linux-kernel - [PATCH] ARM: dts: imx6: Add stdout-path to Wandboard

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Message-ID: <20180814204758.3049-1-tuomas@tuxera.com>
Date:   Tue, 14 Aug 2018 23:47:58 +0300
From:   Tuomas Tynkkynen <tuomas@...era.com>
To:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>
CC:     Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        NXP Linux Team <linux-imx@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Tuomas Tynkkynen <tuomas@...era.com>
Subject: [PATCH] ARM: dts: imx6: Add stdout-path to Wandboard

Setting a stdout-path in the .dtb is convenient because then the user
gets a serial console on the RS-232 connector without any extra effort
of figuring out the relevant 'console=' boot parameter.

Signed-off-by: Tuomas Tynkkynen <tuomas@...era.com>
---
Tested on a Wandboard Quad with mainline U-Boot 2018.05.
---
 arch/arm/boot/dts/imx6qdl-wandboard.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
index e1afa54404d0..0ef34c31f7c6 100644
--- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
@@ -8,6 +8,10 @@
 #include <dt-bindings/gpio/gpio.h>
 
 / {
+	chosen {
+		stdout-path = &uart1;
+	};
+
 	regulators {
 		compatible = "simple-bus";
 		#address-cells = <1>;
-- 
2.16.3