diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c
index 3e95090..5ad42f3 100644
--- a/drivers/pwm/pwm-omap-dmtimer.c
+++ b/drivers/pwm/pwm-omap-dmtimer.c
@@ -245,7 +245,7 @@
 	struct pwm_omap_dmtimer_chip *omap;
 	struct pwm_omap_dmtimer_pdata *pdata;
 	pwm_omap_dmtimer *dm_timer;
-	u32 prescaler;
+	u32 v;
 	int status;
 
 	pdata = dev_get_platdata(&pdev->dev);
@@ -306,10 +306,12 @@
 	if (pm_runtime_active(&omap->dm_timer_pdev->dev))
 		omap->pdata->stop(omap->dm_timer);
 
-	/* setup dmtimer prescaler */
-	if (!of_property_read_u32(pdev->dev.of_node, "ti,prescaler",
-				&prescaler))
-		omap->pdata->set_prescaler(omap->dm_timer, prescaler);
+	if (!of_property_read_u32(pdev->dev.of_node, "ti,prescaler", &v))
+		omap->pdata->set_prescaler(omap->dm_timer, v);
+
+	/* setup dmtimer clock source */
+	if (!of_property_read_u32(pdev->dev.of_node, "ti,clock-source", &v))
+		omap->pdata->set_source(omap->dm_timer, v);
 
 	omap->chip.dev = &pdev->dev;
 	omap->chip.ops = &pwm_omap_dmtimer_ops;