diff mbox series

[4/4] arm64: tegra: Add gpio-keys on Jetson Xavier

Message ID 20181128171957.25924-4-thierry.reding@gmail.com
State Accepted
Headers show
Series [1/4] arm64: tegra: Enable PMC wake events on Tegra186 | expand

Commit Message

Thierry Reding Nov. 28, 2018, 5:19 p.m. UTC 
From: Thierry Reding <treding@nvidia.com>

The power and force recovery buttons found on Jetson Xavier are hooked
up to two Tegra GPIOs. The power button can also function as a wake-up
source.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 .../boot/dts/nvidia/tegra194-p2972-0000.dts   | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index 906e0548732a..8b0a438a8eae 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -1,6 +1,9 @@ 
 // SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/input/gpio-keys.h>
+
 #include "tegra194-p2888.dtsi"
 
 / {
@@ -53,6 +56,30 @@ 
 		#cooling-cells = <2>;
 	};
 
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		force-recovery {
+			label = "Force Recovery";
+			gpios = <&gpio TEGRA194_MAIN_GPIO(G, 0)
+				       GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <BTN_1>;
+			debounce-interval = <10>;
+		};
+
+		power {
+			label = "Power";
+			gpios = <&gpio_aon TEGRA194_AON_GPIO(EE, 4)
+					   GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_POWER>;
+			debounce-interval = <10>;
+			wakeup-event-action = <EV_ACT_ASSERTED>;
+			wakeup-source;
+		};
+	};
+
 	thermal-zones {
 		cpu {
 			polling-delay = <0>;