From: atull <atull@opensource.altera.com>
To: Rob Herring <robh@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>,
Mark Rutland <mark.rutland@arm.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Moritz Fischer <moritz.fischer@ettus.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Jon Masters <jcm@redhat.com>,
"Walter Goossens" <waltergoossens@home.nl>,
Michal Simek <michal.simek@xilinx.com>,
Cyril Chemparathy <cyril.chemparathy@xilinx.com>,
Josh Cartwright <joshc@ni.com>,
Matthew Gerlach <mgerlach@opensource.altera.com>,
Dinh Nguyen <dinguyen@opensource.altera.com>,
<devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <delicious.quinoa@gmail.com>
Subject: Re: [PATCH v19 03/12] add bindings document for altera freeze bridge
Date: Mon, 10 Oct 2016 13:45:26 -0500 [thread overview]
Message-ID: <alpine.DEB.2.02.1610101340230.28839@linuxheads99> (raw)
In-Reply-To: <20161008204946.GC11595@rob-hp-laptop>
On Sat, 8 Oct 2016, Rob Herring wrote:
> On Wed, Sep 28, 2016 at 01:21:51PM -0500, Alan Tull wrote:
> > Add bindings document for the Altera Freeze Bridge. A Freeze
> > Bridge is used to gate traffic to/from a region of a FPGA
> > such that that region can be reprogrammed. The Freeze Bridge
> > exist in FPGA fabric that is not currently being reconfigured.
> >
> > Signed-off-by: Alan Tull <atull@opensource.altera.com>
> > Signed-off-by: Matthew Gerlach <mgerlach@opensource.altera.com>
> > ---
> > v19: Added in v19 of patchset, uses fpga image info struct
> > ---
> > .../bindings/fpga/altera-freeze-bridge.txt | 23 ++++++++++++++++++++++
> > 1 file changed, 23 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt
> >
> > diff --git a/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt b/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt
> > new file mode 100644
> > index 0000000..97ecc11
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/fpga/altera-freeze-bridge.txt
> > @@ -0,0 +1,23 @@
> > +Altera Freeze Bridge Controller Driver
> > +
> > +The Altera Freeze Bridge Controller manages one or more freeze bridges.
> > +The controller can freeze/disable the bridges which prevents signal
> > +changes from passing through the bridge. The controller can also
> > +unfreeze/enable the bridges which allows traffic to pass through the
> > +bridge normally.
> > +
> > +Required properties:
> > +- compatible : Should contain "altr,freeze-bridge-controller"
>
> Only one version of the h/w?
The h/w has a version register. Currently the driver reads
the reg and exits if rev != 2. Future version support can be
keyed off this register.
>
> > +- regs : base address and size for freeze bridge module
> > +
> > +Optional properties:
> > +- bridge-enable : 0 if driver should disable bridge at startup
> > + 1 if driver should enable bridge at startup
> > + Default is to leave bridge in current state.
> > +
> > +Example:
> > + freeze_controller@100000450 {
>
> Underscore...
Yes.
>
> > + compatible = "altr,freeze-bridge-controller";
> > + regs = <0x1000 0x10>;
> > + bridge-enable = <0>;
> > + };
> > --
> > 2.9.3
> >
> > --
> > To unsubscribe from this list: send the line "unsubscribe devicetree" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
>
next prev parent reply other threads:[~2016-10-10 19:01 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-28 18:21 [PATCH v19 00/12] Device Tree support for FPGA Programming Alan Tull
2016-09-28 18:21 ` [PATCH v19 01/12] fpga: add bindings document for fpga region Alan Tull
2016-10-08 20:49 ` Rob Herring
2016-10-11 19:31 ` atull
2016-09-28 18:21 ` [PATCH v19 02/12] doc: fpga-mgr: add fpga image info to api Alan Tull
2016-09-28 18:21 ` [PATCH v19 03/12] add bindings document for altera freeze bridge Alan Tull
2016-10-08 20:49 ` Rob Herring
2016-10-10 18:45 ` atull [this message]
2016-09-28 18:21 ` [PATCH v19 04/12] add sysfs document for fpga bridge class Alan Tull
2016-09-29 21:54 ` Moritz Fischer
2016-09-28 18:21 ` [PATCH v19 05/12] fpga-mgr: add fpga image information struct Alan Tull
2016-09-28 23:41 ` Moritz Fischer
2016-09-29 4:34 ` Alan Tull
2016-09-29 17:43 ` Michal Simek
2016-09-28 18:21 ` [PATCH v19 06/12] fpga: add fpga image information struct for socfpga support Alan Tull
2016-09-28 18:21 ` [PATCH v19 07/12] fpga: add fpga image information struct for zynq support Alan Tull
2016-09-28 18:21 ` [PATCH v19 08/12] fpga: add fpga bridge framework Alan Tull
2016-09-28 18:21 ` [PATCH v19 09/12] fpga: fpga-region: device tree control for FPGA Alan Tull
2016-09-28 18:21 ` [PATCH v19 10/12] ARM: socfpga: fpga bridge driver support Alan Tull
2016-09-28 18:21 ` [PATCH v19 11/12] fpga: add altera freeze bridge support Alan Tull
2016-09-28 18:22 ` [PATCH v19 12/12] fpga-manager: Add Socfpga Arria10 support Alan Tull
2016-09-29 16:49 ` Moritz Fischer
2016-09-29 21:35 ` atull
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