From: Paul Sajna <sajattack@postmarketos.org>
Date: Wed, 1 Apr 2026 03:15:15 +0000 (-0700)
Subject: arm64: dts: qcom: sdm845-lg-judyln: Add display panel
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c6c66aa3ef33dc3076c6dac64003b29bd9515b58;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: qcom: sdm845-lg-judyln: Add display panel

Also include other supporting msm drm nodes, gpio and backlight

Co-developed-by: Amir Dahan <system64fumo@tuta.io>
Signed-off-by: Amir Dahan <system64fumo@tuta.io>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Paul Sajna <sajattack@postmarketos.org>
Link: https://lore.kernel.org/r/20260331-judyln-dts-v7-10-87217b15fefb@postmarketos.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
index 51cd930488a9..552d9719bede 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi
@@ -450,10 +450,6 @@
 	status = "okay";
 };
 
-&dispcc {
-	status = "disabled";
-};
-
 &gcc {
 	protected-clocks = <GCC_QSPI_CORE_CLK>,
 			   <GCC_QSPI_CORE_CLK_SRC>,
@@ -525,6 +521,15 @@
 	};
 };
 
+&pmi8998_wled {
+	qcom,current-limit-microamp = <20000>;
+	qcom,ovp-millivolt = <29600>;
+	qcom,switching-freq = <800>;
+	qcom,num-strings = <3>;
+	qcom,cabc;
+	status = "okay";
+};
+
 &qupv3_id_0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
index 2c024b32c00c..7948fe3dbaa2 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-lg-judyln.dts
@@ -21,8 +21,6 @@
 			height = <3120>;
 			stride = <(1440 * 4)>;
 			format = "a8r8g8b8";
-			lab-supply = <&lab>;
-			ibb-supply = <&ibb>;
 		};
 	};
 
@@ -71,6 +69,51 @@
 	firmware-name = "qcom/sdm845/LG/judyln/ipa_fws.mbn";
 };
 
+&mdss {
+	status = "okay";
+};
+
+&mdss_dsi0 {
+	vdda-supply = <&vdda_mipi_dsi0_1p2>;
+
+	status = "okay";
+
+	display_panel: panel@0 {
+		reg = <0>;
+		compatible = "lg,sw49410-lh609qh1", "lg,sw49410";
+
+		backlight = <&pmi8998_wled>;
+		reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
+		width-mm = <65>;
+		height-mm = <140>;
+
+		vsp-supply = <&lab>;
+		vsn-supply = <&ibb>;
+
+		pinctrl-0 = <&sde_dsi_active &sde_te_active_sleep>;
+		pinctrl-1 = <&sde_dsi_sleep &sde_te_active_sleep>;
+		pinctrl-names = "default", "sleep";
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&mdss_dsi0_out>;
+			};
+		};
+	};
+};
+
+&mdss_dsi0_phy {
+	vdds-supply = <&vdda_mipi_dsi0_pll>;
+
+	status = "okay";
+};
+
+&mdss_dsi0_out {
+	data-lanes = <0 1 2 3>;
+	remote-endpoint = <&panel_in>;
+	qcom,te-source = "mdp_vsync_e";
+};
+
 &ibb {
 	regulator-min-microvolt = <5500000>;
 	regulator-max-microvolt = <5500000>;
@@ -106,6 +149,27 @@
 		drive-strength = <2>;
 		bias-pull-up;
 	};
+
+	sde_dsi_active: sde-dsi-active-state {
+		pins = "gpio6";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-disable;
+	};
+
+	sde_dsi_sleep: sde-dsi-sleep-state {
+		pins = "gpio6";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
+	sde_te_active_sleep: sde-te-active-sleep-state {
+		pins = "gpio10";
+		function = "mdp_vsync";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
 };
 
 &venus {