501 lines
14 KiB
YAML
501 lines
14 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/simple-card.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Simple Audio Card Driver
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maintainers:
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- Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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definitions:
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frame-master:
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description: Indicates dai-link frame master.
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$ref: /schemas/types.yaml#/definitions/phandle
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bitclock-master:
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description: Indicates dai-link bit clock master
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$ref: /schemas/types.yaml#/definitions/phandle
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frame-inversion:
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description: dai-link uses frame clock inversion
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$ref: /schemas/types.yaml#/definitions/flag
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bitclock-inversion:
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description: dai-link uses bit clock inversion
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$ref: /schemas/types.yaml#/definitions/flag
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dai-tdm-slot-num:
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description: see tdm-slot.txt.
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$ref: /schemas/types.yaml#/definitions/uint32
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dai-tdm-slot-width:
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description: see tdm-slot.txt.
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$ref: /schemas/types.yaml#/definitions/uint32
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system-clock-frequency:
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description: |
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If a clock is specified and a multiplication factor is given with
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mclk-fs, the clock will be set to the calculated mclk frequency
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when the stream starts.
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$ref: /schemas/types.yaml#/definitions/uint32
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system-clock-direction-out:
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description: |
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specifies clock direction as 'out' on initialization.
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It is useful for some aCPUs with fixed clocks.
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$ref: /schemas/types.yaml#/definitions/flag
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system-clock-fixed:
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description: |
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Specifies that the clock frequency should not be modified.
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Implied when system-clock-frequency is specified, but can be used when
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a clock is mapped to the device whose frequency cannot or should not be
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changed. When mclk-fs is also specified, this restricts the device to a
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single fixed sampling rate.
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$ref: /schemas/types.yaml#/definitions/flag
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mclk-fs:
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description: |
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Multiplication factor between stream rate and codec mclk.
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When defined, mclk-fs property defined in dai-link sub nodes are ignored.
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$ref: /schemas/types.yaml#/definitions/uint32
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aux-devs:
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description: |
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List of phandles pointing to auxiliary devices, such
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as amplifiers, to be added to the sound card.
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$ref: /schemas/types.yaml#/definitions/phandle-array
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convert-rate:
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description: CPU to Codec rate convert.
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$ref: /schemas/types.yaml#/definitions/uint32
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convert-channels:
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description: CPU to Codec rate channels.
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$ref: /schemas/types.yaml#/definitions/uint32
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prefix:
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description: "device name prefix"
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$ref: /schemas/types.yaml#/definitions/string
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label:
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maxItems: 1
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routing:
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description: |
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A list of the connections between audio components.
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Each entry is a pair of strings, the first being the
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connection's sink, the second being the connection's source.
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$ref: /schemas/types.yaml#/definitions/non-unique-string-array
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widgets:
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description: User specified audio sound widgets.
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$ref: /schemas/types.yaml#/definitions/non-unique-string-array
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pin-switches:
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description: the widget names for which pin switches must be created.
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$ref: /schemas/types.yaml#/definitions/string-array
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format:
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description: audio format.
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items:
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enum:
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- i2s
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- right_j
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- left_j
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- dsp_a
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- dsp_b
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- ac97
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- pdm
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- msb
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- lsb
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dai:
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type: object
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properties:
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sound-dai:
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maxItems: 1
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# common properties
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mclk-fs:
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$ref: "#/definitions/mclk-fs"
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prefix:
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$ref: "#/definitions/prefix"
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frame-inversion:
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$ref: "#/definitions/frame-inversion"
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bitclock-inversion:
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$ref: "#/definitions/bitclock-inversion"
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frame-master:
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$ref: /schemas/types.yaml#/definitions/flag
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bitclock-master:
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$ref: /schemas/types.yaml#/definitions/flag
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dai-tdm-slot-num:
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$ref: "#/definitions/dai-tdm-slot-num"
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dai-tdm-slot-width:
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$ref: "#/definitions/dai-tdm-slot-width"
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clocks:
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maxItems: 1
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system-clock-frequency:
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$ref: "#/definitions/system-clock-frequency"
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system-clock-direction-out:
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$ref: "#/definitions/system-clock-direction-out"
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system-clock-fixed:
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$ref: "#/definitions/system-clock-fixed"
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required:
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- sound-dai
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properties:
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compatible:
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contains:
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enum:
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- simple-audio-card
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- simple-scu-audio-card
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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label:
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$ref: "#/definitions/label"
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simple-audio-card,name:
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description: User specified audio sound card name.
