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usb: Add Cadence USB3 host and gadget driver

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Add support for USB3 host and gadget driver. This is a direct sync of
Linux kernel Cadence USB stack that from v5.4-rc1 release.
Driver has been modified so that it compiles without errors against
U-Boot code base.
Features not required for U-Boot such as scatter-gather DMA and OTG
interrupt handling has been dropped.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
[jjhiblot@ti.com: Add PHY support]
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Vignesh Raghavendra
2019-10-01 17:26:33 +05:30
committed by Marek Vasut
parent 8d94e184ff
commit 7e91f6ccdc
18 changed files with 6433 additions and 0 deletions
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28
drivers/usb/cdns3/host-export.h Normal file
View File

@@ -0,0 +1,28 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Cadence USBSS DRD Driver - Host Export APIs
*
* Copyright (C) 2017-2018 NXP
*
* Authors: Peter Chen <peter.chen@nxp.com>
*/
#ifndef __LINUX_CDNS3_HOST_EXPORT
#define __LINUX_CDNS3_HOST_EXPORT
#ifdef CONFIG_USB_CDNS3_HOST
int cdns3_host_init(struct cdns3 *cdns);
void cdns3_host_exit(struct cdns3 *cdns);
#else
static inline int cdns3_host_init(struct cdns3 *cdns)
{
return -ENXIO;
}
static inline void cdns3_host_exit(struct cdns3 *cdns) { }
#endif /* CONFIG_USB_CDNS3_HOST */
#endif /* __LINUX_CDNS3_HOST_EXPORT */