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Groups > linux.kernel > #1708092
| From | Rob Herring <robh@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/7] mtd: spi-nor: cadence-quadspi: Add support to enable loopback clock circuit |
| Date | 2017-08-10 02:20 +0200 |
| Message-ID | <ucJmG-6oY-7@gated-at.bofh.it> (permalink) |
| References | <u9xrH-79w-3@gated-at.bofh.it> <u9xrH-79w-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Aug 01, 2017 at 10:24:29AM +0530, Vignesh R wrote: > Cadence QSPI IP has a adapted loopback circuit which can be enabled by > setting BYPASS field to 0 in READCAPTURE register. It enables use of > QSPI return clock to latch the data rather than the internal QSPI > reference clock. For high speed operations, adapted loopback circuit > using QSPI return clock helps to increase data valid window. > > Add DT parameter cdns,rclk-en to help enable adapted loopback circuit > for boards which do have QSPI return clock provided. > This patch also modifies cqspi_readdata_capture() function's bypass > parameter to bool to match how its used in the function. > > Signed-off-by: Vignesh R <vigneshr@ti.com> > --- > Documentation/devicetree/bindings/mtd/cadence-quadspi.txt | 3 +++ > drivers/mtd/spi-nor/cadence-quadspi.c | 8 ++++++-- > 2 files changed, 9 insertions(+), 2 deletions(-) Please separate bindings to a separate patch or patches. Rob
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[PATCH 2/7] mtd: spi-nor: cadence-quadspi: Add support to enable loopback clock circuit Vignesh R <vigneshr@ti.com> - 2017-08-01 07:00 +0200
Re: [PATCH 2/7] mtd: spi-nor: cadence-quadspi: Add support to enable loopback clock circuit Rob Herring <robh@kernel.org> - 2017-08-10 02:20 +0200
Re: [PATCH 2/7] mtd: spi-nor: cadence-quadspi: Add support to enable loopback clock circuit Vignesh R <vigneshr@ti.com> - 2017-08-10 07:30 +0200
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