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authorDavid Woodhouse <David.Woodhouse@intel.com>2009-09-20 05:55:36 -0700
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-09-20 05:55:36 -0700
commit6469f540ea37d53db089c8fea9c0c77a3d9353d4 (patch)
tree1dc9dc077150d57f4424cae49e711b5dd6e903a1 /arch/arm/mach-davinci/include/mach/gpio.h
parent304e6d5fe294b80e6d3107f99ec241816390ebcc (diff)
parent78f28b7c555359c67c2a0d23f7436e915329421e (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/mtd/mtdcore.c Merged in order that I can apply the Nomadik nand/onenand support patches.
Diffstat (limited to 'arch/arm/mach-davinci/include/mach/gpio.h')
-rw-r--r--arch/arm/mach-davinci/include/mach/gpio.h13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h
index ae074556831..f3b8ef87815 100644
--- a/arch/arm/mach-davinci/include/mach/gpio.h
+++ b/arch/arm/mach-davinci/include/mach/gpio.h
@@ -42,6 +42,9 @@
*/
#define GPIO(X) (X) /* 0 <= X <= (DAVINCI_N_GPIO - 1) */
+/* Convert GPIO signal to GPIO pin number */
+#define GPIO_TO_PIN(bank, gpio) (16 * (bank) + (gpio))
+
struct gpio_controller {
u32 dir;
u32 out_data;
@@ -78,6 +81,8 @@ __gpio_to_controller(unsigned gpio)
ptr = base + 0x60;
else if (gpio < 32 * 4)
ptr = base + 0x88;
+ else if (gpio < 32 * 5)
+ ptr = base + 0xb0;
else
ptr = NULL;
return ptr;
@@ -142,15 +147,13 @@ static inline int gpio_cansleep(unsigned gpio)
static inline int gpio_to_irq(unsigned gpio)
{
- if (gpio >= DAVINCI_N_GPIO)
- return -EINVAL;
- return davinci_soc_info.intc_irq_num + gpio;
+ return __gpio_to_irq(gpio);
}
static inline int irq_to_gpio(unsigned irq)
{
- /* caller guarantees gpio_to_irq() succeeded */
- return irq - davinci_soc_info.intc_irq_num;
+ /* don't support the reverse mapping */
+ return -ENOSYS;
}
#endif /* __DAVINCI_GPIO_H */