xref: /linux/Documentation/devicetree/bindings/sound/mediatek,mt2701-hdmi-audio.yaml (revision 9611c0ce215a66770ccbe5c126bf57ba8c31bcad) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/mediatek,mt2701-hdmi-audio.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MediaTek MT2701/MT7623N HDMI audio output
8
9maintainers:
10  - Daniel Golle <daniel@makrotopia.org>
11
12description:
13  Sound card routing the MT2701/MT7623N Audio Front End HDMI
14  playback path to the on-chip HDMI transmitter. The AFE
15  provides the DMA memif and internal I2S engine; the HDMI
16  transmitter acts as the audio codec on the serialised link.
17
18properties:
19  compatible:
20    oneOf:
21      - const: mediatek,mt2701-hdmi-audio
22      - items:
23          - const: mediatek,mt7623n-hdmi-audio
24          - const: mediatek,mt2701-hdmi-audio
25
26  mediatek,platform:
27    $ref: /schemas/types.yaml#/definitions/phandle
28    description: Phandle of the MT2701/MT7623N AFE platform node.
29
30  mediatek,audio-codec:
31    $ref: /schemas/types.yaml#/definitions/phandle
32    description: Phandle of the HDMI transmitter acting as audio codec.
33
34required:
35  - compatible
36  - mediatek,platform
37  - mediatek,audio-codec
38
39additionalProperties: false
40
41examples:
42  - |
43    sound-hdmi {
44        compatible = "mediatek,mt7623n-hdmi-audio",
45                     "mediatek,mt2701-hdmi-audio";
46        mediatek,platform = <&afe>;
47        mediatek,audio-codec = <&hdmi0>;
48    };
49