avr32: Enable pullup on USART TX lines
authorAnders Blomdell <anders.blomdell@control.lth.se>
Fri, 24 Oct 2008 12:54:08 +0000 (14:54 +0200)
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>
Fri, 24 Oct 2008 13:45:48 +0000 (15:45 +0200)
commit105462632c37ea5484ebae7db6e85e0aaac28f4b
tree025374b7a0d08e06f0c8c20bdfbd16fcf2ee3f0a
parent57f8f7b60db6f1ed2c6918ab9230c4623a9dbe37
avr32: Enable pullup on USART TX lines

Make USART initialization conform to Section 24.6.1 in the AT32AP7000 manual,
i.e. "To prevent the TXD line from falling when the USART is disabled, the use
of an internal pull up is mandatory."

Signed-off-by: Anders Blomdell <anders.blomdell@control.lth.se>
[haavard.skinnemoen@atmel.com: enable pullup on RX as well]
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
arch/avr32/mach-at32ap/at32ap700x.c