On 02/03/2014 04:15 PM, Geert Uytterhoeven wrote:
On Mon, Feb 3, 2014 at 3:57 PM, Lars-Peter Clausen <lars@xxxxxxxxxx> wrote:
+ - adi,micbias: Configures the voltage setting for the MICBIAS pin. If not
+ specified the default value will be 8.5 Volts. This property is only valid
+ for the ADAU1977.
+ Valid values for this property are:
+ 0: 5.0V
+ 1: 5.5V
+ 2: 6.0V
+ 3: 6.5V
+ 4: 7.0V
+ 5: 7.5V
+ 6: 8.0V
+ 7: 8.5V
+ 8: 9.0V
This means the casual DTS reader need to know about the meaning of
the values. You can avoid that by:
1. Using preprocessor defines. Drawback is that you have to add an
include file.
2. Using mV, and specify minimum, maximum, and incrementals in the
bindings, cfr.
Documentation/devicetree/bindings/power_supply/ti,bq24735.txt
Drawback is that the user can easily specify invalid values.
Is there a preference for either of them?
Thanks,
- Lars
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