diff options
| author | Marek Vasut <marex@denx.de> | 2016-05-04 23:05:23 +0200 |
|---|---|---|
| committer | Andreas Bießmann <andreas@biessmann.org> | 2016-06-12 23:49:38 +0200 |
| commit | 152ac5fabf05daf6b0ae28f04d540b1e005c3ea1 (patch) | |
| tree | 8c50ec7961e700472dedea8fcc8ba926ac122ee3 /drivers/serial/serial_stm32x7.h | |
| parent | 6b3943f1b04be60f147ee540fbd72c4c7ea89f80 (diff) | |
| download | u-boot-imx-152ac5fabf05daf6b0ae28f04d540b1e005c3ea1.zip u-boot-imx-152ac5fabf05daf6b0ae28f04d540b1e005c3ea1.tar.gz u-boot-imx-152ac5fabf05daf6b0ae28f04d540b1e005c3ea1.tar.bz2 | |
gpio: at91: Fix pullup/pulldown configuration on PIO3
On systems with PIO3 (SAMA5D3/D4/..), the pullup and pulldown configuration
is mutualy exclusive. This patch assures that the opposite pull resistor gets
disabled before the requested pull resistor is enabled. This changes behavior
of at91_set_pio_pulldown() such that the pullup is only disabled if pulldown
is to be enabled. This changes behavior of at91_set_pio_pullup() such that
the pulldown is only disabled if pullup is to be enabled.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Josh Wu <josh.wu@atmel.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
Diffstat (limited to 'drivers/serial/serial_stm32x7.h')
0 files changed, 0 insertions, 0 deletions