bindings/sound/amlogic%2Caxg-sound-card.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/amlogic,axg-sound-card.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Jerome Brunet <jbrunet@baylibre.com>
13   - $ref: sound-card-common.yaml#
17     const: amlogic,axg-sound-card
19   audio-aux-devs:
20     $ref: /schemas/types.yaml#/definitions/phandle-array
23   audio-widgets:
24     $ref: /schemas/types.yaml#/definitions/non-unique-string-array
34       frequencies for different audio use-cases.
37   "^dai-link-[0-9]+$":
41       Container for dai-link level properties and the CODEC sub-nodes.
45       dai-format:
47         enum: [ i2s, left-j, dsp_a ]
49       dai-tdm-slot-num:
52           Number of slots in use. If omitted, slot number is set to
56       dai-tdm-slot-width:
58         description: Width in bits for each slot
62       mclk-fs:
68       sound-dai:
70         description: phandle of the CPU DAI
73       "^dai-tdm-slot-(t|r)x-mask-[0-3]$":
74         $ref: /schemas/types.yaml#/definitions/uint32-array
78           Transmit and receive cpu slot masks of each TDM lane
80           interface must have at least one slot, so at least one these
81           mask should be provided with an enabled slot.
83       "^codec(-[0-9]+)?$":
87           dai-link representing backend links should have at least one subnode.
88           One subnode for each codec of the dai-link. dai-link representing
92           sound-dai:
94             description: phandle of the codec DAI
97           "^dai-tdm-slot-(t|r)x-mask$":
98             $ref: /schemas/types.yaml#/definitions/uint32-array
101             description: Transmit and receive codec slot masks
104           - sound-dai
107       - sound-dai
110   - dai-link-0
115   - |
117         compatible = "amlogic,axg-sound-card";
118         model = "AXG-S420";
119         audio-aux-devs = <&tdmin_a>, <&tdmout_c>;
120         audio-widgets = "Line", "Lineout",
126         audio-routing = "TDMOUT_C IN 0", "FRDDR_A OUT 2",
141         dai-link-0 {
142             sound-dai = <&frddr_a>;
145         dai-link-1 {
146             sound-dai = <&toddr_a>;
149         dai-link-2 {
150             sound-dai = <&tdmif_c>;
151             dai-format = "i2s";
152             dai-tdm-slot-tx-mask-2 = <1 1>;
153             dai-tdm-slot-tx-mask-3 = <1 1>;
154             dai-tdm-slot-rx-mask-1 = <1 1>;
155             mclk-fs = <256>;
157             codec-0 {
158                 sound-dai = <&lineout>;
161             codec-1 {
162                 sound-dai = <&speaker_amp1>;
165             codec-2 {
166                 sound-dai = <&speaker_amp2>;
169             codec-3 {
170                 sound-dai = <&linein>;
174         dai-link-3 {
175             sound-dai = <&spdifout>;
178                 sound-dai = <&spdif_dit>;