iio: adc: at91_adc: rework resolution selection

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Move the possible resolution values back to the driver. This removes the
atmel,adc-res and atmel,adc-res-names properties, leaving only
atmel,adc-use-res. As atmel,adc-res-names had to contain "lowres" and
"highres", those where already the only allowed values for
atmel,adc-use-res.

Also introduce a new compatible string for the sama5d3 as this is the only
one with a different resolution. Also it doesn't even have the LOWRES
bit.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/20201128222818.1910764-3-alexandre.belloni@bootlin.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Alexandre Belloni 2020-11-28 23:28:10 +01:00 • committed by Jonathan Cameron

parent 197cefcdc8

commit 5eb39ef81a

1 changed files with 40 additions and 57 deletions

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drivers/iio/adc/at91_adc.c

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