1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * da8xx-usb.h -- TI's DA8xx platform specific usb wrapper definitions.
4  *
5  * Author: Ajay Kumar Gupta <ajay.gupta@ti.com>
6  *
7  * Based on drivers/usb/musb/davinci.h
8  *
9  * Copyright (C) 2009 Texas Instruments Incorporated
10  */
11 #ifndef __DA8XX_MUSB_H__
12 #define __DA8XX_MUSB_H__
13 
14 #include <asm/arch/hardware.h>
15 #include <asm/arch/gpio.h>
16 
17 /* Base address of da8xx usb0 wrapper */
18 #define DA8XX_USB_OTG_BASE  0x01E00000
19 
20 /* Base address of da8xx musb core */
21 #define DA8XX_USB_OTG_CORE_BASE (DA8XX_USB_OTG_BASE + 0x400)
22 
23 /* Timeout for DA8xx usb module */
24 #define DA8XX_USB_OTG_TIMEOUT 0x3FFFFFF
25 
26 /*
27  * DA8xx platform USB wrapper register overlay.
28  */
29 struct da8xx_usb_regs {
30 	dv_reg	revision;
31 	dv_reg	control;
32 	dv_reg 	status;
33 	dv_reg 	emulation;
34 	dv_reg 	mode;
35 	dv_reg 	autoreq;
36 	dv_reg 	srpfixtime;
37 	dv_reg 	teardown;
38 	dv_reg 	intsrc;
39 	dv_reg 	intsrc_set;
40 	dv_reg 	intsrc_clr;
41 	dv_reg 	intmsk;
42 	dv_reg 	intmsk_set;
43 	dv_reg 	intmsk_clr;
44 	dv_reg 	intsrcmsk;
45 	dv_reg 	eoi;
46 	dv_reg 	intvector;
47 	dv_reg 	grndis_size[4];
48 };
49 
50 #define da8xx_usb_regs ((struct da8xx_usb_regs *)DA8XX_USB_OTG_BASE)
51 
52 /* DA8XX interrupt bits definitions */
53 #define DA8XX_USB_TX_ENDPTS_MASK  0x1f	/* ep0 + 4 tx */
54 #define DA8XX_USB_RX_ENDPTS_MASK  0x1e	/* 4 rx */
55 #define DA8XX_USB_TXINT_SHIFT	  0
56 #define DA8XX_USB_RXINT_SHIFT	  8
57 
58 #define DA8XX_USB_USBINT_MASK	  0x01ff0000	/* 8 Mentor, DRVVBUS */
59 #define DA8XX_USB_TXINT_MASK \
60 		(DA8XX_USB_TX_ENDPTS_MASK << DA8XX_USB_TXINT_SHIFT)
61 #define DA8XX_USB_RXINT_MASK \
62 		(DA8XX_USB_RX_ENDPTS_MASK << DA8XX_USB_RXINT_SHIFT)
63 
64 /* DA8xx CFGCHIP2 (USB 2.0 PHY Control) register bits */
65 #define CFGCHIP2_PHYCLKGD	(1 << 17)
66 #define CFGCHIP2_VBUSSENSE	(1 << 16)
67 #define CFGCHIP2_RESET		(1 << 15)
68 #define CFGCHIP2_OTGMODE	(3 << 13)
69 #define CFGCHIP2_NO_OVERRIDE	(0 << 13)
70 #define CFGCHIP2_FORCE_HOST	(1 << 13)
71 #define CFGCHIP2_FORCE_DEVICE 	(2 << 13)
72 #define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13)
73 #define CFGCHIP2_USB1PHYCLKMUX	(1 << 12)
74 #define CFGCHIP2_USB2PHYCLKMUX	(1 << 11)
75 #define CFGCHIP2_PHYPWRDN	(1 << 10)
76 #define CFGCHIP2_OTGPWRDN	(1 << 9)
77 #define CFGCHIP2_DATPOL 	(1 << 8)
78 #define CFGCHIP2_USB1SUSPENDM	(1 << 7)
79 #define CFGCHIP2_PHY_PLLON	(1 << 6)	/* override PLL suspend */
80 #define CFGCHIP2_SESENDEN	(1 << 5)	/* Vsess_end comparator */
81 #define CFGCHIP2_VBDTCTEN	(1 << 4)	/* Vbus comparator */
82 #define CFGCHIP2_REFFREQ	(0xf << 0)
83 #define CFGCHIP2_REFFREQ_12MHZ	(1 << 0)
84 #define CFGCHIP2_REFFREQ_24MHZ	(2 << 0)
85 #define CFGCHIP2_REFFREQ_48MHZ	(3 << 0)
86 
87 #define DA8XX_USB_VBUS_GPIO	(1 << 15)
88 
89 int usb_phy_on(void);
90 void usb_phy_off(void);
91 
92 #endif	/* __DA8XX_MUSB_H__ */
93