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usb: gadget: atmel: Add DM_USB_GADGET support

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Add driver model support by using the uclass UCLASS_USB_GADGET_GENERIC.

Disable local usb_gadget_register_driver()/usb_gadget_unregister_driver()
implementation which is implemented in udc-core.c when DM_USB_GADGET
is enabled.

Replace dm_usb_gadget_handle_interrupts() with handle_interrupts ops
when DM_USB_GADGET is enabled.

Disable legacy struct usba_udc controller as controller point is extracted
from udevice private data with DM.

Disable legacy usba_udc_probe() to avoid conflict with DM when it's
enabled.

Compared to Linux driver only supported devices' DT bindings are included
(sorted as Linux driver)

Signed-off-by: Zixun LI <admin@hifiphile.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/20240725153204.358925-8-admin@hifiphile.com
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
This commit is contained in:
Zixun LI
2024-07-25 17:32:01 +02:00
committed by Mattijs Korpershoek
parent ef5e1d1f97
commit d6376f7ed8
3 changed files with 149 additions and 0 deletions
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2
include/linux/usb/atmel_usba_udc.h
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@@ -20,6 +20,8 @@ struct usba_platform_data {
struct usba_ep_data *ep;
};
#if !CONFIG_IS_ENABLED(DM_USB_GADGET)
extern int usba_udc_probe(struct usba_platform_data *pdata);
#endif
#endif /* __LINUX_USB_USBA_H */