linux-kernel - [PATCH] arm64: dts: rockchip: add rk356x sfc support

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Date:   Tue, 12 Apr 2022 15:08:17 -0400
From:   Peter Geis <pgwipeout@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>
Cc:     linux-rockchip@...ts.infradead.org,
        Peter Geis <pgwipeout@...il.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: rockchip: add rk356x sfc support

Add the sfc node to the rk356x device tree.
The sfc node on rk356x can function as a boot device and supports four
lanes of receive data and one lane of transmit data for supported
SPI-NOR chips.

Signed-off-by: Peter Geis <pgwipeout@...il.com>
---
 arch/arm64/boot/dts/rockchip/rk356x.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index d5131f5aaf73..b52edcdbbe7d 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -812,6 +812,17 @@ sdmmc1: mmc@...c0000 {
 		status = "disabled";
 	};
 
+	sfc: spi@...00000 {
+		compatible = "rockchip,sfc";
+		reg = <0x0 0xfe300000 0x0 0x4000>;
+		interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>;
+		clock-names = "clk_sfc", "hclk_sfc";
+		pinctrl-0 = <&fspi_pins>;
+		pinctrl-names = "default";
+		status = "disabled";
+	};
+
 	sdhci: mmc@...10000 {
 		compatible = "rockchip,rk3568-dwcmshc";
 		reg = <0x0 0xfe310000 0x0 0x10000>;
-- 
2.25.1