Re: [PATCH] iio: adc: Add support for TI ADC1x8s102

From: Mika Westerberg
Date: Wed Apr 26 2017 - 05:09:50 EST


On Tue, Apr 25, 2017 at 06:12:12PM +0200, Jan Kiszka wrote:
> Now, do you also a suggestion where to put that 5 V reference voltage
> value that is hard-coded (via wiring) on the target boards for the ADC?
> That is now device-specific, not a controller parameter. Is there an
> ACPI-way to express such a parameter?

You may put it into device property using _DSD (as long as you don't try
to represent regulators or so).

> How would that be done for DTs?

I don't know but you may look under Documentation/devicetree/bindings if
there is anything.

> Plan B would be hard-coding in the code for now, waiting for a second,
> non-ACPI user to address it.

Sounds reasonable.