From: Wolfgang Grandegger <wg@grandegger.com>
To: Grant Likely <grant.likely@secretlab.ca>
Cc: linuxppc-dev@ozlabs.org, devicetree-discuss@ozlabs.org,
linux-i2c@vger.kernel.org, Ben Dooks <ben-linux@fluff.org>
Subject: Re: [PATCH v3 5/5] powerpc/85xx: i2c-mpc: use new I2C bindings for the Socates board
Date: Wed, 08 Apr 2009 09:16:29 +0200 [thread overview]
Message-ID: <49DC4F4D.10803@grandegger.com> (raw)
In-Reply-To: <fa686aa40904070843q248f3ae1l9c8ca0d5a65c8cc3@mail.gmail.com>
Grant Likely wrote:
> On Tue, Apr 7, 2009 at 1:20 AM, Wolfgang Grandegger <wg@grandegger.com> wrote:
>> Preserve I2C clock settings for the Socrates MPC8544 board.
>
> I had thought that the preserve-clocking property was intended for
> older boards that don't currently have any method of getting the clock
> setting out of u-boot. Since Socrates is a new board, U-Boot should
> probably be made to fill in the real clock rate setting.
I'm not sure if I understand what you mean. If an old version of U-Boot
on an old board sets the I2C clock, it can be used (inherited) by Linux
using the property "preserve-clocking".
It is actually the customers choice to set the I2C clock in U-Boot and
re-use it by Linux.
Wolfgang.
next prev parent reply other threads:[~2009-04-08 7:16 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-07 8:20 [PATCH v3 0/5] i2c: i2c-mpc: make I2C bus speed configurable Wolfgang Grandegger
2009-04-07 8:20 ` [PATCH v3 1/5] i2c: i2c-mpc: various coding style fixes Wolfgang Grandegger
2009-04-07 8:20 ` Wolfgang Grandegger
[not found] ` <20090407082231.177941706-ynQEQJNshbs@public.gmane.org>
2009-04-07 15:36 ` Grant Likely
2009-04-07 15:36 ` Grant Likely
2009-04-07 8:20 ` [PATCH v3 2/5] i2c: i2c-mpc: use dev based printout function Wolfgang Grandegger
2009-04-07 8:20 ` Wolfgang Grandegger
[not found] ` <20090407082231.335327816-ynQEQJNshbs@public.gmane.org>
2009-04-07 15:37 ` Grant Likely
2009-04-07 15:37 ` Grant Likely
2009-04-07 8:20 ` [PATCH v3 3/5] i2c: i2c-mpc: make I2C bus speed configurable Wolfgang Grandegger
2009-04-07 8:20 ` Wolfgang Grandegger
[not found] ` <20090407082231.500525932-ynQEQJNshbs@public.gmane.org>
2009-04-07 15:36 ` Grant Likely
2009-04-07 15:36 ` Grant Likely
2012-11-01 19:19 ` Tabi Timur-B04825
2012-11-07 16:40 ` Timur Tabi
[not found] ` <509A8F0F.4070806-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2012-11-16 13:29 ` Wolfram Sang
[not found] ` <20121116132939.GB7313-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-11-16 16:09 ` Timur Tabi
2009-04-07 8:20 ` [PATCH v3 4/5] powerpc: i2c-mpc: document new FSL I2C bindings and cleanup Wolfgang Grandegger
2009-04-07 8:20 ` Wolfgang Grandegger
[not found] ` <20090407082231.646648985-ynQEQJNshbs@public.gmane.org>
2009-04-07 15:43 ` Grant Likely
2009-04-07 15:43 ` Grant Likely
2009-04-08 5:13 ` Kumar Gala
2009-04-08 5:13 ` Kumar Gala
2009-04-07 8:20 ` [PATCH v3 5/5] powerpc/85xx: i2c-mpc: use new I2C bindings for the Socates board Wolfgang Grandegger
2009-04-07 8:20 ` Wolfgang Grandegger
[not found] ` <20090407082231.803193635-ynQEQJNshbs@public.gmane.org>
2009-04-07 15:43 ` Grant Likely
2009-04-07 15:43 ` Grant Likely
2009-04-08 7:16 ` Wolfgang Grandegger [this message]
2009-04-08 14:53 ` Grant Likely
2009-04-08 14:53 ` Grant Likely
[not found] ` <fa686aa40904080753p2b282338r9ba463c47f897fb-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-04-08 18:27 ` Wolfgang Grandegger
2009-04-08 18:27 ` Wolfgang Grandegger
[not found] ` <49DCEC80.2050507-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2009-04-08 18:43 ` Kumar Gala
2009-04-08 18:43 ` Kumar Gala
[not found] ` <C3323B74-40FE-41BC-A49C-C94D7DB3FF5A-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2009-04-08 18:53 ` Wolfgang Grandegger
2009-04-08 18:53 ` Wolfgang Grandegger
[not found] ` <20090407082052.477328750-ynQEQJNshbs@public.gmane.org>
2009-04-08 5:11 ` [PATCH v3 0/5] i2c: i2c-mpc: make I2C bus speed configurable Kumar Gala
2009-04-08 5:11 ` Kumar Gala
[not found] ` <53B42D49-C040-442E-8448-7BC3190220A5-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2009-04-08 5:16 ` Grant Likely
2009-04-08 5:16 ` Grant Likely
2009-04-08 5:22 ` Kumar Gala
2009-04-08 5:32 ` Grant Likely
2009-04-08 5:32 ` Grant Likely
[not found] ` <5FDB097C-7D71-41DF-A4F4-2DE34FD710C5-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2009-04-08 7:21 ` Wolfgang Grandegger
2009-04-08 7:21 ` Wolfgang Grandegger
2009-04-08 17:03 ` Scott Wood
2009-04-08 17:49 ` Kumar Gala
2009-04-08 5:28 ` Kumar Gala
[not found] ` <F4E3E1FF-C544-460A-AC27-DB9501C13ED3-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2009-04-08 7:25 ` Wolfgang Grandegger
2009-04-08 7:25 ` Wolfgang Grandegger
[not found] ` <49DC515F.3040100-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2009-04-08 15:21 ` Kumar Gala
2009-04-08 15:21 ` Kumar Gala
[not found] ` <E9E24C93-F147-49F0-9FBE-FCE4883D11BF-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2009-04-08 19:55 ` Wolfgang Grandegger
2009-04-08 19:55 ` Wolfgang Grandegger
2009-04-09 9:59 ` Wolfgang Grandegger
2009-04-20 9:01 ` Wolfgang Grandegger
2009-04-20 13:26 ` Grant Likely
2009-04-20 13:26 ` Grant Likely
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