summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/extcon
diff options
context:
space:
mode:
authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2015-11-19 16:45:39 +0100
committerChanwoo Choi <cw00.choi@samsung.com>2015-11-20 02:14:24 +0100
commitafe330098d255e698088e010be3cb4fa57e9ff86 (patch)
treeaf1152c3658a5e06bc106a5fbb7f4745b5c2015b /Documentation/devicetree/bindings/extcon
parentextcon: arizona: Add device binding for second jack detect pin on GPIO5 (diff)
downloadlinux-afe330098d255e698088e010be3cb4fa57e9ff86.tar.xz
linux-afe330098d255e698088e010be3cb4fa57e9ff86.zip
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.txt20
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