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[ARM] pxa: add GPIO expander (PCA9539) support for zylonite

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And also reserve 32 IRQs for the two GPIO expanders.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Eric Miao
2008-05-28 10:44:16 +08:00
committed by Russell King
parent 9c1db1a133
commit a1f7fc48c1
2 changed files with 44 additions and 0 deletions
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2
include/asm-arm/arch-pxa/irqs.h
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@@ -184,6 +184,8 @@
defined(CONFIG_MACH_PCM027) || \
defined(CONFIG_MACH_MAGICIAN)
#define NR_IRQS (IRQ_BOARD_END)
#elif defined(CONFIG_MACH_ZYLONITE)
#define NR_IRQS (IRQ_BOARD_START + 32)
#else
#define NR_IRQS (IRQ_BOARD_START)
#endif