linux-kernel - RE: [PATCH 1/4] dt-bindings: fsl: add i.MX7ULP PMC binding doc

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Message-ID: <AM6PR04MB4966F55C01E44A581A186AAE80240@AM6PR04MB4966.eurprd04.prod.outlook.com>
Date:   Fri, 11 Sep 2020 10:02:27 +0000
From:   Aisheng Dong <aisheng.dong@....com>
To:     Peng Fan <peng.fan@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        Abel Vesa <abel.vesa@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>
CC:     "kernel@...gutronix.de" <kernel@...gutronix.de>,
        dl-linux-imx <linux-imx@....com>,
        Anson Huang <anson.huang@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: RE: [PATCH 1/4] dt-bindings: fsl: add i.MX7ULP PMC binding doc

> From: Peng Fan <peng.fan@....com>
> Sent: Friday, September 11, 2020 3:45 PM
> 
> > Subject: RE: [PATCH 1/4] dt-bindings: fsl: add i.MX7ULP PMC binding
> > doc
> >
> > > From: Peng Fan <peng.fan@....com>
> > > Sent: Friday, September 11, 2020 11:31 AM
> > >
> > > Add i.MX7ULP Power Management Controller binding doc
> > >
> > > Signed-off-by: Peng Fan <peng.fan@....com>
> > > ---
> > >  .../bindings/arm/freescale/imx7ulp-pmc.yaml   | 33
> > +++++++++++++++++++
> > >  1 file changed, 33 insertions(+)
> > >  create mode 100644
> > > Documentation/devicetree/bindings/arm/freescale/imx7ulp-pmc.yaml
> >
> > I wonder if we can merge it into the exist imx7ulp pm binding doc.
> > Documentation/devicetree/bindings/arm/freescale/fsl,imx7ulp-pm.yaml
> 
> Not sure about this.
> 

If not merge, we probably need change the name of existing pm binding doc to avoid confusing.
e.g.
fsl,imx7ulp-pm.yaml -> fsl,imx7ulp-smc.yaml.

> >
> > >
> > > diff --git
> > > a/Documentation/devicetree/bindings/arm/freescale/imx7ulp-pmc.yaml
> > > b/Documentation/devicetree/bindings/arm/freescale/imx7ulp-pmc.yaml
> > > new file mode 100644
> > > index 000000000000..33a31d87dd62
> > > --- /dev/null
> > > +++
> > b/Documentation/devicetree/bindings/arm/freescale/imx7ulp-pmc.yaml
> > > @@ -0,0 +1,33 @@
> > > +# SPDX-License-Identifier: GPL-2.0
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/arm/freescale/imx7ulp-pmc.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: i.MX7ULP Power Management Controller(PMC) Device Tree
> > > +Bindings
> > > +
> > > +maintainers:
> > > +  - Peng Fan <peng.fan@....com>
> > > +
> > > +properties:
> > > +  compatible:
> > > +    items:
> > > +      - enum:
> > > +          - fsl,imx7ulp-pmc-m4
> > > +          - fsl,imx7ulp-pmc-a7
> >
> > Can we change to the exist naming pattern which also align with HW
> > reference manual?
> > e.g.
> > fsl,imx7ulp-pmc0
> > fsl,imx7ulp-pmc1
> 
> This was rejected by Shawn before.
> https://patchwork.kernel.org/patch/11390591/

I didn't see NACK from Shawn from above URL.
Shawn seemed to just ask for some clarifications why need number suffix.
Am I missed something?

Regards
Aisheng

> 
> Thanks,
> Peng.
> 
> >
> > Aligned with:
> > fsl,imx7ulp-smc1
> > fsl,imx7ulp-pcc2
> > fsl,imx7ulp-scg1
> >
> > Regards
> > Aisheng
> >
> > > +
> > > +  reg:
> > > +    maxItems: 1
> > > +
> > > +required:
> > > +  - compatible
> > > +  - reg
> > > +
> > > +additionalProperties: false
> > > +
> > > +examples:
> > > +  - |
> > > +    pmc0: pmc-m4@...a1000 {
> > > +        compatible = "fsl,imx7ulp-pmc-m4";
> > > +        reg = <0x410a1000 0x1000>;
> > > +    };
> > > --
> > > 2.28.0