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$ref: /schemas/types.yaml#/definitions/string
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simple-audio-card,widgets:
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$ref: "#/definitions/widgets"
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simple-audio-card,routing:
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$ref: "#/definitions/routing"
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# common properties
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simple-audio-card,frame-master:
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$ref: "#/definitions/frame-master"
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simple-audio-card,bitclock-master:
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$ref: "#/definitions/bitclock-master"
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simple-audio-card,frame-inversion:
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$ref: "#/definitions/frame-inversion"
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simple-audio-card,bitclock-inversion:
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$ref: "#/definitions/bitclock-inversion"
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simple-audio-card,format:
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$ref: "#/definitions/format"
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simple-audio-card,mclk-fs:
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$ref: "#/definitions/mclk-fs"
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simple-audio-card,aux-devs:
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$ref: "#/definitions/aux-devs"
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simple-audio-card,convert-rate:
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$ref: "#/definitions/convert-rate"
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simple-audio-card,convert-channels:
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$ref: "#/definitions/convert-channels"
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simple-audio-card,prefix:
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$ref: "#/definitions/prefix"
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simple-audio-card,pin-switches:
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$ref: "#/definitions/pin-switches"
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simple-audio-card,hp-det-gpio:
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maxItems: 1
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simple-audio-card,mic-det-gpio:
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maxItems: 1
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patternProperties:
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"^simple-audio-card,cpu(@[0-9a-f]+)?$":
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$ref: "#/definitions/dai"
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"^simple-audio-card,codec(@[0-9a-f]+)?$":
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$ref: "#/definitions/dai"
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"^simple-audio-card,dai-link(@[0-9a-f]+)?$":
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description: |
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Container for dai-link level properties and the CPU and CODEC sub-nodes.
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This container may be omitted when the card has only one DAI link.
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type: object
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properties:
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reg:
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maxItems: 1
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# common properties
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frame-master:
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$ref: "#/definitions/frame-master"
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bitclock-master:
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$ref: "#/definitions/bitclock-master"
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frame-inversion:
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$ref: "#/definitions/frame-inversion"
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bitclock-inversion:
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$ref: "#/definitions/bitclock-inversion"
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format:
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$ref: "#/definitions/format"
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mclk-fs:
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$ref: "#/definitions/mclk-fs"
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aux-devs:
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$ref: "#/definitions/aux-devs"
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convert-rate:
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$ref: "#/definitions/convert-rate"
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convert-channels:
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$ref: "#/definitions/convert-channels"
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prefix:
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$ref: "#/definitions/prefix"
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pin-switches:
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$ref: "#/definitions/pin-switches"
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hp-det-gpio:
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maxItems: 1
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mic-det-gpio:
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maxItems: 1
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patternProperties:
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"^cpu(@[0-9a-f]+)?":
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$ref: "#/definitions/dai"
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"^codec(@[0-9a-f]+)?":
