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Date: Fri, 11 Aug 2023 22:11:18 +0200
From: Stefan Nagy <stefan.nagy@...psilon.net>
To: Heiko Stuebner <heiko@...ech.de>
Cc: linux-rockchip@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: rockchip: Enable internal SPI flash for ROCK Pi 4A/B/C
The ROCK Pi 4A, ROCK Pi 4B and ROCK Pi 4C boards contain a nor-flash chip
connected to spi1. Enable spi1 and add the device node.
This patch has been tested on ROCK Pi 4A.
Signed-off-by: Stefan Nagy <stefan.nagy@...psilon.net>
---
arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts | 10 ++++++++++
arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts | 10 ++++++++++
arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts | 10 ++++++++++
3 files changed, 30 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts
index 89f2af5e1..4ea4bec95 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts
@@ -11,3 +11,13 @@ / {
model = "Radxa ROCK Pi 4A";
compatible = "radxa,rockpi4a", "radxa,rockpi4", "rockchip,rk3399";
};
+
+&spi1 {
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ };
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts
index 080654592..84b9d8b3d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts
@@ -30,6 +30,16 @@ brcmf: wifi@1 {
};
};
+&spi1 {
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ };
+};
+
&uart0 {
status = "okay";
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts
index 4053ba726..39917f987 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts
@@ -42,6 +42,16 @@ &sound {
hp-det-gpio = <&gpio1 RK_PA0 GPIO_ACTIVE_HIGH>;
};
+&spi1 {
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ };
+};
+
&uart0 {
status = "okay";
--
2.30.2
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