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 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
  73 static inline struct device *omap_get_control_dev(void)
  74 {
  75         return ERR_PTR(-ENODEV);
  76 }
  77
  78 static inline void omap_control_usb_phy_power(struct device *dev, int on)
  79 {
  80 }
  81
  82 static inline void omap_control_usb3_phy_power(struct device *dev, int on)
  83 {
  84 }
  85
  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__ */