tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
22enum 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
30struct 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
42enum 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)
74extern void omap_control_usb_phy_power(struct device *dev, int on);
75extern void omap_control_usb_set_mode(struct device *dev,
76 enum omap_control_usb_mode mode);
77#else
78
79static inline void omap_control_usb_phy_power(struct device *dev, int on)
80{
81}
82
83static 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__ */