Re: [PATCH v6 2/9] dt-bindings: touchscreen: Initial commit of wacom,generic

From: Dmitry Torokhov
Date: Tue Jun 15 2021 - 12:54:50 EST


Hi Alistair,

On Tue, Jun 15, 2021 at 08:30:07PM +1000, Alistair Francis wrote:
> Signed-off-by: Alistair Francis <alistair@xxxxxxxxxxxxx>

Please also send DT bindings to Rob Herring <robh+dt@xxxxxxxxxx> and
devicetree@xxxxxxxxxxxxxxx.

> ---
> .../input/touchscreen/wacom,generic.yaml | 48 +++++++++++++++++++
> 1 file changed, 48 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/input/touchscreen/wacom,generic.yaml
>
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/wacom,generic.yaml b/Documentation/devicetree/bindings/input/touchscreen/wacom,generic.yaml
> new file mode 100644
> index 000000000000..68f3f5271b77
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/touchscreen/wacom,generic.yaml
> @@ -0,0 +1,48 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/input/touchscreen/wacom,generic.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Wacom I2C Controller
> +
> +maintainers:
> + - Alistair Francis <alistair@xxxxxxxxxxxxx>
> +
> +allOf:
> + - $ref: touchscreen.yaml#
> +
> +properties:
> + compatible:
> + const: wacom,generic

This is not an acceptable DT compatible. This needs to be a particular
model of the controller, preferably the first one that supports this
protocol.

> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + vdd-supply:
> + description: Power Supply
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include "dt-bindings/interrupt-controller/irq.h"
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + digitiser@9 {
> + compatible = "wacom,generic";
> + reg = <0x9>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
> + vdd-supply = <&reg_touch>;
> + };
> + };
> --
> 2.31.1
>

Thanks.

--
Dmitry