From: Leed Aguilar <leed.agui...@ti.com>

TCA6424 being a 24 bit I2C and SMBus I/O expander has 24 available GPIO lines
that can be used as IRQs lines. So, the support for 24 more IRQ lines has been
added to the kernel.

Signed-off-by: Leed Aguilar <leed.agui...@ti.com>
Signed-off-by: Chandrabhanu Mahapatra <cmahapa...@ti.com>
---
 arch/arm/plat-omap/include/plat/irqs.h |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/arm/plat-omap/include/plat/irqs.h 
b/arch/arm/plat-omap/include/plat/irqs.h
index 37bbbbb..97c71ba 100644
--- a/arch/arm/plat-omap/include/plat/irqs.h
+++ b/arch/arm/plat-omap/include/plat/irqs.h
@@ -378,8 +378,17 @@
 #endif
 #define OMAP_FPGA_IRQ_END      (OMAP_FPGA_IRQ_BASE + OMAP_FPGA_NR_IRQS)
 
+/* TCA6424A I2C and SMBus I/O expander */
+#define OMAP_TCA6424_IRQ_BASE  (OMAP_FPGA_IRQ_END)
+#ifdef CONFIG_GPIO_PCA953X
+#define OMAP_TCA6424_NR_IRQS   24
+#else
+#define OMAP_TCA6424_NR_IRQS   0
+#endif
+#define OMAP_TCA6424_IRQ_END   (OMAP_TCA6424_IRQ_BASE + OMAP_TCA6424_NR_IRQS)
+
 /* External TWL4030 can handle interrupts on 2430 and 34xx boards */
-#define        TWL4030_IRQ_BASE        (OMAP_FPGA_IRQ_END)
+#define        TWL4030_IRQ_BASE        (OMAP_TCA6424_IRQ_END)
 #ifdef CONFIG_TWL4030_CORE
 #define        TWL4030_BASE_NR_IRQS    8
 #define        TWL4030_PWR_NR_IRQS     8
-- 
1.7.10

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