linux-kernel - [PATCH] arm64: tegra: Enable NVDEC and NVENC on Tegra210

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Message-Id: <20250816-tegra210-media-enable-v1-1-bdb1c2554f0d@gmail.com>
Date: Sat, 16 Aug 2025 01:03:21 -0500
From: Aaron Kling via B4 Relay <devnull+webgeek1234.gmail.com@...nel.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>
Cc: devicetree@...r.kernel.org, linux-tegra@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Aaron Kling <webgeek1234@...il.com>
Subject: [PATCH] arm64: tegra: Enable NVDEC and NVENC on Tegra210

From: Aaron Kling <webgeek1234@...il.com>

The other engines are already enabled, finish filling out the media
engine nodes and power domains.

Signed-off-by: Aaron Kling <webgeek1234@...il.com>
---
 arch/arm64/boot/dts/nvidia/tegra210.dtsi | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
index 402b0ede1472af625d9d9e811f5af306d436cc98..80d7571d0350205b080bcf48b8b8e2c1b93227f2 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
@@ -277,13 +277,25 @@ dsib: dsi@...00000 {
 		nvdec@...80000 {
 			compatible = "nvidia,tegra210-nvdec";
 			reg = <0x0 0x54480000 0x0 0x00040000>;
-			status = "disabled";
+			clocks = <&tegra_car TEGRA210_CLK_NVDEC>;
+			clock-names = "nvdec";
+			resets = <&tegra_car 194>;
+			reset-names = "nvdec";
+
+			iommus = <&mc TEGRA_SWGROUP_NVDEC>;
+			power-domains = <&pd_nvdec>;
 		};
 
 		nvenc@...c0000 {
 			compatible = "nvidia,tegra210-nvenc";
 			reg = <0x0 0x544c0000 0x0 0x00040000>;
-			status = "disabled";
+			clocks = <&tegra_car TEGRA210_CLK_NVENC>;
+			clock-names = "nvenc";
+			resets = <&tegra_car 219>;
+			reset-names = "nvenc";
+
+			iommus = <&mc TEGRA_SWGROUP_NVENC>;
+			power-domains = <&pd_nvenc>;
 		};
 
 		tsec@...00000 {
@@ -894,6 +906,18 @@ pd_audio: aud {
 				#power-domain-cells = <0>;
 			};
 
+			pd_nvenc: mpe {
+				clocks = <&tegra_car TEGRA210_CLK_NVENC>;
+				resets = <&tegra_car 219>;
+				#power-domain-cells = <0>;
+			};
+
+			pd_nvdec: nvdec {
+				clocks = <&tegra_car TEGRA210_CLK_NVDEC>;
+				resets = <&tegra_car 194>;
+				#power-domain-cells = <0>;
+			};
+
 			pd_sor: sor {
 				clocks = <&tegra_car TEGRA210_CLK_SOR0>,
 					 <&tegra_car TEGRA210_CLK_SOR1>,

---
base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585
change-id: 20250814-tegra210-media-enable-576bb6a34b5c

Best regards,
-- 
Aaron Kling <webgeek1234@...il.com>