diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index 76e8cda..80f44bb 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -465,7 +465,8 @@
 		goto out_iounmap;
 
 	port->bgc.gc.to_irq = mxc_gpio_to_irq;
-	port->bgc.gc.base = pdev->id * 32;
+	port->bgc.gc.base = (pdev->id < 0) ? of_alias_get_id(np, "gpio") * 32 :
+					     pdev->id * 32;
 
 	err = gpiochip_add(&port->bgc.gc);
 	if (err)