Messages in this thread Patch in this message | | | From | Nikolaus Voss <> | Date | Tue, 8 Nov 2011 12:11:03 +0100 | Subject | [PATCH v6 4/5] 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> --- arch/arm/mach-at91/at91sam9g45_devices.c | 6 ------ 1 files changed, 0 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index 09a16d6..8743b14 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -684,18 +684,12 @@ 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); } -- 1.7.5.4
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