linux-kernel - RE: [PATCH V3 1/2] dt-bindings: reset: imx7: Add support for i.MX8MM

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Message-ID: <DB3PR0402MB39167B9A3CFAE6D8798B3CAEF5F50@DB3PR0402MB3916.eurprd04.prod.outlook.com>
Date:   Fri, 5 Jul 2019 00:26:38 +0000
From:   Anson Huang <anson.huang@....com>
To:     Philipp Zabel <p.zabel@...gutronix.de>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        Leonard Crestez <leonard.crestez@....com>,
        Jacky Bai <ping.bai@....com>,
        Daniel Baluta <daniel.baluta@....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>
CC:     dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH V3 1/2] dt-bindings: reset: imx7: Add support for i.MX8MM

Hi, Philipp

> On Thu, 2019-07-04 at 17:44 +0800, Anson.Huang@....com wrote:
> > From: Anson Huang <Anson.Huang@....com>
> >
> > i.MX8MM can reuse i.MX8MQ's reset driver, update the compatible
> > property and related info to support i.MX8MM.
> >
> > Signed-off-by: Anson Huang <Anson.Huang@....com>
> > ---
> > Changes since V2:
> > 	- Add separate line for i.MX8MM in case anything different later for
> i.MX8MM.
> > ---
> >  Documentation/devicetree/bindings/reset/fsl,imx7-src.txt | 6 ++++--
> >  1 file changed, 4 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt
> > b/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt
> > index 13e0951..c2489e4 100644
> > --- a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt
> > +++ b/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt
> > @@ -8,6 +8,7 @@ Required properties:
> >  - compatible:
> >  	- For i.MX7 SoCs should be "fsl,imx7d-src", "syscon"
> >  	- For i.MX8MQ SoCs should be "fsl,imx8mq-src", "syscon"
> > +	- For i.MX8MM SoCs should be "fsl,imx8mm-src", "fsl,imx8mq-src",
> "syscon"
> >  - reg: should be register base and length as documented in the
> >    datasheet
> >  - interrupts: Should contain SRC interrupt @@ -46,5 +47,6 @@ Example:
> >
> >
> >  For list of all valid reset indices see
> > -<dt-bindings/reset/imx7-reset.h> for i.MX7 and
> > -<dt-bindings/reset/imx8mq-reset.h> for i.MX8MQ
> > +<dt-bindings/reset/imx7-reset.h> for i.MX7,
> > +<dt-bindings/reset/imx8mq-reset.h> for i.MX8MQ and
> > +<dt-bindings/reset/imx8mq-reset.h> for i.MX8MM
> 
> The last line is misleading, as that file contains reset indices that are invalid
> for i.MX8MM.

What is your suggestion about this line? Just NOT change it? Or adding a new file
imx8mm-reset.h but still use the IMX8MQ_RESET_ as prefix ? Or keep what I changed, but
adding some comments in those macros that i.MX8MM does NOT support?

Thanks,
Anson.

> 
> regards
> Philipp