linux-kernel - [PATCH 1/3] arm64: dts: rockchip: Add SFC node for RK3528

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Message-ID: <20250727144409.327740-2-jonas@kwiboo.se>
Date: Sun, 27 Jul 2025 14:44:01 +0000
From: Jonas Karlman <jonas@...boo.se>
To: Heiko Stuebner <heiko@...ech.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Yao Zi <ziyao@...root.org>,
	Chukun Pan <amadeus@....edu.cn>,
	devicetree@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Jonas Karlman <jonas@...boo.se>
Subject: [PATCH 1/3] arm64: dts: rockchip: Add SFC node for RK3528

The Flexible Serial Flash Interface (FSPI) controller in Rockchip RK3528
is similar to the one included in e.g. RK3568 and RK3588.

Add device tree node for the Flexible Serial Flash Interface (FSPI)
controller in RK3528.

Signed-off-by: Jonas Karlman <jonas@...boo.se>
---
 arch/arm64/boot/dts/rockchip/rk3528.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3528.dtsi b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
index 3e51a3f51e05..49886a4b58f1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
@@ -1077,6 +1077,18 @@ sdhci: mmc@...f0000 {
 			status = "disabled";
 		};
 
+		sfc: spi@...00000 {
+			compatible = "rockchip,sfc";
+			reg = <0x0 0xffc00000 0x0 0x4000>;
+			interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>;
+			clock-names = "clk_sfc", "hclk_sfc";
+			power-domains = <&power RK3528_PD_VPU>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		sdio0: mmc@...10000 {
 			compatible = "rockchip,rk3528-dw-mshc",
 				     "rockchip,rk3288-dw-mshc";
-- 
2.50.1