On 06/07/2013 12:26, Jonathan Cameron wrote:
> On 06/24/2013 06:24 PM, Alexandre Belloni wrote:
>> From: Maxime Ripard
>>
>> The ADCs connected to this bus have been experiencing some timeout
>> issues when using the iMX28 i2c controller. Switching back to bitbanging
>> solves this.
>>
>>
On 06/07/2013 12:26, Jonathan Cameron wrote:
On 06/24/2013 06:24 PM, Alexandre Belloni wrote:
From: Maxime Ripard maxime.rip...@free-electrons.com
The ADCs connected to this bus have been experiencing some timeout
issues when using the iMX28 i2c controller. Switching back to bitbanging
On 06/24/2013 06:24 PM, Alexandre Belloni wrote:
> From: Maxime Ripard
>
> The ADCs connected to this bus have been experiencing some timeout
> issues when using the iMX28 i2c controller. Switching back to bitbanging
> solves this.
>
> Signed-off-by: Maxime Ripard
> Signed-off-by: Alexandre
On 06/24/2013 06:24 PM, Alexandre Belloni wrote:
From: Maxime Ripard maxime.rip...@free-electrons.com
The ADCs connected to this bus have been experiencing some timeout
issues when using the iMX28 i2c controller. Switching back to bitbanging
solves this.
Signed-off-by: Maxime Ripard
On 02/07/2013 18:33, Marek Vasut wrote:
> Dear Alexandre Belloni,
>
>> On 02/07/2013 13:50, Alexandre Belloni wrote:
>>> On 02/07/2013 13:45, Fabio Estevam wrote:
Shouldn't this be
i2c@1 {
reg = <1>; ?
>>>
>>> No, we have 4 devices on
Dear Alexandre Belloni,
> On 02/07/2013 13:50, Alexandre Belloni wrote:
> > On 02/07/2013 13:45, Fabio Estevam wrote:
> >> Shouldn't this be
> >>
> >> i2c@1 {
> >>
> >> reg = <1>; ?
> >
> > No, we have 4 devices on that mux and 2 pins to select the muxing.
>
On 02/07/2013 13:50, Alexandre Belloni wrote:
> On 02/07/2013 13:45, Fabio Estevam wrote:
>
>> Shouldn't this be
>>
>> i2c@1 {
>> reg = <1>; ?
>>
>
> No, we have 4 devices on that mux and 2 pins to select the muxing.
>
OK, got it working.
So, the results:
On 02/07/2013 13:45, Fabio Estevam wrote:
> Shouldn't this be
>
> i2c@1 {
> reg = <1>; ?
>
No, we have 4 devices on that mux and 2 pins to select the muxing.
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
On Tue, Jul 2, 2013 at 8:35 AM, Alexandre Belloni
wrote:
> mxs-i2c 8005a000.i2c: Failed to get PIO reg. write descriptor.
>
> That is the one line 243. I'm open to any suggestion.
>
> BTW, I also tested PIO mode with and without touchscreen support as that
> seemed to toggle the issue on your
Hi,
On 02/07/2013 04:45, Fabio Estevam wrote:
> Are you able to use the mxs i2c controller instead of bitbang if you
> use this patch?
> http://www.spinics.net/lists/stable/msg13202.html
>
Actually, it gets worse. I'm probably doing something wrong but I get:
mxs-i2c 8005a000.i2c: Failed to
On 02/07/2013 18:33, Marek Vasut wrote:
Dear Alexandre Belloni,
On 02/07/2013 13:50, Alexandre Belloni wrote:
On 02/07/2013 13:45, Fabio Estevam wrote:
Shouldn't this be
i2c@1 {
reg = 1; ?
No, we have 4 devices on that mux and 2 pins to select the
Hi,
On 02/07/2013 04:45, Fabio Estevam wrote:
Are you able to use the mxs i2c controller instead of bitbang if you
use this patch?
http://www.spinics.net/lists/stable/msg13202.html
Actually, it gets worse. I'm probably doing something wrong but I get:
mxs-i2c 8005a000.i2c: Failed to get
On Tue, Jul 2, 2013 at 8:35 AM, Alexandre Belloni
alexandre.bell...@free-electrons.com wrote:
mxs-i2c 8005a000.i2c: Failed to get PIO reg. write descriptor.
That is the one line 243. I'm open to any suggestion.
BTW, I also tested PIO mode with and without touchscreen support as that
seemed
On 02/07/2013 13:45, Fabio Estevam wrote:
Shouldn't this be
i2c@1 {
reg = 1; ?
No, we have 4 devices on that mux and 2 pins to select the muxing.
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
--
To
On 02/07/2013 13:50, Alexandre Belloni wrote:
On 02/07/2013 13:45, Fabio Estevam wrote:
Shouldn't this be
i2c@1 {
reg = 1; ?
No, we have 4 devices on that mux and 2 pins to select the muxing.
OK, got it working.
So, the results:
bitbanging:
# time cat
Dear Alexandre Belloni,
On 02/07/2013 13:50, Alexandre Belloni wrote:
On 02/07/2013 13:45, Fabio Estevam wrote:
Shouldn't this be
i2c@1 {
reg = 1; ?
No, we have 4 devices on that mux and 2 pins to select the muxing.
OK, got it working.
Hi Alexandre,
On Mon, Jun 24, 2013 at 2:24 PM, Alexandre Belloni
wrote:
> From: Maxime Ripard
>
> The ADCs connected to this bus have been experiencing some timeout
> issues when using the iMX28 i2c controller. Switching back to bitbanging
> solves this.
Are you able to use the mxs i2c
Hi Alexandre,
On Mon, Jun 24, 2013 at 2:24 PM, Alexandre Belloni
alexandre.bell...@free-electrons.com wrote:
From: Maxime Ripard maxime.rip...@free-electrons.com
The ADCs connected to this bus have been experiencing some timeout
issues when using the iMX28 i2c controller. Switching back to
From: Maxime Ripard
The ADCs connected to this bus have been experiencing some timeout
issues when using the iMX28 i2c controller. Switching back to bitbanging
solves this.
Signed-off-by: Maxime Ripard
Signed-off-by: Alexandre Belloni
---
arch/arm/boot/dts/imx28-cfa10049.dts | 108
From: Maxime Ripard maxime.rip...@free-electrons.com
The ADCs connected to this bus have been experiencing some timeout
issues when using the iMX28 i2c controller. Switching back to bitbanging
solves this.
Signed-off-by: Maxime Ripard maxime.rip...@free-electrons.com
Signed-off-by: Alexandre
20 matches
Mail list logo
