From 7ee206935ec34194e127aff669ab53d01dc050eb Mon Sep 17 00:00:00 2001
From: Aaron Kling <webgeek1234@gmail.com>
Date: Mon, 7 Apr 2025 14:29:27 -0500
Subject: [PATCH] arm64: tegra: Wire up cec to devkits

This enables hdmi cec and routes it to the hdmi port on all supported
Tegra210, Tegra186, and Tegra194 devkits.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
---
 arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts          | 6 ++++++
 .../boot/dts/nvidia/tegra186-p3509-0000+p3636-0001.dts      | 6 ++++++
 arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts          | 6 ++++++
 arch/arm64/boot/dts/nvidia/tegra194-p3509-0000.dtsi         | 6 ++++++
 arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts          | 6 ++++++
 arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts          | 6 ++++++
 6 files changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
index 15aa49fc4503..90155e4ff1fe 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
@@ -2394,6 +2394,12 @@
 		phy-names = "usb2-0";
 	};
 
+	cec@3960000 {
+		status = "okay";
+
+		hdmi-phandle = <&sor1>;
+	};
+
 	i2c@c250000 {
 		/* carrier board ID EEPROM */
 		eeprom@57 {
diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3509-0000+p3636-0001.dts b/arch/arm64/boot/dts/nvidia/tegra186-p3509-0000+p3636-0001.dts
index 26f71651933d..a6d7fec2e84f 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p3509-0000+p3636-0001.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p3509-0000+p3636-0001.dts
@@ -712,6 +712,12 @@
 		phy-names = "usb2-0";
 	};
 
+	cec@3960000 {
+		status = "okay";
+
+		hdmi-phandle = <&sor1>;
+	};
+
 	hsp@3c00000 {
 		status = "okay";
 	};
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index c32876699a43..ea6f397a2792 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -2121,6 +2121,12 @@
 			phy-names = "usb2-0", "usb2-1", "usb2-3", "usb3-0", "usb3-2", "usb3-3";
 		};
 
+		cec@3960000 {
+			status = "okay";
+
+			hdmi-phandle = <&sor2>;
+		};
+
 		i2c@c240000 {
 			typec@8 {
 				compatible = "cypress,cypd4226";
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000.dtsi
index 4a17ea5e40fd..16cf4414de59 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000.dtsi
@@ -2174,6 +2174,12 @@
 			phy-names = "usb2-1", "usb2-2", "usb3-2";
 		};
 
+		cec@3960000 {
+			status = "okay";
+
+			hdmi-phandle = <&sor1>;
+		};
+
 		host1x@13e00000 {
 			display-hub@15200000 {
 				status = "okay";
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts
index a6a58e51822d..627abf51a5a4 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts
@@ -90,6 +90,12 @@
 		};
 	};
 
+	cec@70015000 {
+		status = "okay";
+
+		hdmi-phandle = <&sor1>;
+	};
+
 	clock@70110000 {
 		status = "okay";
 
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
index c56824d7f4d8..cca14369c8a4 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
@@ -429,6 +429,12 @@
 		nvidia,sys-clock-req-active-high;
 	};
 
+	cec@70015000 {
+		status = "okay";
+
+		hdmi-phandle = <&sor1>;
+	};
+
 	hda@70030000 {
 		nvidia,model = "NVIDIA Jetson Nano HDA";