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arm64: tegra: Add gpio-keys on Jetson Xavier

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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>
This commit is contained in:
Thierry Reding 2018-11-28 18:19:57 +01:00
parent 4d286331bd
commit e47ac50885
1 changed files with 27 additions and 0 deletions
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27
arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
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@ -1,6 +1,9 @@
// SPDX-License-Identifier: GPL-2.0 // SPDX-License-Identifier: GPL-2.0
/dts-v1/; /dts-v1/;
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/input/gpio-keys.h>
#include "tegra194-p2888.dtsi" #include "tegra194-p2888.dtsi"
/ { / {
@ -54,6 +57,30 @@ fan: fan {
#cooling-cells = <2>; #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 { thermal-zones {
cpu { cpu {
polling-delay = <0>; polling-delay = <0>;