diff options
Diffstat (limited to 'dts/Bindings/sound/simple-card.yaml')
| -rw-r--r-- | dts/Bindings/sound/simple-card.yaml | 99 |
1 files changed, 79 insertions, 20 deletions
diff --git a/dts/Bindings/sound/simple-card.yaml b/dts/Bindings/sound/simple-card.yaml index b261d49b9d..59ac2d1d1c 100644 --- a/dts/Bindings/sound/simple-card.yaml +++ b/dts/Bindings/sound/simple-card.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/sound/simple-card.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Simple Audio Card Driver Device Tree Bindings +title: Simple Audio Card Driver maintainers: - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> @@ -78,7 +78,7 @@ definitions: $ref: /schemas/types.yaml#/definitions/uint32 prefix: - description: "device name prefix" + description: device name prefix $ref: /schemas/types.yaml#/definitions/string label: @@ -148,6 +148,15 @@ definitions: required: - sound-dai + additional-devs: + type: object + description: + Additional devices used by the simple audio card. + patternProperties: + '^iio-aux(-.+)?$': + type: object + $ref: audio-iio-aux.yaml# + properties: compatible: contains: @@ -187,6 +196,8 @@ properties: $ref: "#/definitions/mclk-fs" simple-audio-card,aux-devs: $ref: "#/definitions/aux-devs" + simple-audio-card,additional-devs: + $ref: "#/definitions/additional-devs" simple-audio-card,convert-rate: $ref: "#/definitions/convert-rate" simple-audio-card,convert-channels: @@ -205,6 +216,8 @@ patternProperties: $ref: "#/definitions/dai" "^simple-audio-card,codec(@[0-9a-f]+)?$": $ref: "#/definitions/dai" + "^simple-audio-card,plat(@[0-9a-f]+)?$": + $ref: "#/definitions/dai" "^simple-audio-card,dai-link(@[0-9a-f]+)?$": description: | @@ -215,6 +228,10 @@ patternProperties: reg: maxItems: 1 + "#address-cells": + const: 1 + "#size-cells": + const: 0 # common properties frame-master: $ref: "#/definitions/frame-master" @@ -244,9 +261,9 @@ patternProperties: maxItems: 1 patternProperties: - "^cpu(@[0-9a-f]+)?": + "^cpu(-[0-9]+)?$": $ref: "#/definitions/dai" - "^codec(@[0-9a-f]+)?": + "^codec(-[0-9]+)?$": $ref: "#/definitions/dai" additionalProperties: false @@ -256,9 +273,9 @@ required: additionalProperties: false examples: -#-------------------- +# -------------------- # single DAI link -#-------------------- +# -------------------- - | sound { compatible = "simple-audio-card"; @@ -285,9 +302,9 @@ examples: }; }; -#-------------------- +# -------------------- # Multi DAI links -#-------------------- +# -------------------- - | sound { compatible = "simple-audio-card"; @@ -328,10 +345,10 @@ examples: }; }; -#-------------------- +# -------------------- # route audio from IMX6 SSI2 through TLV320DAC3100 codec # through TPA6130A2 amplifier to headphones: -#-------------------- +# -------------------- - | sound { compatible = "simple-audio-card"; @@ -353,9 +370,51 @@ examples: }; }; -#-------------------- +# -------------------- +# route audio to/from a codec through an amplifier +# designed with a potentiometer driven by IIO: +# -------------------- + - | + sound { + compatible = "simple-audio-card"; + + simple-audio-card,aux-devs = <&_in>, <&_out>; + simple-audio-card,routing = + "CODEC LEFTIN", "AMP_IN LEFT OUT", + "CODEC RIGHTIN", "AMP_IN RIGHT OUT", + "AMP_OUT LEFT IN", "CODEC LEFTOUT", + "AMP_OUT RIGHT IN", "CODEC RIGHTOUT"; + + simple-audio-card,additional-devs { + amp_out: iio-aux-out { + compatible = "audio-iio-aux"; + io-channels = <&pot_out 0>, <&pot_out 1>; + io-channel-names = "LEFT", "RIGHT"; + snd-control-invert-range = <1 1>; + sound-name-prefix = "AMP_OUT"; + }; + + amp_in: iio_aux-in { + compatible = "audio-iio-aux"; + io-channels = <&pot_in 0>, <&pot_in 1>; + io-channel-names = "LEFT", "RIGHT"; + sound-name-prefix = "AMP_IN"; + }; + }; + + simple-audio-card,cpu { + sound-dai = <&cpu>; + }; + + simple-audio-card,codec { + sound-dai = <&codec>; + clocks = <&clocks>; + }; + }; + +# -------------------- # Sampling Rate Conversion -#-------------------- +# -------------------- - | sound { compatible = "simple-audio-card"; @@ -381,9 +440,9 @@ examples: }; }; -#-------------------- +# -------------------- # 2 CPU 1 Codec (Mixing) -#-------------------- +# -------------------- - | sound { compatible = "simple-audio-card"; @@ -418,7 +477,7 @@ examples: }; }; -#-------------------- +# -------------------- # Multi DAI links with DPCM: # # CPU0 ------ ak4613 @@ -427,7 +486,7 @@ examples: # CPU3 --/ /* DPCM 5ch/6ch */ # CPU4 --/ /* DPCM 7ch/8ch */ # CPU5 ------ PCM3168A-c -#-------------------- +# -------------------- - | sound { compatible = "simple-audio-card"; @@ -462,16 +521,16 @@ examples: convert-channels = <8>; /* TDM Split */ - sndcpu1: cpu0 { + sndcpu1: cpu-0 { sound-dai = <&rcar_sound 1>; }; - cpu1 { + cpu-1 { sound-dai = <&rcar_sound 2>; }; - cpu2 { + cpu-2 { sound-dai = <&rcar_sound 3>; }; - cpu3 { + cpu-3 { sound-dai = <&rcar_sound 4>; }; codec { |