linux-kernel - Re: [PATCH v3 1/2] arm64: dts: imx8mm: Add SAI nodes

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Date:   Mon, 20 May 2019 16:33:07 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Daniel Baluta <daniel.baluta@....com>
Cc:     "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        dl-linux-imx <linux-imx@....com>,
        Aisheng Dong <aisheng.dong@....com>,
        Anson Huang <anson.huang@....com>,
        "S.j. Wang" <shengjiu.wang@....com>, Peng Fan <peng.fan@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "m.felsch@...gutronix.de" <m.felsch@...gutronix.de>
Subject: Re: [PATCH v3 1/2] arm64: dts: imx8mm: Add SAI nodes

On Thu, May 16, 2019 at 3:33 PM Fabio Estevam <festevam@...il.com> wrote:
>
> Hi Daniel,
>
> On Wed, May 15, 2019 at 11:42 AM Daniel Baluta <daniel.baluta@....com> wrote:
> >
> > i.MX8MM has 5 SAI instances with the following base
> > addresses according to RM.
> >
> > SAI1 base address: 3001_0000h
> > SAI2 base address: 3002_0000h
> > SAI3 base address: 3003_0000h
> > SAI5 base address: 3005_0000h
> > SAI6 base address: 3006_0000h
>
> No SAI4?
>
> I know the RM does not show the SAI4 in the memory map, but the clock
> driver does show a SAI4 clock gate.
>
> So it seems we have a contradiction in the reference manual. Could you
> please double check with the internal folks?

Despite the SAI4 confusion, the current patch correctly describe the
SAI interfaces as per the Reference Manual, so:

Reviewed-by: Fabio Estevam <festevam@...il.com>