mfd: Add IRQ domain support for the AB8500
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>
diff --git a/include/linux/mfd/abx500/ab8500.h b/include/linux/mfd/abx500/ab8500.h
index 91dd3ef..4ae2cd9 100644
--- a/include/linux/mfd/abx500/ab8500.h
+++ b/include/linux/mfd/abx500/ab8500.h
@@ -9,6 +9,7 @@
#include <linux/atomic.h>
#include <linux/mutex.h>
+#include <linux/irqdomain.h>
struct device;
@@ -227,6 +228,7 @@
* @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 @@
atomic_t transfer_ongoing;
int irq_base;
int irq;
+ struct irq_domain *domain;
enum ab8500_version version;
u8 chip_id;
@@ -336,4 +339,6 @@
return (is_ab8500(ab) && (ab->chip_id == AB8500_CUT2P0));
}
+int ab8500_irq_get_virq(struct ab8500 *ab8500, int irq);
+
#endif /* MFD_AB8500_H */