diff options
| author | Mugunthan V N <mugunthanvnm@ti.com> | 2018-05-18 13:15:04 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2018-05-18 13:23:10 +0200 |
| commit | 23ba2d6372e45479106922c6241a7a09707bbe08 (patch) | |
| tree | adcd0f130d98ec85c3cc090a1193bedea0c29632 /drivers/usb/dwc3 | |
| parent | 3b29121678241078ce08120e18108898ff3b7abd (diff) | |
usb: dwc3: Add dwc3_init/remove with DM_USB
The patch is preparing dwc3 core for enabling DM_USB with peripheral
driver with using driver model support.
The driver will be bound by the DWC3 wrapper driver based on the
dr_mode device tree entry.
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
(Remove dwc3-omap changes)
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 55 | ||||
| -rw-r--r-- | drivers/usb/dwc3/core.h | 6 | ||||
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 2 |
3 files changed, 62 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 7a91015048..7cf0564b2b 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -785,3 +785,58 @@ MODULE_ALIAS("platform:dwc3"); MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("DesignWare USB3 DRD Controller Driver"); + +#ifdef CONFIG_DM_USB + +int dwc3_init(struct dwc3 *dwc) +{ + int ret; + + dwc3_cache_hwparams(dwc); + + ret = dwc3_alloc_event_buffers(dwc, DWC3_EVENT_BUFFERS_SIZE); + if (ret) { + dev_err(dwc->dev, "failed to allocate event buffers\n"); + return -ENOMEM; + } + + ret = dwc3_core_init(dwc); + if (ret) { + dev_err(dev, "failed to initialize core\n"); + goto core_fail; + } + + ret = dwc3_event_buffers_setup(dwc); + if (ret) { + dev_err(dwc->dev, "failed to setup event buffers\n"); + goto event_fail; + } + + ret = dwc3_core_init_mode(dwc); + if (ret) + goto mode_fail; + + return 0; + +mode_fail: + dwc3_event_buffers_cleanup(dwc); + +event_fail: + dwc3_core_exit(dwc); + +core_fail: + dwc3_free_event_buffers(dwc); + + return ret; +} + +void dwc3_remove(struct dwc3 *dwc) +{ + dwc3_core_exit_mode(dwc); + dwc3_event_buffers_cleanup(dwc); + dwc3_free_event_buffers(dwc); + dwc3_core_exit(dwc); + kfree(dwc->mem); +} + +#endif diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index cbe9850a0b..58fe91dc51 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -712,7 +712,11 @@ struct dwc3 { /* device lock */ spinlock_t lock; +#if defined(__UBOOT__) && defined(CONFIG_DM_USB) + struct udevice *dev; +#else struct device *dev; +#endif struct platform_device *xhci; struct resource xhci_resources[DWC3_XHCI_RESOURCES_NUM]; @@ -987,6 +991,8 @@ struct dwc3_gadget_ep_cmd_params { /* prototypes */ int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc); +int dwc3_init(struct dwc3 *dwc); +void dwc3_remove(struct dwc3 *dwc); #ifdef CONFIG_USB_DWC3_HOST int dwc3_host_init(struct dwc3 *dwc); diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index d45fae044c..e340cb268f 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2609,7 +2609,7 @@ int dwc3_gadget_init(struct dwc3 *dwc) if (ret) goto err4; - ret = usb_add_gadget_udc(dwc->dev, &dwc->gadget); + ret = usb_add_gadget_udc((struct device *)dwc->dev, &dwc->gadget); if (ret) { dev_err(dwc->dev, "failed to register udc\n"); goto err4; |