On Tue, Nov 29, 2016 at 6:28 PM, Phil Edworthy <phil.edwor...@renesas.com> wrote: > Introduce a new DT property to specify whether the QSPI Controller > samples the data on a rising edge. The default is falling edge. > Some versions of the QSPI Controller do not implement this bit, in > which case the property should be omitted. > > Signed-off-by: Phil Edworthy <phil.edwor...@renesas.com> > --- > v3: > - Patch split so this one only has code related to the subject. > - Commit message updated. > v2: > - Change name of DT prop and provide details of what it does. > Whilst at it, move the code to read the "sram-size" property > into the other code that reads properties from the node, rather > than the SF subnode. > > Also change the code to use a bool for the bypass arg. > --- > doc/device-tree-bindings/spi/spi-cadence.txt | 2 ++ > drivers/spi/cadence_qspi.c | 10 +++++++--- > drivers/spi/cadence_qspi.h | 3 ++- > drivers/spi/cadence_qspi_apb.c | 8 +++++++- > 4 files changed, 18 insertions(+), 5 deletions(-) > > diff --git a/doc/device-tree-bindings/spi/spi-cadence.txt > b/doc/device-tree-bindings/spi/spi-cadence.txt > index c1e2233..94c800b 100644 > --- a/doc/device-tree-bindings/spi/spi-cadence.txt > +++ b/doc/device-tree-bindings/spi/spi-cadence.txt > @@ -26,3 +26,5 @@ connected flash properties > select (n_ss_out). > - tslch-ns : Delay in master reference clocks between setting > n_ss_out low and first bit transfer > +- sample-edge-rising : Data outputs from flash memory will be sampled on > the > + rising edge. Default is falling edge.
Code look reasonable, but how Linux handling this with the same dt property, any idea? I couldn't find it either. thanks! -- Jagan Teki Free Software Engineer | www.openedev.com U-Boot, Linux | Upstream Maintainer Hyderabad, India. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
