On Tue, 2014-12-23 at 14:49 +0100, Wolfram Sang wrote:
On Tue, Dec 23, 2014 at 02:23:01PM +0100, Valentin Longchamp wrote:
Wolfgang, Scott,
Wolfram, please.
What is then the agreement here ? Add a clock-div to the device trees ?
Or do
something similar to
Wolfgang, Scott,
On 12/11/2014 02:44 PM, Valentin Longchamp wrote:
Hi all,
Picking up this issue again.
On 11/26/2014 02:41 AM, Scott Wood wrote:
On Tue, 2014-11-25 at 19:13 +0100, Wolfram Sang wrote:
On Mon, Nov 17, 2014 at 07:28:03PM -0600, Scott Wood wrote:
On Fri, 2014-11-14 at
On Tue, Dec 23, 2014 at 02:23:01PM +0100, Valentin Longchamp wrote:
Wolfgang, Scott,
Wolfram, please.
What is then the agreement here ? Add a clock-div to the device trees ? Or
do
something similar to mpc_i2c_get_sec_cfg_8xxx() ?
I think the clock-div property is better according
Hi all,
Picking up this issue again.
On 11/26/2014 02:41 AM, Scott Wood wrote:
On Tue, 2014-11-25 at 19:13 +0100, Wolfram Sang wrote:
On Mon, Nov 17, 2014 at 07:28:03PM -0600, Scott Wood wrote:
On Fri, 2014-11-14 at 09:28 +0100, Wolfram Sang wrote:
If we're going to change the device tree
I saw that this patch was marked as not applicable, but on most qoriq
devices the pre-scaler is 2 especially for p2020/p2010 devices
arch/powerpc/boot/dts/fsl/p2020si-post.dtsi
Just for completeness: Not applicable given from patchwork of the i2c
subsystem means this patch is not for the i2c
I saw that this patch was marked as not applicable, but on most qoriq
devices the pre-scaler is 2 especially for p2020/p2010 devices
arch/powerpc/boot/dts/fsl/p2020si-post.dtsi
from the P2020 RM: p. 477
Frequency divider ratio. Used to prescale the clock for bit rate
selection. The serial bit
On Mon, Nov 17, 2014 at 07:28:03PM -0600, Scott Wood wrote:
On Fri, 2014-11-14 at 09:28 +0100, Wolfram Sang wrote:
If we're going to change the device tree I'd rather just add a property
to say what the prescaler is.
We would however, leave the boards' device trees that use
On Tue, 2014-11-25 at 19:13 +0100, Wolfram Sang wrote:
On Mon, Nov 17, 2014 at 07:28:03PM -0600, Scott Wood wrote:
On Fri, 2014-11-14 at 09:28 +0100, Wolfram Sang wrote:
If we're going to change the device tree I'd rather just add a
property
to say what the prescaler is.
On Fri, 2014-11-14 at 09:28 +0100, Wolfram Sang wrote:
If we're going to change the device tree I'd rather just add a property
to say what the prescaler is.
We would however, leave the boards' device trees that use things like
fsl,mpc8543-i2c as is and introduce the prescaler for
If we're going to change the device tree I'd rather just add a property
to say what the prescaler is.
We would however, leave the boards' device trees that use things like
fsl,mpc8543-i2c as is and introduce the prescaler for the others requiring
it.
Now the drawback is that
On 11/13/2014 01:34 AM, Wolfram Sang wrote:
If we wanted to be on the safe side and strict (since we are not sure that
the
hardware is 100% compatible), we maybe should add a fsl,qoriq-i2c compatible
to
the driver that does the same as mpc8543-i2c.
Or you leave the driver as is and use
If we wanted to be on the safe side and strict (since we are not sure that the
hardware is 100% compatible), we maybe should add a fsl,qoriq-i2c compatible
to
the driver that does the same as mpc8543-i2c.
Or you leave the driver as is and use both compatibles:
compatible = fsl,qoriq-i2c,
On Wed, 2014-10-29 at 09:59 +0100, Valentin Longchamp wrote:
On 10/29/2014 12:08 AM, Scott Wood wrote:
On Fri, 2014-10-17 at 11:27 +0200, Valentin Longchamp wrote:
With fsl-i2c compatibility the i2c frequency is not set
correctly, because it sets no prescaler. According to the AN2919 from
On 10/29/2014 12:08 AM, Scott Wood wrote:
On Fri, 2014-10-17 at 11:27 +0200, Valentin Longchamp wrote:
With fsl-i2c compatibility the i2c frequency is not set
correctly, because it sets no prescaler. According to the AN2919 from
Freescale and the QorIQ (P2041) documentation, the source clock
On Fri, 2014-10-17 at 11:27 +0200, Valentin Longchamp wrote:
With fsl-i2c compatibility the i2c frequency is not set
correctly, because it sets no prescaler. According to the AN2919 from
Freescale and the QorIQ (P2041) documentation, the source clock is 1/2
the platform clock. This implies
With fsl-i2c compatibility the i2c frequency is not set
correctly, because it sets no prescaler. According to the AN2919 from
Freescale and the QorIQ (P2041) documentation, the source clock is 1/2
the platform clock. This implies that a prescaler of 2 must be used.
This changes the compatibility
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