1 /*
2 * omap_control_usb.h - Header file for the USB part of control module.
3 *
4 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * Author: Kishon Vijay Abraham I <kishon@ti.com>
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 */
18
19 #ifndef __OMAP_CONTROL_USB_H__
20 #define __OMAP_CONTROL_USB_H__
21
22 struct omap_control_usb {
23 struct device *dev;
24
25 u32 __iomem *dev_conf;
26 u32 __iomem *otghs_control;
27 u32 __iomem *phy_power;
28
29 struct clk *sys_clk;
30
31 u32 type;
32 };
33
34 struct omap_control_usb_platform_data {
35 u8 type;
36 };
37
38 enum omap_control_usb_mode {
39 USB_MODE_UNDEFINED = 0,
40 USB_MODE_HOST,
41 USB_MODE_DEVICE,
42 USB_MODE_DISCONNECT,
43 };
44
45 /* To differentiate ctrl module IP having either mailbox or USB3 PHY power */
46 #define OMAP_CTRL_DEV_TYPE1 0x1
47 #define OMAP_CTRL_DEV_TYPE2 0x2
48
49 #define OMAP_CTRL_DEV_PHY_PD BIT(0)
50
51 #define OMAP_CTRL_DEV_AVALID BIT(0)
52 #define OMAP_CTRL_DEV_BVALID BIT(1)
53 #define OMAP_CTRL_DEV_VBUSVALID BIT(2)
54 #define OMAP_CTRL_DEV_SESSEND BIT(3)
55 #define OMAP_CTRL_DEV_IDDIG BIT(4)
56
57 #define OMAP_CTRL_USB_PWRCTL_CLK_CMD_MASK 0x003FC000
58 #define OMAP_CTRL_USB_PWRCTL_CLK_CMD_SHIFT 0xE
59
60 #define OMAP_CTRL_USB_PWRCTL_CLK_FREQ_MASK 0xFFC00000
61 #define OMAP_CTRL_USB_PWRCTL_CLK_FREQ_SHIFT 0x16
62
63 #define OMAP_CTRL_USB3_PHY_TX_RX_POWERON 0x3
64 #define OMAP_CTRL_USB3_PHY_TX_RX_POWEROFF 0x0
65
66 #if IS_ENABLED(CONFIG_OMAP_CONTROL_USB)
67 extern struct device *omap_get_control_dev(void);
68 extern void omap_control_usb_phy_power(struct device *dev, int on);
69 extern void omap_control_usb3_phy_power(struct device *dev, bool on);
70 extern void omap_control_usb_set_mode(struct device *dev,
71 enum omap_control_usb_mode mode);
72 #else
omap_get_control_dev(void)73 static inline struct device *omap_get_control_dev(void)
74 {
75 return ERR_PTR(-ENODEV);
76 }
77
omap_control_usb_phy_power(struct device * dev,int on)78 static inline void omap_control_usb_phy_power(struct device *dev, int on)
79 {
80 }
81
omap_control_usb3_phy_power(struct device * dev,int on)82 static inline void omap_control_usb3_phy_power(struct device *dev, int on)
83 {
84 }
85
omap_control_usb_set_mode(struct device * dev,enum omap_control_usb_mode mode)86 static inline void omap_control_usb_set_mode(struct device *dev,
87 enum omap_control_usb_mode mode)
88 {
89 }
90 #endif
91
92 #endif /* __OMAP_CONTROL_USB_H__ */
93