2 * linux/arch/arm/mach-omap2/usb-musb.c
4 * This file will contain the board specific details for the
5 * MENTOR USB OTG controller on OMAP3430
7 * Copyright (C) 2007-2008 Texas Instruments
8 * Copyright (C) 2008 Nokia Corporation
9 * Author: Vikram Pandita
12 * Felipe Balbi <felipe.balbi@nokia.com>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
19 #include <linux/types.h>
20 #include <linux/errno.h>
21 #include <linux/delay.h>
22 #include <linux/platform_device.h>
23 #include <linux/clk.h>
24 #include <linux/dma-mapping.h>
27 #include <linux/usb/musb.h>
29 #include <mach/hardware.h>
30 #include <mach/irqs.h>
31 #include <mach/am35xx.h>
33 #include <plat/omap_device.h>
36 static struct musb_hdrc_config musb_config = {
43 static struct musb_hdrc_platform_data musb_plat = {
44 #ifdef CONFIG_USB_MUSB_OTG
46 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
48 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
49 .mode = MUSB_PERIPHERAL,
51 /* .clock is set dynamically */
52 .config = &musb_config,
54 /* REVISIT charge pump on TWL4030 can supply up to
55 * 100 mA ... but this value is board-specific, like
56 * "mode", and should be passed to usb_musb_init().
58 .power = 50, /* up to 100 mA */
61 static u64 musb_dmamask = DMA_BIT_MASK(32);
63 static struct omap_musb_board_data musb_default_board_data = {
64 .interface_type = MUSB_INTERFACE_ULPI,
69 void __init usb_musb_init(struct omap_musb_board_data *musb_board_data)
71 struct omap_hwmod *oh;
72 struct platform_device *pdev;
75 const char *oh_name, *name;
76 struct omap_musb_board_data *board_data;
79 board_data = musb_board_data;
81 board_data = &musb_default_board_data;
84 * REVISIT: This line can be removed once all the platforms using
85 * musb_core.c have been converted to use use clkdev.
87 musb_plat.clock = "ick";
88 musb_plat.board_data = board_data;
89 musb_plat.power = board_data->power >> 1;
90 musb_plat.mode = board_data->mode;
91 musb_plat.extvbus = board_data->extvbus;
93 if (cpu_is_omap3517() || cpu_is_omap3505()) {
94 oh_name = "am35x_otg_hs";
97 oh_name = "usb_otg_hs";
98 name = "musb-omap2430";
101 oh = omap_hwmod_lookup(oh_name);
102 if (WARN(!oh, "%s: could not find omap_hwmod for %s\n",
106 pdev = omap_device_build(name, bus_id, oh, &musb_plat,
107 sizeof(musb_plat), NULL, 0, false);
109 pr_err("Could not build omap_device for %s %s\n",
116 dev->dma_mask = &musb_dmamask;
117 dev->coherent_dma_mask = musb_dmamask;
120 if (cpu_is_omap44xx())
121 omap4430_phy_init(dev);