90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
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* omap_control_usb.h - Header file for the USB part of control module.
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*
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* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Author: Kishon Vijay Abraham I <kishon@ti.com>
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __OMAP_CONTROL_USB_H__
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#define __OMAP_CONTROL_USB_H__
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enum omap_control_usb_type {
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OMAP_CTRL_TYPE_OTGHS = 1, /* Mailbox OTGHS_CONTROL */
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OMAP_CTRL_TYPE_USB2, /* USB2_PHY, power down in CONTROL_DEV_CONF */
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OMAP_CTRL_TYPE_PIPE3, /* PIPE3 PHY, DPLL & seperate Rx/Tx power */
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OMAP_CTRL_TYPE_DRA7USB2, /* USB2 PHY, power and power_aux e.g. DRA7 */
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OMAP_CTRL_TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
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};
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struct omap_control_usb {
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struct device *dev;
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u32 __iomem *otghs_control;
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u32 __iomem *power;
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u32 __iomem *power_aux;
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struct clk *sys_clk;
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enum omap_control_usb_type type;
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};
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enum omap_control_usb_mode {
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USB_MODE_UNDEFINED = 0,
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USB_MODE_HOST,
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USB_MODE_DEVICE,
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USB_MODE_DISCONNECT,
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};
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#define OMAP_CTRL_DEV_PHY_PD BIT(0)
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#define OMAP_CTRL_DEV_AVALID BIT(0)
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#define OMAP_CTRL_DEV_BVALID BIT(1)
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#define OMAP_CTRL_DEV_VBUSVALID BIT(2)
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#define OMAP_CTRL_DEV_SESSEND BIT(3)
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#define OMAP_CTRL_DEV_IDDIG BIT(4)
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#define OMAP_CTRL_USB_PWRCTL_CLK_CMD_MASK 0x003FC000
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#define OMAP_CTRL_USB_PWRCTL_CLK_CMD_SHIFT 0xE
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#define OMAP_CTRL_USB_PWRCTL_CLK_FREQ_MASK 0xFFC00000
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#define OMAP_CTRL_USB_PWRCTL_CLK_FREQ_SHIFT 0x16
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#define OMAP_CTRL_USB3_PHY_TX_RX_POWERON 0x3
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#define OMAP_CTRL_USB3_PHY_TX_RX_POWEROFF 0x0
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#define OMAP_CTRL_USB2_PHY_PD BIT(28)
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#define AM437X_CTRL_USB2_PHY_PD BIT(0)
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#define AM437X_CTRL_USB2_OTG_PD BIT(1)
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#define AM437X_CTRL_USB2_OTGVDET_EN BIT(19)
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#define AM437X_CTRL_USB2_OTGSESSEND_EN BIT(20)
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#if IS_ENABLED(CONFIG_OMAP_CONTROL_USB)
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extern void omap_control_usb_phy_power(struct device *dev, int on);
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extern void omap_control_usb_set_mode(struct device *dev,
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enum omap_control_usb_mode mode);
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#else
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static inline void omap_control_usb_phy_power(struct device *dev, int on)
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{
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}
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static inline void omap_control_usb_set_mode(struct device *dev,
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enum omap_control_usb_mode mode)
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{
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}
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#endif
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#endif /* __OMAP_CONTROL_USB_H__ */
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