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Diffstat (limited to 'Documentation/devicetree/bindings/mfd/iqs62x.yaml')
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diff --git a/Documentation/devicetree/bindings/mfd/iqs62x.yaml b/Documentation/devicetree/bindings/mfd/iqs62x.yaml new file mode 100644 index 000000000..044cd7542 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/iqs62x.yaml @@ -0,0 +1,179 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/iqs62x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Azoteq IQS620A/621/622/624/625 Multi-Function Sensors + +maintainers: + - Jeff LaBundy <jeff@labundy.com> + +description: | + The Azoteq IQS620A, IQS621, IQS622, IQS624 and IQS625 multi-function sensors + integrate multiple sensing technologies in a single package. + + Link to datasheets: https://www.azoteq.com/ + +properties: + compatible: + enum: + - azoteq,iqs620a + - azoteq,iqs621 + - azoteq,iqs622 + - azoteq,iqs624 + - azoteq,iqs625 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + firmware-name: + $ref: /schemas/types.yaml#/definitions/string + description: + Specifies the name of the calibration and configuration file selected by + the driver. If this property is omitted, the name is chosen based on the + device name with ".bin" as the extension (e.g. iqs620a.bin for IQS620A). + + keys: + $ref: ../input/iqs62x-keys.yaml + + pwm: + $ref: ../pwm/iqs620a-pwm.yaml + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + /* + * Dual capacitive buttons with proximity-activated function, unipolar lid + * switch and panel-mounted LED. + */ + #include <dt-bindings/input/input.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + iqs620a@44 { + compatible = "azoteq,iqs620a"; + reg = <0x44>; + interrupt-parent = <&gpio>; + interrupts = <17 IRQ_TYPE_LEVEL_LOW>; + + keys { + compatible = "azoteq,iqs620a-keys"; + + linux,keycodes = <KEY_SELECT>, + <KEY_MENU>, + <KEY_OK>, + <KEY_MENU>; + + hall-switch-south { + linux,code = <SW_LID>; + azoteq,use-prox; + }; + }; + + iqs620a_pwm: pwm { + compatible = "azoteq,iqs620a-pwm"; + #pwm-cells = <2>; + }; + }; + }; + + pwmleds { + compatible = "pwm-leds"; + + led-1 { + pwms = <&iqs620a_pwm 0 1000000>; + max-brightness = <255>; + }; + }; + + - | + /* Single inductive button with bipolar dock/tablet-mode switch. */ + #include <dt-bindings/input/input.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + iqs620a@44 { + compatible = "azoteq,iqs620a"; + reg = <0x44>; + interrupt-parent = <&gpio>; + interrupts = <17 IRQ_TYPE_LEVEL_LOW>; + + firmware-name = "iqs620a_coil.bin"; + + keys { + compatible = "azoteq,iqs620a-keys"; + + linux,keycodes = <0>, + <0>, + <0>, + <0>, + <0>, + <0>, + <KEY_MUTE>; + + hall-switch-north { + linux,code = <SW_DOCK>; + }; + + hall-switch-south { + linux,code = <SW_TABLET_MODE>; + }; + }; + }; + }; + + - | + /* Dual capacitive buttons with volume knob. */ + #include <dt-bindings/input/input.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + iqs624@44 { + compatible = "azoteq,iqs624"; + reg = <0x44>; + interrupt-parent = <&gpio>; + interrupts = <17 IRQ_TYPE_LEVEL_LOW>; + + keys { + compatible = "azoteq,iqs624-keys"; + + linux,keycodes = <BTN_0>, + <0>, + <BTN_1>, + <0>, + <0>, + <0>, + <0>, + <0>, + <0>, + <0>, + <0>, + <0>, + <0>, + <0>, + <KEY_VOLUMEUP>, + <KEY_VOLUMEDOWN>; + }; + }; + }; + +... |