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/*
* 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;
};
enum omap_usb_phy_type {
TYPE_USB2, /* USB2_PHY, power down in CONTROL_DEV_CONF */
TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
};
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;
enum omap_usb_phy_type type;
struct regmap *syscon_phy_power; /* ctrl. reg. acces */
unsigned int power_reg; /* power reg. index within syscon */
u32 mask;
u32 power_on;
u32 power_off;
};
struct usb_phy_data {
const char *label;
u8 flags;
u32 mask;
u32 power_on;
u32 power_off;
};
/* 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 OMAP_DEV_PHY_PD BIT(0)
#define OMAP_USB2_PHY_PD BIT(28)
#define AM437X_USB2_PHY_PD BIT(0)
#define AM437X_USB2_OTG_PD BIT(1)
#define AM437X_USB2_OTGVDET_EN BIT(19)
#define AM437X_USB2_OTGSESSEND_EN BIT(20)
#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 */
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