[PATCH v8 2/4] dt-bindings: input: Add Cypress TT2100 touchscreen controller

[Rob Herring]

On Tue, Aug 02, 2022 at 10:58:25PM +1000, Alistair Francis wrote:
> Add the Cypress TrueTouch Generation 5 touchscreen device tree bindings
> documentation. It can use I2C or SPI bus.
> This touchscreen can handle some defined zone that are designed and
> sent as button. To be able to customize the keycode sent, the
> "linux,code" property in a "button" sub-node can be used.
> 
> Signed-off-by: Alistair Francis <alistair at alistair23.me>
> Reviewed-by: Linus Walleij <linus.walleij at linaro.org>
> Reviewed-by: Rob Herring <robh at kernel.org>
> ---
>  .../input/touchscreen/cypress,tt21000.yaml    | 101 ++++++++++++++++++
>  1 file changed, 101 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml
> 
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml b/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml
> new file mode 100644
> index 000000000000..3fc4b7011040
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml
> @@ -0,0 +1,101 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/input/touchscreen/cypress,tt21000.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cypress TT2100 touchscreen controller
> +
> +description: The Cypress TT2100 series (also known as "CYTTSP5" after
> +  the marketing name Cypress TrueTouch Standard Product series 5).
> +
> +maintainers:
> +  - Alistair Francis <alistair at alistair23.me>
> +
> +allOf:
> +  - $ref: touchscreen.yaml#
> +
> +properties:
> +  compatible:
> +    const: cypress,tt21000
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  vdd-supply:
> +    description: Regulator for voltage.
> +
> +  reset-gpios:
> +    maxItems: 1
> +
> +  linux,keycodes:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: EV_ABS specific event code generated by the axis.

See commit d853cec7306a ("dt-bindings: input: Use common 
'linux,keycodes' definition") in next.

Rob