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omap: RX-51: Drop I2C-1 speed to 2200

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The I2C-1 bus frequency on RX-51 should be 2.2 MHz. The speed is limited
by TWL5030/GAIA; a higher speed could lead to errors on the interface. The
maximum speed depends on the system clock for GAIA: 2.2 MHz (if 19.2 MHz),
2.4 MHz (26 MHz) or 2.9 MHz (38.4 MHz).

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Aaro Koskinen 2009-10-14 09:56:34 -07:00 committed by Tony Lindgren
parent 70cf644c34
commit cb3cc45ad9
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mach-omap2/board-rx51-peripherals.c
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@ -444,7 +444,7 @@ static int __init rx51_i2c_init(void)
rx51_twldata.vaux3 = &rx51_vaux3_cam;
rx51_twldata.vmmc2 = &rx51_vmmc2;
}
omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
omap_register_i2c_bus(1, 2200, rx51_peripherals_i2c_board_info_1,
ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
omap_register_i2c_bus(2, 100, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);