diff options
| author | Richard Fitzgerald <rf@opensource.cirrus.com> | 2022-04-05 14:54:18 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-04-05 18:27:58 +0100 |
| commit | 72661ff7662acc00d51976d4b2d2d13eb5628385 (patch) | |
| tree | d7ee4f8f6822c3c709bfd8064481621224017acb /Documentation | |
| parent | 89342fa38bbaade51584f255eee5cd43621f4e10 (diff) | |
ASoC: dt-bindings: cs35l45: Cirrus Logic CS35L45 Smart Amp
This adds the schema binding for the Cirrus Logic CS35L45 Smart Amp
and associated header file.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220405135419.1230088-5-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml new file mode 100644 index 000000000000..184a1344ea76 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/cirrus,cs35l45.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus Logic CS35L45 Speaker Amplifier + +maintainers: + - Ricardo Rivera-Matos <rriveram@opensource.cirrus.com> + - Richard Fitzgerald <rf@opensource.cirrus.com> + +description: | + CS35L45 is a Boosted Mono Class D Amplifier with DSP + Speaker Protection and Adaptive Battery Management. + +properties: + compatible: + enum: + - cirrus,cs35l45 + + reg: + maxItems: 1 + + '#sound-dai-cells': + const: 1 + + reset-gpios: + maxItems: 1 + + vdd-a-supply: + description: voltage regulator phandle for the VDD_A supply + + vdd-batt-supply: + description: voltage regulator phandle for the VDD_BATT supply + + spi-max-frequency: + maximum: 5000000 + + cirrus,asp-sdout-hiz-ctrl: + description: + Audio serial port SDOUT Hi-Z control. Sets the Hi-Z + configuration for SDOUT pin of amplifier. Logical OR of + CS35L45_ASP_TX_HIZ_xxx values. + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 0 + maximum: 3 + default: 2 + +required: + - compatible + - reg + - "#sound-dai-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/sound/cs35l45.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + cs35l45: cs35l45@2 { + #sound-dai-cells = <1>; + compatible = "cirrus,cs35l45"; + reg = <2>; + spi-max-frequency = <5000000>; + vdd-a-supply = <&dummy_vreg>; + vdd-batt-supply = <&dummy_vreg>; + reset-gpios = <&gpio 110 0>; + cirrus,asp-sdout-hiz-ctrl = <(CS35L45_ASP_TX_HIZ_UNUSED | + CS35L45_ASP_TX_HIZ_DISABLED)>; + }; + }; |