[PATCH 3/4] OMAP: Define TCA6424 max number of possible IRQs
From: Chandrabhanu Mahapatra <hidden>
Date: 2012-07-10 13:36:25
Also in:
lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
From: Leed Aguilar <redacted> 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. Change-Id: I22e4fbb3a1e4c4b53ae698a9b22cdb0f4ad7f4e6 Signed-off-by: Leed Aguilar <redacted> Signed-off-by: Chandrabhanu Mahapatra <redacted> --- 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