Re: [PATCH v3] ASoC: dt-bindings: simple-card: switch to yaml base Documentation

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On Mon, Mar 16, 2020 at 02:24:50PM +0900, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> 
> This patch switches from .txt base to .yaml base Document.
> This patch is assuming that "sound-dai" is already defined.
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> ---
> v2 -> v3
> 
> 	- uses maxItems for many place which were already defined.
> 	- assuming that "sound-dai" is already defined
> 	- (@.*) -> (@[0-9a-f]+)
> 
>  .../devicetree/bindings/sound/simple-card.txt | 351 -------------
>  .../bindings/sound/simple-card.yaml           | 487 ++++++++++++++++++
>  2 files changed, 487 insertions(+), 351 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/sound/simple-card.txt
>  create mode 100644 Documentation/devicetree/bindings/sound/simple-card.yaml

> diff --git a/Documentation/devicetree/bindings/sound/simple-card.yaml b/Documentation/devicetree/bindings/sound/simple-card.yaml
> new file mode 100644
> index 000000000000..cd5ea50daa22
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/simple-card.yaml
> @@ -0,0 +1,487 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/simple-card.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Simple Audio Card Driver Device Tree Bindings
> +
> +maintainers:
> +  - Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> +
> +definitions:
> +
> +  frame-master:
> +    description: Indicates dai-link frame master.
> +    allOf:
> +      - $ref: /schemas/types.yaml#/definitions/phandle-array
> +      - maxItems: 1
> +
> +  bitclock-master:
> +    description: Indicates dai-link bit clock master
> +    allOf:
> +      - $ref: /schemas/types.yaml#/definitions/phandle-array
> +      - maxItems: 1
> +
> +  frame-inversion:
> +    description: dai-link uses frame clock inversion
> +    $ref: /schemas/types.yaml#/definitions/flag
> +
> +  bitclock-inversion:
> +    description: dai-link uses bit clock inversion
> +    $ref: /schemas/types.yaml#/definitions/flag
> +
> +  dai-tdm-slot-num:
> +    description: see tdm-slot.txt.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +
> +  dai-tdm-slot-width:
> +    description: see tdm-slot.txt.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +
> +  clocks:
> +    maxItems: 1

Only used in one place, just move there.

> +
> +  system-clock-frequency:
> +    description: |
> +      If a clock is specified and a multiplication factor is given with
> +      mclk-fs, the clock will be set to the calculated mclk frequency
> +      when the stream starts.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +
> +  system-clock-direction-out:
> +    description: |
> +      specifies clock direction as 'out' on initialization.
> +      It is useful for some aCPUs with fixed clocks.
> +    $ref: /schemas/types.yaml#/definitions/flag
> +
> +  mclk-fs:
> +    description: |
> +      Multiplication factor between stream rate and codec mclk.
> +      When defined, mclk-fs property defined in dai-link sub nodes are ignored.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +
> +  aux-devs:
> +    description: |
> +      List of phandles pointing to auxiliary devices, such
> +      as amplifiers, to be added to the sound card.
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +
> +  convert-rate:
> +    description: CPU to Codec rate convert.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +
> +  convert-channels:
> +    description: CPU to Codec rate channels.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +
> +  prefix:
> +    description: "device name prefix"
> +    $ref: /schemas/types.yaml#/definitions/string
> +
> +  label:
> +    maxItems: 1
> +
> +  routing:
> +    description: |
> +      A list of the connections between audio components.
> +      Each entry is a pair of strings, the first being the
> +      connection's sink, the second being the connection's source.
> +    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
> +
> +  widgets:
> +    description: User specified audio sound widgets.
> +    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
> +
> +  pin-switches:
> +    description: the widget names for which pin switches must be created.
> +    $ref: /schemas/types.yaml#/definitions/string-array
> +
> +  format:
> +    description: audio format.
> +    items:
> +      enum:
> +        - i2s
> +        - right_j
> +        - left_j
> +        - dsp_a
> +        - dsp_b
> +        - ac97
> +        - pdm
> +        - msb
> +        - lsb
> +
> +  dai:
> +    type: object
> +    properties:
> +      sound-dai:
> +        maxItems: 1
> +
> +      # common properties
> +      mclk-fs:
> +        $ref: "#/definitions/mclk-fs"
> +      prefix:
> +        $ref: "#/definitions/prefix"
> +      frame-inversion:
> +        $ref: "#/definitions/frame-inversion"
> +      bitclock-inversion:
> +        $ref: "#/definitions/bitclock-inversion"
> +      frame-master:
> +        $ref: /schemas/types.yaml#/definitions/flag
> +      bitclock-master:
> +        $ref: /schemas/types.yaml#/definitions/flag
> +
> +      dai-tdm-slot-num:
> +        $ref: "#/definitions/dai-tdm-slot-num"
> +      dai-tdm-slot-width:
> +        $ref: "#/definitions/dai-tdm-slot-width"
> +      clocks:
> +        $ref: "#/definitions/clocks"
> +      system-clock-frequency:
> +        $ref: "#/definitions/system-clock-frequency"
> +      system-clock-direction-out:
> +        $ref: "#/definitions/system-clock-direction-out"
> +    required:
> +      - sound-dai
> +
> +properties:
> +  compatible:
> +    contains:
> +      enum:
> +        - simple-audio-card
> +        - simple-scu-audio-card
> +
> +  "#address-cells":
> +    const: 1
> +  "#size-cells":
> +    const: 0
> +
> +  label:
> +    $ref: "#/definitions/label"
> +
> +  simple-audio-card,name:
> +    description: User specified audio sound card name.
> +    $ref: /schemas/types.yaml#/definitions/string
> +
> +# use patternProperties to use "#definitions/xxx"

