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ARM: OMAP: board-omap3beagle: set i2c-3 to 100kHz

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Changing it do 100kHz is needed to make more devices works properly. Controlling the
TI DLP Pico projector[1] doesn't work properly at 400kHz, 100kHz and lower work fine.
EDID readout is unaffected by this change.

[1] http://focus.ti.com/dlpdmd/docs/dlpdiscovery.tsp?sectionId=60&tabId=2234

Signed-off-by: Koen Kooi <koen@beagleboard.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Koen Kooi 2009-03-04 10:07:42 -08:00 committed by Tony Lindgren
parent e951651657
commit 8ca7fe267f
1 changed files with 3 additions and 1 deletions
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4
arch/arm/mach-omap2/board-omap3beagle.c
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@ -178,7 +178,9 @@ static int __init omap3_beagle_i2c_init(void)
#ifdef CONFIG_I2C2_OMAP_BEAGLE
omap_register_i2c_bus(2, 400, NULL, 0);
#endif
omap_register_i2c_bus(3, 400, NULL, 0);
/* Bus 3 is attached to the DVI port where devices like the pico DLP
* projector don't work reliably with 400kHz */
omap_register_i2c_bus(3, 100, NULL, 0);
return 0;
}