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path: root/arch/nios2/include/asm/gpio.h
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* gpio: Add driver for Altera's PIO coreJoachim Foerster2011-10-281-2/+11
| | | | | | | | | | | | This driver may handle multiple PIO cores and thus needs to be setup by calling the altera_pio_init() function within the early board setup routine. The driver comes with some extras, see below the copyleft header. Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com> Tested-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
* nios2: add gpio_is_validThomas Chou2011-02-081-0/+6
| | | | | Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: Scott McNutt <smcnutt@psyent.com>
* nios2: add gpio_freeThomas Chou2011-02-081-0/+6
| | | | | Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: Scott McNutt <smcnutt@psyent.com>
* nios2: add gpio_requestThomas Chou2010-07-121-0/+6
| | | | | | | This will be used by nand_plat. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: Scott McNutt <smcnutt@psyent.com>
* nios2: add gpio supportThomas Chou2010-05-281-0/+52
This patch adds driver for a trivial gpio core, which is described in http://nioswiki.com/GPIO. It is used for gpio led and nand flash interface in u-boot. When CONFIG_SYS_GPIO_BASE is not defined, board may provide its own driver. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Tested-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Scott McNutt <smcnutt@psyent.com>
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