From patchwork Fri Feb 5 06:57:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 376879 Delivered-To: patch@linaro.org Received: by 2002:a02:b18a:0:0:0:0:0 with SMTP id t10csp1974673jah; Thu, 4 Feb 2021 23:09:44 -0800 (PST) X-Google-Smtp-Source: ABdhPJy+cd3t9caMxyzSvWnLReOLP3jzzevZV1CNHEEf+/zaVEglEY76pwYZocSyzR6dTW9Jn44H X-Received: by 2002:a17:906:3484:: with SMTP id g4mr2746504ejb.38.1612508984788; Thu, 04 Feb 2021 23:09:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612508984; cv=none; d=google.com; s=arc-20160816; b=WcXz4AIi37V3Qrj7RwaKXeqQtT9Vcc3Wx96KFEOPozZw1QU4D+xeRSQ8gJwOB2tgF1 V8jSOkUTEp2L0RKcEcmZm1s3VYc8PFy0rBKQrR+k2rsm7eelgzICHUXogiBIGp/HyVsT AJ9G9cr+Ln72FiFKmjq6J4ebAF8/zlmL7dmWPS9QDRdBHaRLd98MBDf5UuV4TfQ11s1O xDmmIJqmX04oY7RibCxwEGMNAP+Sjt2BUTdRMTDIVB5lFry6Eb55kg6GyDZuSVup/zSM 59qNDzZPcITOX17YLHM10kEk7wLrAPukU1p2ppvk39lP5wXZn7iLZBb01+Cnt09EVY7D 53iA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :to:from; bh=qv9uyHqT/aJkpXGbftXDgFaLBbcV3fFiJ+6/UTqhnDA=; b=FrkPkH4lLjUDrX5d37RXA8HFMDn//oxXrSY7zc0UaEwINMlscHc1znPsHVGf6jUwvJ oPKwZTiknWg93Lh5y+SOHh4WloHMhJkHIRCw9cJnJkjxuysbiwmoAZZbsKWdYFmzM49Y 2bmjHI0EcCPhY67rEZ9bxE8LHbVBc3bek9LxOJyUeRajxfrvgthDcCiObb7KgLY776Jk eadFx5WJRvcNX0kVZJUwk7TDwMxIqaB0zk+HpriIlTq0LCJQYHhQi2OejO5GaqTq92/q O17MhlEiy0VNz/XSX497K/xlXzDglWn68i4MTVXv/zSZjAyA/l2A4gxHbzBM4rhyG/8x PeKg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j6si4623607ejc.262.2021.02.04.23.09.44; Thu, 04 Feb 2021 23:09:44 -0800 (PST) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231389AbhBEHJn (ORCPT + 6 others); Fri, 5 Feb 2021 02:09:43 -0500 Received: from inva021.nxp.com ([92.121.34.21]:59112 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231376AbhBEHJk (ORCPT ); Fri, 5 Feb 2021 02:09:40 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 9EFA12016A3; Fri, 5 Feb 2021 08:08:53 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 6DD33200B08; Fri, 5 Feb 2021 08:08:48 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id DAFB0402BB; Fri, 5 Feb 2021 08:08:41 +0100 (CET) From: Shengjiu Wang To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, linuxppc-dev@lists.ozlabs.org, robh+dt@kernel.org, devicetree@vger.kernel.org Subject: [PATCH 7/7] ASoC: dt-bindings: imx-rpmsg: Add binding doc for rpmsg machine driver Date: Fri, 5 Feb 2021 14:57:30 +0800 Message-Id: <1612508250-10586-8-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1612508250-10586-1-git-send-email-shengjiu.wang@nxp.com> References: <1612508250-10586-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Imx-rpmsg is a new added machine driver for supporting audio on Cortex-M core. The Cortex-M core will control the audio interface, DMA and audio codec, setup the pipeline, the audio driver on Cortex-A core side is just to communitcate with M core, it is a virtual sound card and don't touch the hardware. Signed-off-by: Shengjiu Wang --- .../bindings/sound/imx-audio-rpmsg.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/imx-audio-rpmsg.yaml -- 2.27.0 diff --git a/Documentation/devicetree/bindings/sound/imx-audio-rpmsg.yaml b/Documentation/devicetree/bindings/sound/imx-audio-rpmsg.yaml new file mode 100644 index 000000000000..b941aeb80678 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/imx-audio-rpmsg.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/imx-audio-rpmsg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX audio complex with rpmsg + +maintainers: + - Shengjiu Wang + +properties: + compatible: + enum: + - fsl,imx-audio-rpmsg + + model: + $ref: /schemas/types.yaml#/definitions/string + description: User specified audio sound card name + + audio-cpu: + description: The phandle of an CPU DAI controller + + rpmsg-out: + description: | + This is a boolean property. If present, the transmitting function + will be enabled, + + rpmsg-in: + description: | + This is a boolean property. If present, the receiving function + will be enabled. + +required: + - compatible + - model + - audio-cpu + +additionalProperties: false + +examples: + - | + sound-rpmsg { + compatible = "fsl,imx-audio-rpmsg"; + model = "ak4497-audio"; + audio-cpu = <&rpmsg_audio>; + rpmsg-out; + };