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>
28 #include <linux/usb/musb.h>
30 #include <mach/hardware.h>
31 #include <mach/irqs.h>
36 #ifdef CONFIG_USB_MUSB_SOC
37 static struct resource musb_resources[] = {
39 .start = cpu_is_omap34xx()
40 ? OMAP34XX_HSUSB_OTG_BASE
42 .end = cpu_is_omap34xx()
43 ? OMAP34XX_HSUSB_OTG_BASE + SZ_8K - 1
44 : OMAP243X_HS_BASE + SZ_8K - 1,
45 .flags = IORESOURCE_MEM,
47 [1] = { /* general IRQ */
48 .start = INT_243X_HS_USB_MC,
49 .flags = IORESOURCE_IRQ,
52 .start = INT_243X_HS_USB_DMA,
53 .flags = IORESOURCE_IRQ,
59 static int musb_set_clock(struct clk *clk, int state)
78 static struct musb_hdrc_eps_bits musb_eps[] = {
111 static struct musb_hdrc_config musb_config = {
118 .dma_req_chan = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3),
120 .eps_bits = musb_eps,
123 static struct musb_hdrc_platform_data musb_plat = {
124 #ifdef CONFIG_USB_MUSB_OTG
126 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
128 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
129 .mode = MUSB_PERIPHERAL,
131 .clock = cpu_is_omap34xx()
134 .set_clock = musb_set_clock,
135 .config = &musb_config,
137 /* REVISIT charge pump on TWL4030 can supply up to
138 * 100 mA ... but this value is board-specific, like
139 * "mode", and should be passed to usb_musb_init().
141 .power = 50, /* up to 100 mA */
144 static u64 musb_dmamask = DMA_32BIT_MASK;
146 static struct platform_device musb_device = {
150 .dma_mask = &musb_dmamask,
151 .coherent_dma_mask = DMA_32BIT_MASK,
152 .platform_data = &musb_plat,
154 .num_resources = ARRAY_SIZE(musb_resources),
155 .resource = musb_resources,
160 void __init usb_musb_init(void)
162 #ifdef CONFIG_USB_MUSB_SOC
163 if (platform_device_register(&musb_device) < 0) {
164 printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");