Messages in this thread | | | Date | Wed, 9 Aug 2017 19:10:21 -0500 | From | Rob Herring <> | Subject | Re: [PATCH 2/7] mtd: spi-nor: cadence-quadspi: Add support to enable loopback clock circuit |
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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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