From 97c5a20ae68774b4c9246c4657be0d88317f103f Mon Sep 17 00:00:00 2001 From: Li Yang Date: Wed, 7 Feb 2007 13:49:24 +0800 Subject: [PATCH] [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 Signed-off-by: Kumar Gala --- arch/powerpc/sysdev/fsl_soc.c | 78 ++++++++++++++++++++++++++--------- 1 file 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);