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arm64: dts: qcom: msm8998-fxtec-pro1: Add tlmm keyboard keys

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This device has a physical matrix keyboard, connected to a GPIO
expander, for which there's still no support yet.
Though, some of the keys are connected to the MSM8998 GPIOs and not
as a matrix, so these can be added.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210909123823.368199-4-angelogioacchino.delregno@somainline.org
This commit is contained in:
AngeloGioacchino Del Regno 2021-09-09 14:38:23 +02:00 committed by Bjorn Andersson
parent f66ea51f0e
commit cea8351135
1 changed files with 64 additions and 0 deletions
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64
arch/arm64/boot/dts/qcom/msm8998-fxtec-pro1.dts
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@ -43,6 +43,62 @@
};
};
gpio-kb-extra-keys {
compatible = "gpio-keys";
input-name = "extra-kb-keys";
label = "Keyboard extra keys";
pinctrl-names = "default";
pinctrl-0 = <&gpio_kb_pins_extra>;
home {
label = "Home";
gpios = <&tlmm 21 GPIO_ACTIVE_LOW>;
linux,code = <KEY_HOMEPAGE>;
debounce-interval = <15>;
linux,can-disable;
};
super-l {
label = "Super Left";
gpios = <&tlmm 32 GPIO_ACTIVE_LOW>;
linux,code = <KEY_FN>;
debounce-interval = <15>;
linux,can-disable;
};
super-r {
label = "Super Right";
gpios = <&tlmm 33 GPIO_ACTIVE_LOW>;
linux,code = <KEY_FN>;
debounce-interval = <15>;
linux,can-disable;
};
shift {
label = "Shift";
gpios = <&tlmm 114 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RIGHTSHIFT>;
debounce-interval = <15>;
linux,can-disable;
};
ctrl {
label = "Ctrl";
gpios = <&tlmm 128 GPIO_ACTIVE_LOW>;
linux,code = <KEY_LEFTCTRL>;
debounce-interval = <15>;
linux,can-disable;
};
alt {
label = "Alt";
gpios = <&tlmm 129 GPIO_ACTIVE_LOW>;
linux,code = <KEY_LEFTALT>;
debounce-interval = <15>;
linux,can-disable;
};
};
gpio-keys {
compatible = "gpio-keys";
input-name = "side-buttons";
@ -205,6 +261,14 @@
drive-strength = <2>;
};
gpio_kb_pins_extra: gpio-kb-pins-extra {
pins = "gpio21", "gpio32", "gpio33", "gpio114",
"gpio128", "gpio129";
function = "gpio";
drive-strength = <2>;
bias-pull-up;
};
ts_vio_default: ts-vio-def {
pins = "gpio81";
function = "gpio";