On Mon, Jun 06, 2022 at 09:19:07PM +0200, Martin Povišer wrote: > Add binding for Apple Silicon Macs' machine-level integration of sound > peripherals. > > Signed-off-by: Martin Povišer <povik+lin@xxxxxxxxxxx> > --- > .../bindings/sound/apple,macaudio.yaml | 157 ++++++++++++++++++ > 1 file changed, 157 insertions(+) > create mode 100644 Documentation/devicetree/bindings/sound/apple,macaudio.yaml > > diff --git a/Documentation/devicetree/bindings/sound/apple,macaudio.yaml b/Documentation/devicetree/bindings/sound/apple,macaudio.yaml > new file mode 100644 > index 000000000000..f7c12697beab > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/apple,macaudio.yaml > @@ -0,0 +1,157 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/sound/apple,macaudio.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Apple Silicon Macs integrated sound peripherals > + > +description: | > + This binding represents the overall machine-level integration of sound > + peripherals on 'Apple Silicon' machines by Apple. > + > +maintainers: > + - Martin Povišer <povik+lin@xxxxxxxxxxx> > + > +properties: > + compatible: > + items: > + - enum: > + - apple,j274-macaudio > + - apple,j293-macaudio > + - apple,j314-macaudio > + - const: apple,macaudio > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > + model: > + description: | Don't need '|' if there's no formatting to preserve. > + Model name for presentation to users > + $ref: /schemas/types.yaml#/definitions/string > + > +patternProperties: > + "^dai-link(@[0-9a-f]+)?$": > + description: | > + Node for each sound peripheral such as the speaker array, headphones jack, > + or microphone. > + type: object blank line > + properties: > + reg: > + maxItems: 1 > + > + link-name: > + description: | > + Name for the peripheral, expecting 'Speaker' or 'Speakers' if this is > + the speaker array. > + $ref: /schemas/types.yaml#/definitions/string > + > + cpu: > + type: object additionalProperties: false blank line before properties. > + properties: > + sound-dai: > + description: | > + DAI list with CPU-side I2S ports involved in this peripheral. > + minItems: 1 > + maxItems: 2 blank line > + required: > + - sound-dai > + > + codec: > + type: object blank line > + properties: > + sound-dai: > + description: | > + DAI list with the CODEC-side DAIs connected to the above CPU-side > + DAIs and involved in this sound peripheral. > + > + The list is in left/right order if applicable. If there are more > + than one CPU-side DAIs (there can be two), the CODECs must be > + listed first those connected to the first CPU, then those > + connected to the second. > + > + In addition, on some machines with many speaker codecs, the CODECs > + are listed in this fixed order: > + > + J293: Left Front, Left Rear, Right Front, Right Rear > + J314: Left Woofer 1, Left Tweeter, Left Woofer 2, > + Right Woofer 1, Right Tweeter, Right Woofer 2 > + minItems: 1 > + maxItems: 8 blank line > + required: > + - sound-dai > + > + required: > + - reg > + - cpu > + - codec > + > + additionalProperties: false I prefer this to be above 'properties' in the indented cases. > + > +required: > + - compatible > + - model > + > +additionalProperties: false > + > +examples: > + - | > + mca: mca@9b600000 { > + compatible = "apple,t6000-mca", "apple,mca"; > + reg = <0x9b600000 0x10000>, > + <0x9b500000 0x20000>; > + > + clocks = <&nco 0>, <&nco 1>, <&nco 2>, <&nco 3>; > + power-domains = <&ps_audio_p>, <&ps_mca0>, <&ps_mca1>, > + <&ps_mca2>, <&ps_mca3>; > + dmas = <&admac 0>, <&admac 1>, <&admac 2>, <&admac 3>, > + <&admac 4>, <&admac 5>, <&admac 6>, <&admac 7>, > + <&admac 8>, <&admac 9>, <&admac 10>, <&admac 11>, > + <&admac 12>, <&admac 13>, <&admac 14>, <&admac 15>; > + dma-names = "tx0a", "rx0a", "tx0b", "rx0b", > + "tx1a", "rx1a", "tx1b", "rx1b", > + "tx2a", "rx2a", "tx2b", "rx2b", > + "tx3a", "rx3a", "tx3b", "rx3b"; > + > + #sound-dai-cells = <1>; > + }; > + > + sound { > + compatible = "apple,j314-macaudio", "apple,macaudio"; > + model = "MacBook Pro J314 integrated audio"; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + dai-link@0 { > + reg = <0>; > + link-name = "Speakers"; > + > + cpu { > + sound-dai = <&mca 0>, <&mca 1>; > + }; > + codec { > + sound-dai = <&speaker_left_woof1>, > + <&speaker_left_tweet>, > + <&speaker_left_woof2>, > + <&speaker_right_woof1>, > + <&speaker_right_tweet>, > + <&speaker_right_woof2>; > + }; > + }; > + > + dai-link@1 { > + reg = <1>; > + link-name = "Headphones Jack"; > + > + cpu { > + sound-dai = <&mca 2>; > + }; > + codec { > + sound-dai = <&jack_codec>; > + }; > + }; > + }; > -- > 2.33.0 > >
