On Wed, 16 Sep 2015, Charles Keepax wrote: > Add additional bindings to allow configuration of the system specific > microphone detection settings. > > Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/mfd/arizona.txt | 21 +++++++++++++++++++++ > include/dt-bindings/mfd/arizona.h | 5 +++++ > 2 files changed, 26 insertions(+), 0 deletions(-) > > diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt > index a8fee60..b98a11b 100644 > --- a/Documentation/devicetree/bindings/mfd/arizona.txt > +++ b/Documentation/devicetree/bindings/mfd/arizona.txt > @@ -73,6 +73,27 @@ Optional properties: > 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, set as one of the > + ARIZONA_GPSW_XXX defines. I either need an Ack from the DT folks, or at least someone who knows about this stuff. Mark perhaps. > - 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 > diff --git a/include/dt-bindings/mfd/arizona.h b/include/dt-bindings/mfd/arizona.h > index c40f665..dedf46f 100644 > --- a/include/dt-bindings/mfd/arizona.h > +++ b/include/dt-bindings/mfd/arizona.h > @@ -110,4 +110,9 @@ > #define ARIZONA_ACCDET_MODE_HPM 4 > #define ARIZONA_ACCDET_MODE_ADC 7 > > +#define ARIZONA_GPSW_OPEN 0 > +#define ARIZONA_GPSW_CLOSED 1 > +#define ARIZONA_GPSW_CLAMP_ENABLED 2 > +#define ARIZONA_GPSW_CLAMP_DISABLED 3 > + > #endif -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
