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-rw-r--r--arch/arm/mach-omap2/prm3xxx.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c
index 372de3edf4a..ff08da385a2 100644
--- a/arch/arm/mach-omap2/prm3xxx.c
+++ b/arch/arm/mach-omap2/prm3xxx.c
@@ -17,6 +17,7 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/irq.h>
+#include <linux/of_irq.h>
#include "soc.h"
#include "common.h"
@@ -673,6 +674,11 @@ int __init omap3xxx_prm_init(void)
return prm_register(&omap3xxx_prm_ll_data);
}
+static struct of_device_id omap3_prm_dt_match_table[] = {
+ { .compatible = "ti,omap3-prm" },
+ { }
+};
+
static int omap3xxx_prm_late_init(void)
{
int ret;
@@ -687,6 +693,18 @@ static int omap3xxx_prm_late_init(void)
omap3_prcm_irq_setup.reconfigure_io_chain =
omap3430_pre_es3_1_reconfigure_io_chain;
+ if (of_have_populated_dt()) {
+ struct device_node *np;
+ int irq_num;
+
+ np = of_find_matching_node(NULL, omap3_prm_dt_match_table);
+ if (np) {
+ irq_num = of_irq_get(np, 0);
+ if (irq_num >= 0)
+ omap3_prcm_irq_setup.irq = irq_num;
+ }
+ }
+
omap3xxx_prm_enable_io_wakeup();
ret = omap_prcm_register_chain_handler(&omap3_prcm_irq_setup);
if (!ret)