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>
26 #include <linux/usb/musb.h>
28 #include <mach/hardware.h>
32 #ifdef CONFIG_USB_MUSB_SOC
33 static struct resource musb_resources[] = {
35 .start = cpu_is_omap34xx()
36 ? OMAP34XX_HSUSB_OTG_BASE
38 .end = cpu_is_omap34xx()
39 ? OMAP34XX_HSUSB_OTG_BASE + SZ_8K - 1
40 : OMAP243X_HS_BASE + SZ_8K - 1,
41 .flags = IORESOURCE_MEM,
43 [1] = { /* general IRQ */
44 .start = INT_243X_HS_USB_MC,
45 .flags = IORESOURCE_IRQ,
48 .start = INT_243X_HS_USB_DMA,
49 .flags = IORESOURCE_IRQ,
55 static int musb_set_clock(struct clk *clk, int state)
74 static struct musb_hdrc_eps_bits musb_eps[] = {
107 static struct musb_hdrc_config musb_config = {
114 .dma_req_chan = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3),
116 .eps_bits = musb_eps,
119 static struct musb_hdrc_platform_data musb_plat = {
120 #ifdef CONFIG_USB_MUSB_OTG
122 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
124 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
125 .mode = MUSB_PERIPHERAL,
127 .clock = cpu_is_omap34xx()
130 .set_clock = musb_set_clock,
131 .config = &musb_config,
134 static u64 musb_dmamask = ~(u32)0;
136 static struct platform_device musb_device = {
140 .dma_mask = &musb_dmamask,
141 .coherent_dma_mask = 0xffffffff,
142 .platform_data = &musb_plat,
144 .num_resources = ARRAY_SIZE(musb_resources),
145 .resource = musb_resources,
150 void __init usb_musb_init(void)
152 #ifdef CONFIG_USB_MUSB_SOC
153 if (platform_device_register(&musb_device) < 0) {
154 printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");