diff options
| author | Ricard Wanderlof <ricard.wanderlof@axis.com> | 2024-06-07 17:22:04 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-06-18 14:21:03 +0100 |
| commit | 4e617f0cb2dd9675a3b2707c10d89f0f5303ad1e (patch) | |
| tree | 2794ce3613efcb3b781abeb88537db0974f69e10 /Documentation/devicetree/bindings/sound | |
| parent | 195815c2755d70df92f46e6d737cd677db7adeef (diff) | |
ASoC: dt-bindings: tlv320adc3xxx: Add MICBIAS-as-GPO properties
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>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://msgid.link/r/20240607-tlv320adc3xxx-micbias-gpo-v3-1-59dbec8b98f4@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml b/Documentation/devicetree/bindings/sound/ti,tlv320adc3xxx.yaml index 8ac741f4cd56..66b76656229f 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,micbias2-vg property. When deactivated, the pin will + float. + ti,micbias1-vg: $ref: /schemas/types.yaml#/definitions/uint32 enum: @@ -104,6 +124,10 @@ properties: description: | Mic bias voltage output on MICBIAS2 pin +dependencies: + ti,micbias1-gpo: ['ti,micbias1-vg'] + ti,micbias2-gpo: ['ti,micbias2-vg'] + required: - compatible - reg |