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$ref: "#/definitions/dai"
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additionalProperties: false
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required:
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- compatible
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additionalProperties: false
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examples:
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#--------------------
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# single DAI link
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#--------------------
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- |
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sound {
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compatible = "simple-audio-card";
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simple-audio-card,name = "VF610-Tower-Sound-Card";
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simple-audio-card,format = "left_j";
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simple-audio-card,bitclock-master = <&dailink0_master>;
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simple-audio-card,frame-master = <&dailink0_master>;
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simple-audio-card,widgets =
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"Microphone", "Microphone Jack",
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"Headphone", "Headphone Jack",
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"Speaker", "External Speaker";
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simple-audio-card,routing =
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"MIC_IN", "Microphone Jack",
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"Headphone Jack", "HP_OUT",
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"External Speaker", "LINE_OUT";
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simple-audio-card,cpu {
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sound-dai = <&sh_fsi2 0>;
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};
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dailink0_master: simple-audio-card,codec {
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sound-dai = <&ak4648>;
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clocks = <&osc>;
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};
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};
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#--------------------
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# Multi DAI links
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#--------------------
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- |
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sound {
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compatible = "simple-audio-card";
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simple-audio-card,name = "Cubox Audio";
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#address-cells = <1>;
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#size-cells = <0>;
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simple-audio-card,dai-link@0 { /* I2S - HDMI */
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reg = <0>;
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format = "i2s";
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cpu {
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sound-dai = <&audio0>;
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};
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codec {
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sound-dai = <&tda998x0>;
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};
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};
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simple-audio-card,dai-link@1 { /* S/PDIF - HDMI */
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reg = <1>;
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cpu {
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sound-dai = <&audio1>;
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};
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codec {
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sound-dai = <&tda998x1>;
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};
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};
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simple-audio-card,dai-link@2 { /* S/PDIF - S/PDIF */
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reg = <2>;
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cpu {
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sound-dai = <&audio2>;
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};
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codec {
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sound-dai = <&spdif_codec>;
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};
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};
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};
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#--------------------
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# route audio from IMX6 SSI2 through TLV320DAC3100 codec
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# through TPA6130A2 amplifier to headphones:
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#--------------------
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- |
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sound {
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compatible = "simple-audio-card";
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simple-audio-card,widgets =
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"Headphone", "Headphone Jack";
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simple-audio-card,routing =
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"Headphone Jack", "HPLEFT",
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"Headphone Jack", "HPRIGHT",
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"LEFTIN", "HPL",
