[deliverable/linux.git] / include / linux / phy / omap_usb.h

/*
 * 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 */
Commit	Line	Data
657b306a KVA	1	/*
	2	* omap_usb.h -- omap usb2 phy header file
	3	*
	4	* Copyright (C) 2012 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 __DRIVERS_OMAP_USB2_H
	20	#define __DRIVERS_OMAP_USB2_H
	21
57f6ce07	22	#include <linux/io.h>
657b306a KVA	23	#include <linux/usb/otg.h>
657b306a KVA	24
57f6ce07 KVA	25	struct usb_dpll_params {
	26	u16 m;
	27	u8 n;
	28	u8 freq:3;
	29	u8 sd;
	30	u32 mf;
	31	};
	32
9955a783 KVA	33	enum omap_usb_phy_type {
	34	TYPE_USB2, /* USB2_PHY, power down in CONTROL_DEV_CONF */
	35	TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
	36	TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
	37	};
	38
657b306a KVA	39	struct omap_usb {
	40	struct usb_phy phy;
	41	struct phy_companion *comparator;
7e472402 AB	42	void __iomem *pll_ctrl_base;
7e472402 AB	43	void __iomem *phy_base;
657b306a	44	struct device *dev;
ca784be3	45	struct device *control_dev;
657b306a	46	struct clk *wkupclk;
57f6ce07	47	struct clk *optclk;
7e472402	48	u8 flags;
9955a783 KVA	49	enum omap_usb_phy_type type;
	50	struct regmap syscon_phy_power; / ctrl. reg. acces */
	51	unsigned int power_reg; /* power reg. index within syscon */
	52	u32 mask;
	53	u32 power_on;
	54	u32 power_off;
657b306a KVA	55	};
657b306a KVA	56
09a0168d GC	57	struct usb_phy_data {
	58	const char *label;
	59	u8 flags;
9955a783 KVA	60	u32 mask;
	61	u32 power_on;
	62	u32 power_off;
09a0168d GC	63	};
	64
	65	/* Driver Flags */
	66	#define OMAP_USB2_HAS_START_SRP (1 << 0)
	67	#define OMAP_USB2_HAS_SET_VBUS (1 << 1)
7e472402	68	#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT (1 << 2)
09a0168d	69
9955a783 KVA	70	#define OMAP_DEV_PHY_PD BIT(0)
	71	#define OMAP_USB2_PHY_PD BIT(28)
	72
	73	#define AM437X_USB2_PHY_PD BIT(0)
	74	#define AM437X_USB2_OTG_PD BIT(1)
	75	#define AM437X_USB2_OTGVDET_EN BIT(19)
	76	#define AM437X_USB2_OTGSESSEND_EN BIT(20)
	77
657b306a KVA	78	#define phy_to_omapusb(x) container_of((x), struct omap_usb, phy)
	79
	80	#if defined(CONFIG_OMAP_USB2) \|\| defined(CONFIG_OMAP_USB2_MODULE)
	81	extern int omap_usb2_set_comparator(struct phy_companion *comparator);
	82	#else
	83	static inline int omap_usb2_set_comparator(struct phy_companion *comparator)
	84	{
	85	return -ENODEV;
	86	}
	87	#endif
	88
57f6ce07 KVA	89	static inline u32 omap_usb_readl(void __iomem *addr, unsigned offset)
	90	{
	91	return __raw_readl(addr + offset);
	92	}
	93
	94	static inline void omap_usb_writel(void __iomem *addr, unsigned offset,
	95	u32 data)
	96	{
	97	__raw_writel(data, addr + offset);
	98	}
	99
657b306a	100	#endif /* __DRIVERS_OMAP_USB_H */