linux-kernel - [PATCH 2/2] arm64: dts: rockchip: Add spi nodes for RK3528

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Message-Id: <20250520100102.1226725-3-amadeus@jmu.edu.cn>
Date: Tue, 20 May 2025 18:01:02 +0800
From: Chukun Pan <amadeus@....edu.cn>
To: Heiko Stuebner <heiko@...ech.de>
Cc: Yao Zi <ziyao@...root.org>,
	Rob Herring <robh@...nel.org>,
	Mark Brown <broonie@...nel.org>,
	Jonas Karlman <jonas@...boo.se>,
	Chukun Pan <amadeus@....edu.cn>,
	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,
	linux-spi@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: rockchip: Add spi nodes for RK3528

There are 2 SPI controllers on the RK3528 SoC, describe it.

Signed-off-by: Chukun Pan <amadeus@....edu.cn>
---
 arch/arm64/boot/dts/rockchip/rk3528.dtsi | 28 ++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3528.dtsi b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
index b2724c969a76..4d60c09219f9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
@@ -371,6 +371,34 @@ ioc_grf: syscon@...40000 {
 			reg = <0x0 0xff540000 0x0 0x40000>;
 		};
 
+		spi0: spi@...c0000 {
+			compatible = "rockchip,rk3528-spi",
+				     "rockchip,rk3066-spi";
+			reg = <0x0 0xff9c0000 0x0 0x1000>;
+			clocks = <&cru CLK_SPI0>, <&cru PCLK_SPI0>;
+			clock-names = "spiclk", "apb_pclk";
+			interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
+			dmas = <&dmac 25>, <&dmac 24>;
+			dma-names = "tx", "rx";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		spi1: spi@...d0000 {
+			compatible = "rockchip,rk3528-spi",
+				     "rockchip,rk3066-spi";
+			reg = <0x0 0xff9d0000 0x0 0x1000>;
+			clocks = <&cru CLK_SPI1>, <&cru PCLK_SPI1>;
+			clock-names = "spiclk", "apb_pclk";
+			interrupts = <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>;
+			dmas = <&dmac 31>, <&dmac 30>;
+			dma-names = "tx", "rx";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		uart0: serial@...f0000 {
 			compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart";
 			reg = <0x0 0xff9f0000 0x0 0x100>;
-- 
2.25.1