From: Timur Tabi <timur-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
Cc: Scott Wood <scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
Linuxppc-dev-mnsaURCQ41sdnm+yROfE0A@public.gmane.org,
Wolfgang Grandegger <wg-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>,
Linux I2C <i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org>
Subject: Re: [PATCH] powerpc: i2c-mpc: make speed registers configurable via FDT
Date: Thu, 31 Jul 2008 13:10:30 -0500 [thread overview]
Message-ID: <48920016.5000506@freescale.com> (raw)
In-Reply-To: <fa686aa40807311107m44ce7fbk35e94d1a24b992fb-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
Grant Likely wrote:
> On Thu, Jul 31, 2008 at 12:07 PM, Wolfgang Grandegger <wg-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org> wrote:
>> We could add a property "source-clock-divider = <2/3>" if it's needed!?
>
> fsl,source-clock-divider
>
> But, yes, this is a good solution (assuming that it is a board or SoC
> characteristic, and not just a choice that the driver has the option
> of making on it's own).
I was going to suggest the actual clock frequency of the I2C device. It would
be value of gd->i2c1_clk or gd->i2c2_clk from U-Boot. The actual divider value
is meaningless.
--
Timur Tabi
Linux kernel developer at Freescale
_______________________________________________
i2c mailing list
i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org
http://lists.lm-sensors.org/mailman/listinfo/i2c
WARNING: multiple messages have this Message-ID (diff)
From: Timur Tabi <timur@freescale.com>
To: Grant Likely <grant.likely@secretlab.ca>
Cc: Scott Wood <scottwood@freescale.com>,
Linuxppc-dev@ozlabs.org, Linux I2C <i2c@lm-sensors.org>
Subject: Re: [PATCH] powerpc: i2c-mpc: make speed registers configurable via FDT
Date: Thu, 31 Jul 2008 13:10:30 -0500 [thread overview]
Message-ID: <48920016.5000506@freescale.com> (raw)
In-Reply-To: <fa686aa40807311107m44ce7fbk35e94d1a24b992fb@mail.gmail.com>
Grant Likely wrote:
> On Thu, Jul 31, 2008 at 12:07 PM, Wolfgang Grandegger <wg@grandegger.com> wrote:
>> We could add a property "source-clock-divider = <2/3>" if it's needed!?
>
> fsl,source-clock-divider
>
> But, yes, this is a good solution (assuming that it is a board or SoC
> characteristic, and not just a choice that the driver has the option
> of making on it's own).
I was going to suggest the actual clock frequency of the I2C device. It would
be value of gd->i2c1_clk or gd->i2c2_clk from U-Boot. The actual divider value
is meaningless.
--
Timur Tabi
Linux kernel developer at Freescale
next prev parent reply other threads:[~2008-07-31 18:10 UTC|newest]
Thread overview: 135+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-25 7:37 [PATCH] powerpc: i2c-mpc: make speed registers configurable via FDT Wolfgang Grandegger
2008-07-25 8:51 ` Jochen Friedrich
2008-07-25 9:04 ` Wolfgang Grandegger
2008-07-25 13:12 ` Grant Likely
2008-07-25 14:21 ` Timur Tabi
2008-07-25 15:04 ` Jon Smirl
2008-07-25 15:23 ` Wolfgang Grandegger
2008-07-25 16:19 ` Timur Tabi
2008-07-27 1:27 ` Grant Likely
2008-07-31 11:51 ` Wolfgang Grandegger
2008-07-31 15:49 ` Jon Smirl
2008-07-31 15:55 ` Timur Tabi
[not found] ` <4891E06A.4070608-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2008-07-31 23:32 ` Trent Piepho
2008-07-31 23:32 ` [i2c] " Trent Piepho
2008-08-01 13:17 ` Timur Tabi
2008-08-01 15:47 ` Scott Wood
2008-08-01 19:47 ` Trent Piepho
