netdev - Re: [PATCH 1/3] net: ethernet: ixp4xx: Add DT bindings

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Message-ID: <CACRpkdbppvaNUXE9GD_UXDrB8SJA5qv7wrQ1dj5E4ySU_6bG7w@mail.gmail.com>
Date:   Thu, 22 Apr 2021 17:39:07 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Andrew Lunn <andrew@...n.ch>, Rob Herring <robh+dt@...nel.org>
Cc:     netdev <netdev@...r.kernel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Zoltan HERPAI <wigyori@...0.hu>,
        Raylynn Knight <rayknight@...com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH 1/3] net: ethernet: ixp4xx: Add DT bindings

On Tue, Apr 20, 2021 at 3:26 AM Andrew Lunn <andrew@...n.ch> wrote:

> > +      mdio {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +        phy1: phy@1 {
> > +          #phy-cells = <0>;
>
> Hi Linus
>
> phy-cells is not part of the Ethernet PHY binding.

Nevertheless:

  CHECK   Documentation/devicetree/bindings/net/intel,ixp4xx-ethernet.example.dt.yaml
/var/linus/linux-nomadik/build-ixp4/Documentation/devicetree/bindings/net/intel,ixp4xx-ethernet.example.dt.yaml:
phy@1: '#phy-cells' is a required property
    From schema:
/home/linus/.local/lib/python3.9/site-packages/dtschema/schemas/phy/phy-provider.yaml

It has been hardcoded as required into the dtschema python package.
Looks like this:

properties:
  $nodename:
    pattern: "^(|usb-|usb2-|usb3-|pci-|pcie-|sata-)phy(@[0-9a-f,]+)*$"

  "#phy-cells": true

  phy-supply: true

required:
  - "#phy-cells"

additionalProperties: true

If this is wrong I bet Rob needs to hear about it.

Yours,
Linus Walleij