[deliverable/linux.git] / include / linux / usb / omap_control_usb.h

/*
 * omap_control_usb.h - Header file for the USB part of control module.
 *
 * Copyright (C) 2013 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 __OMAP_CONTROL_USB_H__
#define __OMAP_CONTROL_USB_H__

enum omap_control_usb_type {
	OMAP_CTRL_TYPE_OTGHS = 1,	/* Mailbox OTGHS_CONTROL */
	OMAP_CTRL_TYPE_USB2,	/* USB2_PHY, power down in CONTROL_DEV_CONF */
	OMAP_CTRL_TYPE_PIPE3,	/* PIPE3 PHY, DPLL & seperate Rx/Tx power */
	OMAP_CTRL_TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
	OMAP_CTRL_TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
};

struct omap_control_usb {
	struct device *dev;

	u32 __iomem *otghs_control;
	u32 __iomem *power;
	u32 __iomem *power_aux;

	struct clk *sys_clk;

	enum omap_control_usb_type type;
};

enum omap_control_usb_mode {
	USB_MODE_UNDEFINED = 0,
	USB_MODE_HOST,
	USB_MODE_DEVICE,
	USB_MODE_DISCONNECT,
};

#define	OMAP_CTRL_DEV_PHY_PD		BIT(0)

#define	OMAP_CTRL_DEV_AVALID		BIT(0)
#define	OMAP_CTRL_DEV_BVALID		BIT(1)
#define	OMAP_CTRL_DEV_VBUSVALID		BIT(2)
#define	OMAP_CTRL_DEV_SESSEND		BIT(3)
#define	OMAP_CTRL_DEV_IDDIG		BIT(4)

#define	OMAP_CTRL_USB_PWRCTL_CLK_CMD_MASK	0x003FC000
#define	OMAP_CTRL_USB_PWRCTL_CLK_CMD_SHIFT	0xE

#define	OMAP_CTRL_USB_PWRCTL_CLK_FREQ_MASK	0xFFC00000
#define	OMAP_CTRL_USB_PWRCTL_CLK_FREQ_SHIFT	0x16

#define	OMAP_CTRL_USB3_PHY_TX_RX_POWERON	0x3
#define	OMAP_CTRL_USB3_PHY_TX_RX_POWEROFF	0x0

#define OMAP_CTRL_USB2_PHY_PD		BIT(28)

#define AM437X_CTRL_USB2_PHY_PD		BIT(0)
#define AM437X_CTRL_USB2_OTG_PD		BIT(1)
#define AM437X_CTRL_USB2_OTGVDET_EN	BIT(19)
#define AM437X_CTRL_USB2_OTGSESSEND_EN	BIT(20)

#if IS_ENABLED(CONFIG_OMAP_CONTROL_USB)
extern void omap_control_usb_phy_power(struct device *dev, int on);
extern void omap_control_usb_set_mode(struct device *dev,
	enum omap_control_usb_mode mode);
#else

static inline void omap_control_usb_phy_power(struct device *dev, int on)
{
}

static inline void omap_control_usb_set_mode(struct device *dev,
	enum omap_control_usb_mode mode)
{
}
#endif

#endif	/* __OMAP_CONTROL_USB_H__ */
Commit	Line	Data
01658f0f KVA	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
6cb9310a RQ	22	enum omap_control_usb_type {
	23	OMAP_CTRL_TYPE_OTGHS = 1, /* Mailbox OTGHS_CONTROL */
	24	OMAP_CTRL_TYPE_USB2, /* USB2_PHY, power down in CONTROL_DEV_CONF */
	25	OMAP_CTRL_TYPE_PIPE3, /* PIPE3 PHY, DPLL & seperate Rx/Tx power */
	26	OMAP_CTRL_TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
c4b34a3b	27	OMAP_CTRL_TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
6cb9310a RQ	28	};
6cb9310a RQ	29
01658f0f KVA	30	struct omap_control_usb {
	31	struct device *dev;
	32
01658f0f	33	u32 __iomem *otghs_control;
6cb9310a RQ	34	u32 __iomem *power;
6cb9310a RQ	35	u32 __iomem *power_aux;
01658f0f KVA	36
	37	struct clk *sys_clk;
	38
6cb9310a	39	enum omap_control_usb_type type;
01658f0f KVA	40	};
01658f0f KVA	41
01658f0f KVA	42	enum omap_control_usb_mode {
	43	USB_MODE_UNDEFINED = 0,
	44	USB_MODE_HOST,
	45	USB_MODE_DEVICE,
	46	USB_MODE_DISCONNECT,
	47	};
	48
01658f0f KVA	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
6cb9310a RQ	66	#define OMAP_CTRL_USB2_PHY_PD BIT(28)
6cb9310a RQ	67
c4b34a3b GC	68	#define AM437X_CTRL_USB2_PHY_PD BIT(0)
	69	#define AM437X_CTRL_USB2_OTG_PD BIT(1)
	70	#define AM437X_CTRL_USB2_OTGVDET_EN BIT(19)
	71	#define AM437X_CTRL_USB2_OTGSESSEND_EN BIT(20)
	72
01658f0f	73	#if IS_ENABLED(CONFIG_OMAP_CONTROL_USB)
01658f0f	74	extern void omap_control_usb_phy_power(struct device *dev, int on);
01658f0f KVA	75	extern void omap_control_usb_set_mode(struct device *dev,
	76	enum omap_control_usb_mode mode);
	77	#else
01658f0f KVA	78
	79	static inline void omap_control_usb_phy_power(struct device *dev, int on)
	80	{
	81	}
	82
01658f0f KVA	83	static inline void omap_control_usb_set_mode(struct device *dev,
	84	enum omap_control_usb_mode mode)
	85	{
	86	}
	87	#endif
	88
	89	#endif /* __OMAP_CONTROL_USB_H__ */