text: /* SPDX-License-Identifier: GPL-2.0 */
  #ifndef __MACH_IMX_EHCI_H
  #define __MACH_IMX_EHCI_H
  
  /* values for portsc field */
  #define MXC_EHCI_PHY_LOW_POWER_SUSPEND	(1 << 23)
  #define MXC_EHCI_FORCE_FS		(1 << 24)
  #define MXC_EHCI_UTMI_8BIT		(0 << 28)
  #define MXC_EHCI_UTMI_16BIT		(1 << 28)
  #define MXC_EHCI_SERIAL			(1 << 29)
  #define MXC_EHCI_MODE_UTMI		(0 << 30)
  #define MXC_EHCI_MODE_PHILIPS		(1 << 30)
  #define MXC_EHCI_MODE_ULPI		(2 << 30)
  #define MXC_EHCI_MODE_SERIAL		(3 << 30)
  
  /* values for flags field */
  #define MXC_EHCI_INTERFACE_DIFF_UNI	(0 << 0)
  #define MXC_EHCI_INTERFACE_DIFF_BI	(1 << 0)
  #define MXC_EHCI_INTERFACE_SINGLE_UNI	(2 << 0)
  #define MXC_EHCI_INTERFACE_SINGLE_BI	(3 << 0)
  #define MXC_EHCI_INTERFACE_MASK		(0xf)
  
  #define MXC_EHCI_POWER_PINS_ENABLED	(1 << 5)
  #define MXC_EHCI_PWR_PIN_ACTIVE_HIGH	(1 << 6)
  #define MXC_EHCI_OC_PIN_ACTIVE_LOW	(1 << 7)
  #define MXC_EHCI_TTL_ENABLED		(1 << 8)
  
  #define MXC_EHCI_INTERNAL_PHY		(1 << 9)
  #define MXC_EHCI_IPPUE_DOWN		(1 << 10)
  #define MXC_EHCI_IPPUE_UP		(1 << 11)
  #define MXC_EHCI_WAKEUP_ENABLED		(1 << 12)
  #define MXC_EHCI_ITC_NO_THRESHOLD	(1 << 13)
  
  #define MXC_USBCTRL_OFFSET		0
  #define MXC_USB_PHY_CTR_FUNC_OFFSET	0x8
  #define MXC_USB_PHY_CTR_FUNC2_OFFSET	0xc
  #define MXC_USBH2CTRL_OFFSET		0x14
  
  int mx25_initialize_usb_hw(int port, unsigned int flags);
  int mx31_initialize_usb_hw(int port, unsigned int flags);
  int mx35_initialize_usb_hw(int port, unsigned int flags);
  int mx27_initialize_usb_hw(int port, unsigned int flags);
  
  #endif /* __MACH_IMX_EHCI_H */
  