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Subject: Re: [PATCH 2/3] dt-bindings: touchscreen: Add HY46XX bindings
To:     Giulio Benetti <giulio.benetti@benettiengineering.com>,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        Rob Herring <robh+dt@kernel.org>
Cc:     linux-input@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>
References: <20210305163834.70924-1-giulio.benetti@benettiengineering.com>
 <20210305163834.70924-3-giulio.benetti@benettiengineering.com>
From:   Giulio Benetti <giulio.benetti@micronovasrl.com>
Message-ID: <a3e916f7-9c27-3ff9-d8df-4c145125fa09@micronovasrl.com>
Date:   Fri, 5 Mar 2021 20:34:36 +0100
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Adding +CC Dmitry

-- 
Giulio Benetti
CTO

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Il 05/03/2021 17:38, Giulio Benetti ha scritto:
> From: Giulio Benetti <giulio.benetti@micronovasrl.com>
> 
> This adds device tree bindings for the Hycon HY46XX touchscreen series.
> 
> Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
> ---
>   .../input/touchscreen/hycon,hy46xx.yaml       | 130 ++++++++++++++++++
>   MAINTAINERS                                   |   6 +
>   2 files changed, 136 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml
> 
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml b/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml
> new file mode 100644
> index 000000000000..cddd5e5bae92
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml
> @@ -0,0 +1,130 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/input/touchscreen/hycon-hy46xx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: hyconon HY46XX series touchscreen controller Bindings
> +
> +description: |
> +             There are 6 variants of the chip for various touch panel sizes and coverl len material
> +              Glass: 0.3mm--4.0mm
> +              PET/PMMA: 0.2mm--2.0mm
> +               HY4613(B)-N048  < 6"
> +               HY4614(B)-N068  7" .. 10.1"
> +               HY4621-NS32  < 5"
> +               HY4623-NS48  5.1" .. 7"
> +              Glass: 0.3mm--8.0mm
> +              PET/PMMA: 0.2mm--4.0mm
> +               HY4633(B)-N048  < 6"
> +               HY4635(B)-N048  < 7" .. 10.1"
> +
> +maintainers:
> +  - Giulio Benetti <giulio.benetti@micronovasrl.com>
> +
> +allOf:
> +  - $ref: touchscreen.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - hycon,hycon-hy4613
> +      - hycon,hycon-hy4614
> +      - hycon,hycon-hy4621
> +      - hycon,hycon-hy4623
> +      - hycon,hycon-hy4633
> +      - hycon,hycon-hy4635
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  reset-gpios:
> +    maxItems: 1
> +
> +  vcc-supply: true
> +
> +  threshold:
> +    description: Allows setting the sensitivity in the range from 0 to 255.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0
> +    maximum: 255
> +
> +  proximity-sensor-switch:
> +    description: Allows enabling or disabling the Proximity Sensor.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0
> +    maximum: 1
> +
> +  glove-enable:
> +    description: Allows enabling or disabling glove setting.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0
> +    maximum: 1
> +
> +  report-speed:
> +    description: Allows setting the report speed(i.e 0x64 => 100Hz).
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0
> +    maximum: 255
> +
> +  power-noise-enable:
> +    description: Allows enabling or disabling power noise filter.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0
> +    maximum: 1
> +
> +  filter-data:
> +    description: Allows setting the filtering data before reporting touch
> +                 in the range from 0 to 5.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0
> +    maximum: 5
> +
> +  gain:
> +    description: Allows setting the sensitivity distance in the range from 0 to 5.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0
> +    maximum: 5
> +
> +  edge-offset:
> +    description: Allows setting the edge compensation in the range from 0 to 16.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    minimum: 0
> +    maximum: 16
> +
> +  touchscreen-size-x: true
> +  touchscreen-size-y: true
> +  touchscreen-fuzz-x: true
> +  touchscreen-fuzz-y: true
> +  touchscreen-inverted-x: true
> +  touchscreen-inverted-y: true
> +  touchscreen-swapped-x-y: true
> +  interrupt-controller: true
> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +      hycon-hy4633@1c {
> +        compatible = "hycon,hy4633";
> +        reg = <0x1c>;
> +        interrupt-parent = <&gpio2>;
> +        interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
> +        reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
> +      };
> +    };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index d92f85ca831d..3f83daf6b2bf 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -8245,6 +8245,12 @@ S:	Maintained
>   F:	mm/hwpoison-inject.c
>   F:	mm/memory-failure.c
>   
> +HYCON HY46XX TOUCHSCREEN SUPPORT
> +M:	Giulio Benetti <giulio.benetti@micronovasrl.com>
> +L:	linux-input@vger.kernel.org
> +S:	Maintained
> +F:	Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml
> +
>   HYGON PROCESSOR SUPPORT
>   M:	Pu Wen <puwen@hygon.cn>
>   L:	linux-kernel@vger.kernel.org
>