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arm64: tegra: Enable gpio-keys on Jetson AGX Orin Developer Kit

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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@nvidia.com>
This commit is contained in:
Thierry Reding
2021-11-08 13:22:00 +01:00
parent 835553b3c6
commit 699349e09b
2 changed files with 32 additions and 0 deletions
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31
arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
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@@ -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>;
};
};
serial {
status = "okay";
};

1
arch/arm64/boot/dts/nvidia/tegra234.dtsi
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@@ -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/memory/tegra234-mc.h>