linux-kernel - Re: [PATCH v2 4/5] dt-bindings: input: Centralize 'linux,input-type' definition

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Date:   Wed, 8 Jun 2022 20:38:42 -0500
From:   Jeff LaBundy <jeff@...undy.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Heinrich Schuchardt <xypron.glpk@....de>,
        Hans de Goede <hdegoede@...hat.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Artur Rojek <contact@...ur-rojek.eu>,
        Maxime Ripard <mripard@...nel.org>,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/5] dt-bindings: input: Centralize 'linux,input-type'
 definition

Hi Rob,

On Wed, Jun 08, 2022 at 03:12:06PM -0600, Rob Herring wrote:
> Multiple bindings use 'linux,input-type', but there is not a central
> definition and type. Add 'linux,input-type' to input.yaml and update all
> the users to use it.
> 
> Signed-off-by: Rob Herring <robh@...nel.org>

For *iqs*.yaml:

Acked-by: Jeff LaBundy <jeff@...undy.com>

> ---
>  .../devicetree/bindings/input/azoteq,iqs7222.yaml  |  1 -
>  .../devicetree/bindings/input/gpio-keys.yaml       |  7 +------
>  Documentation/devicetree/bindings/input/input.yaml | 14 ++++++++++++++
>  .../devicetree/bindings/input/iqs626a.yaml         |  4 ----
>  4 files changed, 15 insertions(+), 11 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml b/Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml
> index 5ea10fe7ffe9..a13bd3e41dd3 100644
> --- a/Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml
> +++ b/Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml
> @@ -471,7 +471,6 @@ patternProperties:
>            linux,code: true
>  
>            linux,input-type:
> -            $ref: /schemas/types.yaml#/definitions/uint32
>              enum: [1, 5]
>              default: 1
>              description:
> diff --git a/Documentation/devicetree/bindings/input/gpio-keys.yaml b/Documentation/devicetree/bindings/input/gpio-keys.yaml
> index cd07107fd5ed..6b49b1afdd95 100644
> --- a/Documentation/devicetree/bindings/input/gpio-keys.yaml
> +++ b/Documentation/devicetree/bindings/input/gpio-keys.yaml
> @@ -36,12 +36,7 @@ patternProperties:
>            description: Key / Axis code to emit.
>  
>          linux,input-type:
> -          description:
> -            Specify event type this button/key generates. If not specified defaults to
> -            <1> == EV_KEY.
> -          $ref: /schemas/types.yaml#/definitions/uint32
> -
> -          default: 1
> +          default: 1  # EV_KEY
>  
>          linux,input-value:
>            description: |
> diff --git a/Documentation/devicetree/bindings/input/input.yaml b/Documentation/devicetree/bindings/input/input.yaml
> index e3701a0bc500..17512f4347fd 100644
> --- a/Documentation/devicetree/bindings/input/input.yaml
> +++ b/Documentation/devicetree/bindings/input/input.yaml
> @@ -31,6 +31,17 @@ properties:
>      $ref: /schemas/types.yaml#/definitions/uint32
>      maximum: 0x2ff
>  
> +  linux,input-type:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum:
> +      - 1   # EV_KEY
> +      - 2   # EV_REL
> +      - 3   # EV_ABS
> +      - 5   # EV_SW
> +    description:
> +      Specifies whether the event is to be interpreted as a key, relative,
> +      absolute, or switch.
> +
>    poll-interval:
>      description: Poll interval time in milliseconds.
>      $ref: /schemas/types.yaml#/definitions/uint32
> @@ -47,4 +58,7 @@ properties:
>        reset automatically. Device with key pressed reset feature can specify
>        this property.
>  
> +dependencies:
> +  linux,input-type: [ "linux,code" ]
> +
>  additionalProperties: true
> diff --git a/Documentation/devicetree/bindings/input/iqs626a.yaml b/Documentation/devicetree/bindings/input/iqs626a.yaml
> index 008959f2d425..4df27646c980 100644
> --- a/Documentation/devicetree/bindings/input/iqs626a.yaml
> +++ b/Documentation/devicetree/bindings/input/iqs626a.yaml
> @@ -491,16 +491,12 @@ patternProperties:
>            linux,code: true
>  
>            linux,input-type:
> -            $ref: /schemas/types.yaml#/definitions/uint32
>              enum: [1, 5]
>              description:
>                Specifies whether the event is to be interpreted as a key (1) or
>                a switch (5). By default, Hall-channel events are interpreted as
>                switches and all others are interpreted as keys.
>  
> -        dependencies:
> -          linux,input-type: ["linux,code"]
> -
>          additionalProperties: false
>  
>      dependencies:
> -- 
> 2.34.1
> 

Kind regards,
Jeff LaBundy