linux-kernel - [PATCH 20/22] ARM: dts: imx6ull-colibri: Add general wakeup key used on Colibri

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Date:   Tue, 30 Jul 2019 16:46:47 +0200
From:   Philippe Schenker <dev@...henker.ch>
To:     marcel.ziswiler@...adex.com, max.krummenacher@...adex.com,
        stefan@...er.ch, devicetree@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Philippe Schenker <philippe.schenker@...adex.com>,
        Fabio Estevam <festevam@...il.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Sascha Hauer <s.hauer@...gutronix.de>
Subject: [PATCH 20/22] ARM: dts: imx6ull-colibri: Add general wakeup key used on Colibri

From: Philippe Schenker <philippe.schenker@...adex.com>

This adds the possibility to wake the module with an external signal
as defined in the Colibri standard

Signed-off-by: Philippe Schenker <philippe.schenker@...adex.com>
---

 arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
index 3bee37c75aa6..d3c4809f140e 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
@@ -8,6 +8,20 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_snvs_gpiokeys>;
+
+		power {
+			label = "Wake-Up";
+			gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_WAKEUP>;
+			debounce-interval = <10>;
+			wakeup-source;
+		};
+	};
+
 	/* fixed crystal dedicated to mcp2515 */
 	clk16m: clk16m {
 		compatible = "fixed-clock";
-- 
2.22.0