diff options
| author | Juergen Beisert <j.beisert@pengutronix.de> | 2008-07-05 10:02:49 +0200 |
|---|---|---|
| committer | Robert Schwebel <r.schwebel@pengutronix.de> | 2008-07-05 10:02:49 +0200 |
| commit | 07bd1a6cc7cbb3f373fbe49b204c6cde5e9155fc (patch) | |
| tree | 94a09785b99feebe4c83e836a976fe7fbf146813 /include/asm-arm/arch-mxc/mx31.h | |
| parent | e3d13ff4b9d3b05d7a969153e2c049548e25deea (diff) | |
MXC arch: Add gpio support for the whole platform
This patch bases on the one from Daniel Mack. The most important change to
Daniel's patch is to be more generic. This gpio routine supports at least
the i.MX27 and i.MX31 processors.
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
Acked-by: Daniel Mack <daniel@caiaq.de>
Diffstat (limited to 'include/asm-arm/arch-mxc/mx31.h')
| -rw-r--r-- | include/asm-arm/arch-mxc/mx31.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-arm/arch-mxc/mx31.h b/include/asm-arm/arch-mxc/mx31.h index 36a1af495bb..98e6a4cd1ea 100644 --- a/include/asm-arm/arch-mxc/mx31.h +++ b/include/asm-arm/arch-mxc/mx31.h @@ -347,6 +347,25 @@ #define SYSTEM_REV_MIN CHIP_REV_1_0 #define SYSTEM_REV_NUM 3 +/* gpio and gpio based interrupt handling */ +#define GPIO_DR 0x00 +#define GPIO_GDIR 0x04 +#define GPIO_PSR 0x08 +#define GPIO_ICR1 0x0C +#define GPIO_ICR2 0x10 +#define GPIO_IMR 0x14 +#define GPIO_ISR 0x18 +#define GPIO_INT_LOW_LEV 0x0 +#define GPIO_INT_HIGH_LEV 0x1 +#define GPIO_INT_RISE_EDGE 0x2 +#define GPIO_INT_FALL_EDGE 0x3 +#define GPIO_INT_NONE 0x4 + +/* Mandatory defines used globally */ + +/* this CPU supports up to 96 GPIOs */ +#define ARCH_NR_GPIOS 96 + #if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS) /* this is a i.MX31 CPU */ |