From: vikram pandita <vikram.pandita@ti.com>
Date: Sat, 14 Nov 2009 01:37:34 +0000 (-0800)
Subject: omap3: zoom: Drop i2c-1 speed to 2400
X-Git-Tag: v2.6.32-omap1~11^2~2^2~15
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b01adc39790db30024e05fc66f96c2b55170cc7;p=pandora-kernel.git

omap3: zoom: Drop i2c-1 speed to 2400

The I2C-1 bus frequency on zoom2/zoom3/sdp3630 should be 2.4 MHz.
The speed is limited by TWL5030/GAIA; a higher speed could lead to errors
on the interface.

The maximum I2C speed depends on the system clock for GAIA:
2.2 MHz (sys-clk = 19.2 MHz)
2.4 MHz (sys-clk = 26 MHz)
2.9 MHz (sys-clk = 38.4 MHz)

For Zoom2/Zoom3/SDP3630 the system clock is 26Mhz
and hence choose 2.4Mhz for I2C1 bus speed

Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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