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Message-ID: <1602859382-19505-10-git-send-email-spujar@nvidia.com>
Date: Fri, 16 Oct 2020 20:12:56 +0530
From: Sameer Pujar <spujar@...dia.com>
To: <broonie@...nel.org>, <lgirdwood@...il.com>, <robh+dt@...nel.org>,
<kuninori.morimoto.gx@...esas.com>,
<pierre-louis.bossart@...ux.intel.com>, <perex@...ex.cz>,
<tiwai@...e.com>, <p.zabel@...gutronix.de>,
<thierry.reding@...il.com>, <jonathanh@...dia.com>
CC: <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<sharadg@...dia.com>, <mkumard@...dia.com>,
<viswanathl@...dia.com>, <rlokhande@...dia.com>,
<dramesh@...dia.com>, <atalambedu@...dia.com>,
<nwartikar@...dia.com>, <swarren@...dia.com>,
<nicoleotsuka@...il.com>, Sameer Pujar <spujar@...dia.com>
Subject: [PATCH v4 09/15] ASoC: dt-bindings: audio-graph: Convert bindings to json-schema
Convert device tree bindings of audio graph card to YAML format. Also
expose some common definitions which can be used by similar graph based
audio sound cards.
Signed-off-by: Sameer Pujar <spujar@...dia.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
---
.../devicetree/bindings/sound/audio-graph-card.txt | 337 -------------
.../bindings/sound/audio-graph-card.yaml | 548 +++++++++++++++++++++
2 files changed, 548 insertions(+), 337 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/sound/audio-graph-card.txt
create mode 100644 Documentation/devicetree/bindings/sound/audio-graph-card.yaml
diff --git a/Documentation/devicetree/bindings/sound/audio-graph-card.txt b/Documentation/devicetree/bindings/sound/audio-graph-card.txt
deleted file mode 100644
index d5f6919..0000000
--- a/Documentation/devicetree/bindings/sound/audio-graph-card.txt
+++ /dev/null
@@ -1,337 +0,0 @@
-Audio Graph Card:
-
-Audio Graph Card specifies audio DAI connections of SoC <-> codec.
-It is based on common bindings for device graphs.
-see ${LINUX}/Documentation/devicetree/bindings/graph.txt
-
-Basically, Audio Graph Card property is same as Simple Card.
-see ${LINUX}/Documentation/devicetree/bindings/sound/simple-card.yaml
-
-Below are same as Simple-Card.
-
-- label
-- widgets
-- routing
-- dai-format
-- frame-master
-- bitclock-master
-- bitclock-inversion
-- frame-inversion
-- mclk-fs
-- hp-det-gpio
-- mic-det-gpio
-- dai-tdm-slot-num
-- dai-tdm-slot-width
-- clocks / system-clock-frequency
-
-Required properties:
-
-- compatible : "audio-graph-card";
-- dais : list of CPU DAI port{s}
-
-Optional properties:
-- pa-gpios: GPIO used to control external amplifier.
-
------------------------
-Example: Single DAI case
------------------------
-
- sound_card {
- compatible = "audio-graph-card";
-
- dais = <&cpu_port>;
- };
-
- dai-controller {
- ...
- cpu_port: port {
- cpu_endpoint: endpoint {
- remote-endpoint = <&codec_endpoint>;
-
- dai-format = "left_j";
- ...
- };
- };
- };
-
- audio-codec {
- ...
- port {
- codec_endpoint: endpoint {
- remote-endpoint = <&cpu_endpoint>;
- };
- };
- };
-
------------------------
-Example: Multi DAI case
------------------------
-
- sound-card {
- compatible = "audio-graph-card";
-
- label = "sound-card";
-
- dais = <&cpu_port0
- &cpu_port1
- &cpu_port2>;
- };
-
- audio-codec@0 {
- ...
- port {
- codec0_endpoint: endpoint {
- remote-endpoint = <&cpu_endpoint0>;
- };
- };
- };
-
- audio-codec@1 {
- ...
- port {
- codec1_endpoint: endpoint {
- remote-endpoint = <&cpu_endpoint1>;
- };
- };
- };
-
- audio-codec@2 {
- ...
- port {
- codec2_endpoint: endpoint {
- remote-endpoint = <&cpu_endpoint2>;
- };
- };
- };
-
- dai-controller {
- ...
- ports {
- cpu_port0: port@0 {
- cpu_endpoint0: endpoint {
- remote-endpoint = <&codec0_endpoint>;
-
- dai-format = "left_j";
- ...
