| Message ID | 20200721104422.369368-2-cychiang@chromium.org (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add documentation and machine driver for SC7180 sound card | expand |
On 21/07/2020 11:44, Cheng-Yi Chiang wrote: > Add devicetree bindings documentation file for sc7180 sound card. > > Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org> > --- > .../bindings/sound/qcom,sc7180.yaml | 130 ++++++++++++++++++ > 1 file changed, 130 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/qcom,sc7180.yaml > > diff --git a/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml > new file mode 100644 > index 000000000000..82f9483276eb > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml > @@ -0,0 +1,130 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/sound/qcom,sc7180.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm Technologies Inc. SC7180 ASoC sound card driver > + > +maintainers: > + - Rohit kumar <rohitkr@codeaurora.org> > + - Cheng-Yi Chiang <cychiang@chromium.org> > + > +description: > + This binding describes the SC7180 sound card which uses LPASS for audio. > + > +definitions: > + > + dai: > + type: object > + properties: > + sound-dai: > + maxItems: 1 > + $ref: /schemas/types.yaml#/definitions/phandle-array > + description: phandle array of the codec or CPU DAI > + > + required: > + - sound-dai > + > +properties: > + compatible: > + contains: > + const: qcom,sc7180-sndcard > + > + audio-routing: > + $ref: /schemas/types.yaml#/definitions/non-unique-string-array > + 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. > + > + model: > + $ref: /schemas/types.yaml#/definitions/string > + description: User specified audio sound card name > + > + aux-dev: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: phandle of the codec for headset detection Why do we need this? You should be able to set the jack for codec snd_soc_component_set_jack()? > + > +patternProperties: > + "^dai-link(@[0-9]+)?$": > + description: > + Each subnode represents a dai link. Subnodes of each dai links would be > + cpu/codec dais. > + > + type: object > + > + properties: > + link-name: > + description: Indicates dai-link name and PCM stream name. > + $ref: /schemas/types.yaml#/definitions/string > + maxItems: 1 > + > + reg: > + description: dai link address. > + $ref: /schemas/types.yaml#/definitions/uint32 > + maxItems: 1 Why do we need this?? I have not seen the parsing code using this. > + > + playback-only: > + description: Specify that the dai link is only for playback. > + $ref: /schemas/types.yaml#/definitions/flag > + > + capture-only: > + description: Specify that the dai link is only for capture. > + $ref: /schemas/types.yaml#/definitions/flag > + Are these because the cpu/codec dais are single directional? If so you can extend snd_soc_dai_link_set_capabilities() and use this function. --srini > + cpu: > + $ref: "#/definitions/dai" > + > + codec: > + $ref: "#/definitions/dai" > + > + required: > + - link-name > + - reg > + - cpu > + - codec > + > + additionalProperties: false > + > +examples: > + > + - | > + sound { > + compatible = "qcom,sc7180-sndcard"; > + model = "sc7180-snd-card"; > + > + audio-routing = > + "Headphone Jack", "HPOL", > + "Headphone Jack", "HPOR"; > + > + aux-dev = <&alc5682>; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + dai-link@0 { > + reg = <0>; > + link-name = "MultiMedia0"; > + cpu { > + sound-dai = <&lpass_cpu 0>; > + }; > + > + codec { > + sound-dai = <&alc5682 0>; > + }; > + }; > + > + dai-link@1 { > + reg = <1>; > + link-name = "MultiMedia1"; > + playback-only; > + cpu { > + sound-dai = <&lpass_cpu 1>; > + }; > + > + codec { > + sound-dai = <&max98357a>; > + }; > + }; > + }; >
On Wed, Jul 22, 2020 at 5:25 PM Srinivas Kandagatla <srinivas.kandagatla@linaro.org> wrote: > > > > On 21/07/2020 11:44, Cheng-Yi Chiang wrote: > > Add devicetree bindings documentation file for sc7180 sound card. > > > > Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org> > > --- > > .../bindings/sound/qcom,sc7180.yaml | 130 ++++++++++++++++++ > > 1 file changed, 130 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/sound/qcom,sc7180.yaml > > > > diff --git a/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml > > new file mode 100644 > > index 000000000000..82f9483276eb > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml > > @@ -0,0 +1,130 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/sound/qcom,sc7180.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Qualcomm Technologies Inc. SC7180 ASoC sound card driver > > + > > +maintainers: > > + - Rohit kumar <rohitkr@codeaurora.org> > > + - Cheng-Yi Chiang <cychiang@chromium.org> > > + > > +description: > > + This binding describes the SC7180 sound card which uses LPASS for audio. > > + > > +definitions: > > + > > + dai: > > + type: object > > + properties: > > + sound-dai: > > + maxItems: 1 > > + $ref: /schemas/types.yaml#/definitions/phandle-array > > + description: phandle array of the codec or CPU DAI > > + > > + required: > > + - sound-dai > > + > > +properties: > > + compatible: > > + contains: > > + const: qcom,sc7180-sndcard > > + > > + audio-routing: > > + $ref: /schemas/types.yaml#/definitions/non-unique-string-array > > + 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. > > + > > + model: > > + $ref: /schemas/types.yaml#/definitions/string > > + description: User specified audio sound card name > > + > > + aux-dev: > > + $ref: /schemas/types.yaml#/definitions/phandle > > + description: phandle of the codec for headset detection > > > Why do we need this? You should be able to set the jack for codec > snd_soc_component_set_jack()? > > I put my explanation in the machine driver patch since there is more context there. > > + > > +patternProperties: > > + "^dai-link(@[0-9]+)?