diff --git a/src/device/pnp_device.c b/src/device/pnp_device.c
index da691f8efe..46e5f52aa8 100644
--- a/src/device/pnp_device.c
+++ b/src/device/pnp_device.c
@@ -269,6 +269,11 @@ static void get_resources(device_t dev, struct pnp_info *info)
 		resource->size = 1;
 		resource->flags |= IORESOURCE_IRQ;
 	}
+	if (info->flags & PNP_MSC10) {
+		resource = new_resource(dev, PNP_IDX_MSC10);
+		resource->size = 1;
+		resource->flags |= IORESOURCE_IRQ;
+	}
 }
 
 void pnp_enable_devices(device_t base_dev, struct device_operations *ops,
diff --git a/src/include/device/pnp.h b/src/include/device/pnp.h
index f97b05dad0..01c16cd326 100644
--- a/src/include/device/pnp.h
+++ b/src/include/device/pnp.h
@@ -45,6 +45,7 @@ struct pnp_info {
 #define PNP_EN   0x100
 #define PNP_MSC0 0x200
 #define PNP_MSC1 0x400
+#define PNP_MSC10 0x800
 	struct io_info io0, io1, io2, io3;
 };
 struct resource *pnp_get_resource(device_t dev, unsigned index);
diff --git a/src/include/device/pnp_def.h b/src/include/device/pnp_def.h
index 91ec8f2e61..3258354f5d 100644
--- a/src/include/device/pnp_def.h
+++ b/src/include/device/pnp_def.h
@@ -12,5 +12,6 @@
 #define PNP_IDX_DRQ1 0x75
 #define PNP_IDX_MSC0 0xf0
 #define PNP_IDX_MSC1 0xf1
+#define PNP_IDX_MSC10 0xfa
 
 #endif /* DEVICE_PNP_DEF_H */
diff --git a/src/superio/ite/it8772f/superio.c b/src/superio/ite/it8772f/superio.c
index b4b54e9dc3..3d09f12e54 100644
--- a/src/superio/ite/it8772f/superio.c
+++ b/src/superio/ite/it8772f/superio.c
@@ -224,7 +224,7 @@ static struct pnp_info pnp_dev_info[] = {
 	/* Serial Port 1 */
 	{ &ops, IT8772F_SP1, PNP_IO0 | PNP_IRQ0, {0x0ff8, 0}, },
 	/* Environmental Controller */
-	{ &ops, IT8772F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0,
+	{ &ops, IT8772F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_MSC10,
 	  {0x0ff8, 0}, {0x0ffc, 4}, },
 	/* KBC Keyboard */
 	{ &ops, IT8772F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0,