From 46683af1fb70d891d89cb9221b25b92f6b1d5193 Mon Sep 17 00:00:00 2001
From: Inochi Amaoto <inochiama@gmail.com>
Date: Thu, 3 Jul 2025 08:40:23 +0800
Subject: [PATCH] riscv: dts: sophgo: sophgo-srd3-10: reserve uart0 device

As the uart0 is already occupied by the firmware, reserve it
to avoid this port is used by mistake.

Tested-by: Han Gao <rabenda.cn@gmail.com>
Reviewed-by: Chen Wang <wangchen20@iscas.ac.cn>
Link: https://lore.kernel.org/r/20250703004024.85221-1-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
---
 arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts b/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts
index 1ca5fb707061d..fed3d9a384a00 100644
--- a/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts
@@ -109,6 +109,11 @@
 	status = "okay";
 };
 
+&uart0 {
+	/* for firmware */
+	status = "reserved";
+};
+
 &uart1 {
 	status = "okay";
 };
-- 
2.47.2