From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6E40C433DB for ; Sat, 6 Mar 2021 20:36:47 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EFA1464F56 for ; Sat, 6 Mar 2021 20:36:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EFA1464F56 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4DtGbx3N2gz3dFm for ; Sun, 7 Mar 2021 07:36:45 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=209.85.216.41; helo=mail-pj1-f41.google.com; envelope-from=robherring2@gmail.com; receiver=) Received: from mail-pj1-f41.google.com (mail-pj1-f41.google.com [209.85.216.41]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4DtGbZ6zvBz2xxw for ; Sun, 7 Mar 2021 07:36:25 +1100 (AEDT) Received: by mail-pj1-f41.google.com with SMTP id nh23-20020a17090b3657b02900c0d5e235a8so1022964pjb.0 for ; Sat, 06 Mar 2021 12:36:25 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=kxst1hG7ALyCmuPlQ7JFD7SMZloRyR6/yTfXMK8W7T0=; b=Q1WdDMhEW3Kq5DbuNmNMNaKOyohPvq6d4tQeRhlN4GCja3wktujKsY7hBSHVp1Z6en 6ysgCIkqQaNrGski/tBmlHZP5KsS3r1sqnugTqk2QLvMWaL3YMT2ADkIY0gOuF1Ykj+b xlE9KixlkhJx1J1FhxoPph8urFrVwTPff8AZrL985Wrhtbumr7mkqdOb9Fa3SsV8bjf6 Is+ls/0/1/z0RoY77jWdZpxD2Nb1eQK9Sj6GcckojFDl4nclNN8z3JW/UXfn+I/+Mz/w Jxl5vbObX8hzum1PTfAVR7MZLPIoaOJjKRt7tjf4Reo3/j20IDqLVurPS41s4TLVVRHI SNgw== X-Gm-Message-State: AOAM532sgarROCw6aEch1kVNvrJG3QSp3cmmc8HgLI2OL5NS3vaAph/i WgF04ifDZpX4hePfjfqPgw== X-Google-Smtp-Source: ABdhPJz0P+6rkvVUSXxTrcwxqhCKO6b8X5k2tVKedc0iXxGFF8nD+HcxsXL0EuR95YHQZyqlJKMczg== X-Received: by 2002:a17:90b:809:: with SMTP id bk9mr16677761pjb.83.1615062983602; Sat, 06 Mar 2021 12:36:23 -0800 (PST) Received: from robh.at.kernel.org ([172.58.27.98]) by smtp.gmail.com with ESMTPSA id t22sm6300886pjw.54.2021.03.06.12.36.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 06 Mar 2021 12:36:22 -0800 (PST) Received: (nullmailer pid 1172590 invoked by uid 1000); Sat, 06 Mar 2021 20:36:17 -0000 Date: Sat, 6 Mar 2021 13:36:17 -0700 From: Rob Herring To: Shengjiu Wang Subject: Re: [PATCH v3 7/7] ASoC: dt-bindings: imx-rpmsg: Add binding doc for rpmsg machine driver Message-ID: <20210306203617.GA1164939@robh.at.kernel.org> References: <1614221563-26822-1-git-send-email-shengjiu.wang@nxp.com> <1614221563-26822-8-git-send-email-shengjiu.wang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1614221563-26822-8-git-send-email-shengjiu.wang@nxp.com> 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: , Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, timur@kernel.org, lgirdwood@gmail.com, linuxppc-dev@lists.ozlabs.org, Xiubo.Lee@gmail.com, linux-kernel@vger.kernel.org, tiwai@suse.com, nicoleotsuka@gmail.com, broonie@kernel.org, perex@perex.cz, festevam@gmail.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, Feb 25, 2021 at 10:52:43AM +0800, Shengjiu Wang wrote: > 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. This sounds like 1 h/w block (the interface to the cortex-M), your DT should be 1 node. If you need 2 drivers to satisfy the needs of the OS, then instantiate one device from the other device's driver. Rob