42 lines
996 B
Devicetree
42 lines
996 B
Devicetree
/dts-v1/;
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/plugin/;
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/ {
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compatible = "allwinner,sun4i-a10", "allwinner,sun7i-a20", "allwinner,sun8i-h3", "allwinner,sun50i-a64", "allwinner,sun50i-h5";
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/*
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* This fragment is needed only for the internal pull-up activation,
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* external pull-up resistor is highly recommended if using long wires
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*/
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fragment@0 {
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target = <&pio>;
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__overlay__ {
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gpio_button_0: gpio_button_0 {
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pins = "PA7";
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function = "gpio_in";
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bias-pull-up;
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};
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};
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};
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fragment@1 {
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target-path = "/";
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__overlay__ {
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gpio-keys-user {
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/*
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* Use "gpio-keys" for EINT capable pins, "gpio-keys-polled" for other pins
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* add "poll-interval" property if using "gpio-keys-polled"
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*/
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compatible = "gpio-keys";
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pinctrl-names = "default";
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pinctrl-0 = <&gpio_button_0>;
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f1_button {
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label = "GPIO Key F1";
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linux,code = <59>; /* KEY_F1, see include/uapi/linux/input-event-codes.h */
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gpios = <&pio 0 7 1>; /* PA07 GPIO_ACTIVE_LOW */
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};
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};
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};
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};
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}; |