linux-kernel - [PATCH RFC 6/6] arm64: dts: qcom: milos-fairphone-fp6: Enable panel

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Message-Id: <20251219-milos-mdss-v1-6-4537a916bdf9@fairphone.com>
Date: Fri, 19 Dec 2025 17:41:12 +0100
From: Luca Weiss <luca.weiss@...rphone.com>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Rob Clark <robin.clark@....qualcomm.com>, 
 Dmitry Baryshkov <lumag@...nel.org>, 
 Abhinav Kumar <abhinav.kumar@...ux.dev>, 
 Jessica Zhang <jessica.zhang@....qualcomm.com>, Sean Paul <sean@...rly.run>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org, 
 devicetree@...r.kernel.org, Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH RFC 6/6] arm64: dts: qcom: milos-fairphone-fp6: Enable
 panel

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts | 71 ++++++++++++++++++++++--
 1 file changed, 66 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts b/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts
index 92b40ab56c26..8cddab412581 100644
--- a/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts
+++ b/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts
@@ -612,11 +612,6 @@ eeprom@51 {
 	};
 };
 
-&dispcc {
-	/* Disable for now so simple-framebuffer continues working */
-	status = "disabled";
-};
-
 &gcc {
 	protected-clocks = <GCC_PCIE_1_AUX_CLK>, <GCC_PCIE_1_AUX_CLK_SRC>,
 			   <GCC_PCIE_1_CFG_AHB_CLK>, <GCC_PCIE_1_MSTR_AXI_CLK>,
@@ -725,6 +720,51 @@ &ipa {
 	status = "okay";
 };
 
+&mdss {
+	status = "okay";
+};
+
+&mdss_dsi0 {
+	vdda-supply = <&vreg_l4b>;
+
+	status = "okay";
+
+	panel@0 {
+		compatible = "boe,bj631jhm-t71-d900";
+		reg = <0>;
+
+		reset-gpios = <&tlmm 12 GPIO_ACTIVE_LOW>;
+
+		vci-supply = <&vreg_l19b>;
+		vddio-supply = <&vreg_l9b>;
+		dvdd-supply = <&vreg_oled_dvdd_1p2>;
+		// avdd-supply = <&pmiv0104_oledb> (VREG_OLEDB): 5V-8V
+		// elvss-supply = <&pmiv0104_elvss> (VREG_ELVSS): -8V-0V
+		// elvdd-supply = <&pmiv0104_elvdd> (VREG_ELVDD - OLEDB): 0-8V
+
+		pinctrl-0 = <&disp_reset_n_active>, <&mdp_vsync>;
+		pinctrl-1 = <&disp_reset_n_suspend>, <&mdp_vsync>;
+		pinctrl-names = "default", "sleep";
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&mdss_dsi0_out>;
+			};
+		};
+	};
+};
+
+&mdss_dsi0_out {
+	data-lanes = <0 1 2 3>;
+	remote-endpoint = <&panel_in>;
+};
+
+&mdss_dsi0_phy {
+	vdds-supply = <&vreg_l2b>;
+
+	status = "okay";
+};
+
 &pm8550vs_c {
 	status = "okay";
 };
@@ -883,6 +923,20 @@ &tlmm {
 			       <13 1>, /* NC */
 			       <63 2>; /* WLAN UART */
 
+	disp_reset_n_active: disp-reset-n-active-state {
+		pins = "gpio12";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-disable;
+	};
+
+	disp_reset_n_suspend: disp-reset-n-suspend-state {
+		pins = "gpio12";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
 	ts_active: ts-irq-active-state {
 		pins = "gpio19";
 		function = "gpio";
@@ -910,6 +964,13 @@ pm8008_int_default: pm8008-int-default-state {
 		drive-strength = <2>;
 		bias-disable;
 	};
+
+	mdp_vsync: mdp-vsync-state {
+		pins = "gpio129";
+		function = "mdp_vsync";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
 };
 
 &uart5 {

-- 
2.52.0