From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C388CC433DF for ; Mon, 19 Oct 2020 02:50:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 77861222C3 for ; Mon, 19 Oct 2020 02:50:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731232AbgJSCus (ORCPT ); Sun, 18 Oct 2020 22:50:48 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:7249 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731229AbgJSCur (ORCPT ); Sun, 18 Oct 2020 22:50:47 -0400 Date: 19 Oct 2020 11:50:45 +0900 X-IronPort-AV: E=Sophos;i="5.77,393,1596466800"; d="scan'208";a="60137160" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 19 Oct 2020 11:50:45 +0900 Received: from mercury.renesas.com (unknown [10.166.252.133]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 8694D4005E08; Mon, 19 Oct 2020 11:50:45 +0900 (JST) Message-ID: <87o8kz9blh.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto To: Sameer Pujar Cc: , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v4 09/15] ASoC: dt-bindings: audio-graph: Convert bindings to json-schema In-Reply-To: <1602859382-19505-10-git-send-email-spujar@nvidia.com> References: <1602859382-19505-1-git-send-email-spujar@nvidia.com> <1602859382-19505-10-git-send-email-spujar@nvidia.com> User-Agent: Wanderlust/2.15.9 Emacs/26.3 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Hi Sameer > 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 > Cc: Kuninori Morimoto > --- I'm posting this patch to Rob & DT ML. Not yet accepted, though.. > .../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 > + > +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 >