arm/dts: OMAP4: Add gpio nodes

Add the 6 GPIOs controller nodes present in OMAP4.

Remove gpio static device initialisation if DT is populated.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 6 insertions, 2 deletions

diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c
index 8cbfbc2918ce..8412746bad71 100644
--- a/arch/arm/mach-omap2/gpio.c
+++ b/arch/arm/mach-omap2/gpio.c
@@ -20,6 +20,7 @@
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
+#include <linux/of.h>
 
 #include <plat/omap_hwmod.h>
 #include <plat/omap_device.h>
@@ -122,7 +123,10 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
  */
 static int __init omap2_gpio_init(void)
 {
-        return omap_hwmod_for_each_by_class("gpio", omap2_gpio_dev_init,
-                                                NULL);
+        /* If dtb is there, the devices will be created dynamically */
+        if (of_have_populated_dt())
+                return -ENODEV;
+
+        return omap_hwmod_for_each_by_class("gpio", omap2_gpio_dev_init, NULL);
 }
 postcore_initcall(omap2_gpio_init);