diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 1f08704f7ae8..ae67612317a8 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -744,6 +744,39 @@ static struct resource __devinitdata ab8500_usb_resources[] = {
 	},
 };
 
+static struct resource __devinitdata ab8505_iddet_resources[] = {
+	{
+		.name  = "KeyDeglitch",
+		.start = AB8505_INT_KEYDEGLITCH,
+		.end   = AB8505_INT_KEYDEGLITCH,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name  = "KP",
+		.start = AB8505_INT_KP,
+		.end   = AB8505_INT_KP,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name  = "IKP",
+		.start = AB8505_INT_IKP,
+		.end   = AB8505_INT_IKP,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name  = "IKR",
+		.start = AB8505_INT_IKR,
+		.end   = AB8505_INT_IKR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.name  = "KeyStuck",
+		.start = AB8505_INT_KEYSTUCK,
+		.end   = AB8505_INT_KEYSTUCK,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
 static struct resource __devinitdata ab8500_temp_resources[] = {
 	{
 		.name  = "AB8500_TEMP_WARM",
@@ -802,10 +835,6 @@ static struct mfd_cell __devinitdata abx500_common_devs[] = {
 		.num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
 		.resources = ab8500_av_acc_detect_resources,
 	},
-	{
-		.name = "ab8500-codec",
-	},
-
 	{
 		.name = "ab8500-poweron-key",
 		.num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
@@ -845,6 +874,9 @@ static struct mfd_cell __devinitdata ab8500_devs[] = {
 		.num_resources = ARRAY_SIZE(ab8500_usb_resources),
 		.resources = ab8500_usb_resources,
 	},
+	{
+		.name = "ab8500-codec",
+	},
 };
 
 static struct mfd_cell __devinitdata ab9540_devs[] = {
@@ -858,6 +890,18 @@ static struct mfd_cell __devinitdata ab9540_devs[] = {
 		.num_resources = ARRAY_SIZE(ab8500_usb_resources),
 		.resources = ab8500_usb_resources,
 	},
+	{
+		.name = "ab9540-codec",
+	},
+};
+
+/* Device list common to ab9540 and ab8505 */
+static struct mfd_cell __devinitdata ab9540_ab8505_devs[] = {
+	{
+		.name = "ab-iddet",
+		.num_resources = ARRAY_SIZE(ab8505_iddet_resources),
+		.resources = ab8505_iddet_resources,
+	},
 };
 
 static ssize_t show_chip_id(struct device *dev,
@@ -1125,8 +1169,14 @@ int __devinit ab8500_init(struct ab8500 *ab8500, enum ab8500_version version)
 			      ab8500->irq_base);
 	else
 		ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
-			      ARRAY_SIZE(ab9540_devs), NULL,
+			      ARRAY_SIZE(ab8500_devs), NULL,
 			      ab8500->irq_base);
+
+	if (is_ab9540(ab8500) || is_ab8505(ab8500))
+		ret = mfd_add_devices(ab8500->dev, 0, ab9540_ab8505_devs,
+			      ARRAY_SIZE(ab9540_ab8505_devs), NULL,
+			      ab8500->irq_base);
+
 	if (ret)
 		goto out_freeirq;
 
diff --git a/include/linux/mfd/abx500/ab8500.h b/include/linux/mfd/abx500/ab8500.h
index fccc3002f271..d798f5b6a55f 100644
--- a/include/linux/mfd/abx500/ab8500.h
+++ b/include/linux/mfd/abx500/ab8500.h
@@ -194,6 +194,14 @@ enum ab8500_version {
 #define AB9540_INT_GPIO52F		123
 #define AB9540_INT_GPIO53F		124
 #define AB9540_INT_GPIO54F		125 /* not 8505 */
+/* ab8500_irq_regoffset[16] -> IT[Source|Latch|Mask]25 */
+#define AB8505_INT_KEYSTUCK		128
+#define AB8505_INT_IKR			129
+#define AB8505_INT_IKP			130
+#define AB8505_INT_KP			131
+#define AB8505_INT_KEYDEGLITCH		132
+#define AB8505_INT_MODPWRSTATUSF	134
+#define AB8505_INT_MODPWRSTATUSR	135
 
 /*
  * AB8500_AB9540_NR_IRQS is used when configuring the IRQ numbers for the
@@ -203,8 +211,8 @@ enum ab8500_version {
  * which is larger.
  */
 #define AB8500_NR_IRQS			112
-#define AB8505_NR_IRQS			128
-#define AB9540_NR_IRQS			128
+#define AB8505_NR_IRQS			136
+#define AB9540_NR_IRQS			136
 /* This is set to the roof of any AB8500 chip variant IRQ counts */
 #define AB8500_MAX_NR_IRQS		AB9540_NR_IRQS