linux-kernel - [PATCH 2/3] arm64: dts: rockchip: Add DMA controller for RK3528

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Message-Id: <20250318100010.2253408-3-amadeus@jmu.edu.cn>
Date: Tue, 18 Mar 2025 18:00:09 +0800
From: Chukun Pan <amadeus@....edu.cn>
To: Yao Zi <ziyao@...root.org>
Cc: Rob Herring <robh@...nel.org>,
	Jonas Karlman <jonas@...boo.se>,
	Heiko Stuebner <heiko@...ech.de>,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	Chukun Pan <amadeus@....edu.cn>
Subject: [PATCH 2/3] arm64: dts: rockchip: Add DMA controller for RK3528

Add DMA controller dt node for RK3528 SoC.

Signed-off-by: Chukun Pan <amadeus@....edu.cn>
---
 arch/arm64/boot/dts/rockchip/rk3528.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3528.dtsi b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
index 7f1ffd6003f5..ad77e0ef70f2 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
@@ -493,6 +493,24 @@ sdhci: mmc@...f0000 {
 			status = "disabled";
 		};
 
+		dmac: dma-controller@...60000 {
+			compatible = "arm,pl330", "arm,primecell";
+			reg = <0x0 0xffd60000 0x0 0x4000>;
+			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+			arm,pl330-periph-burst;
+			clocks = <&cru ACLK_DMAC>;
+			clock-names = "apb_pclk";
+			#dma-cells = <1>;
+		};
+
 		pinctrl: pinctrl {
 			compatible = "rockchip,rk3528-pinctrl";
 			rockchip,grf = <&ioc_grf>;
-- 
2.25.1