linux-kernel - [PATCH 5/7] arm64: dts: rockchip: Add uart0 pinctrl to Radxa E20C

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Message-ID: <20250228064024.3200000-6-jonas@kwiboo.se>
Date: Fri, 28 Feb 2025 06:40:11 +0000
From: Jonas Karlman <jonas@...boo.se>
To: Heiko Stuebner <heiko@...ech.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Linus Walleij <linus.walleij@...aro.org>,
	Yao Zi <ziyao@...root.org>,
	linux-rockchip@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Jonas Karlman <jonas@...boo.se>
Subject: [PATCH 5/7] arm64: dts: rockchip: Add uart0 pinctrl to Radxa E20C

Radxa E20C route UART0 M0 pins (GPIO4_C7 and GPIO4_D0) to the onboard
CH340B for debug console use.

Add pinctrl for UART0 M0 pins used for serial console.

Signed-off-by: Jonas Karlman <jonas@...boo.se>
---
 arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
index dcc0b2584bbc..b9a66c6a1dfb 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
@@ -68,5 +68,7 @@ &saradc {
 };
 
 &uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0m0_xfer>;
 	status = "okay";
 };
-- 
2.48.1