1 /*
2  * da8xx-usb.h -- TI's DA8xx platform specific usb wrapper definitions.
3  *
4  * Author: Ajay Kumar Gupta <ajay.gupta@ti.com>
5  *
6  * Based on drivers/usb/musb/davinci.h
7  *
8  * Copyright (C) 2009 Texas Instruments Incorporated
9  *
10  * SPDX-License-Identifier:	GPL-2.0+
11  */
12 #ifndef __DA8XX_MUSB_H__
13 #define __DA8XX_MUSB_H__
14 
15 #include <asm/arch/hardware.h>
16 #include <asm/arch/gpio.h>
17 
18 /* Base address of da8xx usb0 wrapper */
19 #define DA8XX_USB_OTG_BASE  0x01E00000
20 
21 /* Base address of da8xx musb core */
22 #define DA8XX_USB_OTG_CORE_BASE (DA8XX_USB_OTG_BASE + 0x400)
23 
24 /* Timeout for DA8xx usb module */
25 #define DA8XX_USB_OTG_TIMEOUT 0x3FFFFFF
26 
27 /*
28  * DA8xx platform USB wrapper register overlay.
29  */
30 struct da8xx_usb_regs {
31 	dv_reg	revision;
32 	dv_reg	control;
33 	dv_reg 	status;
34 	dv_reg 	emulation;
35 	dv_reg 	mode;
36 	dv_reg 	autoreq;
37 	dv_reg 	srpfixtime;
38 	dv_reg 	teardown;
39 	dv_reg 	intsrc;
40 	dv_reg 	intsrc_set;
41 	dv_reg 	intsrc_clr;
42 	dv_reg 	intmsk;
43 	dv_reg 	intmsk_set;
44 	dv_reg 	intmsk_clr;
45 	dv_reg 	intsrcmsk;
46 	dv_reg 	eoi;
47 	dv_reg 	intvector;
48 	dv_reg 	grndis_size[4];
49 };
50 
51 #define da8xx_usb_regs ((struct da8xx_usb_regs *)DA8XX_USB_OTG_BASE)
52 
53 /* DA8XX interrupt bits definitions */
54 #define DA8XX_USB_TX_ENDPTS_MASK  0x1f	/* ep0 + 4 tx */
55 #define DA8XX_USB_RX_ENDPTS_MASK  0x1e	/* 4 rx */
56 #define DA8XX_USB_TXINT_SHIFT	  0
57 #define DA8XX_USB_RXINT_SHIFT	  8
58 
59 #define DA8XX_USB_USBINT_MASK	  0x01ff0000	/* 8 Mentor, DRVVBUS */
60 #define DA8XX_USB_TXINT_MASK \
61 		(DA8XX_USB_TX_ENDPTS_MASK << DA8XX_USB_TXINT_SHIFT)
62 #define DA8XX_USB_RXINT_MASK \
63 		(DA8XX_USB_RX_ENDPTS_MASK << DA8XX_USB_RXINT_SHIFT)
64 
65 /* DA8xx CFGCHIP2 (USB 2.0 PHY Control) register bits */
66 #define CFGCHIP2_PHYCLKGD	(1 << 17)
67 #define CFGCHIP2_VBUSSENSE	(1 << 16)
68 #define CFGCHIP2_RESET		(1 << 15)
69 #define CFGCHIP2_OTGMODE	(3 << 13)
70 #define CFGCHIP2_NO_OVERRIDE	(0 << 13)
71 #define CFGCHIP2_FORCE_HOST	(1 << 13)
72 #define CFGCHIP2_FORCE_DEVICE 	(2 << 13)
73 #define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13)
74 #define CFGCHIP2_USB1PHYCLKMUX	(1 << 12)
75 #define CFGCHIP2_USB2PHYCLKMUX	(1 << 11)
76 #define CFGCHIP2_PHYPWRDN	(1 << 10)
77 #define CFGCHIP2_OTGPWRDN	(1 << 9)
78 #define CFGCHIP2_DATPOL 	(1 << 8)
79 #define CFGCHIP2_USB1SUSPENDM	(1 << 7)
80 #define CFGCHIP2_PHY_PLLON	(1 << 6)	/* override PLL suspend */
81 #define CFGCHIP2_SESENDEN	(1 << 5)	/* Vsess_end comparator */
82 #define CFGCHIP2_VBDTCTEN	(1 << 4)	/* Vbus comparator */
83 #define CFGCHIP2_REFFREQ	(0xf << 0)
84 #define CFGCHIP2_REFFREQ_12MHZ	(1 << 0)
85 #define CFGCHIP2_REFFREQ_24MHZ	(2 << 0)
86 #define CFGCHIP2_REFFREQ_48MHZ	(3 << 0)
87 
88 #define DA8XX_USB_VBUS_GPIO	(1 << 15)
89 
90 int usb_phy_on(void);
91 void usb_phy_off(void);
92 
93 #endif	/* __DA8XX_MUSB_H__ */
94