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Index: linux-2.6.31/arch/powerpc/platforms/83xx/mpc831x_rdb.c
===================================================================
--- linux-2.6.31.orig/arch/powerpc/platforms/83xx/mpc831x_rdb.c 2009-10-29 16:31:14.000000000 +0100
+++ linux-2.6.31/arch/powerpc/platforms/83xx/mpc831x_rdb.c 2009-10-29 17:23:51.000000000 +0100
@@ -13,6 +13,7 @@
* option) any later version.
*/
+#include <linux/gpio.h>
#include <linux/pci.h>
#include <linux/of_platform.h>
@@ -20,6 +21,7 @@
#include <asm/ipic.h>
#include <asm/udbg.h>
#include <sysdev/fsl_pci.h>
+#include <sysdev/simple_gpio.h>
#include "mpc83xx.h"
@@ -79,7 +81,22 @@
static int __init declare_of_platform_devices(void)
{
+ struct device_node *np;
+
+ /* declare memory-mapped IO extender */
+ simple_gpiochip_init("fsl,mpc8313-exio");
+
of_platform_bus_probe(NULL, of_bus_ids, NULL);
+
+ /* activate USB, RFID and touch board */
+ np = of_find_compatible_node(NULL, NULL, "fsl,mpc8313-exio");
+ if (np)
+ {
+ gpio_direction_output(217, 1); // EXIO1 : USB
+ gpio_direction_output(219, 1); // EXIO3 : RFID
+ gpio_direction_output(220, 1); // EXIO4 : Touch board
+ of_node_put(np);
+ }
return 0;
}
machine_device_initcall(mpc831x_rdb, declare_of_platform_devices);
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