[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>
diff --git a/include/asm-arm/arch-ep93xx/ep93xx-regs.h b/include/asm-arm/arch-ep93xx/ep93xx-regs.h
index c1efacc..71cea0b 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 8c10fb9..9a42f5d 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