Re: [PATCH v5 1/2] dt-bindings: Input: Add Wacom W9000-series penabled touchscreens

From: Conor Dooley

Date: Thu Mar 19 2026 - 13:17:41 EST


On Thu, Mar 19, 2026 at 10:53:02AM +0100, Hendrik Noack wrote:
> Add bindings for Wacom W9002 and two Wacom W9007 variants which can be
> found in tablets.
>
> Co-developed-by: Ferass El Hafidi <funderscore@xxxxxxxxxxxxxxxx>
> Signed-off-by: Ferass El Hafidi <funderscore@xxxxxxxxxxxxxxxx>
> Signed-off-by: Hendrik Noack <hendrik-noack@xxxxxx>
> ---
> .../input/touchscreen/wacom,w9007a-lt03.yaml | 73 +++++++++++++++++++
> 1 file changed, 73 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/input/touchscreen/wacom,w9007a-lt03.yaml
>
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/wacom,w9007a-lt03.yaml b/Documentation/devicetree/bindings/input/touchscreen/wacom,w9007a-lt03.yaml
> new file mode 100644
> index 000000000000..6d1da6a435d3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/touchscreen/wacom,w9007a-lt03.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/input/touchscreen/wacom,w9007a-lt03.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Wacom W9000-series penabled I2C touchscreen
> +
> +maintainers:
> + - Hendrik Noack <hendrik-noack@xxxxxx>
> +
> +description: |
> + The W9000-series are penabled touchscreen controllers by Wacom.
> +
> + The firmware of controllers in different devices may differ. This can also
> + affect the controller's behavior.
> +
> +allOf:
> + - $ref: touchscreen.yaml#
> +
> +properties:
> + compatible:
> + enum:
> + - wacom,w9002
> + - wacom,w9007a-lt03
> + - wacom,w9007a-v1

Please provide information in your commit message as to why these
devices are not compatible with one another.
With that,
Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
pw-bot: changes-requested

Cheers,
Conor.


> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + vdd-supply: true
> +
> + flash-mode-gpios:
> + maxItems: 1
> +
> + reset-gpios:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> +
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + digitizer@56 {
> + compatible = "wacom,w9007a-lt03";
> + reg = <0x56>;
> + interrupt-parent = <&gpd1>;
> + interrupts = <1 IRQ_TYPE_EDGE_RISING>;
> +
> + vdd-supply = <&stylus_reg>;
> +
> + flash-mode-gpios = <&gpd1 3 GPIO_ACTIVE_HIGH>;
> + reset-gpios = <&gpx0 1 GPIO_ACTIVE_LOW>;
> +
> + touchscreen-x-mm = <216>;
> + touchscreen-y-mm = <135>;
> + touchscreen-inverted-x;
> + };
> + };
> --
> 2.43.0
>

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