linux-kernel - [PATCH 4/4] arm64: dts: rockchip: Add the vdpu346 Video Decoders on RK356X

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Message-Id: <20251206082809.2040679-5-christianshewitt@gmail.com>
Date: Sat,  6 Dec 2025 08:28:09 +0000
From: Christian Hewitt <christianshewitt@...il.com>
To: Detlev Casanova <detlev.casanova@...labora.com>,
	Olivier Crête <olivier.crete@...labora.com>,
	Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Diederik de Haas <diederik@...ow-tech.com>,
	Dmitry Osipenko <dmitry.osipenko@...labora.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Dragan Simic <dsimic@...jaro.org>,
	Chukun Pan <amadeus@....edu.cn>,
	linux-media@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: Diederik de Haas <didi.debian@...ow.org>,
	Piotr Oniszczuk <piotr.oniszczuk@...il.com>
Subject: [PATCH 4/4] arm64: dts: rockchip: Add the vdpu346 Video Decoders on RK356X

Add the vdpu346 Video Decoders to the rk356x-base devicetree to
enable support on RK3566 and RK3568 boards. Also add the needed
sram and vdec_mmu nodes.

Suggested-by: Diederik de Haas <didi.debian@...ow.org>
Suggested-by: Piotr Oniszczuk <piotr.oniszczuk@...il.com>
Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
---
 arch/arm64/boot/dts/rockchip/rk356x-base.dtsi | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi
index c005135089d4..c51179e13657 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi
@@ -383,6 +383,19 @@ usb2phy1_grf: syscon@...a8000 {
 		reg = <0x0 0xfdca8000 0x0 0x8000>;
 	};
 
+	sram@...c0000 {
+		compatible = "mmio-sram";
+		reg = <0x0 0xfdcc0000 0x0 0xb000>;
+		ranges = <0x0 0x0 0xfdcc0000 0xb000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		vdec_sram: rkvdec-sram@0 {
+			reg = <0x0 0xb000>;
+			pool;
+		};
+	};
+
 	pmucru: clock-controller@...00000 {
 		compatible = "rockchip,rk3568-pmucru";
 		reg = <0x0 0xfdd00000 0x0 0x1000>;
@@ -619,6 +632,42 @@ vepu_mmu: iommu@...e0800 {
 		#iommu-cells = <0>;
 	};
 
+	vdec: video-codec@...80100 {
+		compatible = "rockchip,rk3568-vdec";
+		reg = <0x0 0xfdf80200 0x0 0x500>,
+		      <0x0 0xfdf80100 0x0 0x100>,
+		      <0x0 0xfdf80700 0x0 0x100>;
+		reg-names = "function", "link", "cache";
+		interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru ACLK_RKVDEC>, <&cru HCLK_RKVDEC>,
+			 <&cru CLK_RKVDEC_CA>, <&cru CLK_RKVDEC_CORE>,
+			 <&cru CLK_RKVDEC_HEVC_CA>;
+		clock-names = "axi", "ahb", "cabac", "core", "hevc_cabac";
+		assigned-clocks = <&cru ACLK_RKVDEC>,
+				  <&cru CLK_RKVDEC_CORE>,
+				  <&cru CLK_RKVDEC_CA>,
+				  <&cru CLK_RKVDEC_HEVC_CA>;
+		assigned-clock-rates = <297000000>, <297000000>,
+				       <297000000>, <600000000>;
+		iommus = <&vdec_mmu>;
+		power-domains = <&power RK3568_PD_RKVDEC>;
+		resets = <&cru SRST_A_RKVDEC>, <&cru SRST_H_RKVDEC>,
+			 <&cru SRST_RKVDEC_CA>, <&cru SRST_RKVDEC_CORE>,
+			 <&cru SRST_RKVDEC_HEVC_CA>;
+		reset-names = "axi", "ahb", "cabac", "core", "hevc_cabac";
+		sram = <&vdec_sram>;
+	};
+
+	vdec_mmu: iommu@...80800 {
+		compatible = "rockchip,rk3568-iommu";
+		reg = <0x0 0xfdf80800 0x0 0x40>, <0x0 0xfdf80840 0x0 0x40>;
+		interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru ACLK_RKVDEC>, <&cru HCLK_RKVDEC>;
+		clock-names = "aclk", "iface";
+		power-domains = <&power RK3568_PD_RKVDEC>;
+		#iommu-cells = <0>;
+	};
+
 	sdmmc2: mmc@...00000 {
 		compatible = "rockchip,rk3568-dw-mshc", "rockchip,rk3288-dw-mshc";
 		reg = <0x0 0xfe000000 0x0 0x4000>;
-- 
2.34.1