[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>

2 files changed, 13 insertions, 1 deletions

diff --git a/include/asm-arm/arch-ep93xx/ep93xx-regs.h b/include/asm-arm/arch-ep93xx/ep93xx-regs.h
index c1efacc83b75..71cea0b5841b 100644
--- a/include/asm-arm/arch-ep93xx/ep93xx-regs.h
+++ b/include/asm-arm/arch-ep93xx/ep93xx-regs.h
@@ -72,6 +72,16 @@
 
 #define EP93XX_GPIO_BASE                (EP93XX_APB_VIRT_BASE + 0x00040000)
 #define EP93XX_GPIO_REG(x)              (EP93XX_GPIO_BASE + (x))
+#define EP93XX_GPIO_A_INT_TYPE1         EP93XX_GPIO_REG(0x90)
+#define EP93XX_GPIO_A_INT_TYPE2         EP93XX_GPIO_REG(0x94)
+#define EP93XX_GPIO_A_INT_ACK           EP93XX_GPIO_REG(0x98)
+#define EP93XX_GPIO_A_INT_ENABLE        EP93XX_GPIO_REG(0x9c)
+#define EP93XX_GPIO_A_INT_STATUS        EP93XX_GPIO_REG(0xa0)
+#define EP93XX_GPIO_B_INT_TYPE1         EP93XX_GPIO_REG(0xac)
+#define EP93XX_GPIO_B_INT_TYPE2         EP93XX_GPIO_REG(0xb0)
+#define EP93XX_GPIO_B_INT_ACK           EP93XX_GPIO_REG(0xb4)
+#define EP93XX_GPIO_B_INT_ENABLE        EP93XX_GPIO_REG(0xb8)
+#define EP93XX_GPIO_B_INT_STATUS        EP93XX_GPIO_REG(0xbc)
 
 #define EP93XX_AAC_BASE                 (EP93XX_APB_VIRT_BASE + 0x00080000)
 
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