From: Rini van Zetten <rini@arvoo.nl>
To: Kumar Gala <galak@kernel.crashing.org>
Cc: spi-devel-general@lists.sourceforge.net,
linuxppc-dev list <Linuxppc-dev@ozlabs.org>
Subject: Re: [PATCH -mm v3][POWERPC] mpc8xxx : allow SPI without cs.
Date: Fri, 19 Jun 2009 13:16:08 +0200 [thread overview]
Message-ID: <4A3B7378.8050003@arvoo.nl> (raw)
In-Reply-To: <292C3A97-D618-460C-BE3F-B8770F63C2E3@kernel.crashing.org>
>
> On Jun 19, 2009, at 2:26 AM, Rini van Zetten wrote:
>
>> This patch adds the possibility to have a spi device without a cs.
>>
>> For example, the dts file should look something like this:
>>
>> spi-controller {
>> gpios = <&pio1 1 0 /* cs0 */
>> 0 /* cs1, no GPIO */
>> &pio2 2 0>; /* cs2 */
>>
>> Signed-off-by: Rini van Zetten <rini@arvoo.nl>
>> ---
>> Changes :
>> patch against 2.6.30-rc8-mm1
>> style updates
>> compiler warning fix
>> comment :
>> This feature is needed on our home made board to program an
>> onboard fpga.
>> The fpga needs some special pin toggling to put it in programming
>> mode.
>> That's why we want to skip the usual gpio cs and do the pin toggling
>> in our driver
>>
>
> Which FSL chip are you using?
We use the MPC8377E
Rini
>
> - k
>
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/linuxppc-dev
--
Rini van Zetten
Senior Software Engineer
-------------------------
ARVOO Engineering B.V.
Tasveld 13
3417 XS Montfoort
The Netherlands
E-mail : <mailto:rini@arvoo.com> Rini van Zetten
Web : www.arvoo.com
next prev parent reply other threads:[~2009-06-19 11:16 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-18 6:19 [PATCH -mm][POWERPC] mpc8xxx : allow SPI without cs Rini van Zetten
2009-06-18 12:42 ` Kumar Gala
2009-06-18 13:09 ` Anton Vorontsov
2009-06-18 14:04 ` Kumar Gala
2009-06-19 7:26 ` [PATCH -mm v3][POWERPC] " Rini van Zetten
2009-06-19 7:45 ` Kumar Gala
2009-06-19 11:16 ` Rini van Zetten [this message]
2009-06-19 13:45 ` Anton Vorontsov
2009-06-19 14:18 ` [PATCH -mm v4][POWERPC] " Rini van Zetten
2009-07-03 1:38 ` [spi-devel-general] " David Brownell
2009-06-19 11:45 ` [PATCH -mm][POWERPC] " Leon Woestenberg
2009-06-19 13:25 ` Anton Vorontsov
2009-06-19 15:31 ` Grant Likely
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