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target_linux_rockchip-6.x/patches-6.12/070-17-v6.17-arm64-dts-rockchip-Add-spi-nodes-for-RK3528.patch
2026-01-16 04:36:33 +00:00

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From 2783335329e5762deb0dc5b6d634225d8613af16 Mon Sep 17 00:00:00 2001
From: Chukun Pan <amadeus@jmu.edu.cn>
Date: Tue, 20 May 2025 18:01:02 +0800
Subject: [PATCH] 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@jmu.edu.cn>
Link: https://lore.kernel.org/r/20250520100102.1226725-3-amadeus@jmu.edu.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3528.dtsi | 28 ++++++++++++++++++++++++
1 file changed, 28 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
@@ -455,6 +455,34 @@
reg = <0x0 0xff540000 0x0 0x40000>;
};
+ spi0: spi@ff9c0000 {
+ 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@ff9d0000 {
+ 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@ff9f0000 {
compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart";
reg = <0x0 0xff9f0000 0x0 0x100>;