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: 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>

diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index ac1b0f8c3b315e50e6d2d99bc8855b1465b7467d..0fcd8718770f3592c0238bcbd8966d4d2eee2f3d 100644 (file)
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -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);
        }