From: Rob Herring <robh@kernel.org>
To: Shengjiu Wang <shengjiu.wang@nxp.com>
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
Subject: Re: [PATCH v3 7/7] ASoC: dt-bindings: imx-rpmsg: Add binding doc for rpmsg machine driver
Date: Sat, 6 Mar 2021 13:36:17 -0700 [thread overview]
Message-ID: <20210306203617.GA1164939@robh.at.kernel.org> (raw)
In-Reply-To: <1614221563-26822-8-git-send-email-shengjiu.wang@nxp.com>
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
next prev parent reply other threads:[~2021-03-06 20:36 UTC|newest]
Thread overview: 10+ 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
2021-02-25 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 [this message]
2021-03-08 13:16 ` Shengjiu Wang
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