From patchwork Thu Feb 25 02:52:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 387192 Delivered-To: patch@linaro.org Received: by 2002:a02:290e:0:0:0:0:0 with SMTP id p14csp889984jap; Wed, 24 Feb 2021 19:07:20 -0800 (PST) X-Google-Smtp-Source: ABdhPJxaNy+yIOgxdhB866YBtGLDz5jfijEUb03WhArBkdjQnM3zR5fqLwW5Ure+WRhIeYVBwtZk X-Received: by 2002:a17:906:145b:: with SMTP id q27mr688769ejc.432.1614222440108; Wed, 24 Feb 2021 19:07:20 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1614222440; cv=none; d=google.com; s=arc-20160816; b=U9sEX53uEH2P2Wh6Rd3Vaz+8jNvJiTJAWR2BrmMyhFFaTqQRQ0mUgzY/E5f7feI8km mlPQmonlpAvy6ga25t9SiEsl8ZSrBIuR2zdfn+Go8PiayLZXktiHBsyQ6mWOshNX4aLX ghpR1B/sAvUTYKAPqmWVf0K/AYkGdTFVFzHxT/riEBXV+6ZyftGNzo3TfAJwaWJIdGZT 4PBfQF2kKWUubVzce3ApgAZ05gwapnhFqIQeemx7YMfUSM8m9pWeBhVEoaHYtpai/yOs OqC4js2cEDVvRiYAjvjbh9JywVuZCB9rD1nGahrdEIe8fSAJaFiBABnhJgFx+UtJendj Bs3g== 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=4OFT65NyiA3TcjwjJ2Km93iuccbgrVVD9jH2FXTe4Ao=; b=jAk1VHGXDNdTcl5iLNgqJMczS/9cWeqxwtDlcZUdQzmhPpbs7vXJFcQbeH5SZ1Fipt Zc3CdkFMET6U2Rixsc+8tW91wAHuEX+wTAOx2AjZwre4W3oh/7yYKqf/zVV78ZCd9+ba XPJPA5yVAmbuCtknRR261nkiX++UDc3tAjO+vdc/Dy37IU+y8r/YnTiQoFs7abHrS3Pb f6/FdpBrMdio507lCry9PFhSPHe8v8zdLBT206gnXTvHxMu+jTOBOna/QSpdE5WBPecI L0d1AddbModC+D58iynSlDoyLiUVpBT7ljKudkLZWmx4G6ar4mUFvWIZjEVlWHOIoN5U Bz1Q== 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 hs7si2757584ejc.745.2021.02.24.19.07.19; Wed, 24 Feb 2021 19:07:20 -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 S236963AbhBYDGX (ORCPT + 6 others); Wed, 24 Feb 2021 22:06:23 -0500 Received: from inva021.nxp.com ([92.121.34.21]:40632 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236950AbhBYDGQ (ORCPT ); Wed, 24 Feb 2021 22:06:16 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 3F20620073E; Thu, 25 Feb 2021 04:05:29 +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 9E037200729; Thu, 25 Feb 2021 04:05:22 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id DD58E4032A; Thu, 25 Feb 2021 04:05:14 +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 v3 7/7] ASoC: dt-bindings: imx-rpmsg: Add binding doc for rpmsg machine driver Date: Thu, 25 Feb 2021 10:52:43 +0800 Message-Id: <1614221563-26822-8-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1614221563-26822-1-git-send-email-shengjiu.wang@nxp.com> References: <1614221563-26822-1-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 | 55 +++++++++++++++++++ 1 file changed, 55 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..ff9b3fc69dae --- /dev/null +++ b/Documentation/devicetree/bindings/sound/imx-audio-rpmsg.yaml @@ -0,0 +1,55 @@ +# 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 + +description: | + imx-rpmsg is a machine driver for supporting audio by rpmsg. + 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. + +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; + };