netdev - Re: [PATCH net-next 1/3] dt-bindings: net: add dt bindings for marvell10g driver

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Message-ID: <20200227174040.GP25745@shell.armlinux.org.uk>
Date:   Thu, 27 Feb 2020 17:40:40 +0000
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, Jason Cooper <jason@...edaemon.net>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Mark Rutland <mark.rutland@....com>,
        netdev <netdev@...r.kernel.org>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Subject: Re: [PATCH net-next 1/3] dt-bindings: net: add dt bindings for
 marvell10g driver

On Thu, Feb 27, 2020 at 06:36:36PM +0100, Andrew Lunn wrote:
> > > > +    allOf:
> > > > +      - $ref: /schemas/types.yaml#/definitions/uint16-array
> > > > +      - minItems: 1
> > > > +        maxItems: 4
> > > > +
> > > > +examples:
> > > > +  - |
> > > > +    ethernet-phy@0 {
> > > > +        reg = <0>;
> > > 
> > > This needs to be under an 'mdio' node with #address-cells and
> > > #size-cells set correctly.
> > 
> > I wish these things were documented somewhere... I'm pretty sure this
> > passed validation when I wrote it.
> 
> Documentation/devicetree/bindings/net/mdio.yaml

I'm not sure that makes it any more obvious.  Maybe it's obvious to
those who understand yaml, but for the rest of us, it isn't.

> Rob, is there a way to express the hierarchy between yaml files and
> properties? Can we say that a phy, as defined by ethernet-phy.yaml
> should always be inside an MDIO bus as defined in mdio.yaml?

and yes, it isn't even referenced from ethernet-phy.yaml, so how one
would know to even look there.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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