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 --- .../bindings/sound/cirrus,cs35l45.yaml | 75 +++++++++++++++++++ MAINTAINERS | 2 + include/dt-bindings/sound/cs35l45.h | 20 +++++ 3 files changed, 97 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml create mode 100644 include/dt-bindings/sound/cs35l45.h
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)>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index fd768d43e048..0c5971c3dd9e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4688,10 +4688,12 @@ CIRRUS LOGIC AUDIO CODEC DRIVERS M: James Schulman james.schulman@cirrus.com M: David Rhodes david.rhodes@cirrus.com M: Lucas Tanure tanureal@opensource.cirrus.com +M: Richard Fitzgerald rf@opensource.cirrus.com L: alsa-devel@alsa-project.org (moderated for non-subscribers) L: patches@opensource.cirrus.com S: Maintained F: Documentation/devicetree/bindings/sound/cirrus,cs* +F: include/dt-bindings/sound/cs* F: sound/pci/hda/cs* F: sound/soc/codecs/cs*
diff --git a/include/dt-bindings/sound/cs35l45.h b/include/dt-bindings/sound/cs35l45.h new file mode 100644 index 000000000000..076da4b2c28d --- /dev/null +++ b/include/dt-bindings/sound/cs35l45.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* + * cs35l45.h -- CS35L45 ALSA SoC audio driver DT bindings header + * + * Copyright 2022 Cirrus Logic, Inc. + */ + +#ifndef DT_CS35L45_H +#define DT_CS35L45_H + +/* + * cirrus,asp-sdout-hiz-ctrl + * + * TX_HIZ_UNUSED: TX pin high-impedance during unused slots. + * TX_HIZ_DISABLED: TX pin high-impedance when all channels disabled. + */ +#define CS35L45_ASP_TX_HIZ_UNUSED 0x1 +#define CS35L45_ASP_TX_HIZ_DISABLED 0x2 + +#endif /* DT_CS35L45_H */