Re: [PATCH v3 1/3] dt-bindings: iio: proximity: add Sharp GP2AP070S proximity sensor

Krzysztof Kozlowski <[email protected]> Mon, 3 Aug 2026 09:11:40 +0200

Newsgroups	org.kernel.vger.linux-samsung-soc,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-iio,org.kernel.vger.linux-kernel
Message-ID	<20260803-unstoppable-capybara-of-respect-1bdd4d@quoll>

On Fri, Jul 31, 2026 at 01:37:00AM +0530, Kaustabh Chakraborty wrote:
> The GP2AP070S is a proximity sensor designed and manufactured by Sharp
> Corporation. Unlike the other GP2AP* schemas, this is strictly a
> proximity sensor and NOT an ambient light sensor.
> 
> For power supplies, it expects two voltage supplies, one for core and
> other for driving the infrared LED which is used to measure proximity
> distance.

Here you briefly mention resolution of previous discussion, because it is
non obvious and without it, you will get the same question - why vled is
not required?

...

 +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  vdd-supply:
> +    description: Voltage supply for the internal circuitry
> +
> +  vled-supply:
> +    description: Voltage supply for the IR LED
> +
> +  proximity-near-level: true

No constraints for the values?

Best regards,
Krzysztof