[ARM] 3374/1: ep93xx: gpio interrupt support

Patch from Lennert Buytenhek

Add GPIO interrupt support for the first 16 GPIO lines (port A
and B.)

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 3 insertions, 1 deletions

diff --git a/include/asm-arm/arch-ep93xx/irqs.h b/include/asm-arm/arch-ep93xx/irqs.h
index 8c10fb964faf..9a42f5de9e57 100644
--- a/include/asm-arm/arch-ep93xx/irqs.h
+++ b/include/asm-arm/arch-ep93xx/irqs.h
@@ -67,7 +67,9 @@
 #define IRQ_EP93XX_SAI                  60
 #define EP93XX_VIC2_VALID_IRQ_MASK      0x1fffffff
 
-#define NR_EP93XX_IRQS                  64
+#define IRQ_EP93XX_GPIO(x)              (64 + (x))
+
+#define NR_EP93XX_IRQS                  IRQ_EP93XX_GPIO(16)
 
 #define EP93XX_BOARD_IRQ(x)             (NR_EP93XX_IRQS + (x))
 #define EP93XX_BOARD_IRQS               32