linux-kernel - Re: [PATCH v2 2/2] dt-bindings: iio: adc: Add DT docs for AD7292

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Message-ID: <CAL_JsqKqgko02KstmytNNUUF0-QR7rpMF4dV=X55N=TnDahd+Q@mail.gmail.com>
Date:   Sun, 20 Oct 2019 14:09:30 -0500
From:   Rob Herring <robh@...nel.org>
To:     Marcelo Schmitt <marcelo.schmitt1@...il.com>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Dragos Bogdan <dragos.bogdan@...log.com>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:IIO SUBSYSTEM AND DRIVERS" <linux-iio@...r.kernel.org>,
        devicetree@...r.kernel.org, kernel-usp@...glegroups.com
Subject: Re: [PATCH v2 2/2] dt-bindings: iio: adc: Add DT docs for AD7292

On Sat, Oct 19, 2019 at 10:07 AM Marcelo Schmitt
<marcelo.schmitt1@...il.com> wrote:
>
> Hi Rob
>
> Thanks for the review.
>
> I'm having some trouble with the DTC.
> I installed the DT tool from https://github.com/robherring/dt-schema.
> Running make -k dt_binding_check goes through all the checks (CHKDT), producing
> the .example.dts files but then gives errors like:
>
>   DTC     Documentation/devicetree/bindings/arm/calxeda.example.dt.yaml
> FATAL ERROR: Unknown output format "yaml"
> make[1]: *** [scripts/Makefile.lib:314: Documentation/devicetree/bindings/arm/calxeda.example.dt.yaml] Error 1
> make[1]: *** Deleting file 'Documentation/devicetree/bindings/arm/calxeda.example.dt.yaml'
>
> My pip3 installation has:
> jsonschema jsonschema-3.1.2.dev6+g0d827f3
> rfc3987 1.3.8
>
> $HOME/.local/bin is listed in my shell's PATH variable.
>
> I was trying to follow the documentation at:
> Documentation/devicetree/writing-schema.rst
>
> Are there any other DTC dependencies that I am missing?

Yes, libyaml. See Documentation/devicetree/writing-schema.rst.

Rob