Commit 65cdd3ad authored by Jeff LaBundy's avatar Jeff LaBundy Committed by Dmitry Torokhov
Browse files

dt-bindings: input: iqs269a: Add bindings for slider gestures 



This patch adds bindings for slider gestures that can be expressed
by the device.

Signed-off-by: default avatarJeff LaBundy <jeff@labundy.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/ZZMaPrbSi4IrzwKF@nixie71


Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 0b670b54

Documentation/devicetree/bindings/input/iqs269a.yaml

+68 −0
Original line number Diff line number Diff line
@@ -9,6 +9,9 @@ title: Azoteq IQS269A Capacitive Touch Controller 
maintainers:

  - Jeff LaBundy <jeff@labundy.com>



allOf:

  - $ref: input.yaml#



description: |

  The Azoteq IQS269A is an 8-channel capacitive touch controller that features

  additional Hall-effect and inductive sensing capabilities.
@@ -204,6 +207,63 @@ properties: 
    default: 1

    description: Specifies the slider coordinate filter strength.



  linux,keycodes:

    minItems: 1

    maxItems: 8

    description: |

      Specifies the numeric keycodes associated with each available gesture in

      the following order (enter 0 for unused gestures):

      0: Slider 0 tap

      1: Slider 0 hold

      2: Slider 0 positive flick or swipe

      3: Slider 0 negative flick or swipe

      4: Slider 1 tap

      5: Slider 1 hold

      6: Slider 1 positive flick or swipe

      7: Slider 1 negative flick or swipe



  azoteq,gesture-swipe:

    type: boolean

    description:

      Directs the device to interpret axial gestures as a swipe (finger remains

      on slider) instead of a flick (finger leaves slider).



  azoteq,timeout-tap-ms:

    multipleOf: 16

    minimum: 0

    maximum: 4080

    default: 400

    description:

      Specifies the length of time (in ms) within which a slider touch must be

      released in order to be interpreted as a tap. Default and maximum values

      as well as step size are reduced by a factor of 4 with device version 2.



  azoteq,timeout-swipe-ms:

    multipleOf: 16

    minimum: 0

    maximum: 4080

    default: 2000

    description:

      Specifies the length of time (in ms) within which an axial gesture must be

      completed in order to be interpreted as a flick or swipe. Default and max-

      imum values as well as step size are reduced by a factor of 4 with device

      version 2.



  azoteq,thresh-swipe:

    $ref: /schemas/types.yaml#/definitions/uint32

    minimum: 0

    maximum: 255

    default: 128

    description:

      Specifies the number of points across which an axial gesture must travel

      in order to be interpreted as a flick or swipe.



dependencies:

  azoteq,gesture-swipe: ["linux,keycodes"]

  azoteq,timeout-tap-ms: ["linux,keycodes"]

  azoteq,timeout-swipe-ms: ["linux,keycodes"]

  azoteq,thresh-swipe: ["linux,keycodes"]



patternProperties:

  "^channel@[0-7]$":

    type: object
@@ -484,6 +544,14 @@ examples: 
                    azoteq,hall-enable;

                    azoteq,suspend-mode = <2>;



                    linux,keycodes = <KEY_PLAYPAUSE>,

                                     <KEY_STOPCD>,

                                     <KEY_NEXTSONG>,

                                     <KEY_PREVIOUSSONG>;



                    azoteq,timeout-tap-ms = <400>;

                    azoteq,timeout-swipe-ms = <800>;



                    channel@0 {

                            reg = <0x0>;