On Thu, Apr 21, 2016 at 11:07:37AM +, Reizer, Eyal wrote:
> * (i) If the transfer isn't the last one in the message, this flag is
> * used to make the chipselect briefly go inactive in the middle of the
> * message. Toggling chipselect in this way may be needed to terminate
> * a chip command
>
> > Thanks! Glad the illustration helped.
> > I will try it out again as if i recall cotrectly, i did try that l, and it
> > didnt produce
> the correct waveform, but perhaps i didnt understand the usage of
> .cs_change correctly.
> > Will double check anyway.
>
> It could also be a bug in you
On Tue, Apr 19, 2016 at 06:04:49PM +, Reizer, Eyal wrote:
> Thanks! Glad the illustration helped.
> I will try it out again as if i recall cotrectly, i did try that l, and it
> didnt produce the correct waveform, but perhaps i didnt understand the usage
> of .cs_change correctly.
> Will doub
On Tue, Apr 19, 2016 at 05:38:02PM +, Reizer, Eyal wrote:
> Hi Mark,
>
> Hope you can see the attached picture that illustrates what need to sent for
> sucesfull SPI init.
I think what the picture shows is that you just need to send at least
one byte at the end of the transfer *after* deasse
On Tue, Apr 19, 2016 at 05:21:01PM +, Reizer, Eyal wrote:
> The main quirk here is that i need to send extra clocks after the spi init
> command while the CS pin is "high" in order to put the wilink chip into SPI
> mode.
> So just sending an empty transfer wouldnt do the trick here.
A singl
On Tue, Apr 19, 2016 at 09:05:45AM +, Reizer, Eyal wrote:
> Understood. As this special CS manipulation is unique to wspi (wilink spi) I
> think the
> best option is to move this gpio allocation into wlcore_spi as a new device
> tree entry
> used only by this driver.
That sounds like it i
On Mon, Apr 18, 2016 at 05:55:51AM +, Reizer, Eyal wrote:
> > I would suggest fixing this using a new API function from the SPI core, if
> > we
> > don't already have a generic way to do it.
> Originally this is what I have done until I was pointed to the generic
> cs-gpio mechanism
> in t
> > > > It is also part of the generic spi.h (include/Linux/spi/spi.h),
> > > > already part of " struct spi_device" So it seemed redundant adding
> > > > another mechanism for implementing the same.
> > > > Platform that interact with a wilink need to use it, and platforms
> > > > that don't have
On Tuesday 19 April 2016 09:05:45 Reizer, Eyal wrote:
> > > It is also part of the generic spi.h (include/Linux/spi/spi.h),
> > > already part of " struct spi_device" So it seemed redundant adding
> > > another mechanism for implementing the same.
> > > Platform that interact with a wilink need to
Arnd,
> > > >
> > > > - all wilink family needs special init command for entering wspi mode.
> > > > extra clock cycles should be sent after the spi init command while the
> > > > cs pin is high.
> > > > - switch to controling the cs pin from the spi driver for achieveing the
> > > > above.
On Monday 18 April 2016 05:55:51 Reizer, Eyal wrote:
> > >
> > > - all wilink family needs special init command for entering wspi mode.
> > > extra clock cycles should be sent after the spi init command while the
> > > cs pin is high.
> > > - switch to controling the cs pin from the spi driver
> >
> > - all wilink family needs special init command for entering wspi mode.
> > extra clock cycles should be sent after the spi init command while the
> > cs pin is high.
> > - switch to controling the cs pin from the spi driver for achieveing the
> > above.
> > - the selected cs gpio is r
On Sunday 10 April 2016 07:37:23 Reizer, Eyal wrote:
> Add support for using with both wl12xx and wl18xx.
>
> - all wilink family needs special init command for entering wspi mode.
> extra clock cycles should be sent after the spi init command while the
> cs pin is high.
> - switch to controli
Add support for using with both wl12xx and wl18xx.
- all wilink family needs special init command for entering wspi mode.
extra clock cycles should be sent after the spi init command while the
cs pin is high.
- switch to controling the cs pin from the spi driver for achieveing the
above.
- t
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