Re: [PATCH v4 2/3] dt-bindings: input: Add TouchNetix axiom touchscreen

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On 04/12/2023 15:05, Kamel Bouhara wrote:
> Add the TouchNetix axiom I2C touchscreen device tree bindings
> documentation.
> 
> Signed-off-by: Kamel Bouhara <kamel.bouhara@xxxxxxxxxxx>

> +$id: http://devicetree.org/schemas/input/touchscreen/touchnetix,ax54a.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TouchNetix Axiom series touchscreen controller
> +
> +maintainers:
> +  - Kamel Bouhara <kamel.bouhara@xxxxxxxxxxx>
> +

Why you do not have ref to touchscreen? Is it not a touchscreen?


> +properties:
> +  compatible:
> +    const: touchnetix,ax54a
> +
> +  reg:
> +    const: 0x66
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  reset-gpios:
> +    maxItems: 1
> +
> +  poll-interval:
> +    description: Poll interval time in milliseconds.

Missing type or missing ref to input. It seems you want to use existing
property thus no type, but you did not reference input.yaml

> +
> +  VDDA-supply:

lowercase

> +    description: Analog power supply regulator on VDDA pin
> +
> +  VDDI-supply:

lowercase

> +    description: I/O power supply regulator on VDDI pin
> +
> +required:
> +  - compatible
> +  - reg

Supplies are usually required. Devices rarely can operate without  power.

> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;

Blank line

> +      touchscreen@66 {
> +        compatible = "touchnetix,ax54a";
> +        reg = <0x66>;
> +        interrupt-parent = <&gpio2>;
> +        interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
> +        reset-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
> +      };

Best regards,
Krzysztof





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