- };
- };
- cpu_port1: port@1 {
- cpu_endpoint1: endpoint {
- remote-endpoint = <&codec1_endpoint>;
-
- dai-format = "i2s";
- ...
- };
- };
- cpu_port2: port@2 {
- cpu_endpoint2: endpoint {
- remote-endpoint = <&codec2_endpoint>;
-
- dai-format = "i2s";
- ...
- };
- };
- };
- };
-
-
------------------------
-Example: Sampling Rate Conversion
------------------------
-
- sound_card {
- compatible = "audio-graph-card";
-
- label = "sound-card";
- prefix = "codec";
- routing = "codec Playback", "DAI0 Playback",
- "DAI0 Capture", "codec Capture";
- convert-rate = <48000>;
-
- dais = <&cpu_port>;
- };
-
- audio-codec {
- ...
- port {
- codec_endpoint: endpoint {
- remote-endpoint = <&cpu_endpoint>;
- };
- };
- };
-
- dai-controller {
- ...
- cpu_port: port {
- cpu_endpoint: endpoint {
- remote-endpoint = <&codec_endpoint>;
-
- dai-format = "left_j";
- ...
- };
- };
- };
-
------------------------
-Example: 2 CPU 1 Codec (Mixing)
------------------------
-
- sound_card {
- compatible = "audio-graph-card";
-
- label = "sound-card";
- routing = "codec Playback", "DAI0 Playback",
- "codec Playback", "DAI1 Playback",
- "DAI0 Capture", "codec Capture";
-
- dais = <&cpu_port>;
- };
-
- audio-codec {
- ...
-
- audio-graph-card,prefix = "codec";
- audio-graph-card,convert-rate = <48000>;
- port {
- reg = <0>;
- codec_endpoint0: endpoint@0 {
- remote-endpoint = <&cpu_endpoint0>;
- };
- codec_endpoint1: endpoint@1 {
- remote-endpoint = <&cpu_endpoint1>;
- };
- };
- };
-
- dai-controller {
- ...
- cpu_port: port {
- cpu_endpoint0: endpoint@0 {
- remote-endpoint = <&codec_endpoint0>;
-
- dai-format = "left_j";
- ...
- };
- cpu_endpoint1: endpoint@1 {
- remote-endpoint = <&codec_endpoint1>;
-
- dai-format = "left_j";
- ...
- };
- };
- };
-
------------------------
-Example: Multi DAI with DPCM
------------------------
-
- CPU0 ------ ak4613
- CPU1 ------ HDMI
- CPU2 ------ PCM3168A-p /* DPCM 1ch/2ch */
- CPU3 --/ /* DPCM 3ch/4ch */
- CPU4 --/ /* DPCM 5ch/6ch */
- CPU5 --/ /* DPCM 7ch/8ch */
- CPU6 ------ PCM3168A-c
-
- sound_card: sound {
- compatible = "audio-graph-card";
-
- label = "sound-card";
-
- routing = "pcm3168a Playback", "DAI2 Playback",
- "pcm3168a Playback", "DAI3 Playback",
- "pcm3168a Playback", "DAI4 Playback",
- "pcm3168a Playback", "DAI5 Playback";
-
- dais = <&snd_port0 /* ak4613 */
- &snd_port1 /* HDMI0 */
- &snd_port2 /* pcm3168a playback */
- &snd_port3 /* pcm3168a capture */
- >;
- };
-
- ak4613: codec@10 {
- ...
- port {
- ak4613_endpoint: endpoint {
- remote-endpoint = <&rsnd_endpoint0>;
- };
- };
- };
-
- pcm3168a: audio-codec@44 {
- ...
- audio-graph-card,prefix = "pcm3168a";
- audio-graph-card,convert-channels = <8>; /* TDM Split */
- ports {
- port@0 {
- reg = <0>;
- pcm3168a_endpoint_p1: endpoint@1 {
- remote-endpoint = <&rsnd_endpoint2>;
- ...
- };
- pcm3168a_endpoint_p2: endpoint@2 {
- remote-endpoint = <&rsnd_endpoint3>;
- ...
- };
- pcm3168a_endpoint_p3: endpoint@3 {
- remote-endpoint = <&rsnd_endpoint4>;
- ...
- };
- pcm3168a_endpoint_p4: endpoint@4 {
- remote-endpoint = <&rsnd_endpoint5>;
- ...
- };
- };
- port@1 {
- reg = <1>;
- pcm3168a_endpoint_c: endpoint {
- remote-endpoint = <&rsnd_endpoint6>;
- ...
