Re: [PATCH v6 01/12] dt-bindings: mfd: gpio: Add MAX7360

[Dmitry Torokhov]

Hi Mathieu,

On Wed, Apr 09, 2025 at 04:55:48PM +0200, Mathieu Dubois-Briand wrote:
> Add device tree bindings for Maxim Integrated MAX7360 device with
> support for keypad, rotary, gpios and pwm functionalities.
> 
> +
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      io-expander@38 {
> +        compatible = "maxim,max7360";
> +        reg = <0x38>;
> +
> +        interrupt-parent = <&gpio1>;
> +        interrupts = <23 IRQ_TYPE_LEVEL_LOW>,
> +                     <24 IRQ_TYPE_LEVEL_LOW>;
> +        interrupt-names = "inti", "intk";
> +
> +        keypad,num-rows = <8>;
> +        keypad,num-columns = <4>;
> +        linux,keymap = <
> +          MATRIX_KEY(0x00, 0x00, KEY_F5)
> +          MATRIX_KEY(0x01, 0x00, KEY_F4)
> +          MATRIX_KEY(0x02, 0x01, KEY_F6)
> +          >;
> +        keypad-debounce-delay-ms = <10>;
> +        autorepeat;
> +
> +        rotary-debounce-delay-ms = <2>;
> +        linux,axis = <0>; /* REL_X */

Probably this has been already discussed, but shouldn't keyboard and
rotary encoder be represented as sub-nodes here, similar to how GPIO
block is represented?

Thanks.

-- 
Dmitry