From patchwork Fri Jan 6 16:37:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 13091575 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C48C0C3DA7A for ; Fri, 6 Jan 2023 16:41:28 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id B4CD614831; Fri, 6 Jan 2023 17:40:36 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz B4CD614831 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1673023286; bh=GYaUhXsPb0SuJnvYcWVomdLjFr9K1hWqWlMPv0IsRCE=; h=From:To:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: Cc:From; b=ZMoYTGpjGED6A37WvRffLTUbEuh9xwFHwjSDJtq/no1PiqcODDhBsszwx3J/fDkjJ 2mCOEKRMMtW7ogplbL1/j3nIw70yXBUSH+DF30Po5GKnOwh2232FD7XTLvvmWJVdfC 8esz/UuUBSHcpmM99QabLd/DuXn0wVW2kNilvUow= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 9A10BF805A0; Fri, 6 Jan 2023 17:38:31 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 6D6C4F80587; Fri, 6 Jan 2023 17:38:29 +0100 (CET) Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [IPv6:2001:4b98:dc4:8::231]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id C132EF80579 for ; Fri, 6 Jan 2023 17:38:26 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz C132EF80579 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256 header.s=gm1 header.b=SByRr+7g Received: (Authenticated sender: herve.codina@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id B7F1B10000A; Fri, 6 Jan 2023 16:38:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1673023105; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fwN9f1Uf9OnuRKb5i5JlqxFqzREU6PwCAerriE9fsNU=; b=SByRr+7gcbkYBRtLXB4anCzVQoz1maVymSN3z+wF+otU00mpOnYch44/qrM1I6jvs9Qqlr 0rABT7GUvTMfkMg/cbpNa8kjcvjAfSY7Si23euyx/+M41eZL4V9zd3yV8l08WVYU/sZ3eY C4yOGeBoJHCw3iu4bO71Dqkz3HmlZO4B0SIsYYluT9jQsyQJCQ+3Q7IlhtYorKBCDIpI2z dgn13k5IMkWAPBT66hAR7s1oU6YiW4RR7SlEOpmJg30I/e/34a7SA00tHiB+/MMdpKCpsL VDFwPNHDjsOwQ2cqi3MpGuKIGaSZlhVEctPbZCZzB0DfVS0YoDZ+DViLQwddBw== From: Herve Codina To: Herve Codina , Li Yang , Rob Herring , Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Christophe Leroy , Michael Ellerman , Nicholas Piggin , Qiang Zhao , Jaroslav Kysela , Takashi Iwai , Shengjiu Wang , Xiubo Li , Fabio Estevam , Nicolin Chen Subject: [PATCH v2 08/10] dt-bindings: sound: Add support for QMC audio Date: Fri, 6 Jan 2023 17:37:44 +0100 Message-Id: <20230106163746.439717-9-herve.codina@bootlin.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230106163746.439717-1-herve.codina@bootlin.com> References: <20230106163746.439717-1-herve.codina@bootlin.com> MIME-Version: 1.0 X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Thomas Petazzoni , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" The QMC (QUICC mutichannel controller) is a controller present in some PowerQUICC SoC such as MPC885. The QMC audio is an ASoC component that uses the QMC controller to transfer the audio data. Signed-off-by: Herve Codina --- .../bindings/sound/fsl,qmc-audio.yaml | 110 ++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/fsl,qmc-audio.yaml diff --git a/Documentation/devicetree/bindings/sound/fsl,qmc-audio.yaml b/Documentation/devicetree/bindings/sound/fsl,qmc-audio.yaml new file mode 100644 index 000000000000..b3774be36c19 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/fsl,qmc-audio.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/fsl,qmc-audio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: QMC audio + +maintainers: + - Herve Codina + +description: | + The QMC audio is an ASoC component which uses QMC (QUICC Multichannel + Controller) channels to transfer the audio data. + It provides as many DAI as the number of QMC channel used. + +properties: + compatible: + items: + - const: fsl,qmc-audio + + '#address-cells': + const: 1 + '#size-cells': + const: 0 + '#sound-dai-cells': + const: 1 + +patternProperties: + "^dai@([0-9]|[1-5][0-9]|6[0-3])$": + description: + A DAI managed by this controller + type: object + + properties: + reg: + minimum: 0 + maximum: 63 + description: + The DAI number + + qmc-chan: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: phandle to the QMC channel + maxItems: 1 + + required: + - reg + - qmc-chan + +required: + - compatible + - '#address-cells' + - '#size-cells' + - '#sound-dai-cells' + +additionalProperties: false + +examples: + - | + qmc_audio: qmc_audio { + compatible = "fsl,qmc-audio"; + #address-cells = <1>; + #size-cells = <0>; + #sound-dai-cells = <1>; + dai@16 { + reg = <16>; + qmc-chan = <&scc_qmc 16>; + }; + dai@17 { + reg = <17>; + qmc-chan = <&scc_qmc 17>; + }; + }; + + sound { + compatible = "simple-audio-card"; + #address-cells = <1>; + #size-cells = <0>; + simple-audio-card,dai-link@0 { + reg = <0>; + format = "dsp_b"; + cpu { + sound-dai = <&qmc_audio 16>; + }; + codec { + sound-dai = <&codec1>; + dai-tdm-slot-num = <4>; + dai-tdm-slot-width = <8>; + /* TS 3, 5, 7, 9 */ + dai-tdm-slot-tx-mask = <0 0 0 1 0 1 0 1 0 1>; + dai-tdm-slot-rx-mask = <0 0 0 1 0 1 0 1 0 1>; + }; + }; + simple-audio-card,dai-link@1 { + reg = <1>; + format = "dsp_b"; + cpu { + sound-dai = <&qmc_audio 17>; + }; + codec { + sound-dai = <&codec2>; + dai-tdm-slot-num = <4>; + dai-tdm-slot-width = <8>; + /* TS 2, 4, 6, 8 */ + dai-tdm-slot-tx-mask = <0 0 1 0 1 0 1 0 1>; + dai-tdm-slot-rx-mask = <0 0 1 0 1 0 1 0 1>; + }; + }; + };