Re: [PATCH v7 1/2] dt-bindings: iio: proximity: add ST VL53L1X ToF sensor

[Sirat]

On Wed, Mar 25, 2026 at 2:05 PM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>
> On Wed, Mar 25, 2026 at 12:32:22PM +0600, Siratul Islam wrote:
> > Add device tree binding documentation for the STMicroelectronics
> > VL53L1X Time-of-Flight ranging sensor connected via I2C.
> >
> > Make vdd-supply required. The device requires power to operate
> > and the property should have been required from the start.
>
> That's ABI break and device for many years was working fine, so this
> should not be changed.
>
Jonathan and David asked that vdd-supply be made required. I feel like
there is a conflict here that I am not able to resolve myself.

What I think about it is the binding does not correctly describe the
hardware and we should consider this a bug and fix it.
The driver worked because of a fallback mechanism (dummy/fake
regulator) and not because power was optional.

But I am willing to follow whatever consensus is agreed upon.

Thanks,
Sirat