| Message ID | 20240529-tlv320adc3xxx-micbias-gpo-v1-1-300d39cecc55@axis.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | tlv320adc3xxx: Allow MICBIAS pins to be used as GPOs | expand |
yOn Wed, May 29, 2024 at 06:33:44PM +0200, Ricard Wanderlof wrote: > Add properties for configuring the MICBIAS pins as general purpose > outputs, with some limitations: The voltage on the pin when activated > may be set using another property to 2.0 V, 2.5 V or AVDD. > When deactivated the pin will float. > > Signed-off-by: Ricard Wanderlof <ricard.wanderlof@axis.com> > --- > .../devicetree/bindings/sound/ti,tlv320adc3xxx.yaml | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml b/Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml > index ede14ca2c07a..4172aced1386 100644 > --- a/Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml > +++ b/Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml > @@ -82,6 +82,26 @@ properties: > Note that there is currently no support for reading the GPIO pins as > inputs. > > + ti,micbias1-gpo: > + type: boolean > + description: | > + When set, the MICBIAS1 pin may be controlled via the GPIO framework, > + as pin number 3 on the device. > + > + In this mode, when the pin is activated, it will be set to the voltage > + specified by the ti,micbias1-vg property. When deactivated, the pin will > + float. > + > + ti,micbias2-gpo: > + type: boolean > + description: | > + When set, the MICBIAS2 pin may be controlled via the GPIO framework, > + as pin number 4 on the device. > + > + In this mode, when the pin is activated, it will be set to the voltage > + specified by the ti,micbias1-vg property. When deactivated, the pin will > + float. Typo and sounds like a dependency between properties: dependencies: ti,micbias2-gpio: [ti,micbias2-vg] > + > ti,micbias1-vg: > $ref: /schemas/types.yaml#/definitions/uint32 > enum: > > -- > 2.30.2 >
diff --git a/Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml b/Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml index ede14ca2c07a..4172aced1386 100644 --- a/Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml +++ b/Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml @@ -82,6 +82,26 @@ properties: Note that there is currently no support for reading the GPIO pins as inputs. + ti,micbias1-gpo: + type: boolean + description: | + When set, the MICBIAS1 pin may be controlled via the GPIO framework, + as pin number 3 on the device. + + In this mode, when the pin is activated, it will be set to the voltage + specified by the ti,micbias1-vg property. When deactivated, the pin will + float. + + ti,micbias2-gpo: + type: boolean + description: | + When set, the MICBIAS2 pin may be controlled via the GPIO framework, + as pin number 4 on the device. + + In this mode, when the pin is activated, it will be set to the voltage + specified by the ti,micbias1-vg property. When deactivated, the pin will + float. + ti,micbias1-vg: $ref: /schemas/types.yaml#/definitions/uint32 enum:
Add properties for configuring the MICBIAS pins as general purpose outputs, with some limitations: The voltage on the pin when activated may be set using another property to 2.0 V, 2.5 V or AVDD. When deactivated the pin will float. Signed-off-by: Ricard Wanderlof <ricard.wanderlof@axis.com> --- .../devicetree/bindings/sound/ti,tlv320adc3xxx.yaml | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)