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| author | Daniel Beer <daniel.beer@igorinstitute.com> | 2022-01-16 04:56:27 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-01-24 16:31:25 +0300 |
| commit | b8aec7a4a01b75973c22f004377a48593a3fef03 (patch) | |
| tree | 866af13bca4f65aa0b6165d8d3f0a801af74b8d6 | |
| parent | ec45268467f4c4a523fc4a8c212d25e3b85261e9 (diff) | |
| download | linux-b8aec7a4a01b75973c22f004377a48593a3fef03.tar.xz | |
ASoC: dt-bindings: add bindings for TI TAS5805M.
The TAS5805M is a class D speaker amplifier with integrated DSP.
Configuration must be generated by TI's PPC3 tool and supplied as a
firmware image.
Signed-off-by: Daniel Beer <daniel.beer@igorinstitute.com>
Link: https://lore.kernel.org/r/e271d381dcf1c6036a2a22bab6ab72654455aa58.1642298336.git.daniel.beer@igorinstitute.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/sound/tas5805m.yaml | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/tas5805m.yaml b/Documentation/devicetree/bindings/sound/tas5805m.yaml new file mode 100644 index 000000000000..3aade02d8a96 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tas5805m.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/tas5805m.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TAS5805M audio amplifier + +maintainers: + - Daniel Beer <daniel.beer@igorinstitute.com> + +description: | + The TAS5805M is a class D audio amplifier with a built-in DSP. + +properties: + compatible: + enum: + - ti,tas5805m + + reg: + maxItems: 1 + description: | + I2C address of the amplifier. See the datasheet for possible values. + + pvdd-supply: + description: | + Regulator for audio power supply (PVDD in the datasheet). + + pdn-gpios: + description: | + Power-down control GPIO (PDN pin in the datasheet). + + ti,dsp-config-name: + description: | + The name of the DSP configuration that should be loaded for this + instance. Configuration blobs are sequences of register writes + generated from TI's PPC3 tool. + $ref: /schemas/types.yaml#/definitions/string + +examples: + - | + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + tas5805m: tas5805m@2c { + reg = <0x2c>; + compatible = "ti,tas5805m"; + + pvdd-supply = <&audiopwr>; + pdn-gpios = <&tlmm 160 0>; + + ti,dsp-config-name = "mono_pbtl_48khz"; + }; + }; + +additionalProperties: true |