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arm64: tegra: Add GPIO keys on P2771 

The P2771 has three keys (power, volume up and volume down) that are
connected to pins on the AON GPIO controller.

Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2017-02-23 18:30:51 +01:00
parent b64994d18f
commit 59686a9278
1 changed files with 34 additions and 0 deletions
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34
arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
View File

@ -1,5 +1,7 @@
/dts-v1/;
#include <dt-bindings/input/linux-event-codes.h>
#include "tegra186-p3310.dtsi"
/ {
@ -13,6 +15,38 @@
vmmc-supply = <&vdd_sd>;
};
gpio-keys {
compatible = "gpio-keys";
power {
label = "Power";
gpios = <&gpio_aon TEGRA_AON_GPIO(FF, 0)
GPIO_ACTIVE_LOW>;
linux,input-type = <EV_KEY>;
linux,code = <KEY_POWER>;
debounce-interval = <10>;
wakeup-source;
};
volume-up {
label = "Volume Up";
gpios = <&gpio_aon TEGRA_AON_GPIO(FF, 1)
GPIO_ACTIVE_LOW>;
linux,input-type = <EV_KEY>;
linux,code = <KEY_VOLUMEUP>;
debounce-interval = <10>;
};
volume-down {
label = "Volume Down";
gpios = <&gpio_aon TEGRA_AON_GPIO(FF, 2)
GPIO_ACTIVE_LOW>;
linux,input-type = <EV_KEY>;
linux,code = <KEY_VOLUMEDOWN>;
debounce-interval = <10>;
};
};
regulators {
vdd_sd: regulator@100 {
compatible = "regulator-fixed";