From: Shengjiu Wang <shengjiu.wang@gmail.com>
To: Rob Herring <robh@kernel.org>
Cc: Shengjiu Wang <shengjiu.wang@nxp.com>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
alsa-devel@alsa-project.org, Timur Tabi <timur@kernel.org>,
Liam Girdwood <lgirdwood@gmail.com>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
Xiubo Li <Xiubo.Lee@gmail.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Takashi Iwai <tiwai@suse.com>,
Nicolin Chen <nicoleotsuka@gmail.com>,
Mark Brown <broonie@kernel.org>,
Fabio Estevam <festevam@gmail.com>
Subject: Re: [PATCH v3 7/7] ASoC: dt-bindings: imx-rpmsg: Add binding doc for rpmsg machine driver
Date: Mon, 8 Mar 2021 21:16:16 +0800 [thread overview]
Message-ID: <CAA+D8APUVqyRRPc4GDwJqQEcnEPLxQMcZ+VhkbbrOx7hQs1jSA@mail.gmail.com> (raw)
In-Reply-To: <20210306203617.GA1164939@robh.at.kernel.org>
On Sun, Mar 7, 2021 at 4:37 AM Rob Herring <robh@kernel.org> wrote:
>
> 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.
>
Ok, I will change it in v4.
best regards
wang shengjiu
prev parent reply other threads:[~2021-03-08 13:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-25 2:52 [PATCH v3 0/7] Add audio driver base on rpmsg on i.MX platform Shengjiu Wang
2021-02-25 2:52 ` [PATCH v3 1/7] ASoC: soc-component: Add snd_soc_pcm_component_ack Shengjiu Wang
2021-02-25 2:52 ` [PATCH v3 2/7] ASoC: fsl_rpmsg: Add CPU DAI driver for audio base on rpmsg Shengjiu Wang
2021-03-04 6:08 ` kernel test robot
2021-02-25 2:52 ` [PATCH v3 3/7] ASoC: dt-bindings: fsl_rpmsg: Add binding doc for rpmsg cpu dai driver Shengjiu Wang
2021-02-25 2:52 ` [PATCH v3 4/7] ASoC: imx-audio-rpmsg: Add rpmsg_driver for audio channel Shengjiu Wang
2021-02-25 2:52 ` [PATCH v3 5/7] ASoC: imx-pcm-rpmsg: Add platform driver for audio base on rpmsg Shengjiu Wang
2021-02-25 2:52 ` [PATCH v3 6/7] ASoC: imx-rpmsg: Add machine " Shengjiu Wang
2021-02-25 2:52 ` [PATCH v3 7/7] ASoC: dt-bindings: imx-rpmsg: Add binding doc for rpmsg machine driver Shengjiu Wang
2021-03-06 20:36 ` Rob Herring
2021-03-08 13:16 ` Shengjiu Wang [this message]
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