diff options
| author | Jens Scharsig <js_at_ng@scharsoft.de> | 2010-02-03 22:46:16 +0100 |
|---|---|---|
| committer | Tom Rix <Tom.Rix@windriver.com> | 2010-02-12 12:31:54 -0600 |
| commit | ea8fbba73184a40437bdeccd888cf448d5f1105e (patch) | |
| tree | dc0c802fc211dde3a13eed77576e9b72617f4e27 /include/asm-arm/arch-at91/at91_pio.h | |
| parent | 5d8e359c38d3ab80015e47d0cab792efe75cacf9 (diff) | |
add a new AT91 GPIO driver
* add a real AT91 GPIO driver instead of header inline code
* resolve the mixing of port and pins
* change board config files to use new driver
* add macros to gpio to realize backward compatibility
Signed-off-by: Jens Scharsig <js_at_ng@scharsoft.de>
Diffstat (limited to 'include/asm-arm/arch-at91/at91_pio.h')
| -rw-r--r-- | include/asm-arm/arch-at91/at91_pio.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/asm-arm/arch-at91/at91_pio.h b/include/asm-arm/arch-at91/at91_pio.h index 92c37171fc..e5946ca7e0 100644 --- a/include/asm-arm/arch-at91/at91_pio.h +++ b/include/asm-arm/arch-at91/at91_pio.h @@ -100,10 +100,20 @@ typedef union at91_pio { at91_port_t port[AT91_PIO_PORTS]; } at91_pio_t; +#ifdef CONFIG_AT91_GPIO +int at91_set_a_periph(unsigned port, unsigned pin, int use_pullup); +int at91_set_b_periph(unsigned port, unsigned pin, int use_pullup); +int at91_set_pio_input(unsigned port, unsigned pin, int use_pullup); +int at91_set_pio_multi_drive(unsigned port, unsigned pin, int is_on); +int at91_set_pio_output(unsigned port, unsigned pin, int value); +int at91_set_pio_periph(unsigned port, unsigned pin, int use_pullup); +int at91_set_pio_pullup(unsigned port, unsigned pin, int use_pullup); +int at91_set_pio_deglitch(unsigned port, unsigned pin, int is_on); +int at91_set_pio_value(unsigned port, unsigned pin, int value); +int at91_get_pio_value(unsigned port, unsigned pin); +#endif #endif -#define AT91_PIN_TO_MASK(x) (1<<x) -#define AT91_PORTPIN(PORT, PIN) ((0x0##PORT - 9) * 32 + ((PIN) & 0x1F)) #define AT91_PIO_PORTA 0x0 #define AT91_PIO_PORTB 0x1 #define AT91_PIO_PORTC 0x2 |