From: Boris Brezillon <boris.brezillon@free-electrons.com>
To: Alban <albeu@free.fr>
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-mtd@lists.infradead.org,
Cyrille Pitchen <cyrille.pitchen@atmel.com>,
Richard Weinberger <richard@nod.at>,
Marek Vasut <marek.vasut@gmail.com>,
Brian Norris <computersforpeace@gmail.com>,
David Woodhouse <dwmw2@infradead.org>,
Mark Rutland <mark.rutland@arm.com>,
Rob Herring <robh+dt@kernel.org>,
Maxime Ripard <maxime.ripard@free-electrons.com>,
Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
Moritz Fischer <moritz.fischer@ettus.com>
Subject: Re: [PATCH 1/3] doc: bindings: Add bindings documentation for mtd nvmem
Date: Fri, 3 Mar 2017 13:37:44 +0100 [thread overview]
Message-ID: <20170303133744.152cf3ca@bbrezillon> (raw)
In-Reply-To: <20170303131705.119021f4@tock>
On Fri, 3 Mar 2017 13:17:05 +0100
Alban <albeu@free.fr> wrote:
> On Thu, 2 Mar 2017 21:22:20 +0100
> Boris Brezillon <boris.brezillon@free-electrons.com> wrote:
>
> > On Thu, 2 Mar 2017 20:50:21 +0100
> > Alban <albeu@free.fr> wrote:
> >
> > > Add the binding to expose MTD partitions as nvmem providers.
> >
> > Looks good. Maybe you should take the case you describe in your
> > cover-letter into account and add an extra layer: add an nvmem sub-node
> > containing the nvmem cells, so that you can expose nvmem cells directly
> > under master MTD devices (and not only partitions).
>
> I think that would be the better solution. This can be done
> independently, once we agree on a binding we just have to fix
> of_nvmem_cell_get(). My suggestion would be to have the new binding
> looking like this:
>
> nvmem-device@10 {
> ...
> nvmem-provider;
> nvmem-cells {
> compatible = "nvmem-cells";
> #address-cells = <1>;
> #size-cells = <1>;
>
> nvmem-cell@100 {
> label = "mac-address";
> reg = <0x100 0x200>;
> }
>
> ...
> }
> }
>
> I would also suggest making the "nvmem-provider" property mandatory
> to indicate that the device provides this capability. Up to now all
> nvmem providers only support this API but I think there might be more
> multi function devices in the future.
If you enforce the name of the child node (here nvmem-cells), you don't
need this extra nvmem-provider property. Am I missing something?
next prev parent reply other threads:[~2017-03-03 12:48 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-02 19:50 [PATCH 0/3] mtd: Add support for reading MTD devices via the nvmem API Alban
2017-03-02 19:50 ` [PATCH 1/3] doc: bindings: Add bindings documentation for mtd nvmem Alban
2017-03-02 20:22 ` Boris Brezillon
2017-03-03 12:17 ` Alban
2017-03-03 12:37 ` Boris Brezillon [this message]
2017-03-03 13:12 ` Alban
2017-03-03 11:27 ` Srinivas Kandagatla
2017-03-03 12:19 ` Boris Brezillon
2017-03-03 12:22 ` Alban
2017-03-02 19:50 ` [PATCH 2/3] mtd: Add support for reading MTD devices via the nvmem API Alban
2017-03-02 21:18 ` Boris Brezillon
2017-03-03 12:36 ` Alban
2017-03-03 13:36 ` Boris Brezillon
2017-03-03 13:57 ` Alban
2017-03-03 14:11 ` Boris Brezillon
2017-03-03 22:21 ` Richard Weinberger
2017-03-06 17:21 ` Alban
2017-03-06 19:03 ` Richard Weinberger
2017-03-06 21:02 ` Boris Brezillon
2017-03-03 11:23 ` Srinivas Kandagatla
2017-03-03 12:34 ` Boris Brezillon
2017-03-03 13:30 ` Alban
2017-03-03 14:03 ` Boris Brezillon
2017-03-02 19:50 ` [PATCH 3/3] nvmem: core: Allow allocating several anonymous nvmem devices Alban
2017-03-02 20:03 ` Boris Brezillon
2017-03-03 1:50 ` Moritz Fischer
2017-03-03 10:08 ` Srinivas Kandagatla
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