From 20440c7f9015a140e090c625d98b7fb086e7b63c Mon Sep 17 00:00:00 2001 From: Aaron Kling Date: Sun, 13 Apr 2025 14:35:35 -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 Link: https://lore.kernel.org/r/20250413-tegra-cec-v4-4-b6337b66ccad@gmail.com Signed-off-by: Thierry Reding --- 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 a50fd205daa8..8b3736cee323 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 4ab66ebd874d..5f3f572ecea9 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 @@ -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 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 0ecdd7243b2e..ec0e84cb83ef 100644 --- 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"; -- 2.50.1