diff options
Diffstat (limited to 'include/linux/phy/omap_usb.h')
| -rw-r--r-- | include/linux/phy/omap_usb.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/include/linux/phy/omap_usb.h b/include/linux/phy/omap_usb.h new file mode 100644 index 000000000..dc2c541a6 --- /dev/null +++ b/include/linux/phy/omap_usb.h @@ -0,0 +1,77 @@ +/* + * omap_usb.h -- omap usb2 phy header file + * + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Author: Kishon Vijay Abraham I <kishon@ti.com> + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __DRIVERS_OMAP_USB2_H +#define __DRIVERS_OMAP_USB2_H + +#include <linux/io.h> +#include <linux/usb/otg.h> + +struct usb_dpll_params { + u16 m; + u8 n; + u8 freq:3; + u8 sd; + u32 mf; +}; + +struct omap_usb { + struct usb_phy phy; + struct phy_companion *comparator; + void __iomem *pll_ctrl_base; + void __iomem *phy_base; + struct device *dev; + struct device *control_dev; + struct clk *wkupclk; + struct clk *optclk; + u8 flags; +}; + +struct usb_phy_data { + const char *label; + u8 flags; +}; + +/* Driver Flags */ +#define OMAP_USB2_HAS_START_SRP (1 << 0) +#define OMAP_USB2_HAS_SET_VBUS (1 << 1) +#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT (1 << 2) + +#define phy_to_omapusb(x) container_of((x), struct omap_usb, phy) + +#if defined(CONFIG_OMAP_USB2) || defined(CONFIG_OMAP_USB2_MODULE) +extern int omap_usb2_set_comparator(struct phy_companion *comparator); +#else +static inline int omap_usb2_set_comparator(struct phy_companion *comparator) +{ + return -ENODEV; +} +#endif + +static inline u32 omap_usb_readl(void __iomem *addr, unsigned offset) +{ + return __raw_readl(addr + offset); +} + +static inline void omap_usb_writel(void __iomem *addr, unsigned offset, + u32 data) +{ + __raw_writel(data, addr + offset); +} + +#endif /* __DRIVERS_OMAP_USB_H */ |