openwrt/target/linux/rockchip/patches-6.6/052-15-v6.11-arm64-dts-rockchip-add-SFC-support-for-Radxa-ROCK-5B.patch

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From 9204a7ecca96403ee3d61c14cb9eb87ec89b0fcd Mon Sep 17 00:00:00 2001
From: FUKAUMI Naoki <naoki@radxa.com>
Date: Sun, 23 Jun 2024 11:33:27 +0900
Subject: [PATCH] arm64: dts: rockchip: add SFC support for Radxa ROCK 5B
This commit adds support for SPI NOR flash on Radxa ROCK 5B.
SPI NOR flash chip may vary, so use safe(lowest) spi-max-frequency.
Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Link: https://lore.kernel.org/r/20240623023329.1044-1-naoki@radxa.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -442,6 +442,20 @@
status = "okay";
};
+&sfc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&fspim2_pins>;
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <104000000>;
+ spi-rx-bus-width = <4>;
+ spi-tx-bus-width = <1>;
+ };
+};
+
&uart6 {
pinctrl-names = "default";
pinctrl-0 = <&uart6m1_xfer &uart6m1_ctsn &uart6m1_rtsn>;