]> Pileus Git - ~andy/linux/blob - include/linux/usb/omap_control_usb.h
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
[~andy/linux] / include / linux / usb / omap_control_usb.h
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 enum omap_control_usb_type {
23         OMAP_CTRL_TYPE_OTGHS = 1,       /* Mailbox OTGHS_CONTROL */
24         OMAP_CTRL_TYPE_USB2,    /* USB2_PHY, power down in CONTROL_DEV_CONF */
25         OMAP_CTRL_TYPE_PIPE3,   /* PIPE3 PHY, DPLL & seperate Rx/Tx power */
26         OMAP_CTRL_TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
27         OMAP_CTRL_TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
28 };
29
30 struct omap_control_usb {
31         struct device *dev;
32
33         u32 __iomem *otghs_control;
34         u32 __iomem *power;
35         u32 __iomem *power_aux;
36
37         struct clk *sys_clk;
38
39         enum omap_control_usb_type type;
40 };
41
42 enum omap_control_usb_mode {
43         USB_MODE_UNDEFINED = 0,
44         USB_MODE_HOST,
45         USB_MODE_DEVICE,
46         USB_MODE_DISCONNECT,
47 };
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 #define OMAP_CTRL_USB2_PHY_PD           BIT(28)
67
68 #define AM437X_CTRL_USB2_PHY_PD         BIT(0)
69 #define AM437X_CTRL_USB2_OTG_PD         BIT(1)
70 #define AM437X_CTRL_USB2_OTGVDET_EN     BIT(19)
71 #define AM437X_CTRL_USB2_OTGSESSEND_EN  BIT(20)
72
73 #if IS_ENABLED(CONFIG_OMAP_CONTROL_USB)
74 extern void omap_control_usb_phy_power(struct device *dev, int on);
75 extern void omap_control_usb_set_mode(struct device *dev,
76         enum omap_control_usb_mode mode);
77 #else
78
79 static inline void omap_control_usb_phy_power(struct device *dev, int on)
80 {
81 }
82
83 static inline void omap_control_usb_set_mode(struct device *dev,
84         enum omap_control_usb_mode mode)
85 {
86 }
87 #endif
88
89 #endif  /* __OMAP_CONTROL_USB_H__ */