From patchwork Fri Jan 6 13:29:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 640474 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C63B1C3DA7A for ; Fri, 6 Jan 2023 13:31:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234211AbjAFNa7 (ORCPT ); Fri, 6 Jan 2023 08:30:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60780 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234410AbjAFNaa (ORCPT ); Fri, 6 Jan 2023 08:30:30 -0500 Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3946D76822; Fri, 6 Jan 2023 05:30:25 -0800 (PST) Received: (Authenticated sender: herve.codina@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id D0C214000B; Fri, 6 Jan 2023 13:30:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1673011824; 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=B832sqgAaoSwHkU07+7/0+oJEu8BXJTq9OItkXRSgTypGSyfXDgbQH4GmAKHmr1N85oQB6 NH+vmxoj6O4urHmiQvwyQfy+pjwxjZDt9bdf+pJPP0aboYNr2BGR+cWL94QTFY4OhYMaml NgXr2s+tjaELZLpaLOSfaHpG7RF17nG3kCD4utFNG5nLh+fLt+JPQIN2n6w6oRxu4YC5sA tWEsoTKJuQTk5Ux52HmWGdKnt921yBjwk9j8i/gO4jAdDwhD0hM4cbWbkOPgDuOo3qsfzu E8oF1yXrFhXq4p6l9CUUIJ8z3dG1XOoptM21oXtsLzjqGKyVq63S7Xx08BaWEA== 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 Cc: linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, Thomas Petazzoni Subject: [PATCH 08/10] dt-bindings: sound: Add support for QMC audio Date: Fri, 6 Jan 2023 14:29:49 +0100 Message-Id: <20230106132951.392271-9-herve.codina@bootlin.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230106132951.392271-1-herve.codina@bootlin.com> References: <20230106132951.392271-1-herve.codina@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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>; + }; + }; + };