91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* omap_usb.h -- omap usb2 phy header file
|
|
*
|
|
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
|
|
* Author: Kishon Vijay Abraham I <kishon@ti.com>
|
|
*/
|
|
|
|
#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 */
|