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: 1444119 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4DmHlx44bGz9sVR for ; Thu, 25 Feb 2021 14:07:57 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4DmHlx2wl7z3cmf for ; Thu, 25 Feb 2021 14:07:57 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nxp.com (client-ip=92.121.34.21; helo=inva021.nxp.com; envelope-from=shengjiu.wang@nxp.com; receiver=) Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4DmHj756nDz3cYZ for ; Thu, 25 Feb 2021 14:05:31 +1100 (AEDT) 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 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 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; + };