Huh? The meta-schema gives you an error? We should fix that, not 
work-around it.

> +patternProperties:
> +  "^simple-audio-card,widgets$":
> +    $ref: "#/definitions/widgets"
> +  "^simple-audio-card,routing$":
> +    $ref: "#/definitions/routing"
> +  "^simple-audio-card,cpu(@[0-9a-f]+)?":
> +    $ref: "#/definitions/dai"
> +  "^simple-audio-card,codec(@[0-9a-f]+)?":
> +    $ref: "#/definitions/dai"
> +
> +  # common properties
> +  "^simple-audio-card,frame-master$":
> +    $ref: "#/definitions/frame-master"
> +  "^simple-audio-card,bitclock-master$":
> +    $ref: "#/definitions/bitclock-master"
> +  "^simple-audio-card,frame-inversion$":
> +    $ref: "#/definitions/frame-inversion"
> +  "^simple-audio-card,bitclock-inversion$":
> +    $ref: "#/definitions/bitclock-inversion"
> +  "^simple-audio-card,format$":
> +    $ref: "#/definitions/format"
> +  "^simple-audio-card,mclk-fs$":
> +    $ref: "#/definitions/mclk-fs"
> +  "^simple-audio-card,aux-devs$":
> +    $ref: "#/definitions/aux-devs"
> +  "^simple-audio-card,convert-rate$":
> +    $ref: "#/definitions/convert-rate"
> +  "^simple-audio-card,convert-channels$":
> +    $ref: "#/definitions/convert-channels"
> +  "^simple-audio-card,prefix$":
> +    $ref: "#/definitions/prefix"
> +  "^simple-audio-card,pin-switches$":
> +    $ref: "#/definitions/pin-switches"
> +  "^simple-audio-card,hp-det-gpio$":
> +    maxItems: 1
> +  "^simple-audio-card,mic-det-gpio$":
> +    maxItems: 1
> +
> +  "^simple-audio-card,dai-link(@[0-9a-f]+)?$":
> +    description: |
> +      Container for dai-link level properties and the CPU and CODEC sub-nodes.
> +      This container may be omitted when the card has only one DAI link.
> +    type: object
> +    properties:
> +      reg:
> +        maxItems: 1
> +
> +      # common properties
> +      frame-master:
> +        $ref: "#/definitions/frame-master"
> +      bitclock-master:
> +        $ref: "#/definitions/bitclock-master"
> +      frame-inversion:
> +        $ref: "#/definitions/frame-inversion"
> +      bitclock-inversion:
> +        $ref: "#/definitions/bitclock-inversion"
> +      format:
> +        $ref: "#/definitions/format"
> +      mclk-fs:
> +        $ref: "#/definitions/mclk-fs"
> +      aux-devs:
> +        $ref: "#/definitions/aux-devs"
> +      convert-rate:
> +        $ref: "#/definitions/convert-rate"
> +      convert-channels:
> +        $ref: "#/definitions/convert-channels"
> +      prefix:
> +        $ref: "#/definitions/prefix"
> +      pin-switches:
> +        $ref: "#/definitions/pin-switches"
> +      hp-det-gpio:
> +        maxItems: 1
> +      mic-det-gpio:
> +        maxItems: 1
> +
> +    patternProperties:
> +      "^cpu(@[0-9a-f]+)?":
> +        $ref: "#/definitions/dai"
> +      "^codec(@[0-9a-f]+)?":
> +        $ref: "#/definitions/dai"
> +    additionalProperties: false
> +
> +required:
> +  - compatible
> +
> +additionalProperties: false



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