linux-imx

/**

 * omap-usb-tll.c - The USB TLL driver for OMAP EHCI & OHCI

 *

 * Copyright (C) 2012-2013 Texas Instruments Incorporated - http://www.ti.com

 * Author: Keshava Munegowda <keshava_mgowda@ti.com>

 * Author: Roger Quadros <rogerq@ti.com>

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2  of

 * the License as published by the Free Software Foundation.

 *

 * 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.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/types.h>

#include <linux/slab.h>

#include <linux/spinlock.h>

#include <linux/platform_device.h>

#include <linux/clk.h>

#include <linux/io.h>

#include <linux/err.h>

#include <linux/pm_runtime.h>

#include <linux/platform_data/usb-omap.h>

#include <linux/of.h>

​

#include "omap-usb.h"

​

#define USBTLL_DRIVER_NAME  "usbhs_tll"

​

/* TLL Register Set */

#define OMAP_USBTLL_REVISION                (0x00)

#define OMAP_USBTLL_SYSCONFIG               (0x10)

#define OMAP_USBTLL_SYSCONFIG_CACTIVITY         (1 << 8)

#define OMAP_USBTLL_SYSCONFIG_SIDLEMODE         (1 << 3)

#define OMAP_USBTLL_SYSCONFIG_ENAWAKEUP         (1 << 2)

#define OMAP_USBTLL_SYSCONFIG_SOFTRESET         (1 << 1)

#define OMAP_USBTLL_SYSCONFIG_AUTOIDLE          (1 << 0)

​

#define OMAP_USBTLL_SYSSTATUS               (0x14)

#define OMAP_USBTLL_SYSSTATUS_RESETDONE         (1 << 0)

​

#define OMAP_USBTLL_IRQSTATUS               (0x18)

#define OMAP_USBTLL_IRQENABLE               (0x1C)

​

#define OMAP_TLL_SHARED_CONF                (0x30)

#define OMAP_TLL_SHARED_CONF_USB_90D_DDR_EN     (1 << 6)

#define OMAP_TLL_SHARED_CONF_USB_180D_SDR_EN        (1 << 5)

#define OMAP_TLL_SHARED_CONF_USB_DIVRATION      (1 << 2)

#define OMAP_TLL_SHARED_CONF_FCLK_REQ           (1 << 1)

#define OMAP_TLL_SHARED_CONF_FCLK_IS_ON         (1 << 0)

​

#define OMAP_TLL_CHANNEL_CONF(num)          (0x040 + 0x004 * num)

#define OMAP_TLL_CHANNEL_CONF_FSLSMODE_SHIFT        24

#define OMAP_TLL_CHANNEL_CONF_DRVVBUS           (1 << 16)

#define OMAP_TLL_CHANNEL_CONF_CHRGVBUS          (1 << 15)

#define OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF        (1 << 11)

#define OMAP_TLL_CHANNEL_CONF_ULPI_ULPIAUTOIDLE     (1 << 10)

#define OMAP_TLL_CHANNEL_CONF_UTMIAUTOIDLE      (1 << 9)

#define OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE       (1 << 8)

#define OMAP_TLL_CHANNEL_CONF_MODE_TRANSPARENT_UTMI (2 << 1)

#define OMAP_TLL_CHANNEL_CONF_CHANMODE_FSLS     (1 << 1)

#define OMAP_TLL_CHANNEL_CONF_CHANEN            (1 << 0)

​

#define OMAP_TLL_FSLSMODE_6PIN_PHY_DAT_SE0      0x0

#define OMAP_TLL_FSLSMODE_6PIN_PHY_DP_DM        0x1

#define OMAP_TLL_FSLSMODE_3PIN_PHY          0x2

#define OMAP_TLL_FSLSMODE_4PIN_PHY          0x3

#define OMAP_TLL_FSLSMODE_6PIN_TLL_DAT_SE0      0x4

#define OMAP_TLL_FSLSMODE_6PIN_TLL_DP_DM        0x5

#define OMAP_TLL_FSLSMODE_3PIN_TLL          0x6

#define OMAP_TLL_FSLSMODE_4PIN_TLL          0x7

#define OMAP_TLL_FSLSMODE_2PIN_TLL_DAT_SE0      0xA

#define OMAP_TLL_FSLSMODE_2PIN_DAT_DP_DM        0xB

​

#define OMAP_TLL_ULPI_FUNCTION_CTRL(num)        (0x804 + 0x100 * num)

#define OMAP_TLL_ULPI_INTERFACE_CTRL(num)       (0x807 + 0x100 * num)

#define OMAP_TLL_ULPI_OTG_CTRL(num)         (0x80A + 0x100 * num)

#define OMAP_TLL_ULPI_INT_EN_RISE(num)          (0x80D + 0x100 * num)

#define OMAP_TLL_ULPI_INT_EN_FALL(num)          (0x810 + 0x100 * num)

#define OMAP_TLL_ULPI_INT_STATUS(num)           (0x813 + 0x100 * num)

#define OMAP_TLL_ULPI_INT_LATCH(num)            (0x814 + 0x100 * num)

#define OMAP_TLL_ULPI_DEBUG(num)            (0x815 + 0x100 * num)

#define OMAP_TLL_ULPI_SCRATCH_REGISTER(num)     (0x816 + 0x100 * num)

​

#define OMAP_REV2_TLL_CHANNEL_COUNT         2