linux-kernel - Re: [PATCH 10/10] ASoC: fsl_sai: Add support for imx7ulp/imx8mq

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Date:   Mon, 22 Jul 2019 15:04:07 +0200
From:   Lucas Stach <l.stach@...gutronix.de>
To:     Daniel Baluta <daniel.baluta@....com>, broonie@...nel.org
Cc:     festevam@...il.com, perex@...ex.cz, tiwai@...e.com,
        Xiubo.Lee@...il.com, nicoleotsuka@...il.com, timur@...nel.org,
        alsa-devel@...a-project.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, linux-imx@....com,
        shengjiu.wang@....com, angus@...ea.ca, kernel@...gutronix.de,
        viorel.suman@....com
Subject: Re: [PATCH 10/10] ASoC: fsl_sai: Add support for imx7ulp/imx8mq

Am Montag, den 22.07.2019, 15:48 +0300 schrieb Daniel Baluta:
> SAI module on imx7ulp/imx8m features 2 new registers (VERID and PARAM)
> at the beginning of register address space.
> 
> On imx7ulp FIFOs can held up to 16 x 32 bit samples.
> On imx8mq FIFOs can held up to 128 x 32 bit samples.
> 
> > Signed-off-by: Daniel Baluta <daniel.baluta@....com>
> ---
>  sound/soc/fsl/fsl_sai.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
> index f2441b84877e..b05837465b5a 100644
> --- a/sound/soc/fsl/fsl_sai.c
> +++ b/sound/soc/fsl/fsl_sai.c
> @@ -1065,10 +1065,24 @@ static const struct fsl_sai_soc_data fsl_sai_imx6sx_data = {
> >  	.reg_offset = 0,
>  };
>  
> +static const struct fsl_sai_soc_data fsl_sai_imx7ulp_data = {
> > +	.use_imx_pcm = true,
> > +	.fifo_depth = 16,
> > +	.reg_offset = 8,
> +};
> +
> +static const struct fsl_sai_soc_data fsl_sai_imx8mq_data = {
> > +	.use_imx_pcm = true,
> > +	.fifo_depth = 128,
> > +	.reg_offset = 8,
> +};
> +
>  static const struct of_device_id fsl_sai_ids[] = {
> >  	{ .compatible = "fsl,vf610-sai", .data = &fsl_sai_vf610_data },
> >  	{ .compatible = "fsl,imx6sx-sai", .data = &fsl_sai_imx6sx_data },
> >  	{ .compatible = "fsl,imx6ul-sai", .data = &fsl_sai_imx6sx_data },
> > +	{ .compatible = "fsl,imx7ulp-sai", .data = &fsl_sai_imx7ulp_data },
> > +	{ .compatible = "fsl,imx8mq-sai", .data = &fsl_sai_imx8mq_data },
> > 
Those two new compatibles need to be documented in the DT bindings.

Regards,
Lucas