From: Dirk Behme <dirk.behme@googlemail.com>
To: Arnold <abo_gwapo@yahoo.com>
Cc: linux-omap-open-source@linux.omap.com
Subject: Re: gpio Interrupt handling for omap5912
Date: Mon, 31 Jul 2006 11:22:50 +0200 [thread overview]
Message-ID: <44CDCBEA.3040703@gmail.com> (raw)
In-Reply-To: <20060731085200.16004.qmail@web55810.mail.re3.yahoo.com>
Arnold wrote:
> Anybody knows what interrupt number a gpio on omap5912
> uses?
AFAIK interrupt numbers for GPIO start with 160 and then are
numbered starting with first GPIO bank and so on.
See include/asm-arm/arch-omap/irqs.h:
#define IH2_BASE 32
/* Max. 128 level 2 IRQs (OMAP1610), 192 GPIOs (OMAP730) and
* 16 MPUIO lines */
#define OMAP_MAX_GPIO_LINES 192
#define IH_GPIO_BASE (128 + IH2_BASE)
#define IH_MPUIO_BASE (OMAP_MAX_GPIO_LINES +
IH_GPIO_BASE)
#define IH_BOARD_BASE (16 + IH_MPUIO_BASE)
Have a look to GPIO framework in gpio.c and its usage in
various files which can help you programming GPIO stuff.
Cheers
Dirk
next prev parent reply other threads:[~2006-07-31 9:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-30 16:47 Reg: OMAP Debugging karthik karthik
2006-07-31 8:52 ` gpio Interrupt handling for omap5912 Arnold
2006-07-31 9:22 ` Dirk Behme [this message]
2006-08-01 9:18 ` Arnold
2006-08-01 10:25 ` NETDEV WATCHDOG: eth0: transmit timed out Arnold
[not found] <44D1C3AF.5010004@gmail.com>
2006-08-04 2:49 ` gpio Interrupt handling for omap5912 Arnold
2006-08-13 14:15 ` Dirk Behme
2006-08-13 22:22 ` lamikr
2006-08-14 7:17 ` Dirk Behme
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