On Fri, Dec 12, 2008 at 01:39:45PM -0800, Trent Piepho wrote:
> On Fri, 12 Dec 2008, Anton Vorontsov wrote:
> > On Fri, Dec 12, 2008 at 11:59:13AM -0500, Steven A. Falco wrote:
> >> What do you think about having a mechanism to specify that some
> >> SPI slaves have a chip select, while others don'
On Fri, Dec 12, 2008 at 09:22:02AM -0500, Steven A. Falco wrote:
> This patch adds a dummy GPIO driver, which is useful for SPI devices
> that do not have a physical chip select.
>
> Signed-off-by: Steven A. Falco
> ---
> The SPI subsystem requires a chip-select for each connected slave
> device.
On Fri, Dec 12, 2008 at 01:39:45PM -0800, Trent Piepho wrote:
> On Fri, 12 Dec 2008, Anton Vorontsov wrote:
> > On Fri, Dec 12, 2008 at 11:59:13AM -0500, Steven A. Falco wrote:
> >> What do you think about having a mechanism to specify that some
> >> SPI slaves have a chip select, while others don'
On Fri, 12 Dec 2008, Anton Vorontsov wrote:
> On Fri, Dec 12, 2008 at 11:59:13AM -0500, Steven A. Falco wrote:
>> What do you think about having a mechanism to specify that some
>> SPI slaves have a chip select, while others don't have to have a
>> chip select managed by the SPI subsystem?
>
> Um..
Anton Vorontsov wrote:
> On Fri, Dec 12, 2008 at 11:59:13AM -0500, Steven A. Falco wrote:
>> Anton Vorontsov wrote:
>>> On Fri, Dec 12, 2008 at 09:22:02AM -0500, Steven A. Falco wrote:
This patch adds a dummy GPIO driver, which is useful for SPI devices
that do not have a physical chip se
On Fri, Dec 12, 2008 at 11:59:13AM -0500, Steven A. Falco wrote:
> Anton Vorontsov wrote:
> > On Fri, Dec 12, 2008 at 09:22:02AM -0500, Steven A. Falco wrote:
> >> This patch adds a dummy GPIO driver, which is useful for SPI devices
> >> that do not have a physical chip select.
> >
> > Hm. Then yo
Anton Vorontsov wrote:
> On Fri, Dec 12, 2008 at 09:22:02AM -0500, Steven A. Falco wrote:
>> This patch adds a dummy GPIO driver, which is useful for SPI devices
>> that do not have a physical chip select.
>
> Hm. Then you don't need a chip-select, and SPI driver must understand
> this case. When
On Fri, Dec 12, 2008 at 09:22:02AM -0500, Steven A. Falco wrote:
> This patch adds a dummy GPIO driver, which is useful for SPI devices
> that do not have a physical chip select.
Hm. Then you don't need a chip-select, and SPI driver must understand
this case. When SPI controller has no "gpios" pro
This patch adds a dummy GPIO driver, which is useful for SPI devices
that do not have a physical chip select.
Signed-off-by: Steven A. Falco
---
The SPI subsystem requires a chip-select for each connected slave
device. I have a custom board with an Atmel "co-processor". This part
is reprogramme
