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authorLi Yang <leoli@freescale.com>2007-02-07 13:49:24 +0800
committerKumar Gala <galak@kernel.crashing.org>2007-02-08 00:41:05 -0600
commit97c5a20ae68774b4c9246c4657be0d88317f103f (patch)
tree2cf9933f1753532db609dc4a27477a83bbe72366 /arch
parentc161698287f501e7ea229672383af7aefe8a2056 (diff)
downloadblackbird-op-linux-97c5a20ae68774b4c9246c4657be0d88317f103f.tar.gz
blackbird-op-linux-97c5a20ae68774b4c9246c4657be0d88317f103f.zip
[POWERPC] 83xx: Add platform_device for USB DR peripheral driver
Add platform_device setup code for OTG/peripheral mode of 834x DR module. It is needed for USB client driver to work. Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/sysdev/fsl_soc.c78
1 files changed, 59 insertions, 19 deletions
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 9f2a9a444bfb..34161bc5a02f 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -441,7 +441,8 @@ 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;
@@ -507,33 +508,72 @@ 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 && !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);
@@ -699,7 +739,7 @@ static int __init fs_enet_of_init(void)
if (ret)
goto unreg;
}
-
+
of_node_put(phy);
of_node_put(mdio);
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