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Commit 774c8018 authored by Nikolaus Voss's avatar Nikolaus Voss Committed by Wolfram Sang
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arm: at91: G45 TWI: remove open drain setting for twi function gpios 



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: default avatarNikolaus Voss <n.voss@weinmann.de>
Tested-by: default avatarLudovic Desroches <ludovic.desroches@atmel.com>
Reviewed-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarWolfram Sang <w.sang@pengutronix.de>
parent fac368a0

arch/arm/mach-at91/at91sam9g45_devices.c

+0 −6
Original line number Diff line number Diff line
@@ -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);

	}