linux-kernel - Re: [PATCH v3 net-next 02/13] dt-bindings: net: add i.MX95 ENETC support

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Message-ID: <9407049.rMLUfLXkoz@steina-w>
Date: Fri, 18 Oct 2024 13:39:10 +0200
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Frank Li <frank.li@....com>, Wei Fang <wei.fang@....com>
Cc: "davem@...emloft.net" <davem@...emloft.net>, "edumazet@...gle.com" <edumazet@...gle.com>, "kuba@...nel.org" <kuba@...nel.org>, "pabeni@...hat.com" <pabeni@...hat.com>, "robh@...nel.org" <robh@...nel.org>, "krzk+dt@...nel.org" <krzk+dt@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>, Vladimir Oltean <vladimir.oltean@....com>, Claudiu Manoil <claudiu.manoil@....com>, Clark Wang <xiaoning.wang@....com>, "christophe.leroy@...roup.eu" <christophe.leroy@...roup.eu>, "linux@...linux.org.uk" <linux@...linux.org.uk>, "bhelgaas@...gle.com" <bhelgaas@...gle.com>, "horms@...nel.org" <horms@...nel.org>, "imx@...ts.linux.dev" <imx@...ts.linux.dev>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [PATCH v3 net-next 02/13] dt-bindings: net: add i.MX95 ENETC support

Hi,

Am Freitag, 18. Oktober 2024, 09:50:43 CEST schrieb Wei Fang:
> > -----Original Message-----
> > From: Alexander Stein <alexander.stein@...tq-group.com>
> > Sent: 2024年10月18日 14:53
> > To: Frank Li <frank.li@....com>; Wei Fang <wei.fang@....com>
> > Cc: davem@...emloft.net; edumazet@...gle.com; kuba@...nel.org;
> > pabeni@...hat.com; robh@...nel.org; krzk+dt@...nel.org;
> > conor+dt@...nel.org; Vladimir Oltean <vladimir.oltean@....com>; Claudiu
> > Manoil <claudiu.manoil@....com>; Clark Wang <xiaoning.wang@....com>;
> > christophe.leroy@...roup.eu; linux@...linux.org.uk; bhelgaas@...gle.com;
> > horms@...nel.org; imx@...ts.linux.dev; netdev@...r.kernel.org;
> > devicetree@...r.kernel.org; linux-kernel@...r.kernel.org;
> > linux-pci@...r.kernel.org
> > Subject: Re: [PATCH v3 net-next 02/13] dt-bindings: net: add i.MX95 ENETC
> > support
> > 
> > Hi,
> > 
> > Am Freitag, 18. Oktober 2024, 03:20:55 CEST schrieb Wei Fang:
> > > > -----Original Message-----
> > > > From: Frank Li <frank.li@....com>
> > > > Sent: 2024年10月18日 0:23
> > > > To: Wei Fang <wei.fang@....com>
> > > > Cc: davem@...emloft.net; edumazet@...gle.com; kuba@...nel.org;
> > > > pabeni@...hat.com; robh@...nel.org; krzk+dt@...nel.org;
> > > > conor+dt@...nel.org; Vladimir Oltean <vladimir.oltean@....com>;
> > > > conor+Claudiu
> > > > Manoil <claudiu.manoil@....com>; Clark Wang
> > <xiaoning.wang@....com>;
> > > > christophe.leroy@...roup.eu; linux@...linux.org.uk;
> > > > bhelgaas@...gle.com; horms@...nel.org; imx@...ts.linux.dev;
> > > > netdev@...r.kernel.org; devicetree@...r.kernel.org;
> > > > linux-kernel@...r.kernel.org; linux-pci@...r.kernel.org
> > > > Subject: Re: [PATCH v3 net-next 02/13] dt-bindings: net: add i.MX95
> > > > ENETC support
> > > >
> > > > On Thu, Oct 17, 2024 at 03:46:26PM +0800, Wei Fang wrote:
> > > > > The ENETC of i.MX95 has been upgraded to revision 4.1, and the
> > > > > vendor ID and device ID have also changed, so add the new
> > > > > compatible strings for i.MX95 ENETC. In addition, i.MX95 supports
> > > > > configuration of RGMII or RMII reference clock.
> > > > >
> > > > > Signed-off-by: Wei Fang <wei.fang@....com>
> > > > > ---
> > > > > v2: Remove "nxp,imx95-enetc" compatible string.
> > > > > v3:
> > > > > 1. Add restriction to "clcoks" and "clock-names" properties and
> > > > > rename the clock, also remove the items from these two properties.
> > > > > 2. Remove unnecessary items for "pci1131,e101" compatible string.
> > > > > ---
> > > > >  .../devicetree/bindings/net/fsl,enetc.yaml    | 22
> > ++++++++++++++++---
> > > > >  1 file changed, 19 insertions(+), 3 deletions(-)
> > > > >
> > > > > diff --git a/Documentation/devicetree/bindings/net/fsl,enetc.yaml
> > > > > b/Documentation/devicetree/bindings/net/fsl,enetc.yaml
> > > > > index e152c93998fe..e418c3e6e6b1 100644
> > > > > --- a/Documentation/devicetree/bindings/net/fsl,enetc.yaml
> > > > > +++ b/Documentation/devicetree/bindings/net/fsl,enetc.yaml
> > > > > @@ -20,10 +20,13 @@ maintainers:
> > > > >
> > > > >  properties:
> > > > >    compatible:
> > > > > -    items:
> > > > > +    oneOf:
> > > > > +      - items:
> > > > > +          - enum:
> > > > > +              - pci1957,e100
> > > > > +          - const: fsl,enetc
> > > > >        - enum:
> > > > > -          - pci1957,e100
> > > > > -      - const: fsl,enetc
> > > > > +          - pci1131,e101
> > > > >
> > > > >    reg:
> > > > >      maxItems: 1
> > > > > @@ -40,6 +43,19 @@ required:
> > > > >  allOf:
> > > > >    - $ref: /schemas/pci/pci-device.yaml
> > > > >    - $ref: ethernet-controller.yaml
> > > > > +  - if:
> > > > > +      properties:
> > > > > +        compatible:
> > > > > +          contains:
> > > > > +            enum:
> > > > > +              - pci1131,e101
> > > > > +    then:
> > > > > +      properties:
> > > > > +        clocks:
> > > > > +          maxItems: 1
> > > > > +          description: MAC transmit/receiver reference clock
> > > > > +        clock-names:
> > > > > +          const: ref
> > > >
> > > > Did you run CHECK_DTBS for your dts file? clocks\clock-names should
> > > > be under top 'properties" firstly. Then use 'if' restrict it. But I
> > > > am not sure for that. only dt_binding_check is not enough because
> > > > your example have not use clocks and clok-names.
> > > >
> > >
> > > I have run dtbs_check and dt_binding_check in my local env. there were
> > > no warnings and errors.
> > 
> > Is there already the DT part somewhere? Do you mind sharing it?
> > 
> I will prepare the DT patch when this series is applied. Below is my local
> patch of imx95.dtsi. FYI.
> > [snip]

Thanks for providing the DT patch. With this I was able to get ethernet
running on my i.MX95 based board.
Please keep me on CC if you send DT patch. Thanks.

Best regards,
Alexander
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