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-/* linux/include/asm-arm/arch-msm/hsusb.h
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- *
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- * Copyright (C) 2008 Google, Inc.
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- * Author: Brian Swetland <swetland@google.com>
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- * Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
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- *
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- * This software is licensed under the terms of the GNU General Public
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- * License version 2, as published by the Free Software Foundation, and
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- * may be copied, distributed, and modified under those terms.
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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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-
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-#ifndef __ASM_ARCH_MSM_HSUSB_H
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-#define __ASM_ARCH_MSM_HSUSB_H
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-
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-#include <linux/extcon.h>
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-#include <linux/types.h>
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-#include <linux/usb/otg.h>
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-#include <linux/clk.h>
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-
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-/**
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- * OTG control
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- *
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- * OTG_NO_CONTROL Id/VBUS notifications not required. Useful in host
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- * only configuration.
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- * OTG_PHY_CONTROL Id/VBUS notifications comes form USB PHY.
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- * OTG_PMIC_CONTROL Id/VBUS notifications comes from PMIC hardware.
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- * OTG_USER_CONTROL Id/VBUS notifcations comes from User via sysfs.
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- *
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- */
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-enum otg_control_type {
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- OTG_NO_CONTROL = 0,
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- OTG_PHY_CONTROL,
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- OTG_PMIC_CONTROL,
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- OTG_USER_CONTROL,
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-};
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-
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-/**
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- * PHY used in
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- *
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- * INVALID_PHY Unsupported PHY
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- * CI_45NM_INTEGRATED_PHY Chipidea 45nm integrated PHY
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- * SNPS_28NM_INTEGRATED_PHY Synopsis 28nm integrated PHY
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- *
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- */
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-enum msm_usb_phy_type {
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- INVALID_PHY = 0,
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- CI_45NM_INTEGRATED_PHY,
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- SNPS_28NM_INTEGRATED_PHY,
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-};
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-
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-#define IDEV_CHG_MAX 1500
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-#define IUNIT 100
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-
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-/**
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- * Different states involved in USB charger detection.
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- *
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- * USB_CHG_STATE_UNDEFINED USB charger is not connected or detection
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- * process is not yet started.
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- * USB_CHG_STATE_WAIT_FOR_DCD Waiting for Data pins contact.
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- * USB_CHG_STATE_DCD_DONE Data pin contact is detected.
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- * USB_CHG_STATE_PRIMARY_DONE Primary detection is completed (Detects
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- * between SDP and DCP/CDP).
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- * USB_CHG_STATE_SECONDARY_DONE Secondary detection is completed (Detects
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- * between DCP and CDP).
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- * USB_CHG_STATE_DETECTED USB charger type is determined.
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- *
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- */
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-enum usb_chg_state {
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- USB_CHG_STATE_UNDEFINED = 0,
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- USB_CHG_STATE_WAIT_FOR_DCD,
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- USB_CHG_STATE_DCD_DONE,
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- USB_CHG_STATE_PRIMARY_DONE,
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- USB_CHG_STATE_SECONDARY_DONE,
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- USB_CHG_STATE_DETECTED,
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-};
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-
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-/**
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- * USB charger types
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- *
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- * USB_INVALID_CHARGER Invalid USB charger.
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- * USB_SDP_CHARGER Standard downstream port. Refers to a downstream port
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- * on USB2.0 compliant host/hub.
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- * USB_DCP_CHARGER Dedicated charger port (AC charger/ Wall charger).
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- * USB_CDP_CHARGER Charging downstream port. Enumeration can happen and
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- * IDEV_CHG_MAX can be drawn irrespective of USB state.
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- *
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- */
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-enum usb_chg_type {
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- USB_INVALID_CHARGER = 0,
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- USB_SDP_CHARGER,
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- USB_DCP_CHARGER,
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- USB_CDP_CHARGER,
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-};
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-
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-/**
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- * struct msm_otg_platform_data - platform device data
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- * for msm_otg driver.
