linux-kernel - Re: [PATCH v2 4/6] dt-bindings: soc/fsl: qe: document new fsl,qe-snums binding

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Message-ID: <20190501210048.GA20658@bogus>
Date:   Wed, 1 May 2019 16:00:48 -0500
From:   Rob Herring <robh@...nel.org>
To:     Rasmus Villemoes <rasmus.villemoes@...vas.dk>
Cc:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Qiang Zhao <qiang.zhao@....com>, Li Yang <leoyang.li@....com>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Scott Wood <oss@...error.net>,
        Christophe Leroy <christophe.leroy@....fr>,
        Mark Rutland <mark.rutland@....com>,
        Rasmus Villemoes <Rasmus.Villemoes@...vas.se>
Subject: Re: [PATCH v2 4/6] dt-bindings: soc/fsl: qe: document new
 fsl,qe-snums  binding

On Wed, 1 May 2019 09:29:08 +0000, Rasmus Villemoes wrote:
> Reading table 4-30, and its footnotes, of the QUICC Engine Block
> Reference Manual shows that the set of snum _values_ is not
> necessarily just a function of the _number_ of snums, as given in the
> fsl,qe-num-snums property.
> 
> As an alternative, to make it easier to add support for other variants
> of the QUICC engine IP, this introduces a new binding fsl,qe-snums,
> which automatically encodes both the number of snums and the actual
> values to use.
> 
> For example, for the MPC8309, one would specify the property as
> 
>                fsl,qe-snums = /bits/ 8 <
>                        0x88 0x89 0x98 0x99 0xa8 0xa9 0xb8 0xb9
>                        0xc8 0xc9 0xd8 0xd9 0xe8 0xe9>;
> 
> Signed-off-by: Rasmus Villemoes <rasmus.villemoes@...vas.dk>
> ---
>  Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe.txt | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring <robh@...nel.org>