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mfd: arizona: Add DT binding documentation for DMIC reference voltages

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Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Charles Keepax 2015-03-03 15:04:54 +00:00 committed by Lee Jones
parent e7ad27cac9
commit ccd173c541
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/mfd/arizona.txt
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@ -56,6 +56,12 @@ Optional properties:
input singals. If values less than the number of input signals, elements
that has not been specifed are set to 0 by default.
- wlf,dmic-ref : DMIC reference voltage source for each input, can be
selected from either MICVDD or one of the MICBIAS's, defines
(ARIZONA_DMIC_xxxx) are provided in <dt-bindings/mfd/arizona.txt>. If
present, the number of values should be less than or equal to the
number of inputs, unspecified inputs will use the chip default.
- DCVDD-supply, MICVDD-supply : Power supplies, only need to be specified if
they are being externally supplied. As covered in
Documentation/devicetree/bindings/regulator/regulator.txt