Re: [PATCH 2/4] dt-bindings: auxdisplay: Add titanmec,tm1637

From: Krzysztof Kozlowski

Date: Tue Jan 13 2026 - 11:24:49 EST


On 13/01/2026 05:02, Siratul Islam wrote:
> +title: TM1637 7-segment LED display controller
> +
> +maintainers:
> + - Siratul Islam <email@xxxxxxxx>
> +
> +description:
> + The TM1637 is a 7-segment LED display controller with a two-wire serial
> + interface. It can drive up to 4 digits and includes brightness control.
> +
> +properties:
> + compatible:
> + const: titanmec,tm1637
> +
> + clk-gpios:
> + maxItems: 1
> + description: GPIO for clock line
> +
> + dio-gpios:
> + maxItems: 1
> + description: GPIO for data input/output line

So you are bitbanging in the kernel? This looks too tightly coupled to
the implementation. If this is some sort of standard interface, I would
expect following standard bus-child relationship, like i2c, spi, serial
or even 1-wire.

> +
Best regards,
Krzysztof