e0c201f339
This driver implements PHY initialization, clock management, ULPI IO ops and simple OTG state machine to kick host/peripheral based on Id/VBUS line status. VBUS/Id lines are tied to a reference voltage on some boards. Hence provide debugfs interface to select host/peripheral mode. Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
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* Copyright (C) 2007 Google, Inc.
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* Author: Brian Swetland <swetland@google.com>
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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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#ifndef __LINUX_USB_GADGET_MSM72K_UDC_H__
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#define __LINUX_USB_GADGET_MSM72K_UDC_H__
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#ifdef CONFIG_ARCH_MSM7X00A
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#define USB_SBUSCFG (MSM_USB_BASE + 0x0090)
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#else
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#define USB_AHBBURST (MSM_USB_BASE + 0x0090)
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#define USB_AHBMODE (MSM_USB_BASE + 0x0098)
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#endif
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#define USB_CAPLENGTH (MSM_USB_BASE + 0x0100) /* 8 bit */
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#define USB_USBCMD (MSM_USB_BASE + 0x0140)
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#define USB_PORTSC (MSM_USB_BASE + 0x0184)
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#define USB_OTGSC (MSM_USB_BASE + 0x01A4)
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#define USB_USBMODE (MSM_USB_BASE + 0x01A8)
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#define USBCMD_RESET 2
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#define USB_USBINTR (MSM_USB_BASE + 0x0148)
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#define PORTSC_PHCD (1 << 23) /* phy suspend mode */
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#define PORTSC_PTS_MASK (3 << 30)
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#define PORTSC_PTS_ULPI (3 << 30)
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#define USB_ULPI_VIEWPORT (MSM_USB_BASE + 0x0170)
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#define ULPI_RUN (1 << 30)
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#define ULPI_WRITE (1 << 29)
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#define ULPI_READ (0 << 29)
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#define ULPI_ADDR(n) (((n) & 255) << 16)
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#define ULPI_DATA(n) ((n) & 255)
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#define ULPI_DATA_READ(n) (((n) >> 8) & 255)
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/* OTG definitions */
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#define OTGSC_INTSTS_MASK (0x7f << 16)
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#define OTGSC_ID (1 << 8)
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#define OTGSC_BSV (1 << 11)
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#define OTGSC_IDIS (1 << 16)
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#define OTGSC_BSVIS (1 << 19)
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#define OTGSC_IDIE (1 << 24)
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#define OTGSC_BSVIE (1 << 27)
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#endif /* __LINUX_USB_GADGET_MSM72K_UDC_H__ */
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