add platform_device for USB DR pheripheral driver

Add platform_device setup code for OTG/peripheral mode of 834x DR module. It is needed for USB client driver to work.

---
arch/powerpc/sysdev/fsl_soc.c | 76 +++++++++++++++++++++++++++++++----------

1 files changed, 58 insertions(+), 18 deletions(-)

index ad31e56..8e4837a 100644
@@ -440,7 +440,8 @@ static int __init fsl_usb_of_init(void)

{
	struct device_node *np;
	unsigned int i;
-	struct platform_device *usb_dev_mph = NULL, *usb_dev_dr = NULL;
+	struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
+		*usb_dev_dr_client = NULL;
	int ret;

	for (np = NULL, i = 0;

@@ -506,33 +507,72 @@ static int __init fsl_usb_of_init(void)

		of_irq_to_resource(np, 0, &r[1]);

- usb_dev_dr =
- platform_device_register_simple("fsl-ehci", i, r, 2);
- if (IS_ERR(usb_dev_dr)) {
- ret = PTR_ERR(usb_dev_dr);
+ prop = get_property(np, "dr_mode", NULL);
+
+ if (prop && !strcmp(prop, "host")) {
+ usb_data.operating_mode = FSL_USB2_DR_HOST;
+ usb_dev_dr_host = platform_device_register_simple(
+ "fsl-ehci", i, r, 2);
+ if (IS_ERR(usb_dev_dr_host)) {
+ ret = PTR_ERR(usb_dev_dr_host);
+ goto err;
+ }
+ } else if (prop && !strcmp(prop, "peripheral")) {
+ usb_data.operating_mode = FSL_USB2_DR_DEVICE;
+ usb_dev_dr_client = platform_device_register_simple(
+ "fsl-usb2-udc", i, r, 2);
+ if (IS_ERR(usb_dev_dr_client)) {
+ ret = PTR_ERR(usb_dev_dr_client);
+ goto err;
+ }
+ } else if (!prop || (prop && !strcmp(prop, "otg"))) {
+ usb_data.operating_mode = FSL_USB2_DR_OTG;
+ usb_dev_dr_host = platform_device_register_simple(
+ "fsl-ehci", i, r, 2);
+ if (IS_ERR(usb_dev_dr_host)) {
+ ret = PTR_ERR(usb_dev_dr_host);
+ goto err;
+ }
+ usb_dev_dr_client = platform_device_register_simple(
+ "fsl-usb2-udc", i, r, 2);
+ if (IS_ERR(usb_dev_dr_client)) {
+ ret = PTR_ERR(usb_dev_dr_client);
+ goto err;
+ }
+ } else {

+			ret = -EINVAL;
			goto err;
		}

- usb_dev_dr->dev.coherent_dma_mask = 0xffffffffUL;
- usb_dev_dr->dev.dma_mask = &usb_dev_dr->dev.coherent_dma_mask;
-
- usb_data.operating_mode = FSL_USB2_DR_HOST;
-

		prop = get_property(np, "phy_type", NULL);
		usb_data.phy_mode = determine_usb_phy(prop);

- ret =
- platform_device_add_data(usb_dev_dr, &usb_data,
- sizeof(struct
- fsl_usb2_platform_data));
- if (ret)
- goto unreg_dr;
+ if (usb_dev_dr_host) {
+ usb_dev_dr_host->dev.coherent_dma_mask = 0xffffffffUL;
+ usb_dev_dr_host->dev.dma_mask = &usb_dev_dr_host->
+ dev.coherent_dma_mask;
+ if ((ret = platform_device_add_data(usb_dev_dr_host,
+ &usb_data, sizeof(struct
+ fsl_usb2_platform_data))))
+ goto unreg_dr;
+ }
+ if (usb_dev_dr_client) {
+ usb_dev_dr_client->dev.coherent_dma_mask = 0xffffffffUL;
+ usb_dev_dr_client->dev.dma_mask = &usb_dev_dr_client->
+ dev.coherent_dma_mask;
+ if ((ret = platform_device_add_data(usb_dev_dr_client,
+ &usb_data, sizeof(struct
+ fsl_usb2_platform_data))))
+ goto unreg_dr;
+ }

	}
	return 0;

unreg_dr:
- if (usb_dev_dr)
- platform_device_unregister(usb_dev_dr);
+ if (usb_dev_dr_host)
+ platform_device_unregister(usb_dev_dr_host);
+ if (usb_dev_dr_client)
+ platform_device_unregister(usb_dev_dr_client);
unreg_mph:

	if (usb_dev_mph)
		platform_device_unregister(usb_dev_mph);