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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2015-03-03 15:04:54 +0000
committerLee Jones <lee.jones@linaro.org>2015-03-12 09:08:07 +0000
commitccd173c541e7d3c864730e334dac36a8b6487a25 (patch)
tree5864b0e37ba7ec7a99fb5f9ca503a2cb78a5d73e /Documentation/devicetree/bindings/mfd/arizona.txt
parentmfd: arizona: Add DT binding for the DMIC reference voltages (diff)
downloadlinux-dev-ccd173c541e7d3c864730e334dac36a8b6487a25.tar.xz
linux-dev-ccd173c541e7d3c864730e334dac36a8b6487a25.zip
mfd: arizona: Add DT binding documentation for DMIC reference voltages
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/arizona.txt')
-rw-r--r--Documentation/devicetree/bindings/mfd/arizona.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt
index af8646ffc336..7665aa95979f 100644
--- a/Documentation/devicetree/bindings/mfd/arizona.txt
+++ b/Documentation/devicetree/bindings/mfd/arizona.txt
@@ -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