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

Dmitry Torokhov
2025-04-09T20:58:20Z

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