Re: [PATCH v3 2/5] ARM: dts: add reference voltage property for MXS LRADC

From: Marek Vasut
Date: Mon Jul 22 2013 - 18:37:04 EST


Dear Lars-Peter Clausen,

> On 07/22/2013 04:04 PM, Hector Palacios wrote:
> > Some LRADC channels have fixed pre-dividers so they can measure
> > different voltages at full scale. The reference voltage allows to
> > expose a scaling attribute through the IIO sysfs so that a user can
> > compute the real voltage out of a measured sample value.
>
> I've said before that I'm not convinced that this is the right way to
> implement this. And considering what Thomas said here
> http://www.mail-archive.com/devicetree-discuss@xxxxxxxxxxxxxxxx/msg36691.ht
> ml I guess I'm not alone with that opinion.
>
> - Lars

He's talking about different versions of the IP block, this is the same IP
block, just connected to different inputs.

Best regards,
Marek Vasut
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