Re: [PATCH v2 1/4] ASoC: dt-bindings: fsl,imx-asrc: Add support for i.MX952 platform

Daniel Baluta
2026-01-30T07:20:25Z

On Fri, Jan 30, 2026 at 7:44 AM Shengjiu Wang <shengjiu.wang@nxp.com> wrote:
>
> Add new compatible string 'fsl,imx952-asrc' for i.MX952 platform,
> below are the differences that make this ASRC not fallback compatible
> with other platforms.
>
> 1) There is a power domain on i.MX952 for the wakeupmix system where
> ASRC is in. But it is enabled by default, ASRC device don't need
> to enable it, so it is optional for i.MX952.
> 2) The clock sources of ASRC are different on i.MX952.
> 3) There is a limitation on i.MX952 that DMA request is not cleared at the
> end of conversion with dma slave mode. Which causes sample is dropped from
> the input fifo on the second time if DMA is triggered before the client
> device and DMA may copy wrong data from output fifo as the output fifo is
> not ready in the beginning. So there is specially handling in the driver.
>
> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>

Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>