[Letux-kernel] [PATCH 0/4] mfd: rn5t618: Extend ADC support

Andreas Kemnade andreas at kemnade.info
Sat Jul 3 18:39:40 CEST 2021


On Sat, 3 Jul 2021 16:59:50 +0100
Jonathan Cameron <jic23 at kernel.org> wrote:

> On Sat,  3 Jul 2021 10:42:20 +0200
> Andreas Kemnade <andreas at kemnade.info> wrote:
> > Add devicetree support so that consumers can reference the channels
> > via devicetree, especially the power subdevice can make use of that
> > to provide voltage_now properties.  
> Does the mapping vary from board to board?  Often these mappings are
> internal to the chip so might as well be provided hard coded in the
> relevant drivers rather than via DT. See drivers that have iio_map
> structure arrays.
Most things are internal to the chip, but 
AIN1/AIN0 are external and could be connected to anything.


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