/* * 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 * Author: Keshava Munegowda * * Generalization by: * Felipe Balbi * * 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 #include #include #include #include #include #include #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: