From 3133e46ddaf85174e99ea8a594bb3b05e475ac48 Mon Sep 17 00:00:00 2001
From: Lin Jianhua <linjh@rock-chips.com>
Date: Thu, 28 Mar 2024 09:08:55 +0800
Subject: [PATCH] arm64: dts: rockchip: rk3576-industry-evb: uart1 support
 rs485 mode

Change-Id: Iba37469557ebaa7bdd3105ae203eb49914998892
Signed-off-by: Lin Jianhua <linjh@rock-chips.com>
---
 arch/arm64/boot/dts/rockchip/rk3576-industry-evb.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-industry-evb.dtsi b/arch/arm64/boot/dts/rockchip/rk3576-industry-evb.dtsi
index faf958249f01..a45a91fabea2 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-industry-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3576-industry-evb.dtsi
@@ -221,6 +221,7 @@
 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart1m0_xfer &uart1m0_rtsn>;
+	linux,rs485-enabled-at-boot-time;
 	status = "okay";
 };