- };
- };
- };
- };
-
- &sound {
- ports {
- snd_port0: port@0 {
- rsnd_endpoint0: endpoint {
- remote-endpoint = <&ak4613_endpoint>;
- ...
- };
- };
- snd_port1: port@1 {
- rsnd_endpoint1: endpoint {
- remote-endpoint = <&dw_hdmi0_snd_in>;
- ...
- };
- };
- snd_port2: port@2 {
- #address-cells = <1>;
- #size-cells = <0>;
- rsnd_endpoint2: endpoint@2 {
- remote-endpoint = <&pcm3168a_endpoint_p1>;
- ...
- };
- rsnd_endpoint3: endpoint@3 {
- remote-endpoint = <&pcm3168a_endpoint_p2>;
- ...
- };
- rsnd_endpoint4: endpoint@4 {
- remote-endpoint = <&pcm3168a_endpoint_p3>;
- ...
- };
- rsnd_endpoint5: endpoint@5 {
- remote-endpoint = <&pcm3168a_endpoint_p4>;
- ...
- };
- };
- snd_port3: port@6 {
- rsnd_endpoint6: endpoint {
- remote-endpoint = <&pcm3168a_endpoint_c>;
- ...
- };
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/sound/audio-graph-card.yaml b/Documentation/devicetree/bindings/sound/audio-graph-card.yaml
new file mode 100644
index 0000000..d4b56bd
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/audio-graph-card.yaml
@@ -0,0 +1,548 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/audio-graph-card.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic audio graph card
+
+description: |
+ Audio Graph Card specifies audio DAI connections of SoC <-> codec.
+ It is based on common bindings for device graphs.
+ see ${LINUX}/Documentation/devicetree/bindings/graph.yaml
+
+ Basically, Audio Graph Card properties are similar to Simple Card.
+ see ${LINUX}/Documentation/devicetree/bindings/sound/simple-card.yaml
+ Common definitions required here are referenced from above.
+
+maintainers:
+ - Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
+
+definitions:
+
+ end-point:
+ type: object
+ properties:
+ mclk-fs:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/mclk-fs
+
+ prefix:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/prefix
+
+ convert-rate:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/convert-rate
+
+ convert-channels:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/convert-channels
+
+ frame-inversion:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/frame-inversion
+
+ bitclock-inversion:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/bitclock-inversion
+
+ frame-master:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/frame-master
+
+ bitclock-master:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/bitclock-master
+
+ dai-tdm-slot-num:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/dai-tdm-slot-num
+
+ dai-tdm-slot-width:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/dai-tdm-slot-width
+
+ clocks:
+ maxItems: 1
+
+ system-clock-frequency:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/system-clock-frequency
+
+ system-clock-direction-out:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/system-clock-direction-out
+
+ dai-format:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/format
+
+ remote-endpoint:
+ description: phandle to an 'endpoint' subnode of a remote device node.
+ $ref: /schemas/types.yaml#/definitions/phandle
+
+ port:
+ type: object
+ description: |
+ If there is more than one 'port' or more than one 'endpoint' node
+ or 'reg' property present in the port and/or endpoint nodes then
+ '#address-cells' and '#size-cells' properties are required in relevant
+ parent node.
+ properties:
+ convert-rate:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/convert-rate
+
+ convert-channels:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/convert-channels
+
+ prefix:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/prefix
+
+ mclk-fs:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/mclk-fs
+
+ patternProperties:
+ "^endpoint(@[0-9a-f]+)?$":
+ type: object
+ $ref: "#/definitions/end-point"
+
+ ports:
+ type: object
+ properties:
+ convert-rate:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/convert-rate
+
+ convert-channels:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/convert-channels
+
+ prefix:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/prefix
+
+ mclk-fs:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/mclk-fs
+
+ patternProperties:
+ "^port(@[0-9a-f]+)?$":
+ $ref: "#/definitions/port"
+
+properties:
+ compatible:
+ items:
+ - const: audio-graph-card
+
+ dais:
+ description: list of CPU DAI port{s}
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+
+ label:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/label
+
+ pa-gpios:
+ description: GPIO used to control external amplifier.
