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SubjectRe: [PATCH 2/4] Documentation: DT: bindings: input: Add documentation for cyttsp5
Hi,

On Mon, 25 Oct 2021 21:42:12 +1000
Alistair Francis <alistair@alistair23.me> wrote:

> From: Mylène Josserand <mylene.josserand@free-electrons.com>
>
> 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: Mylène Josserand <mylene.josserand@free-electrons.com>
> Message-Id: <20170529144538.29187-3-mylene.josserand@free-electrons.com>
> Signed-off-by: Alistair Francis <alistair@alistair23.me>
> ---
> .../input/touchscreen/cypress,cyttsp5.yaml | 72 +++++++++++++++++++
> 1 file changed, 72 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/input/touchscreen/cypress,cyttsp5.yaml
>
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/cypress,cyttsp5.yaml b/Documentation/devicetree/bindings/input/touchscreen/cypress,cyttsp5.yaml
> new file mode 100644
> index 000000000000..0bddbd76a0c3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/touchscreen/cypress,cyttsp5.yaml
> @@ -0,0 +1,72 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/input/touchscreen/cypress,cyttsp5.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cypress cyttsp touchscreen controller, generation 5
> +
> +maintainers:
> + - Alistair Francis <alistair@alistair23.me>
> +
> +allOf:
> + - $ref: touchscreen.yaml#
> +
> +properties:
> + compatible:
> + const: cypress,cyttsp5
> +

you use buttons later, so it should be specified somewhere here.

> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + vdd-supply:
> + description: Regulator for voltage.
> +
> + reset-gpios:
> + maxItems: 1
> +
> + linux,code:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: EV_ABS specific event code generated by the axis.
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - vdd-supply
> +
> +additionalProperties: false
If you want to allow things from touchscreen.yaml, you should use
unevaluatedProperties: false.
> +
> +examples:
> + - |

some includes are missing for the constants below here.
> + i2c {

Regards,
Andreas

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