xref: /openbmc/u-boot/include/dwc3-uboot.h (revision d94604d5)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* include/dwc3-uboot.h
3  *
4  * Copyright (c) 2015 Texas Instruments Incorporated - http://www.ti.com
5  *
6  * Designware SuperSpeed USB uboot init
7  */
8 
9 #ifndef __DWC3_UBOOT_H_
10 #define __DWC3_UBOOT_H_
11 
12 #include <linux/usb/otg.h>
13 
14 struct dwc3_device {
15 	unsigned long base;
16 	enum usb_dr_mode dr_mode;
17 	u32 maximum_speed;
18 	unsigned tx_fifo_resize:1;
19 	unsigned has_lpm_erratum;
20 	u8 lpm_nyet_threshold;
21 	unsigned is_utmi_l1_suspend;
22 	u8 hird_threshold;
23 	unsigned disable_scramble_quirk;
24 	unsigned u2exit_lfps_quirk;
25 	unsigned u2ss_inp3_quirk;
26 	unsigned req_p1p2p3_quirk;
27 	unsigned del_p1p2p3_quirk;
28 	unsigned del_phy_power_chg_quirk;
29 	unsigned lfps_filter_quirk;
30 	unsigned rx_detect_poll_quirk;
31 	unsigned dis_u3_susphy_quirk;
32 	unsigned dis_u2_susphy_quirk;
33 	unsigned tx_de_emphasis_quirk;
34 	unsigned tx_de_emphasis;
35 	int index;
36 };
37 
38 int dwc3_uboot_init(struct dwc3_device *dev);
39 void dwc3_uboot_exit(int index);
40 void dwc3_uboot_handle_interrupt(int index);
41 
42 struct phy;
43 #if CONFIG_IS_ENABLED(PHY) && CONFIG_IS_ENABLED(DM_USB)
44 int dwc3_setup_phy(struct udevice *dev, struct phy **array, int *num_phys);
45 int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys, int num_phys);
46 #else
dwc3_setup_phy(struct udevice * dev,struct phy ** array,int * num_phys)47 static inline int dwc3_setup_phy(struct udevice *dev, struct phy **array,
48 				 int *num_phys)
49 {
50 	return -ENOTSUPP;
51 }
52 
dwc3_shutdown_phy(struct udevice * dev,struct phy * usb_phys,int num_phys)53 static inline int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys,
54 				    int num_phys)
55 {
56 	return -ENOTSUPP;
57 }
58 #endif
59 
60 #endif /* __DWC3_UBOOT_H_ */
61