+
+ widgets:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/widgets
+
+ routing:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/routing
+
+ convert-rate:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/convert-rate
+
+ convert-channels:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/convert-channels
+
+ mclk-fs:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/mclk-fs
+
+ prefix:
+ $ref: /schemas/sound/simple-card.yaml#/definitions/prefix
+
+ hp-det-gpio:
+ maxItems: 1
+
+ mic-det-gpio:
+ maxItems: 1
+
+ ports:
+ $ref: "#/definitions/ports"
+
+patternProperties:
+ "^port(@[0-9a-f]+)?$":
+ $ref: "#/definitions/port"
+
+required:
+ - compatible
+ - dais
+
+additionalProperties: false
+
+examples:
+ # ---------------
+ # Single DAI case
+ # ---------------
+ - |
+ sound_card {
+ compatible = "audio-graph-card";
+
+ dais = <&cpu_port>;
+ };
+
+ dai-controller {
+ // ...
+
+ cpu_port: port {
+ cpu_endpoint: endpoint {
+ remote-endpoint = <&codec_endpoint>;
+
+ dai-format = "left_j";
+
+ // ...
+ };
+ };
+ };
+
+ audio-codec {
+ // ...
+
+ port {
+ codec_endpoint: endpoint {
+ remote-endpoint = <&cpu_endpoint>;
+ };
+ };
+ };
+
+ # --------------
+ # Multi DAI case
+ # --------------
+ - |
+ sound-card {
+ compatible = "audio-graph-card";
+
+ label = "sound-card";
+
+ dais = <&cpu_port0
+ &cpu_port1
+ &cpu_port2>;
+ };
+
+ audio-codec-0 {
+ // ...
+
+ port {
+ codec0_endpoint: endpoint {
+ remote-endpoint = <&cpu_endpoint0>;
+ };
+ };
+ };
+
+ audio-codec-1 {
+ // ...
+
+ port {
+ codec1_endpoint: endpoint {
+ remote-endpoint = <&cpu_endpoint1>;
+ };
+ };
+ };
+
+ audio-codec-2 {
+ // ...
+
+ port {
+ codec2_endpoint: endpoint {
+ remote-endpoint = <&cpu_endpoint2>;
+ };
+ };
+ };
+
+ dai-controller {
+ // ...
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu_port0: port@0 {
+ reg = <0>;
+
+ cpu_endpoint0: endpoint {
+ remote-endpoint = <&codec0_endpoint>;
+
+ dai-format = "left_j";
+
+ // ...
+ };
+ };
+ cpu_port1: port@1 {
+ reg = <1>;
+
+ cpu_endpoint1: endpoint {
+ remote-endpoint = <&codec1_endpoint>;
+
+ dai-format = "i2s";
+
+ // ...
+ };
+ };
+ cpu_port2: port@2 {
+ reg = <2>;
+
+ cpu_endpoint2: endpoint {
+ remote-endpoint = <&codec2_endpoint>;
+
+ dai-format = "i2s";
+
+ // ...
+ };
+ };
+ };
+ };
+
+ # ------------------------
+ # Sampling Rate Conversion
+ # ------------------------
+ - |
+ sound_card {
+ compatible = "audio-graph-card";
+
+ label = "sound-card";
+ prefix = "codec";
+ routing = "codec Playback", "DAI0 Playback",
+ "DAI0 Capture", "codec Capture";
+ convert-rate = <48000>;
+
+ dais = <&cpu_port_src>;
+ };
+
+ audio-codec {
+ // ...
+
+ port {
+ codec_endpoint_src: endpoint {
+ remote-endpoint = <&cpu_endpoint_src>;
+ };
+ };
+ };
+
+ dai-controller {
+ // ...
+
+ cpu_port_src: port {
+ cpu_endpoint_src: endpoint {
+ remote-endpoint = <&codec_endpoint_src>;
+
+ dai-format = "left_j";
+
+ // ...
+ };
+ };
+ };
+
+ # ----------------------
+ # 2 CPU 1 Codec (Mixing)
+ # ----------------------
+ - |
+ sound_card {
+ compatible = "audio-graph-card";
+
+ label = "sound-card";
+ routing = "codec Playback", "DAI0 Playback",
+ "codec Playback", "DAI1 Playback",
+ "DAI0 Capture", "codec Capture";
+
+ dais = <&cpu_port_mix>;
+ };
+
+ audio-codec {
+ // ...
+
+ audio-graph-card,prefix = "codec";
+ audio-graph-card,convert-rate = <48000>;
+
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ codec_endpoint0_mix: endpoint@0 {
+ reg = <0>;
+
+ remote-endpoint = <&cpu_endpoint0_mix>;
+ };
+ codec_endpoint1_mix: endpoint@1 {
+ reg = <1>;
+
+ remote-endpoint = <&cpu_endpoint1_mix>;
+ };
+ };
+ };
+
+ dai-controller {
+ // ...
