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| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2015-12-14 11:37:12 +0100 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2015-12-15 01:57:37 +0100 |
| commit | cb0eac8fd1a3180ce260a8dca01584bc5495a8e8 (patch) | |
| tree | 598ee110e1a4667637ec6477526fa19b4dfc419a /Documentation | |
| parent | extcon: arizona: Add device bindings for the micd configurations (diff) | |
| download | linux-cb0eac8fd1a3180ce260a8dca01584bc5495a8e8.tar.xz linux-cb0eac8fd1a3180ce260a8dca01584bc5495a8e8.zip | |
extcon: arizona: Update device tree binding for mic detect configurations
Update the device tree binding documentation to include documentation for
the wlf,micd-configs property that is used to specify the configurations
for headset polarity detection (CTIA / OTMP).
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/extcon/extcon-arizona.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt index 238e10e86a20..fd9b898d2d7d 100644 --- a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt +++ b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt @@ -37,5 +37,13 @@ Optional properties: milliseconds. - wlf,micd-force-micbias : Force MICBIAS continuously on during microphone detection. + - wlf,micd-configs : Headset polarity configurations (generally used for + detection of CTIA / OMTP headsets), the field can be of variable length + but should always be a multiple of 3 cells long, each three cell group + represents one polarity configuration. + The first cell defines the accessory detection pin, zero will use MICDET1 + and all other values will use MICDET2. + The second cell represents the MICBIAS to be used. + The third cell represents the value of the micd-pol-gpio pin. - wlf,gpsw : Settings for the general purpose switch |