[not found] ` <Pine.LNX.4.58.0808011246290.10341-13q4cmjDBaTP3RPoUHIrnuTW4wlIGRCZ@public.gmane.org>
2008-08-01 19:50 ` Timur Tabi
2008-08-01 19:50 ` [i2c] " Timur Tabi
2008-07-31 17:22 ` Wolfgang Grandegger
[not found] ` <4891F4D8.9090905-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2008-07-31 17:31 ` Grant Likely
2008-07-31 17:31 ` Grant Likely
2008-07-31 17:51 ` Wolfgang Grandegger
[not found] ` <fa686aa40807311031r66f6451aw206faf54509c14d9-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-31 17:54 ` Timur Tabi
2008-07-31 17:54 ` Timur Tabi
2008-07-31 18:07 ` Wolfgang Grandegger
[not found] ` <4891FF51.4020701-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2008-07-31 18:06 ` Timur Tabi
2008-07-31 18:06 ` Timur Tabi
2008-07-31 18:07 ` Grant Likely
[not found] ` <fa686aa40807311107m44ce7fbk35e94d1a24b992fb-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-31 18:10 ` Timur Tabi [this message]
2008-07-31 18:10 ` Timur Tabi
[not found] ` <48920016.5000506-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2008-07-31 18:21 ` Grant Likely
2008-07-31 18:21 ` Grant Likely
2008-07-31 18:09 ` Grant Likely
[not found] ` <20080731180959.GA29057-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
2008-07-31 18:13 ` Timur Tabi
2008-07-31 18:13 ` Timur Tabi
2008-07-31 18:28 ` Grant Likely
[not found] ` <20080731182810.GB29097-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
2008-07-31 18:35 ` Timur Tabi
2008-07-31 18:35 ` Timur Tabi
2008-07-31 18:57 ` Jon Smirl
[not found] ` <9e4733910807311157q358640ddyef1f14865c069b8-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-31 19:01 ` Timur Tabi
2008-07-31 19:01 ` Timur Tabi
2008-07-31 19:25 ` Grant Likely
2008-07-31 19:25 ` Grant Likely
2008-08-01 0:22 ` [i2c] " Trent Piepho
[not found] ` <Pine.LNX.4.58.0807311656250.10341-13q4cmjDBaTP3RPoUHIrnuTW4wlIGRCZ@public.gmane.org>
2008-08-01 1:19 ` Jon Smirl
2008-08-01 1:19 ` [i2c] " Jon Smirl
[not found] ` <9e4733910807311819i60872285ga4829c841185fdc0-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-08-01 1:36 ` Trent Piepho
2008-08-01 1:36 ` [i2c] " Trent Piepho
[not found] ` <Pine.LNX.4.58.0807311828580.10341-13q4cmjDBaTP3RPoUHIrnuTW4wlIGRCZ@public.gmane.org>
2008-08-01 1:44 ` Jon Smirl
2008-08-01 1:44 ` [i2c] " Jon Smirl
[not found] ` <9e4733910807311844p142b26ffyb4105df3e136f65-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-08-01 15:02 ` Timur Tabi
2008-08-01 15:02 ` [i2c] " Timur Tabi
2008-08-01 16:05 ` Jon Smirl
2008-08-01 7:29 ` Wolfgang Grandegger
2008-08-01 2:03 ` Grant Likely
2008-08-01 2:35 ` Jon Smirl
2008-08-01 13:25 ` Timur Tabi
2008-08-01 14:28 ` Jon Smirl
[not found] ` <ed82fe3e0808010625q53680d42l83f28a6df835f959-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-08-01 14:32 ` Jon Smirl
2008-08-01 14:32 ` [i2c] " Jon Smirl
2008-08-01 21:14 ` Trent Piepho
2008-08-01 7:25 ` Wolfgang Grandegger
2008-08-01 14:38 ` Grant Likely
[not found] ` <48920607.5040606-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2008-07-31 19:01 ` Scott Wood
2008-07-31 19:01 ` Scott Wood
2008-07-31 19:08 ` Timur Tabi
2008-07-31 19:15 ` Scott Wood
[not found] ` <48920F69.6020909-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2008-07-31 19:19 ` Timur Tabi
2008-07-31 19:19 ` Timur Tabi
[not found] ` <48921057.8030807-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2008-07-31 19:21 ` Scott Wood
2008-07-31 19:21 ` Scott Wood
