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arm: at91: G45 TWI: remove open drain setting for twi function gpios

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The G45 datasheets explicitly states that setting the open drain property
on peripheral function gpios is not allowed. (How about other A91 chips?)

Signed-off-by: Nikolaus Voss <n.voss@weinmann.de>
Tested-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Reviewed-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
This commit is contained in:
Nikolaus Voss 2011-11-08 12:11:03 +01:00 committed by Wolfram Sang
parent fac368a040
commit 774c8018d2
1 changed files with 0 additions and 6 deletions
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6
arch/arm/mach-at91/at91sam9g45_devices.c
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@ -686,18 +686,12 @@ void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, in
/* pins used for TWI interface */
if (i2c_id == 0) {
at91_set_A_periph(AT91_PIN_PA20, 0); /* TWD */
at91_set_multi_drive(AT91_PIN_PA20, 1);
at91_set_A_periph(AT91_PIN_PA21, 0); /* TWCK */
at91_set_multi_drive(AT91_PIN_PA21, 1);
platform_device_register(&at91sam9g45_twi0_device);
} else {
at91_set_A_periph(AT91_PIN_PB10, 0); /* TWD */
at91_set_multi_drive(AT91_PIN_PB10, 1);
at91_set_A_periph(AT91_PIN_PB11, 0); /* TWCK */
at91_set_multi_drive(AT91_PIN_PB11, 1);
platform_device_register(&at91sam9g45_twi1_device);
}