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From:   Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date:   Fri, 1 May 2020 23:53:08 +0200
Message-ID: <CAFBinCDmps-Nd-HokSa5P7=bR+o3nuwxsS_eiH9A6CCYywpabQ@mail.gmail.com>
Subject: Re: [PATCH RFC v2 02/11] dt-bindings: net: dwmac-meson: Document the
 "timing-adjustment" clock
To:     Rob Herring <robh@kernel.org>
Cc:     robh+dt@kernel.org, andrew@lunn.ch, f.fainelli@gmail.com,
        linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org,
        jianxin.pan@amlogic.com, davem@davemloft.net,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org
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Hi Rob,

On Fri, May 1, 2020 at 11:09 PM Rob Herring <robh@kernel.org> wrote:
>
> On Wed, 29 Apr 2020 22:16:35 +0200, Martin Blumenstingl wrote:
> > The PRG_ETHERNET registers can add an RX delay in RGMII mode. This
> > requires an internal re-timing circuit whose input clock is called
> > "timing adjustment clock". Document this clock input so the clock can be
> > enabled as needed.
> >
> > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> > ---
> >  .../devicetree/bindings/net/amlogic,meson-dwmac.yaml   | 10 +++++++---
> >  1 file changed, 7 insertions(+), 3 deletions(-)
> >
>
> My bot found errors running 'make dt_binding_check' on your patch:
>
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.example.dt.yaml: ethernet@c9410000: clocks: Additional items are not allowed ([4294967295] was unexpected)
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.example.dt.yaml: ethernet@c9410000: clocks: [[4294967295], [4294967295], [4294967295], [4294967295]] is too long
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.example.dt.yaml: ethernet@c9410000: clocks: Additional items are not allowed ([4294967295] was unexpected)
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.example.dt.yaml: ethernet@c9410000: clocks: [[4294967295], [4294967295], [4294967295], [4294967295]] is too long
I am seeing this on my own build machine as well, but only for the .yaml example
The .dts example does not emit this warning

Also I don't see what's wrong with my way of describing the new,
optional clock and it's clock-name
Can you please point me in the right direction here?


Thank you!
Martin