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- /*
- * usb-host.c - OMAP USB Host
- *
- * This file will contain the board specific details for the
- * Synopsys EHCI/OHCI host controller on OMAP3430 and onwards
- *
- * Copyright (C) 2007-2011 Texas Instruments
- * Author: Vikram Pandita <vikram.pandita@ti.com>
- * Author: Keshava Munegowda <keshava_mgowda@ti.com>
- *
- * Generalization by:
- * Felipe Balbi <balbi@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 as
- * published by the Free Software Foundation.
- */
- #include <linux/types.h>
- #include <linux/errno.h>
- #include <linux/delay.h>
- #include <linux/platform_device.h>
- #include <linux/slab.h>
- #include <linux/dma-mapping.h>
- #include <asm/io.h>
- #include "soc.h"
- #include "omap_device.h"
- #include "mux.h"
- #include "usb.h"
- #ifdef CONFIG_MFD_OMAP_USB_HOST
- #define OMAP_USBHS_DEVICE "usbhs_omap"
- #define OMAP_USBTLL_DEVICE "usbhs_tll"
- #define USBHS_UHH_HWMODNAME "usb_host_hs"
- #define USBHS_TLL_HWMODNAME "usb_tll_hs"
- static struct usbhs_omap_platform_data usbhs_data;
- static struct usbtll_omap_platform_data usbtll_data;
- static struct ehci_hcd_omap_platform_data ehci_data;
- static struct ohci_hcd_omap_platform_data ohci_data;
- static struct omap_device_pm_latency omap_uhhtll_latency[] = {
- {
- .deactivate_func = omap_device_idle_hwmods,
- .activate_func = omap_device_enable_hwmods,
- .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
- },
- };
- /* MUX settings for EHCI pins */
- /*
- * setup_ehci_io_mux - initialize IO pad mux for USBHOST
- */
- static void __init setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
- {
- switch (port_mode[0]) {
- case OMAP_EHCI_PORT_MODE_PHY:
- omap_mux_init_signal("hsusb1_stp", OMAP_PIN_OUTPUT);
- omap_mux_init_signal("hsusb1_clk", OMAP_PIN_OUTPUT);
- omap_mux_init_signal("hsusb1_dir", OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_nxt", OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_data0", OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_data1", OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_data2", OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_data3", OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_data4", OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_data5", OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_data6", OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_data7", OMAP_PIN_INPUT_PULLDOWN);
- break;
- case OMAP_EHCI_PORT_MODE_TLL:
- omap_mux_init_signal("hsusb1_tll_stp",
- OMAP_PIN_INPUT_PULLUP);
- omap_mux_init_signal("hsusb1_tll_clk",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_tll_dir",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_tll_nxt",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_tll_data0",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_tll_data1",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_tll_data2",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_tll_data3",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_tll_data4",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_tll_data5",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_tll_data6",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb1_tll_data7",
- OMAP_PIN_INPUT_PULLDOWN);
- break;
- case OMAP_USBHS_PORT_MODE_UNUSED:
- /* FALLTHROUGH */
- default:
- break;
- }
- switch (port_mode[1]) {
- case OMAP_EHCI_PORT_MODE_PHY:
- omap_mux_init_signal("hsusb2_stp", OMAP_PIN_OUTPUT);
- omap_mux_init_signal("hsusb2_clk", OMAP_PIN_OUTPUT);
- omap_mux_init_signal("hsusb2_dir", OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_nxt", OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_data0",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_data1",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_data2",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_data3",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_data4",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_data5",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_data6",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_data7",
- OMAP_PIN_INPUT_PULLDOWN);
- break;
- case OMAP_EHCI_PORT_MODE_TLL:
- omap_mux_init_signal("hsusb2_tll_stp",
- OMAP_PIN_INPUT_PULLUP);
- omap_mux_init_signal("hsusb2_tll_clk",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_tll_dir",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_tll_nxt",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_tll_data0",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_tll_data1",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_tll_data2",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_tll_data3",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_tll_data4",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_tll_data5",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_tll_data6",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb2_tll_data7",
- OMAP_PIN_INPUT_PULLDOWN);
- break;
- case OMAP_USBHS_PORT_MODE_UNUSED:
- /* FALLTHROUGH */
- default:
- break;
- }
- switch (port_mode[2]) {
- case OMAP_EHCI_PORT_MODE_PHY:
- printk(KERN_WARNING "Port3 can't be used in PHY mode\n");
- break;
- case OMAP_EHCI_PORT_MODE_TLL:
- omap_mux_init_signal("hsusb3_tll_stp",
- OMAP_PIN_INPUT_PULLUP);
- omap_mux_init_signal("hsusb3_tll_clk",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb3_tll_dir",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb3_tll_nxt",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb3_tll_data0",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb3_tll_data1",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb3_tll_data2",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb3_tll_data3",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb3_tll_data4",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb3_tll_data5",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb3_tll_data6",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("hsusb3_tll_data7",
- OMAP_PIN_INPUT_PULLDOWN);
- break;
- case OMAP_USBHS_PORT_MODE_UNUSED:
- /* FALLTHROUGH */
- default:
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