diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2013-09-19 17:57:15 +0100 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:42:46 +0900 |
| commit | fc60c8289a4c77e325c9ef34ecc5df4afe273bd6 (patch) | |
| tree | 1dfddc9c6179ec81b217513a333330539ee5c28f /Documentation | |
| parent | e8184e6ea74c7bdd16f1d194b3966d2dcd912e1b (diff) | |
extcon: arizona: Add simple microphone detection device tree bindings
Add device tree bindings for several of simpler microphone detection
pdata fields.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
[k.kozlowski: rebased on 4.1, no signed-off-by of previous committer]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/arizona.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt index 7c88653efeb6..609c2317831e 100644 --- a/Documentation/devicetree/bindings/mfd/arizona.txt +++ b/Documentation/devicetree/bindings/mfd/arizona.txt @@ -59,6 +59,23 @@ Optional properties: The third cell represents the value of the micd-pol-gpio pin, a non-zero value indicates this should be on + - 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 MICD_BIAS_STARTTIME + bits in the register MIC_DETECT_1 + - wlf,micd-rate : Delay between successive microphone detection measurements, + specified as per the MICD_RATE bits in the register MIC_DETECT_1 + - wlf,micd-dbtime : Microphone detection hardware debounce level, specified + as per the MICD_DBTIME bits in the register MIC_DETECT_1 + - wlf,micd-timeout : Timeout for microphone detection, specified in + milliseconds + - wlf,micd-force-micbias : Force MICBIAS continuously on during microphone + detection + + - wlf,inmode : A list of INn_MODE register values, where n is the number of input signals. Valid values are 0 (Differential), 1 (Single-ended) and 2 (Digital Microphone). If absent, INn_MODE registers set to 0 by default. @@ -113,6 +130,13 @@ codec: wm5102@1a { 0x0 2 1 >; + wlf,micd-detect-debounce = <10>; + wlf,micd-bias-start-time = <0x1>; + wlf,micd-rate = <0x1>; + wlf,micd-dbtime = <0x1>; + wlf,micd-timeout = <10>; + wlf,micd-force-micbias; + wlf,gpio-defaults = < ARIZONA_GP_FN_TXLRCLK ARIZONA_GP_DEFAULT |