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>
26 #include <linux/usb/musb.h>
28 #include "omap_device.h"
33 static struct musb_hdrc_config musb_config = {
40 static struct musb_hdrc_platform_data musb_plat = {
41 #ifdef CONFIG_USB_GADGET_MUSB_HDRC
46 /* .clock is set dynamically */
47 .config = &musb_config,
49 /* REVISIT charge pump on TWL4030 can supply up to
50 * 100 mA ... but this value is board-specific, like
51 * "mode", and should be passed to usb_musb_init().
53 .power = 50, /* up to 100 mA */
56 static u64 musb_dmamask = DMA_BIT_MASK(32);
58 static struct omap_musb_board_data musb_default_board_data = {
59 .interface_type = MUSB_INTERFACE_ULPI,
64 void __init usb_musb_init(struct omap_musb_board_data *musb_board_data)
66 struct omap_hwmod *oh;
67 struct platform_device *pdev;
70 const char *oh_name, *name;
71 struct omap_musb_board_data *board_data;
74 board_data = musb_board_data;
76 board_data = &musb_default_board_data;
79 * REVISIT: This line can be removed once all the platforms using
80 * musb_core.c have been converted to use use clkdev.
82 musb_plat.clock = "ick";
83 musb_plat.board_data = board_data;
84 musb_plat.power = board_data->power >> 1;
85 musb_plat.mode = board_data->mode;
86 musb_plat.extvbus = board_data->extvbus;
88 if (soc_is_am35xx()) {
89 oh_name = "am35x_otg_hs";
91 } else if (cpu_is_ti81xx()) {
92 oh_name = "usb_otg_hs";
95 oh_name = "usb_otg_hs";
96 name = "musb-omap2430";
99 oh = omap_hwmod_lookup(oh_name);
100 if (WARN(!oh, "%s: could not find omap_hwmod for %s\n",
104 pdev = omap_device_build(name, bus_id, oh, &musb_plat,
105 sizeof(musb_plat), NULL, 0, false);
107 pr_err("Could not build omap_device for %s %s\n",
114 dev->dma_mask = &musb_dmamask;
115 dev->coherent_dma_mask = musb_dmamask;