[not found] ` <489210AF.7000909-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2008-07-31 19:22 ` Timur Tabi
2008-07-31 19:22 ` Timur Tabi
2008-07-31 19:11 ` Jon Smirl
2008-07-31 19:14 ` Grant Likely
2008-07-31 19:24 ` Wolfgang Grandegger
[not found] ` <48921187.1090101-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2008-07-31 19:24 ` Timur Tabi
2008-07-31 19:24 ` Timur Tabi
2008-07-31 19:54 ` Wolfgang Grandegger
2008-07-31 19:58 ` Timur Tabi
2008-07-31 20:17 ` Wolfgang Grandegger
[not found] ` <48921DED.6010403-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2008-07-31 20:19 ` Timur Tabi
2008-07-31 20:19 ` Timur Tabi
2008-07-31 20:28 ` Wolfgang Grandegger
[not found] ` <48922087.4050903-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2008-07-31 20:28 ` Timur Tabi
2008-07-31 20:28 ` Timur Tabi
[not found] ` <48921E44.7010502-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2008-07-31 20:30 ` Grant Likely
2008-07-31 20:30 ` Grant Likely
2008-07-31 20:32 ` Jon Smirl
2008-07-31 20:32 ` Jon Smirl
[not found] ` <9e4733910807311332q611b43b3y26f64b5269ccb657-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-31 20:35 ` Grant Likely
2008-07-31 20:35 ` Grant Likely
[not found] ` <fa686aa40807311335t1dd123d0mc385234ebe55248-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-31 20:37 ` Timur Tabi
2008-07-31 20:37 ` Timur Tabi
2008-07-31 20:48 ` Grant Likely
2008-07-31 20:55 ` Jon Smirl
[not found] ` <9e4733910807311355q3394b4bfg66c37055384451f7-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-31 20:56 ` Scott Wood
2008-07-31 20:56 ` Scott Wood
2008-07-31 20:56 ` Timur Tabi
2008-07-31 20:56 ` Timur Tabi
2008-07-31 21:03 ` Jon Smirl
[not found] ` <9e4733910807311403o63c37366ldae30e873f33a21e-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-31 21:10 ` Timur Tabi
2008-07-31 21:10 ` Timur Tabi
2008-07-31 21:14 ` Wolfgang Grandegger
[not found] ` <48922B40.3010808-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2008-07-31 21:17 ` Timur Tabi
2008-07-31 21:17 ` Timur Tabi
2008-08-01 1:16 ` [i2c] " Trent Piepho
2008-08-01 0:57 ` Trent Piepho
2008-07-31 20:35 ` Timur Tabi
2008-07-31 20:35 ` Timur Tabi
[not found] ` <48922218.9020503-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2008-07-31 20:43 ` Jon Smirl
2008-07-31 20:43 ` Jon Smirl
[not found] ` <9e4733910807311343h3a1b21dbub15754090a67fac6-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-07-31 20:44 ` Timur Tabi
2008-07-31 20:44 ` Timur Tabi
2008-07-31 19:59 ` Grant Likely
[not found] ` <20080731195911.GA29610-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
2008-07-31 20:00 ` Timur Tabi
2008-07-31 20:00 ` Timur Tabi
2008-07-31 20:20 ` Wolfgang Grandegger
[not found] ` <48921EA2.1080600-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2008-07-31 20:19 ` Timur Tabi
2008-07-31 20:19 ` Timur Tabi
2008-08-01 0:46 ` [i2c] " Trent Piepho
[not found] ` <Pine.LNX.4.58.0807311742230.10341-13q4cmjDBaTP3RPoUHIrnuTW4wlIGRCZ@public.gmane.org>
2008-08-01 14:34 ` Grant Likely
2008-08-01 14:34 ` [i2c] " Grant Likely
2008-08-01 14:48 ` Geert Uytterhoeven
2008-08-01 14:48 ` Geert Uytterhoeven
2008-07-31 17:35 ` Jon Smirl
2008-07-31 17:35 ` Jon Smirl
2008-07-31 16:51 ` Grant Likely
2008-07-31 17:06 ` Jon Smirl
2008-07-31 17:36 ` Grant Likely
2008-07-31 17:47 ` Jon Smirl
2008-07-31 17:24 ` Wolfgang Grandegger
2008-07-25 15:34 ` Wolfgang Grandegger
2008-07-27 1:25 ` Grant Likely
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