include/dwc3-uboot.h

   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
  54 static inline int dwc3_setup_phy(struct udevice *dev, struct phy_bulk *phys)
  55 {
  56         return -ENOTSUPP;
  57 }
  58
  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_ */