diff options
author | Takashi Iwai <tiwai@suse.de> | 2022-12-22 11:11:48 +0300 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2022-12-22 11:11:48 +0300 |
commit | 2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b (patch) | |
tree | f711bc9cab45f4963e4883ef15ff4c54a6cbc12e /Documentation/devicetree/bindings/sound/dmic-codec.yaml | |
parent | b47068b4aa53a57552398e3f60d0ed1918700c2b (diff) | |
parent | ee0b089d660021792e4ab4dda191b097ce1e964f (diff) | |
download | linux-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.tar.xz |
Merge branch 'for-next' into for-linus
Diffstat (limited to 'Documentation/devicetree/bindings/sound/dmic-codec.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/sound/dmic-codec.yaml | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/dmic-codec.yaml b/Documentation/devicetree/bindings/sound/dmic-codec.yaml new file mode 100644 index 000000000000..59ef0cf6b6e5 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/dmic-codec.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/dmic-codec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic PDM Digital microphone (DMIC) codec + +maintainers: + - Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + const: dmic-codec + + '#sound-dai-cells': + const: 0 + + dmicen-gpios: + description: GPIO specifier for DMIC to control start and stop + maxItems: 1 + + num-channels: + description: Number of microphones on this DAI + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 8 + default: 8 + + modeswitch-delay-ms: + description: Delay (in ms) to complete DMIC mode switch + + wakeup-delay-ms: + description: Delay (in ms) after enabling the DMIC + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + dmic { + compatible = "dmic-codec"; + dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>; + num-channels = <1>; + wakeup-delay-ms = <50>; + modeswitch-delay-ms = <35>; + }; +... |