diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2015-11-19 15:45:39 +0000 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2015-11-20 10:14:24 +0900 |
| commit | afe330098d255e698088e010be3cb4fa57e9ff86 (patch) | |
| tree | af1152c3658a5e06bc106a5fbb7f4745b5c2015b /Documentation/devicetree/bindings/extcon | |
| parent | 35247c136a47a05d7747c9c7f0bc0d948d1fdda5 (diff) | |
extcon: arizona: Update DT binding documentation for mic detection
Add additional bindings to allow configuration of the system specific
microphone detection settings.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'Documentation/devicetree/bindings/extcon')
| -rw-r--r-- | Documentation/devicetree/bindings/extcon/extcon-arizona.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt index e1705fae63a8..d6618119a9a8 100644 --- a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt +++ b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt @@ -13,3 +13,23 @@ Optional properties: ARIZONA_ACCDET_MODE_HPR or 2 - Headphone detect mode is set to HPDETR If this node is not mentioned or if the value is unknown, then headphone detection mode is set to HPDETL. + + - wlf,micd-software-compare : Use a software comparison to determine mic + presence + - wlf,micd-detect-debounce : Additional software microphone detection + debounce specified in milliseconds. + - wlf,micd-pol-gpio : GPIO specifier for the GPIO controlling the headset + polarity if one exists. + - wlf,micd-bias-start-time : Time allowed for MICBIAS to startup prior to + performing microphone detection, specified as per the ARIZONA_MICD_TIME_XXX + defines. + - wlf,micd-rate : Delay between successive microphone detection measurements, + specified as per the ARIZONA_MICD_TIME_XXX defines. + - wlf,micd-dbtime : Microphone detection hardware debounces specified as the + number of measurements to take, valid values being 2 and 4. + - wlf,micd-timeout : Timeout for microphone detection, specified in + milliseconds. + - wlf,micd-force-micbias : Force MICBIAS continuously on during microphone + detection. + + - wlf,gpsw : Settings for the general purpose switch |