linux-kernel - [PATCH 2/6] arm64: dts: ti: k3-am68-phycore-som: Add DSI->LVDS bridge

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Message-ID: <20260130205820.83189-3-d.haller@phytec.de>
Date: Fri, 30 Jan 2026 12:58:12 -0800
From: Dominik Haller <d.haller@...tec.de>
To: <adrien.grassein@...il.com>, <jernej.skrabec@...il.com>, <onas@...boo.se>,
	<Laurent.pinchart@...asonboard.com>, <krzk+dt@...nel.org>,
	<conor+dt@...nel.org>, <robh@...nel.org>, Nishanth Menon <nm@...com>,
	"Vignesh Raghavendra" <vigneshr@...com>, Tero Kristo <kristo@...nel.org>
CC: <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <upstream@...ts.phytec.de>, "Dominik
 Haller" <d.haller@...tec.de>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/6] arm64: dts: ti: k3-am68-phycore-som: Add DSI->LVDS bridge

Add the TI SN65DSI83 MIPI-DSI->LVDS bridge that can be populated on the
phyCORE-AM68x/TDA4x.

Signed-off-by: Dominik Haller <d.haller@...tec.de>
---
 arch/arm64/boot/dts/ti/k3-am68-phycore-som.dtsi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am68-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am68-phycore-som.dtsi
index 0ff511028f81..ab87767419fe 100644
--- a/arch/arm64/boot/dts/ti/k3-am68-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am68-phycore-som.dtsi
@@ -151,6 +151,12 @@ J721S2_WKUP_IOPAD(0x09c, PIN_INPUT_PULLUP, 0) /* (H27) WKUP_I2C0_SDA */
 		>;
 		bootph-all;
 	};
+
+	wkup_sn65dsi83_pins_default: wkup-sn65dsi83-default-pins {
+		pinctrl-single,pins = <
+			J721S2_WKUP_IOPAD(0x084, PIN_OUTPUT, 7) /* (F25) WKUP_GPIO0_11 */
+		>;
+	};
 };
 
 &main_cpsw {
@@ -183,6 +189,17 @@ &main_i2c0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_i2c0_pins_default>;
 
+	sn65dsi83: bridge@2d {
+		compatible = "ti,sn65dsi83";
+		reg = <0x2d>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&wkup_sn65dsi83_pins_default>;
+		enable-gpios = <&wkup_gpio0 11 GPIO_ACTIVE_LOW>;
+		vcc-supply = <&bucka4>;
+		/* enabled in panel overlay */
+		status = "disabled";
+	};
+
 	temperature-sensor@48 {
 		compatible = "ti,tmp102";
 		reg = <0x48>;
-- 
2.43.0