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mfd: Add IRQ domain support for the AB8500

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As the AB8500 is an IRQ controller in its own right, here we provide
the AB8500 driver with IRQ domain support. This is required if we wish
to reference any of its IRQs from a platform's Device Tree.

Cc: Naga Radheshy <naga.radheshy@stericsson.com>
Cc: Mattias Wallin <mattias.wallin@stericsson.com>
Cc: Daniel Willerud <daniel.willerud@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Lee Jones
2012-06-20 13:56:37 +01:00
committed by Samuel Ortiz
parent 3c14476204
commit 06e589efa5
3 changed files with 76 additions and 60 deletions
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5
include/linux/mfd/abx500/ab8500.h
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@@ -9,6 +9,7 @@
#include <linux/atomic.h>
#include <linux/mutex.h>
#include <linux/irqdomain.h>
struct device;
@@ -227,6 +228,7 @@ enum ab8500_version {
* @irq_lock: genirq bus lock
* @transfer_ongoing: 0 if no transfer ongoing
* @irq: irq line
* @irq_domain: irq domain
* @version: chip version id (e.g. ab8500 or ab9540)
* @chip_id: chip revision id
* @write: register write
@@ -247,6 +249,7 @@ struct ab8500 {
atomic_t transfer_ongoing;
int irq_base;
int irq;
struct irq_domain *domain;
enum ab8500_version version;
u8 chip_id;
@@ -336,4 +339,6 @@ static inline int is_ab8500_2p0(struct ab8500 *ab)
return (is_ab8500(ab) && (ab->chip_id == AB8500_CUT2P0));
}
int ab8500_irq_get_virq(struct ab8500 *ab8500, int irq);
#endif /* MFD_AB8500_H */