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>
Link: https://lore.kernel.org/r/20250413-tegra-cec-v4-4-b6337b66ccad@gmail.com
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
index a50fd205daa868d58baa6af085d6409560c5c740..8b3736cee323b1f10cdb8916c40cccf7d66f6818 100644 (file)
--- 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 4ab66ebd874d05407373f98d7f76ce4b338ed089..5f3f572ecea97e38f2d641ca9d44890b06295a06 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra186-p3509-0000+p3636-0001.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p3509-0000+p3636-0001.dts
@@ -714,6 +714,12 @@
                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 c32876699a43e9f57b3888c5bc0f5da73c5b95b5..ea6f397a27926e3dcd54002177f68749bc1cc309 100644 (file)
--- 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 4a17ea5e40fd034c6f4acb023cd7908d6800f710..16cf4414de599baea96362b494be40c800a8197f 100644 (file)
--- 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 a6a58e51822d90f8815df880ea7e668caff1b1ec..627abf51a5a472ddcc42fdc1d783876b0a03da47 100644 (file)
--- 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 0ecdd7243b2eb1abba9adbe9a404b226c29b85ef..ec0e84cb83ef9bf8f0e52e2958db33666813917c 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
@@ -419,6 +419,12 @@
                nvidia,sys-clock-req-active-high;
        };
 
+       cec@70015000 {
+               status = "okay";
+
+               hdmi-phandle = <&sor1>;
+       };
+
        hda@70030000 {
                nvidia,model = "NVIDIA Jetson Nano HDA";