linux-kernel - Re: [PATCH 1/4] dt-bindings: phy: add binding for the Lantiq VRX200 and ARX300 PCIe PHYs

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Date:   Wed, 3 Jul 2019 07:25:02 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     linux-mips@...r.kernel.org, devicetree@...r.kernel.org,
        John Crispin <john@...ozen.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Paul Burton <paul.burton@...s.com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Mark Rutland <mark.rutland@....com>,
        Martin Schiller <ms@....tdt.de>
Subject: Re: [PATCH 1/4] dt-bindings: phy: add binding for the Lantiq VRX200
 and ARX300 PCIe PHYs

On Tue, Jul 2, 2019 at 5:37 PM Martin Blumenstingl
<martin.blumenstingl@...glemail.com> wrote:
>
> Hi Rob,
>
> On Wed, Jul 3, 2019 at 1:34 AM Rob Herring <robh+dt@...nel.org> wrote:
> [...]
> > > +  lantiq,rcu:
> > > +    maxItems: 1
> > > +    description: phandle to the RCU syscon
> >
> > You need to define the type (and drop maxItems):
> >
> > $ref: /schemas/types.yaml#/definitions/phandle
> thank you for this hint - the examples I used didn't have it
>
> > > +
> > > +  lantiq,rcu-endian-offset:
> > > +    $ref: /schemas/types.yaml#/definitions/uint32
> > > +    description: the offset of the endian registers for this PHY instance in the RCU syscon
> > > +
> > > +  lantiq,rcu-big-endian-mask:
> > > +    $ref: /schemas/types.yaml#/definitions/uint32
> > > +    description: the mask to set the PDI (PHY) registers for this PHY instance to big endian
> > > +
> > > +required:
> > > +  - "#phy-cells"
> > > +  - compatible
> > > +  - reg
> > > +  - clocks
> > > +  - clock-names
> > > +  - resets
> > > +  - reset-names
> > > +  - lantiq,rcu
> > > +  - lantiq,rcu-endian-offset
> > > +  - lantiq,rcu-big-endian-mask
> > > +
> > > +additionalProperties: false
> > > +
> > > +examples:
> > > +  - |
> > > +    pcie0_phy: phy@...800 {
> > > +        compatible = "lantiq,vrx200-pcie-phy";
> > > +        reg = <0x106800 0x100>;
> > > +        lantiq,rcu = <&rcu0>;
> > > +        lantiq,rcu-endian-offset = <0x4c>;
> > > +        lantiq,rcu-big-endian-mask = <0x80>; /* bit 7 */
> > > +        big-endian;
> >
> > The example will fail to validate because big-endian is not listed as
> > a property and you have 'additionalProperties: false'. So you have to
> > either list big-endian or drop additionalProperties.
> good catch, thank you.
> I'll add big-endian and little-endian as allowed (but optional) properties
>
> > Note that the examples are validated against the schema in linux-next now.
> I tested this with yesterday's linux-next tree and it didn't fail for me
> do you have any hint how I can run this validation myself?

It's not a default target:

make dt_binding_check

Rob