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- * @phy_init_seq: PHY configuration sequence values. Value of -1 is reserved as
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- * "do not overwrite default vaule at this address".
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- * @phy_init_sz: PHY configuration sequence size.
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- * @vbus_power: VBUS power on/off routine.
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- * @power_budget: VBUS power budget in mA (0 will be treated as 500mA).
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- * @mode: Supported mode (OTG/peripheral/host).
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- * @otg_control: OTG switch controlled by user/Id pin
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- */
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-struct msm_otg_platform_data {
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- int *phy_init_seq;
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- int phy_init_sz;
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- void (*vbus_power)(bool on);
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- unsigned power_budget;
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- enum usb_dr_mode mode;
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- enum otg_control_type otg_control;
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- enum msm_usb_phy_type phy_type;
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- void (*setup_gpio)(enum usb_otg_state state);
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-};
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-
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-/**
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- * struct msm_usb_cable - structure for exteternal connector cable
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- * state tracking
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- * @nb: hold event notification callback
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- * @conn: used for notification registration
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- */
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-struct msm_usb_cable {
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- struct notifier_block nb;
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- struct extcon_dev *extcon;
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-};
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-
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-/**
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- * struct msm_otg: OTG driver data. Shared by HCD and DCD.
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- * @otg: USB OTG Transceiver structure.
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- * @pdata: otg device platform data.
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- * @irq: IRQ number assigned for HSUSB controller.
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- * @clk: clock struct of usb_hs_clk.
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- * @pclk: clock struct of usb_hs_pclk.
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- * @core_clk: clock struct of usb_hs_core_clk.
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- * @regs: ioremapped register base address.
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- * @inputs: OTG state machine inputs(Id, SessValid etc).
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- * @sm_work: OTG state machine work.
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- * @in_lpm: indicates low power mode (LPM) state.
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- * @async_int: Async interrupt arrived.
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- * @cur_power: The amount of mA available from downstream port.
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- * @chg_work: Charger detection work.
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- * @chg_state: The state of charger detection process.
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- * @chg_type: The type of charger attached.
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- * @dcd_retires: The retry count used to track Data contact
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- * detection process.
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- * @manual_pullup: true if VBUS is not routed to USB controller/phy
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- * and controller driver therefore enables pull-up explicitly before
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- * starting controller using usbcmd run/stop bit.
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- * @vbus: VBUS signal state trakining, using extcon framework
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- * @id: ID signal state trakining, using extcon framework
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- * @switch_gpio: Descriptor for GPIO used to control external Dual
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- * SPDT USB Switch.
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- * @reboot: Used to inform the driver to route USB D+/D- line to Device
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- * connector
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- */
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-struct msm_otg {
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- struct usb_phy phy;
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- struct msm_otg_platform_data *pdata;
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- int irq;
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- struct clk *clk;
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- struct clk *pclk;
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- struct clk *core_clk;
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- void __iomem *regs;
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-#define ID 0
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-#define B_SESS_VLD 1
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- unsigned long inputs;
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- struct work_struct sm_work;
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- atomic_t in_lpm;
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- int async_int;
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- unsigned cur_power;
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- int phy_number;
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- struct delayed_work chg_work;
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- enum usb_chg_state chg_state;
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- enum usb_chg_type chg_type;
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- u8 dcd_retries;
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- struct regulator *v3p3;
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- struct regulator *v1p8;
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- struct regulator *vddcx;
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-
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- struct reset_control *phy_rst;
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- struct reset_control *link_rst;
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- int vdd_levels[3];
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-
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- bool manual_pullup;
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-
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- struct msm_usb_cable vbus;
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- struct msm_usb_cable id;
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-
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- struct gpio_desc *switch_gpio;
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- struct notifier_block reboot;
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-};
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-
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-#endif
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Arnd Bergmann