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Diffstat (limited to 'Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.yaml')
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diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.yaml b/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.yaml new file mode 100644 index 0000000000..5db718e4d0 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.yaml @@ -0,0 +1,174 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/amlogic,axg-sound-card.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic AXG sound card + +maintainers: + - Jerome Brunet <jbrunet@baylibre.com> + +allOf: + - $ref: sound-card-common.yaml# + +properties: + compatible: + const: amlogic,axg-sound-card + + audio-aux-devs: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: list of auxiliary devices + + audio-widgets: + $ref: /schemas/types.yaml#/definitions/non-unique-string-array + description: + A list off component DAPM widget. Each entry is a pair of strings, + the first being the widget type, the second being the widget name + +patternProperties: + "^dai-link-[0-9]+$": + type: object + additionalProperties: false + description: + Container for dai-link level properties and the CODEC sub-nodes. + There should be at least one (and probably more) subnode of this type + + properties: + dai-format: + $ref: /schemas/types.yaml#/definitions/string + enum: [ i2s, left-j, dsp_a ] + + dai-tdm-slot-num: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Number of slots in use. If omitted, slot number is set to + accommodate the largest mask provided. + maximum: 32 + + dai-tdm-slot-width: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Width in bits for each slot + enum: [ 8, 16, 20, 24, 32 ] + default: 32 + + mclk-fs: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Multiplication factor between the frame rate and master clock + rate + + sound-dai: + maxItems: 1 + description: phandle of the CPU DAI + + patternProperties: + "^dai-tdm-slot-(t|r)x-mask-[0-3]$": + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 32 + description: + Transmit and receive cpu slot masks of each TDM lane + When omitted, mask is assumed to have to no slots. A valid + interface must have at least one slot, so at least one these + mask should be provided with an enabled slot. + + "^codec(-[0-9]+)?$": + type: object + additionalProperties: false + description: + dai-link representing backend links should have at least one subnode. + One subnode for each codec of the dai-link. dai-link representing + frontend links have no codec, therefore have no subnodes + + properties: + sound-dai: + maxItems: 1 + description: phandle of the codec DAI + + patternProperties: + "^dai-tdm-slot-(t|r)x-mask$": + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 32 + description: Transmit and receive codec slot masks + + required: + - sound-dai + + required: + - sound-dai + +required: + - dai-link-0 + +unevaluatedProperties: false + +examples: + - | + sound { + compatible = "amlogic,axg-sound-card"; + model = "AXG-S420"; + audio-aux-devs = <&tdmin_a>, <&tdmout_c>; + audio-widgets = "Line", "Lineout", + "Line", "Linein", + "Speaker", "Speaker1 Left", + "Speaker", "Speaker1 Right", + "Speaker", "Speaker2 Left", + "Speaker", "Speaker2 Right"; + audio-routing = "TDMOUT_C IN 0", "FRDDR_A OUT 2", + "SPDIFOUT IN 0", "FRDDR_A OUT 3", + "TDM_C Playback", "TDMOUT_C OUT", + "TDMIN_A IN 2", "TDM_C Capture", + "TDMIN_A IN 5", "TDM_C Loopback", + "TODDR_A IN 0", "TDMIN_A OUT", + "Lineout", "Lineout AOUTL", + "Lineout", "Lineout AOUTR", + "Speaker1 Left", "SPK1 OUT_A", + "Speaker2 Left", "SPK2 OUT_A", + "Speaker1 Right", "SPK1 OUT_B", + "Speaker2 Right", "SPK2 OUT_B", + "Linein AINL", "Linein", + "Linein AINR", "Linein"; + + dai-link-0 { + sound-dai = <&frddr_a>; + }; + + dai-link-1 { + sound-dai = <&toddr_a>; + }; + + dai-link-2 { + sound-dai = <&tdmif_c>; + dai-format = "i2s"; + dai-tdm-slot-tx-mask-2 = <1 1>; + dai-tdm-slot-tx-mask-3 = <1 1>; + dai-tdm-slot-rx-mask-1 = <1 1>; + mclk-fs = <256>; + + codec-0 { + sound-dai = <&lineout>; + }; + + codec-1 { + sound-dai = <&speaker_amp1>; + }; + + codec-2 { + sound-dai = <&speaker_amp2>; + }; + + codec-3 { + sound-dai = <&linein>; + }; + }; + + dai-link-3 { + sound-dai = <&spdifout>; + + codec { + sound-dai = <&spdif_dit>; + }; + }; + }; |