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 <generic-phy.h>
13 #include <linux/usb/otg.h>
14 #include <linux/usb/phy.h>
15 
16 struct dwc3_device {
17 	unsigned long base;
18 	enum usb_dr_mode dr_mode;
19 	enum usb_phy_interface hsphy_mode;
20 	u32 maximum_speed;
21 	unsigned tx_fifo_resize:1;
22 	unsigned has_lpm_erratum;
23 	u8 lpm_nyet_threshold;
24 	unsigned is_utmi_l1_suspend;
25 	u8 hird_threshold;
26 	unsigned disable_scramble_quirk;
27 	unsigned u2exit_lfps_quirk;
28 	unsigned u2ss_inp3_quirk;
29 	unsigned req_p1p2p3_quirk;
30 	unsigned del_p1p2p3_quirk;
31 	unsigned del_phy_power_chg_quirk;
32 	unsigned lfps_filter_quirk;
33 	unsigned rx_detect_poll_quirk;
34 	unsigned dis_u3_susphy_quirk;
35 	unsigned dis_u2_susphy_quirk;
36 	unsigned dis_del_phy_power_chg_quirk;
37 	unsigned dis_tx_ipgap_linecheck_quirk;
38 	unsigned dis_enblslpm_quirk;
39 	unsigned dis_u2_freeclk_exists_quirk;
40 	unsigned tx_de_emphasis_quirk;
41 	unsigned tx_de_emphasis;
42 	int index;
43 };
44 
45 int dwc3_uboot_init(struct dwc3_device *dev);
46 void dwc3_uboot_exit(int index);
47 void dwc3_uboot_handle_interrupt(int index);
48 
49 struct phy;
50 #if CONFIG_IS_ENABLED(PHY) && CONFIG_IS_ENABLED(DM_USB)
51 int dwc3_setup_phy(struct udevice *dev, struct phy_bulk *phys);
52 int dwc3_shutdown_phy(struct udevice *dev, struct phy_bulk *phys);
53 #else
dwc3_setup_phy(struct udevice * dev,struct phy_bulk * phys)54 static inline int dwc3_setup_phy(struct udevice *dev, struct phy_bulk *phys)
55 {
56 	return -ENOTSUPP;
57 }
58 
dwc3_shutdown_phy(struct udevice * dev,struct phy_bulk * phys)59 static inline int dwc3_shutdown_phy(struct udevice *dev, struct phy_bulk *phys)
60 {
61 	return -ENOTSUPP;
62 }
63 #endif
64 
65 #endif /* __DWC3_UBOOT_H_ */
66