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Diffstat (limited to 'Documentation/devicetree/bindings/sound/wlf,arizona.yaml')
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diff --git a/Documentation/devicetree/bindings/sound/wlf,arizona.yaml b/Documentation/devicetree/bindings/sound/wlf,arizona.yaml new file mode 100644 index 000000000..1627c0bb6 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/wlf,arizona.yaml @@ -0,0 +1,116 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/wlf,arizona.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus Logic/Wolfson Microelectronics Arizona class audio SoCs + +maintainers: + - patches@opensource.cirrus.com + +description: | + These devices are audio SoCs with extensive digital capabilities and a range + of analogue I/O. + + This document lists sound specific bindings, see the primary binding + document ../mfd/arizona.yaml + +properties: + '#sound-dai-cells': + description: + The first cell indicating the audio interface. + const: 1 + + wlf,inmode: + description: + A list of INn_MODE register values, where n is the number of input + signals. Valid values are 0 (Differential), 1 (Single-ended) and + 2 (Digital Microphone). If absent, INn_MODE registers set to 0 by + default. If present, values must be specified less than or equal + to the number of input signals. If values less than the number of + input signals, elements that have not been specified are set to 0 by + default. Entries are <IN1, IN2, IN3, IN4> (wm5102, wm5110, wm8280, + wm8997) and <IN1A, IN2A, IN1B, IN2B> (wm8998, wm1814) + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 4 + items: + minimum: 0 + maximum: 2 + default: 0 + + wlf,out-mono: + description: + A list of boolean values indicating whether each output is mono + or stereo. Position within the list indicates the output affected + (eg. First entry in the list corresponds to output 1). A non-zero + value indicates a mono output. If present, the number of values + should be less than or equal to the number of outputs, if less values + are supplied the additional outputs will be treated as stereo. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 6 + items: + minimum: 0 + maximum: 1 + default: 0 + + wlf,dmic-ref: + description: + DMIC reference voltage source for each input, can be selected from + either MICVDD or one of the MICBIAS's, defines (ARIZONA_DMIC_xxxx) + are provided in dt-bindings/mfd/arizona.h. If present, the number + of values should be less than or equal to the number of inputs, + unspecified inputs will use the chip default. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 4 + items: + minimum: 0 + maximum: 3 + default: 0 + + wlf,max-channels-clocked: + description: + The maximum number of channels to be clocked on each AIF, useful for + I2S systems with multiple data lines being mastered. Specify one + cell for each AIF to be configured, specify zero for AIFs that should + be handled normally. If present, number of cells must be less than + or equal to the number of AIFs. If less than the number of AIFs, for + cells that have not been specified the corresponding AIFs will be + treated as default setting. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 3 + items: + default: 0 + + wlf,spk-fmt: + description: + PDM speaker data format, must contain 2 cells (OUT5 and OUT6). See + the datasheet for values. The second cell is ignored for codecs that + do not have OUT6 (wm5102, wm8997, wm8998, wm1814) + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + + wlf,spk-mute: + description: + PDM speaker mute setting, must contain 2 cells (OUT5 and OUT6). See + the datasheet for values. The second cell is ignored for codecs that + do not have OUT6 (wm5102, wm8997, wm8998, wm1814) + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + + wlf,out-volume-limit: + description: + The volume limit value that should be applied to each output + channel. See the datasheet for exact values. Channels are specified + in the order OUT1L, OUT1R, OUT2L, OUT2R, etc. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 12 + +additionalProperties: true |