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usr / src / sys / contrib / device-tree / Bindings / input /

📁 ..
📄 adc-keys.txt(1.19 KB)
📄 allwinner,sun4i-a10-lradc-keys.yaml(2 KB)
📄 atmel,captouch.txt(1 KB)
📄 atmel,maxtouch.txt(1.22 KB)
📄 brcm,bcm-keypad.txt(3.46 KB)
📄 cap11xx.txt(1.9 KB)
📄 clps711x-keypad.txt(723 B)
📄 cpcap-pwrbutton.txt(506 B)
📄 cros-ec-keyb.txt(2.64 KB)
📄 cypress,cyapa.txt(1.09 KB)
📄 cypress,tm2-touchkey.txt(1011 B)
📄 da9062-onkey.txt(1.12 KB)
📄 dlink,dir685-touchkeys.txt(597 B)
📄 e3x0-button.txt(819 B)
📄 elan_i2c.txt(1.33 KB)
📄 fsl,mpr121-touchkey.yaml(2.08 KB)
📄 fsl-mma8450.txt(213 B)
📄 gpio-beeper.txt(313 B)
📄 gpio-decoder.txt(651 B)
📄 gpio-keys.yaml(3.68 KB)
📄 gpio-matrix-keypad.txt(1.66 KB)
📄 gpio-mouse.txt(1.13 KB)
📄 gpio-vibrator.yaml(769 B)
📄 hid-over-i2c.txt(1.44 KB)
📄 ilitek,ili2xxx.txt(687 B)
📄 imx-keypad.txt(1.62 KB)
📄 imx-keypad.yaml(2.39 KB)
📄 input-reset.txt(1.04 KB)
📄 input.yaml(1019 B)
📄 iqs269a.yaml(16.42 KB)
📄 iqs62x-keys.yaml(5.98 KB)
📄 lpc32xx-key.txt(1.06 KB)
📄 matrix-keymap.txt(47 B)
📄 matrix-keymap.yaml(1.53 KB)
📄 max77650-onkey.yaml(977 B)
📄 microchip,qt1050.txt(2.26 KB)
📄 mtk-pmic-keys.txt(1.14 KB)
📄 nvidia,tegra20-kbc.txt(2.03 KB)
📄 omap-keypad.txt(935 B)
📄 ps2keyb-mouse-apbps2.txt(618 B)
📄 pwm-beeper.txt(502 B)
📄 pwm-vibrator.txt(1.83 KB)
📄 pxa27x-keypad.txt(2.26 KB)
📄 qcom,pm8941-pwrkey.txt(1.26 KB)
📄 qcom,pm8xxx-keypad.txt(2.2 KB)
📄 qcom,pm8xxx-pwrkey.txt(1.08 KB)
📄 qcom,pm8xxx-vib.txt(386 B)
📄 raydium_i2c_ts.txt(544 B)
📄 regulator-haptic.txt(616 B)
📁 rmi4
📄 rotary-encoder.txt(1.88 KB)
📄 samsung-keypad.txt(2.3 KB)
📄 snvs-pwrkey.txt(58 B)
📄 spear-keyboard.txt(435 B)
📄 sprd,sc27xx-vibra.txt(488 B)
📄 st-keyscan.txt(1.74 KB)
📄 stmpe-keypad.txt(895 B)
📄 tca8418_keypad.txt(320 B)
📄 ti,drv260x.txt(1.88 KB)
📄 ti,drv2665.txt(371 B)
📄 ti,drv2667.txt(371 B)
📄 ti,nspire-keypad.txt(1.62 KB)
📄 ti,palmas-pwrbutton.txt(1.26 KB)
📁 touchscreen
📄 tps65218-pwrbutton.txt(780 B)
📄 twl4030-keypad.txt(958 B)
📄 twl4030-pwrbutton.txt(600 B)
📄 zii,rave-sp-pwrbutton.txt(609 B)

Editing: allwinner,sun4i-a10-lradc-keys.yaml

# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/allwinner,sun4i-a10-lradc-keys.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Allwinner A10 LRADC Device Tree Bindings

maintainers:
  - Chen-Yu Tsai <wens@csie.org>
  - Maxime Ripard <mripard@kernel.org>

properties:
  compatible:
    oneOf:
      - const: allwinner,sun4i-a10-lradc-keys
      - const: allwinner,sun8i-a83t-r-lradc
      - items:
          - const: allwinner,sun50i-a64-lradc
          - const: allwinner,sun8i-a83t-r-lradc

reg:
    maxItems: 1

interrupts:
    maxItems: 1

vref-supply:
    description:
      Regulator for the LRADC reference voltage

patternProperties:
  "^button-[0-9]+$":
    type: object
    properties:
      label:
        $ref: /schemas/types.yaml#/definitions/string
        description: Descriptive name of the key

linux,code:
        $ref: /schemas/types.yaml#/definitions/uint32
        description: Keycode to emit

channel:
        $ref: /schemas/types.yaml#/definitions/uint32
        enum: [0, 1]
        description: ADC Channel this key is attached to

voltage:
        $ref: /schemas/types.yaml#/definitions/uint32
        description:
          Voltage in microvolts at LRADC input when this key is
          pressed

required:
      - label
      - linux,code
      - channel
      - voltage

additionalProperties: false

required:
  - compatible
  - reg
  - interrupts
  - vref-supply

additionalProperties: false

examples:
  - |
    lradc: lradc@1c22800 {
        compatible = "allwinner,sun4i-a10-lradc-keys";
        reg = <0x01c22800 0x100>;
        interrupts = <31>;
        vref-supply = <&reg_vcc3v0>;

button-191 {
            label = "Volume Up";
            linux,code = <115>;
            channel = <0>;
            voltage = <191274>;
        };

button-392 {
            label = "Volume Down";
            linux,code = <114>;
            channel = <0>;
            voltage = <392644>;
        };
    };

...

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Editing: allwinner,sun4i-a10-lradc-keys.yaml

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