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[209.132.180.67]) by mx.google.com with ESMTP id z13-v6si1172763pfc.118.2018.07.17.08.37.10; Tue, 17 Jul 2018 08:37:10 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@baylibre-com.20150623.gappssmtp.com header.s=20150623 header.b=fEIMBEKO; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731446AbeGQQKT (ORCPT + 31 others); Tue, 17 Jul 2018 12:10:19 -0400 Received: from mail-wm0-f67.google.com ([74.125.82.67]:52822 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730811AbeGQQKT (ORCPT ); Tue, 17 Jul 2018 12:10:19 -0400 Received: by mail-wm0-f67.google.com with SMTP id o11-v6so1960812wmh.2 for ; Tue, 17 Jul 2018 08:37:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Gf0R91kG2d7lDzaIoH7oyEyl99OABalSiO8tr5ySzv0=; b=fEIMBEKO2NmQ+VzmN6lPPq6zgOaL8BDCq0t7FKR550zQSX/s1c1B9HdXQyXL6gXBsz vwczuUhVVvq1Q74r7hGfbUV6f6/j3Kwj4kMnjTYyBIvS5VOVvG8Et/1CpukU2f3pT4BR FIe/2M314l2Tewx8QRpC4qi1vt4I/TJfO2m/qk1VTk0JDaqB6jQAb/U5ybnNeA18ra2U Lrq5AxOs9ijPKaUekbwqlWmWd8xQNDj7ioS6ElSFx241YI0GfAxtUNl/0qobmozI+llb LZ7cRq60UtHDwTqZfRBBicDwaOlxL3Ppf9IRjAsI26CRyLnVklSvWQtzA3kO67U8/OdR e/tg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Gf0R91kG2d7lDzaIoH7oyEyl99OABalSiO8tr5ySzv0=; b=XbV4OoZlFS4QU0jMWFPic/bllhz/BJt8v1g3MMl9UmHSXJ1zMik0dJl7eIDE5MBJP4 2k03HAgLvmhWSRu68Lmif6IcQezIhkarSwGmjwkgERQtg46iwtovLn2/gNHJHPxXOFmZ dXfZdgopfnVUVv6ihJhYACIFwCH9FiSWSC3xFH3/YH0Od0oqzpWRkEFRiWvi3dHn4Gqt Z86PWtagpogxg73idQxoBOsWjucH9F/wLSMtg4T8R2SktxDyZ9X+pXu8BKvlWHLmd3iW NFnUPifiYyAgG6ErWxan5Cm2/6A3F8ZJ1/revj6zOvdtJiBf7M1QRnmmSSR+Vf2l1GFO 57QA== X-Gm-Message-State: AOUpUlFZ9Zr1LwnZL3mCTANtVaehS/Kh9r0B7RSIN+rEYeV0AOy+Bpuc 0m2tWn59HajexHNTTScO1+lb/Q== X-Received: by 2002:a1c:ea53:: with SMTP id i80-v6mr1830568wmh.113.1531841825082; Tue, 17 Jul 2018 08:37:05 -0700 (PDT) Received: from boomer.baylibre.local ([90.63.244.31]) by smtp.googlemail.com with ESMTPSA id h12-v6sm16971464wmb.3.2018.07.17.08.37.03 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 17 Jul 2018 08:37:04 -0700 (PDT) From: Jerome Brunet To: Mark Brown , Liam Girdwood , Kevin Hilman , Carlo Caione Cc: Jerome Brunet , alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org Subject: [PATCH 14/15] ASoC: meson: add axg sound card DT binding documentation Date: Tue, 17 Jul 2018 17:36:41 +0200 Message-Id: <20180717153643.8806-18-jbrunet@baylibre.com> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180717153643.8806-1-jbrunet@baylibre.com> References: <20180717153643.8806-1-jbrunet@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the DT binding documentation for axg sound card Signed-off-by: Jerome Brunet --- .../bindings/sound/amlogic,axg-sound-card.txt | 124 +++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.txt -- 2.14.4 diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.txt b/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.txt new file mode 100644 index 000000000000..39e005da0407 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.txt @@ -0,0 +1,124 @@ +Amlogic AXG sound card: + +Required properties: + +- compatible: "amlogic,axg-sound-card" +- amlogic,name : User specified audio sound card name, one string + +Optional properties: + +- amlogic,aux-devs : List of phandles pointing to auxiliary devices +- amlogic,widgets : Please refer to widgets.txt. +- amlogic,routing : A list of the connections between audio components. + +Subnodes: + +- amlogic,dai-link: Container for dai-link level properties and the + CODEC sub-nodes. There should be at least one (and + probably) subnode of this type. + +Required dai-link properties: + +- sound-dai: phandle and port of the CPU DAI. + +Required TDM Backend dai-link properties: +- dai-format : CPU/CODEC common audio format + +Optional TDM Backend dai-link properties: +- dai-tdm-slot-rx-mask-{0,1,2,3}: Receive direction slot masks +- dai-tdm-slot-tx-mask-{0,1,2,3}: Transmit direction slot masks + When omitted, mask is assumed to have to no + slots. A valid must have at one slot, so at + least one these mask should be provided with + an enabled slot. +- dai-tdm-slot-num : Please refer to tdm-slot.txt. + If omitted, slot number is set to accommodate the largest + mask provided. +- dai-tdm-slot-width : Please refer to tdm-slot.txt. default to 32 if omitted. +- mclk-fs : Multiplication factor between stream rate and mclk + +Backend dai-link subnodes: + +- codec: dai-link representing backend links should have at least one subnode. + One subnode for each codec of the dai-link. + dai-link representing frontend links have no codec, therefore have no + subnodes + +Required codec subnodes properties: + +- sound-dai: phandle and port of the CODEC DAI. + +Optional codec subnodes properties: + +- dai-tdm-slot-tx-mask : Please refer to tdm-slot.txt. +- dai-tdm-slot-rx-mask : Please refer to tdm-slot.txt. + +Example: + +sound { + compatible = "amlogic,axg-sound-card"; + amlogic,name = "AXG-S420"; + amlogic,aux-devs = <&tdmin_a>, <&tdmout_c>; + amlogic,widgets = "Line", "Lineout", + "Line", "Linein", + "Speaker", "Speaker1 Left", + "Speaker", "Speaker1 Right"; + "Speaker", "Speaker2 Left", + "Speaker", "Speaker2 Right"; + amlogic,routing = "TDMOUT_C IN 0", "FRDDR_A OUT 2", + "SPDIFOUT IN 0", "FRDDR_A OUT 3", + "TDM_C Playback", "TDMOUT_C OUT", + "TDMIN_A IN 2", "TDM_C Capture", + "TDMIN_A IN 5", "TDM_C Loopback", + "TODDR_A IN 0", "TDMIN_A OUT", + "Lineout", "Lineout AOUTL", + "Lineout", "Lineout AOUTR", + "Speaker1 Left", "SPK1 OUT_A", + "Speaker2 Left", "SPK2 OUT_A", + "Speaker1 Right", "SPK1 OUT_B", + "Speaker2 Right", "SPK2 OUT_B", + "Linein AINL", "Linein", + "Linein AINR", "Linein"; + + amlogic,dai-link@0 { + sound-dai = <&frddr_a>; + }; + + amlogic,dai-link@1 { + sound-dai = <&toddr_a>; + }; + + amlogic,dai-link@2 { + sound-dai = <&tdmif_c>; + dai-format = "i2s"; + dai-tdm-slot-tx-mask-2 = <1 1>; + dai-tdm-slot-tx-mask-3 = <1 1>; + dai-tdm-slot-rx-mask-1 = <1 1>; + mclk-fs = <256>; + + codec@0 { + sound-dai = <&lineout>; + }; + + codec@1 { + sound-dai = <&speaker_amp1>; + }; + + codec@2 { + sound-dai = <&speaker_amp2>; + }; + + codec@3 { + sound-dai = <&linein>; + }; + + }; + + amlogic,dai-link@4 { + sound-dai = <&spdifout>; + + codec { + sound-dai = <&spdif_dit>; + }; + }; +};