$": > > + description: > > + Each subnode represents a dai link. Subnodes of each dai links would be > > + cpu/codec dais. > > + > > + type: object > > + > > + properties: > > + link-name: > > + description: Indicates dai-link name and PCM stream name. > > + $ref: /schemas/types.yaml#/definitions/string > > + maxItems: 1 > > + > > + reg: > > + description: dai link address. > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + maxItems: 1 > > Why do we need this?? I have not seen the parsing code using this. > > When checking the yaml file using dt_binding_check, I got this warnings: $ make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/sound/qcom,sc7180.yaml CHKDT Documentation/devicetree/bindings/sound/qcom,sc7180.yaml SCHEMA Documentation/devicetree/bindings/processed-schema-examples.yaml DTC Documentation/devicetree/bindings/sound/qcom,sc7180.example.dt.yaml Documentation/devicetree/bindings/sound/qcom,sc7180.example.dts:32.24-41.15: Warning (unit_address_vs_reg): /example-0/sound/dai-link@0: node has a unit name, but no reg or ranges property Documentation/devicetree/bindings/sound/qcom,sc7180.example.dts:43.24-52.15: Warning (unit_address_vs_reg): /example-0/sound/dai-link@1: node has a unit name, but no reg or ranges property CHECK Documentation/devicetree/bindings/sound/qcom,sc7180.example.dt.yaml Should I ignore these warnings because reg is not used in the driver ? > > + > > + playback-only: > > + description: Specify that the dai link is only for playback. > > + $ref: /schemas/types.yaml#/definitions/flag > > + > > + capture-only: > > + description: Specify that the dai link is only for capture. > > + $ref: /schemas/types.yaml#/definitions/flag > > + > > Are these because the cpu/codec dais are single directional? > > If so you can extend snd_soc_dai_link_set_capabilities() and use this > function. I found that this is not needed since soc_new_pcm already takes care of checking capture/playback capability in non-dpcm cases. > > > --srini > Thanks for reviewing the patch! > > + cpu: > > + $ref: "#/definitions/dai" > > + > > + codec: > > + $ref: "#/definitions/dai" > > + > > + required: > > + - link-name > > + - reg > > + - cpu > > + - codec > > + > > + additionalProperties: false > > + > > +examples: > > + > > + - | > > + sound { > > + compatible = "qcom,sc7180-sndcard"; > > + model = "sc7180-snd-card"; > > + > > + audio-routing = > > + "Headphone Jack", "HPOL", > > + "Headphone Jack", "HPOR"; > > + > > + aux-dev = <&alc5682>; > > + > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + dai-link@0 { > > + reg = <0>; > > + link-name = "MultiMedia0"; > > + cpu { > > + sound-dai = <&lpass_cpu 0>; > > + }; > > + > > + codec { > > + sound-dai = <&alc5682 0>; > > + }; > > + }; > > + > > + dai-link@1 { > > + reg = <1>; > > + link-name = "MultiMedia1"; > > + playback-only; > > + cpu { > > + sound-dai = <&lpass_cpu 1>; > > + }; > > + > > + codec { > > + sound-dai = <&max98357a>; > > + }; > > + }; > > + }; > >
diff --git a/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml new file mode 100644 index 000000000000..82f9483276eb --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,sc7180.yaml @@ -0,0 +1,130 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/qcom,sc7180.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies Inc. SC7180 ASoC sound card driver + +maintainers: + - Rohit kumar <rohitkr@codeaurora.org> + - Cheng-Yi Chiang <cychiang@chromium.org> + +description: + This binding describes the SC7180 sound card which uses LPASS for audio. + +definitions: + + dai: + type: object + properties: + sound-dai: + maxItems: 1 + $ref: /schemas/types.yaml#/definitions/phandle-array + description: phandle array of the codec or CPU DAI + + required: + - sound-dai + +properties: + compatible: + contains: + const: qcom,sc7180-sndcard + + audio-routing: + $ref: /schemas/types.yaml#/definitions/non-unique-string-array + 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. + + model: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + aux-dev: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle of the codec for headset detection + +patternProperties: + "^dai-link(@[0-9]+)?$": + description: + Each subnode represents a dai link. Subnodes of each dai links would be + cpu/codec dais. + + type: object + + properties: + link-name: + description: Indicates dai-link name and PCM stream name. + $ref: /schemas/types.yaml#/definitions/string + maxItems: 1 + + reg: + description: dai link address. + $ref: /schemas/types.yaml#/definitions/uint32 + maxItems: 1 + + playback-only: + description: Specify that the dai link is only for playback. + $ref: /schemas/types.yaml#/definitions/flag + + capture-only: + description: Specify that the dai link is only for capture. + $ref: /schemas/types.yaml#/definitions/flag + + cpu: + $ref: "#/definitions/dai" + + codec: + $ref: "#/definitions/dai" + + required: + - link-name + - reg + - cpu + - codec + + additionalProperties: false + +examples: + + - | + sound { + compatible = "qcom,sc7180-sndcard"; + model = "sc7180-snd-card"; + + audio-routing = + "Headphone Jack", "HPOL", + "Headphone Jack", "HPOR"; + + aux-dev = <&alc5682>; + + #address-cells = <1>; + #size-cells = <0>; + + dai-link@0 { + reg = <0>; + link-name = "MultiMedia0"; + cpu { + sound-dai = <&lpass_cpu 0>; + }; + + codec { + sound-dai = <&alc5682 0>; + }; + }; + + dai-link@1 { + reg = <1>; + link-name = "MultiMedia1"; + playback-only; + cpu { + sound-dai = <&lpass_cpu 1>; + }; + + codec { + sound-dai = <&max98357a>; + }; + }; + };
Add devicetree bindings documentation file for sc7180 sound card. Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org> --- .../bindings/sound/qcom,sc7180.yaml | 130 ++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,sc7180.yaml