+
+ cpu_port_mix: port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu_endpoint0_mix: endpoint@0 {
+ reg = <0>;
+
+ remote-endpoint = <&codec_endpoint0_mix>;
+
+ dai-format = "left_j";
+
+ // ...
+ };
+ cpu_endpoint1_mix: endpoint@1 {
+ reg = <1>;
+
+ remote-endpoint = <&codec_endpoint1_mix>;
+
+ dai-format = "left_j";
+
+ // ...
+ };
+ };
+ };
+
+ # -------------------
+ # Multi DAI with DPCM
+ #
+ # CPU0 ------ ak4613
+ # CPU1 ------ HDMI
+ # CPU2 ------ PCM3168A-p /* DPCM 1ch/2ch */
+ # CPU3 --/ /* DPCM 3ch/4ch */
+ # CPU4 --/ /* DPCM 5ch/6ch */
+ # CPU5 --/ /* DPCM 7ch/8ch */
+ # CPU6 ------ PCM3168A-c
+ # -------------------
+ - |
+ sound_card: sound {
+ compatible = "audio-graph-card";
+
+ label = "sound-card";
+
+ routing = "pcm3168a Playback", "DAI2 Playback",
+ "pcm3168a Playback", "DAI3 Playback",
+ "pcm3168a Playback", "DAI4 Playback",
+ "pcm3168a Playback", "DAI5 Playback";
+
+ dais = <&snd_port0 /* ak4613 */
+ &snd_port1 /* HDMI0 */
+ &snd_port2 /* pcm3168a playback */
+ &snd_port3 /* pcm3168a capture */
+ >;
+ };
+
+ ak4613: codec-10 {
+ // ...
+
+ port {
+ ak4613_endpoint: endpoint {
+ remote-endpoint = <&rsnd_endpoint0>;
+ };
+ };
+ };
+
+ pcm3168a: audio-codec-44 {
+ // ...
+
+ audio-graph-card,prefix = "pcm3168a";
+ audio-graph-card,convert-channels = <8>; /* TDM Split */
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg = <0>;
+ pcm3168a_endpoint_p1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&rsnd_endpoint2>;
+
+ // ...
+ };
+ pcm3168a_endpoint_p2: endpoint@2 {
+ reg = <2>;
+ remote-endpoint = <&rsnd_endpoint3>;
+
+ // ...
+ };
+ pcm3168a_endpoint_p3: endpoint@3 {
+ reg = <3>;
+ remote-endpoint = <&rsnd_endpoint4>;
+
+ // ...
+ };
+ pcm3168a_endpoint_p4: endpoint@4 {
+ reg = <4>;
+ remote-endpoint = <&rsnd_endpoint5>;
+
+ // ...
+ };
+ };
+ port@1 {
+ reg = <1>;
+ pcm3168a_endpoint_c: endpoint {
+ remote-endpoint = <&rsnd_endpoint6>;
+
+ // ...
+ };
+ };
+ };
+ };
+
+ dai-controller {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ snd_port0: port@0 {
+ reg = <0>;
+ rsnd_endpoint0: endpoint {
+ remote-endpoint = <&ak4613_endpoint>;
+
+ // ...
+ };
+ };
+ snd_port1: port@1 {
+ reg = <1>;
+ rsnd_endpoint1: endpoint {
+ remote-endpoint = <&dw_hdmi0_snd_in>;
+
+ // ...
+ };
+ };
+ snd_port2: port@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg = <2>;
+ rsnd_endpoint2: endpoint@2 {
+ reg = <2>;
+ remote-endpoint = <&pcm3168a_endpoint_p1>;
+
+ // ...
+ };
+ rsnd_endpoint3: endpoint@3 {
+ reg = <3>;
+ remote-endpoint = <&pcm3168a_endpoint_p2>;
+
+ // ...
+ };
+ rsnd_endpoint4: endpoint@4 {
+ reg = <4>;
+ remote-endpoint = <&pcm3168a_endpoint_p3>;
+
+ // ...
+ };
+ rsnd_endpoint5: endpoint@5 {
+ reg = <5>;
+ remote-endpoint = <&pcm3168a_endpoint_p4>;
+
+ // ...
+ };
+ };
+ snd_port3: port@6 {
+ reg = <6>;
+ rsnd_endpoint6: endpoint {
+ remote-endpoint = <&pcm3168a_endpoint_c>;
+
+ // ...
+ };
+ };
+ };
+ };
+
+...
--
2.7.4
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