On 10/11/2013 06:41 AM, Tomi Valkeinen wrote:
On 10/10/13 21:58, Lars-Peter Clausen wrote:
According to the datasheet the the panel as a dedicated dout pin. Maybe
you did not connect it in your design, which means you won't be able to
read any data from the panel at all.
I don't see a
Hi all,
Am 11.10.2013 um 06:41 schrieb Tomi Valkeinen:
On 10/10/13 21:58, Lars-Peter Clausen wrote:
According to the datasheet the the panel as a dedicated dout pin. Maybe
you did not connect it in your design, which means you won't be able to
read any data from the panel at all.
I
Hi Lars-Peter,
ah, I didn't see your mail while writing mine - so some overlap.
Am 11.10.2013 um 09:08 schrieb Lars-Peter Clausen:
On 10/11/2013 06:41 AM, Tomi Valkeinen wrote:
On 10/10/13 21:58, Lars-Peter Clausen wrote:
According to the datasheet the the panel as a dedicated dout pin.
On 11/10/13 10:42, Dr. H. Nikolaus Schaller wrote:
I am not sure if there is a SPI driver for a McBSP port [1]? And to make that
work (reliably) and tested it might need a lot of work for us. At least I
think
such a change (e.g. setting up clock polarity etc.) is not done in some
minutes.
Hi Tomi,
On Fri, Oct 11, 2013 at 10:17 AM, Tomi Valkeinen tomi.valkei...@ti.com wrote:
On 11/10/13 10:42, Dr. H. Nikolaus Schaller wrote:
I am not sure if there is a SPI driver for a McBSP port [1]? And to make that
work (reliably) and tested it might need a lot of work for us. At least I
On 10/11/2013 10:59 AM, Belisko Marek wrote:
Hi Tomi,
On Fri, Oct 11, 2013 at 10:17 AM, Tomi Valkeinen tomi.valkei...@ti.com
wrote:
On 11/10/13 10:42, Dr. H. Nikolaus Schaller wrote:
I am not sure if there is a SPI driver for a McBSP port [1]? And to make
that
work (reliably) and
On 11/10/13 11:59, Belisko Marek wrote:
That's why I won't allow representing this panel as having 4 gpios in
the DT data, because that is not correct. The panel has 3 pins. But
then, the panel does allow reading, which could be implemented using 4
gpios as you have done. This data should be
Hi all,
Am 11.10.2013 um 11:06 schrieb Lars-Peter Clausen:
On 10/11/2013 10:59 AM, Belisko Marek wrote:
Hi Tomi,
On Fri, Oct 11, 2013 at 10:17 AM, Tomi Valkeinen tomi.valkei...@ti.com
wrote:
On 11/10/13 10:42, Dr. H. Nikolaus Schaller wrote:
I am not sure if there is a SPI driver for
On 11/10/13 12:50, Dr. H. Nikolaus Schaller wrote:
Hm. Is this a SPI or does it just look like one? Or is it some - otherwise
unknown - 3 wire serial interface. Or is it a 3(+1) GPIO slave device?
I am still not sure about this.
Lars-Peter said Back in the OpenMoko days we used the panel in
Hi Tomi,
Am 11.10.2013 um 12:09 schrieb Tomi Valkeinen:
On 11/10/13 12:50, Dr. H. Nikolaus Schaller wrote:
Hm. Is this a SPI or does it just look like one? Or is it some - otherwise
unknown - 3 wire serial interface. Or is it a 3(+1) GPIO slave device?
I am still not sure about this.
Hi,
On 10/10/13 00:08, Marek Belisko wrote:
For communicating with driver is used gpio bitbanging because TD028 does
not have a standard compliant SPI interface. It is a 3-wire thing with
direction reversal.
Isn't that SPI_3WIRE?
Communication with display is used only during panel
Hi Tomi,
Am 10.10.2013 um 10:19 schrieb Tomi Valkeinen:
Hi,
On 10/10/13 00:08, Marek Belisko wrote:
For communicating with driver is used gpio bitbanging because TD028 does
not have a standard compliant SPI interface. It is a 3-wire thing with
direction reversal.
Isn't that SPI_3WIRE?
On 10/10/13 12:34, Dr. H. Nikolaus Schaller wrote:
Hi Tomi,
Am 10.10.2013 um 10:19 schrieb Tomi Valkeinen:
Hi,
On 10/10/13 00:08, Marek Belisko wrote:
For communicating with driver is used gpio bitbanging because TD028 does
not have a standard compliant SPI interface. It is a 3-wire
Hi Tomi,
Am 10.10.2013 um 13:10 schrieb Tomi Valkeinen:
On 10/10/13 12:34, Dr. H. Nikolaus Schaller wrote:
Hi Tomi,
Am 10.10.2013 um 10:19 schrieb Tomi Valkeinen:
Hi,
On 10/10/13 00:08, Marek Belisko wrote:
For communicating with driver is used gpio bitbanging because TD028 does
not
On 10/10/13 14:52, Dr. H. Nikolaus Schaller wrote:
Yes, I agree and I am willing to help if someone comes up with such a SoC.
At the moment we have connected it to the OMAP3 only.
True, but even without that kind of SoC, SPI bitbanging should be
handled by an SPI driver, not by the drivers
On 10/10/2013 02:13 PM, Tomi Valkeinen wrote:
On 10/10/13 14:52, Dr. H. Nikolaus Schaller wrote:
Yes, I agree and I am willing to help if someone comes up with such a SoC.
At the moment we have connected it to the OMAP3 only.
True, but even without that kind of SoC, SPI bitbanging should
Am 10.10.2013 um 14:26 schrieb Lars-Peter Clausen:
On 10/10/2013 02:13 PM, Tomi Valkeinen wrote:
On 10/10/13 14:52, Dr. H. Nikolaus Schaller wrote:
Yes, I agree and I am willing to help if someone comes up with such a SoC.
At the moment we have connected it to the OMAP3 only.
True, but
On 10/10/2013 03:42 PM, Dr. H. Nikolaus Schaller wrote:
Am 10.10.2013 um 14:26 schrieb Lars-Peter Clausen:
On 10/10/2013 02:13 PM, Tomi Valkeinen wrote:
On 10/10/13 14:52, Dr. H. Nikolaus Schaller wrote:
Yes, I agree and I am willing to help if someone comes up with such a SoC.
At the
On 10/10/13 21:58, Lars-Peter Clausen wrote:
According to the datasheet the the panel as a dedicated dout pin. Maybe
you did not connect it in your design, which means you won't be able to
read any data from the panel at all.
I don't see a dedicated dout in the datasheet...
For communicating with driver is used gpio bitbanging because TD028 does
not have a standard compliant SPI interface. It is a 3-wire thing with
direction reversal.
Communication with display is used only during panel enable/disable so it's
not performance issue.
Signed-off-by: Marek Belisko
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