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"RIGHTIN", "HPR";
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simple-audio-card,aux-devs = <&>;
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simple-audio-card,cpu {
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sound-dai = <&ssi2>;
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};
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simple-audio-card,codec {
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sound-dai = <&codec>;
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clocks = <&clocks>;
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};
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};
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#--------------------
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# Sampling Rate Conversion
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#--------------------
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- |
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sound {
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compatible = "simple-audio-card";
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simple-audio-card,name = "rsnd-ak4643";
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simple-audio-card,format = "left_j";
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simple-audio-card,bitclock-master = <&sndcodec>;
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simple-audio-card,frame-master = <&sndcodec>;
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simple-audio-card,convert-rate = <48000>;
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simple-audio-card,prefix = "ak4642";
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simple-audio-card,routing = "ak4642 Playback", "DAI0 Playback",
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"DAI0 Capture", "ak4642 Capture";
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sndcpu: simple-audio-card,cpu {
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sound-dai = <&rcar_sound>;
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};
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sndcodec: simple-audio-card,codec {
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sound-dai = <&ak4643>;
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system-clock-frequency = <11289600>;
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};
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};
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#--------------------
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# 2 CPU 1 Codec (Mixing)
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#--------------------
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- |
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sound {
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compatible = "simple-audio-card";
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#address-cells = <1>;
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#size-cells = <0>;
|
||
|
|
|
||
|
|
simple-audio-card,name = "rsnd-ak4643";
|
||
|
|
simple-audio-card,format = "left_j";
|
||
|
|
simple-audio-card,bitclock-master = <&dpcmcpu>;
|
||
|
|
simple-audio-card,frame-master = <&dpcmcpu>;
|
||
|
|
|
||
|
|
simple-audio-card,convert-rate = <48000>;
|
||
|
|
simple-audio-card,convert-channels = <2>;
|
||
|
|
|
||
|
|
simple-audio-card,routing = "ak4642 Playback", "DAI0 Playback",
|
||
|
|
"ak4642 Playback", "DAI1 Playback";
|
||
|
|
|
||
|
|
dpcmcpu: simple-audio-card,cpu@0 {
|
||
|
|
reg = <0>;
|
||
|
|
sound-dai = <&rcar_sound 0>;
|
||
|
|
};
|
||
|
|
|
||
|
|
simple-audio-card,cpu@1 {
|
||
|
|
reg = <1>;
|
||
|
|
sound-dai = <&rcar_sound 1>;
|
||
|
|
};
|
||
|
|
|
||
|
|
simple-audio-card,codec {
|
||
|
|
prefix = "ak4642";
|
||
|
|
sound-dai = <&ak4643>;
|
||
|
|
clocks = <&audio_clock>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
#--------------------
|
||
|
|
# Multi DAI links with DPCM:
|
||
|
|
#
|
||
|
|
# CPU0 ------ ak4613
|
||
|
|
# CPU1 ------ PCM3168A-p /* DPCM 1ch/2ch */
|
||
|
|
# CPU2 --/ /* DPCM 3ch/4ch */
|
||
|
|
# CPU3 --/ /* DPCM 5ch/6ch */
|
||
|
|
# CPU4 --/ /* DPCM 7ch/8ch */
|
||
|
|
# CPU5 ------ PCM3168A-c
|
||
|
|
#--------------------
|
||
|
|
- |
|
||
|
|
sound {
|
||
|
|
compatible = "simple-audio-card";
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
|
||
|
|
simple-audio-card,routing =
|
||
|
|
"pcm3168a Playback", "DAI1 Playback",
|
||
|
|
"pcm3168a Playback", "DAI2 Playback",
|
||
|
|
"pcm3168a Playback", "DAI3 Playback",
|
||
|
|
"pcm3168a Playback", "DAI4 Playback";
|
||
|
|
|
||
|
|
simple-audio-card,dai-link@0 {
|
||
|
|
reg = <0>;
|
||
|
|
format = "left_j";
|
||
|
|
bitclock-master = <&sndcpu0>;
|
||
|
|
frame-master = <&sndcpu0>;
|
||
|
|
|
||
|
|
sndcpu0: cpu {
|
||
|
|
sound-dai = <&rcar_sound 0>;
|
||
|
|
};
|
||
|
|
codec {
|
||
|
|
sound-dai = <&ak4613>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
simple-audio-card,dai-link@1 {
|
||
|
|
reg = <1>;
|
||
|
|
format = "i2s";
|
||
|
|
bitclock-master = <&sndcpu1>;
|
||
|
|
frame-master = <&sndcpu1>;
|
||
|
|
|
||
|
|
convert-channels = <8>; /* TDM Split */
|
||
|
|
|
||
|
|
sndcpu1: cpu0 {
|
||
|
|
sound-dai = <&rcar_sound 1>;
|
||
|
|
};
|
||
|
|
cpu1 {
|
||
|
|
sound-dai = <&rcar_sound 2>;
|
||
|
|
};
|
||
|
|
cpu2 {
|
||
|
|
sound-dai = <&rcar_sound 3>;
|
||
|
|
};
|
||
|
|
cpu3 {
|
||
|
|
sound-dai = <&rcar_sound 4>;
|
||
|
|
};
|
||
|
|
codec {
|
||
|
|
mclk-fs = <512>;
|
||
|
|
prefix = "pcm3168a";
|
||
|
|
dai-tdm-slot-num = <8>;
|
||
|
|
sound-dai = <&pcm3168a 0>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
simple-audio-card,dai-link@2 {
|
||
|
|
reg = <2>;
|
||
|
|
format = "i2s";
|
||
|
|
bitclock-master = <&sndcpu2>;
|
||
|
|
frame-master = <&sndcpu2>;
|
||
|
|
|
||
|
|
sndcpu2: cpu {
|
||
|
|
sound-dai = <&rcar_sound 5>;
|
||
|
|
};
|
||
|
|
codec {
|
||
|
|
mclk-fs = <512>;
|
||
|
|
prefix = "pcm3168a";
|
||
|
|
sound-dai = <&pcm3168a 1>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|