1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __MACH_IMX_EHCI_H
3 #define __MACH_IMX_EHCI_H
4 
5 /* values for portsc field */
6 #define MXC_EHCI_PHY_LOW_POWER_SUSPEND	(1 << 23)
7 #define MXC_EHCI_FORCE_FS		(1 << 24)
8 #define MXC_EHCI_UTMI_8BIT		(0 << 28)
9 #define MXC_EHCI_UTMI_16BIT		(1 << 28)
10 #define MXC_EHCI_SERIAL			(1 << 29)
11 #define MXC_EHCI_MODE_UTMI		(0 << 30)
12 #define MXC_EHCI_MODE_PHILIPS		(1 << 30)
13 #define MXC_EHCI_MODE_ULPI		(2 << 30)
14 #define MXC_EHCI_MODE_SERIAL		(3 << 30)
15 
16 /* values for flags field */
17 #define MXC_EHCI_INTERFACE_DIFF_UNI	(0 << 0)
18 #define MXC_EHCI_INTERFACE_DIFF_BI	(1 << 0)
19 #define MXC_EHCI_INTERFACE_SINGLE_UNI	(2 << 0)
20 #define MXC_EHCI_INTERFACE_SINGLE_BI	(3 << 0)
21 #define MXC_EHCI_INTERFACE_MASK		(0xf)
22 
23 #define MXC_EHCI_POWER_PINS_ENABLED	(1 << 5)
24 #define MXC_EHCI_PWR_PIN_ACTIVE_HIGH	(1 << 6)
25 #define MXC_EHCI_OC_PIN_ACTIVE_LOW	(1 << 7)
26 #define MXC_EHCI_TTL_ENABLED		(1 << 8)
27 
28 #define MXC_EHCI_INTERNAL_PHY		(1 << 9)
29 #define MXC_EHCI_IPPUE_DOWN		(1 << 10)
30 #define MXC_EHCI_IPPUE_UP		(1 << 11)
31 #define MXC_EHCI_WAKEUP_ENABLED		(1 << 12)
32 #define MXC_EHCI_ITC_NO_THRESHOLD	(1 << 13)
33 
34 #define MXC_USBCTRL_OFFSET		0
35 #define MXC_USB_PHY_CTR_FUNC_OFFSET	0x8
36 #define MXC_USB_PHY_CTR_FUNC2_OFFSET	0xc
37 #define MXC_USBH2CTRL_OFFSET		0x14
38 
39 int mx25_initialize_usb_hw(int port, unsigned int flags);
40 int mx31_initialize_usb_hw(int port, unsigned int flags);
41 int mx35_initialize_usb_hw(int port, unsigned int flags);
42 int mx27_initialize_usb_hw(int port, unsigned int flags);
43 
44 #endif /* __MACH_IMX_EHCI_H */
45