On Tue, Apr 4, 2017 at 6:36 PM, Moritz Fischer <moritz.fischer@xxxxxxxxx> wrote:
> On Thu, Mar 30, 2017 at 05:44:29PM -0500, Rob Herring wrote:
>> On Fri, Mar 24, 2017 at 10:33:20AM -0500, Alan Tull wrote:
>> > From: Moritz Fischer <mdf@xxxxxxxxxx>
>>
>> Please use "dt-bindings: fpga: ..." for the subject.
>>
>>
>> >
>> > This adds the binding documentation for the Xilinx LogiCORE PR
>> > Decoupler soft core.
>> >
>> > Signed-off-by: Moritz Fischer <mdf@xxxxxxxxxx>
>> > Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
>> > Acked-by: Alan Tull <atull@xxxxxxxxxx>
>>
>> I'm confused why you are sending these instead of Moritz? If it goes
>> through you, then it should have your S-o-B too.
Greg asked me to send patches to him. I should have started adding my
signed-of-by
at that point.
>
> Do you want me to resend this Alan (with Rob's suggestions)?
I sent a set of patches to Greg on March 24. Looking back on that I realize
that it didn't have Rob's ack yet (as well as having my ack where it should
have been my signed-of-by).
Yes, please resend this patchset with Rob's feedback.
Thanks,
ALan
>>
>> > Cc: Sören Brinkmann <soren.brinkmann@xxxxxxxxxx>
>> > Cc: linux-kernel@xxxxxxxxxxxxxxx
>> > Cc: devicetree@xxxxxxxxxxxxxxx
>> > ---
>> > .../bindings/fpga/xilinx-pr-decoupler.txt | 35 ++++++++++++++++++++++
>> > 1 file changed, 35 insertions(+)
>> > create mode 100644 Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
>> >
>> > diff --git a/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
>> > new file mode 100644
>> > index 000000000000..2c527ac30398
>> > --- /dev/null
>> > +++ b/Documentation/devicetree/bindings/fpga/xilinx-pr-decoupler.txt
>> > @@ -0,0 +1,35 @@
>> > +Xilinx LogiCORE Partial Reconfig Decoupler Softcore
>> > +
>> > +The Xilinx LogiCORE Partial Reconfig Decoupler manages one or more
>> > +decouplers / fpga bridges.
>> > +The controller can decouple/disable the bridges which prevents signal
>> > +changes from passing through the bridge. The controller can also
>> > +couple / enable the bridges which allows traffic to pass through the
>> > +bridge normally.
>> > +
>> > +The Driver supports only MMIO handling. A PR region can have multiple
>> > +PR Decouplers which can be handled independently or chained via decouple/
>> > +decouple_status signals.
>> > +
>> > +Required properties:
>> > +- compatible : Should contain "xlnx,pr-decoupler-1.00" or "xlnx,pr-decoupler"
>>
>> I'd drop xlnx,pr-decoupler, but in any case, it should not be OR rather
>> "followed by". Plus the example has both.
>
> Michal wanted to have both, so I put both. Personally I don't care. I
> think they have some downstream stuff that relied on it.
>
>>
>> > +- regs : base address and size for decoupler module
>> > +- clocks : input clock to IP
>> > +- clock-names : should contain "aclk"
>> > +
>> > +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.
>> > +
>> > +See Documentation/devicetree/bindings/fpga/fpga-region.txt for generic bindings.
>> > +
>> > +Example:
>> > + fpga-bridge@100000450 {
>> > + compatible = "xlnx,pr-decoupler-1.00",
>> > + "xlnx-pr-decoupler";
>> > + regs = <0x10000045 0x10>;
>> > + clocks = <&clkc 15>;
>> > + clock-names = "aclk";
>> > + bridge-enable = <0>;
>> > + };
>> > --
>> > 2.11.0
>> >
>> > --
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>
> Thanks,
> Moritz
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