
+
+		regulator-boot-on;
+	};
 };
 
 &i2c5 {
@@ -106,6 +122,47 @@
 	};
 };
 
+&mdss {
+	status = "okay";
+};
+
+&mdss_dp3 {
+	/delete-property/ #sound-dai-cells;
+
+	status = "okay";
+
+	aux-bus {
+		panel {
+			compatible = "samsung,atna60cl08", "samsung,atna33xc20";
+			enable-gpios = <&tlmm 18 GPIO_ACTIVE_HIGH>;
+			power-supply = <&vreg_edp_3p3>;
+
+			pinctrl-0 = <&edp_bl_en>;
+			pinctrl-names = "default";
+
+			port {
+				edp_panel_in: endpoint {
+					remote-endpoint = <&mdss_dp3_out>;
+				};
+			};
+		};
+	};
+};
+
+&mdss_dp3_out {
+	data-lanes = <0 1 2 3>;
+	link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
+
+	remote-endpoint = <&edp_panel_in>;
+};
+
+&mdss_dp3_phy {
+	vdda-phy-supply = <&vreg_l2f_e1_0p83>;
+	vdda-pll-supply = <&vreg_l4f_e1_1p08>;
+
+	status = "okay";
+};
+
 &smb2370_j_e2_eusb2_repeater {
 	vdd18-supply = <&vreg_l15b_e0_1p8>;
 	vdd3-supply = <&vreg_l7b_e0_2p79>;
@@ -116,6 +173,22 @@
 	vdd3-supply = <&vreg_l7b_e0_2p79>;
 };
 
+&tlmm {
+	edp_bl_en: edp-bl-en-state {
+		pins = "gpio18";
+		function = "gpio";
+		drive-strength = <16>;
+		bias-disable;
+	};
+
+	edp_reg_en: edp-reg-en-state {
+		pins = "gpio70";
+		function = "gpio";
+		drive-strength = <16>;
+		bias-disable;
+	};
+};
+
 &usb_0 {
 	dr_mode = "host";