From: Thierry Reding <treding@xxxxxxxxxx>
Expose power, force-recovery and sleep buttons via a gpio-keys device so
that userspace can receive events from them.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
.../nvidia/tegra234-p3737-0000+p3701-0000.dts | 31 +++++++++++++++++++
arch/arm64/boot/dts/nvidia/tegra234.dtsi | 1 +
2 files changed, 32 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
index e3bb874869df..699eaa66824d 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.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 "tegra234-p3701-0000.dtsi"
#include "tegra234-p3737-0000.dtsi"
@@ -18,6 +21,34 @@ chosen {
stdout-path = "serial0:115200n8";
};
+ gpio-keys {
+ compatible = "gpio-keys";
+ status = "okay";
+
+ force-recovery {
+ label = "Force Recovery";
+ gpios = <&gpio TEGRA234_MAIN_GPIO(G, 0) GPIO_ACTIVE_LOW>;
+ linux,input-type = <EV_KEY>;
+ linux,code = <BTN_1>;
+ };
+
+ power-key {
+ label = "Power";
+ gpios = <&gpio_aon TEGRA234_AON_GPIO(EE, 4) GPIO_ACTIVE_LOW>;
+ linux,input-type = <EV_KEY>;
+ linux,code = <KEY_POWER>;
+ wakeup-event-action = <EV_ACT_ASSERTED>;
+ wakeup-source;
+ };
+
+ suspend {
+ label = "Suspend";
+ gpios = <&gpio TEGRA234_MAIN_GPIO(G, 2) GPIO_ACTIVE_LOW>;
+ linux,input-type = <EV_KEY>;
+ linux,code = <KEY_SLEEP>;
+ };
+ };
+
tcu {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index f715671f0333..f8061b452046 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/clock/tegra234-clock.h>
+#include <dt-bindings/gpio/tegra234-gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/mailbox/tegra186-hsp.h>
#include <dt-bindings/reset/tegra234-reset.h>
--
2.34.1
