On Mon, Jun 21, 2021 at 7:15 PM Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> wrote: > > > From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> Needs to go to DT list for checks and review... > > This patch adds Audio Graph Card2 Yaml bindings. > It is similar to Audio Graph Card, but different. > > - audio-graph-card used "dais" to indicate DAI-links, > audio-graph-card2 uses "links" to it. > > - audio-graph-card used "phandle" to indicate bitclock/frame-master, > audio-graph-card2 uses flag to it. > > - audio-graph-card used "format" to indicate DAI format, > audio-graph-card2 assumes CPU/Codec drivers have .get_fmt support. > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > --- > .../sound/audio-graph-card2-items.yaml | 36 +++++++++ > .../bindings/sound/audio-graph-card2.yaml | 45 +++++++++++ > .../bindings/sound/audio-graph-port2.yaml | 74 +++++++++++++++++++ > 3 files changed, 155 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/audio-graph-card2-items.yaml > create mode 100644 Documentation/devicetree/bindings/sound/audio-graph-card2.yaml > create mode 100644 Documentation/devicetree/bindings/sound/audio-graph-port2.yaml > > diff --git a/Documentation/devicetree/bindings/sound/audio-graph-card2-items.yaml b/Documentation/devicetree/bindings/sound/audio-graph-card2-items.yaml > new file mode 100644 > index 000000000000..40439f78df60 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/audio-graph-card2-items.yaml > @@ -0,0 +1,36 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/sound/audio-graph-card2-items.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Audio Graph Card2 Items Bindings > + > +maintainers: > + - Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > + > +properties: > + compatible: > + enum: > + - audio-graph-card2-dsp > + - audio-graph-card2-multi > + - audio-graph-card2-codec2codec > + > +required: > + - compatible > + > +additionalProperties: true > + > +examples: > + - | > + mix { > + compatible = "audio-graph-card2-dsp"; > + }; > + > + multi { > + compatible = "audio-graph-card2-multi"; > + }; > + > + codec2codec { > + compatible = "audio-graph-card2-codec2codec"; > + }; > diff --git a/Documentation/devicetree/bindings/sound/audio-graph-card2.yaml b/Documentation/devicetree/bindings/sound/audio-graph-card2.yaml > new file mode 100644 > index 000000000000..b5908ef144c1 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/audio-graph-card2.yaml > @@ -0,0 +1,45 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/sound/audio-graph-card2.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Audio Graph Card2 Device Tree Bindings > + > +maintainers: > + - Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > + > +properties: > + compatible: > + enum: > + - audio-graph-card2 > + links: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + 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. > + $ref: /schemas/types.yaml#/definitions/non-unique-string-array > + > +required: > + - compatible > + - links > + > +unevaluatedProperties: false > + > +examples: > + - | > + sound { > + compatible = "audio-graph-card2"; > + > + links = <&cpu_port>; > + }; > + > + cpu { > + cpu_port: port { cpu_ep: endpoint { remote-endpoint = <&codec_ep>; }; }; > + }; > + > + codec { > + port { codec_ep: endpoint { remote-endpoint = <&cpu_ep>; }; }; > + }; > diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port2.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port2.yaml > new file mode 100644 > index 000000000000..0a7753a140bf > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/audio-graph-port2.yaml > @@ -0,0 +1,74 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/sound/audio-graph-port.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Audio Graph Card2 'port' Node Bindings > + > +maintainers: > + - Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > + > +select: false > + > +properties: > + port: > + description: single OF-Graph subnode > + type: object > + properties: > + reg: > + maxItems: 1 > + prefix: > + description: "device name prefix" > + $ref: /schemas/types.yaml#/definitions/string > + 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 > + 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 > + patternProperties: > + "^endpoint(@[0-9a-f]+)?": > + type: object > + properties: > + remote-endpoint: > + maxItems: 1 > + 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 > + 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 > + frame-master: > + description: Indicates dai-link frame master. > + $ref: /schemas/types.yaml#/definitions/flag > + bitclock-master: > + description: Indicates dai-link bit clock master > + $ref: /schemas/types.yaml#/definitions/flag > + 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 > + > + ports: > + description: multi OF-Graph subnode > + type: object > + patternProperties: > + "^port(@[0-9a-f]+)?": > + $ref: "#/properties/port" > + > +additionalProperties: true > -- > 2.25.1 >
