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>
35 static struct resource musb_resources
[] = {
36 [0] = { /* start and end set dynamically */
37 .flags
= IORESOURCE_MEM
,
39 [1] = { /* general IRQ */
40 .start
= INT_243X_HS_USB_MC
,
41 .flags
= IORESOURCE_IRQ
,
44 .start
= INT_243X_HS_USB_DMA
,
45 .flags
= IORESOURCE_IRQ
,
51 static int musb_set_clock(struct clk
*clk
, int state
)
70 static struct musb_hdrc_eps_bits musb_eps
[] = {
103 static struct musb_hdrc_config musb_config
= {
110 .dma_req_chan
= (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3),
112 .eps_bits
= musb_eps
,
115 static struct musb_hdrc_platform_data musb_plat
= {
116 #ifdef CONFIG_USB_MUSB_OTG
118 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
120 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
121 .mode
= MUSB_PERIPHERAL
,
123 /* .clock is set dynamically */
124 .set_clock
= musb_set_clock
,
125 .config
= &musb_config
,
127 /* REVISIT charge pump on TWL4030 can supply up to
128 * 100 mA ... but this value is board-specific, like
129 * "mode", and should be passed to usb_musb_init().
131 .power
= 50, /* up to 100 mA */
134 static u64 musb_dmamask
= DMA_32BIT_MASK
;
136 static struct platform_device musb_device
= {
140 .dma_mask
= &musb_dmamask
,
141 .coherent_dma_mask
= DMA_32BIT_MASK
,
142 .platform_data
= &musb_plat
,
144 .num_resources
= ARRAY_SIZE(musb_resources
),
145 .resource
= musb_resources
,
148 #ifdef CONFIG_NOP_USB_XCEIV
149 static u64 nop_xceiv_dmamask
= DMA_32BIT_MASK
;
151 static struct platform_device nop_xceiv_device
= {
152 .name
= "nop_usb_xceiv",
155 .dma_mask
= &nop_xceiv_dmamask
,
156 .coherent_dma_mask
= DMA_32BIT_MASK
,
157 .platform_data
= NULL
,
162 void __init
usb_musb_init(void)
164 if (cpu_is_omap243x())
165 musb_resources
[0].start
= OMAP243X_HS_BASE
;
167 musb_resources
[0].start
= OMAP34XX_HSUSB_OTG_BASE
;
168 musb_resources
[0].end
= musb_resources
[0].start
+ SZ_8K
- 1;
171 * REVISIT: This line can be removed once all the platforms using
172 * musb_core.c have been converted to use use clkdev.
174 musb_plat
.clock
= "ick";
176 #ifdef CONFIG_NOP_USB_XCEIV
177 if (platform_device_register(&nop_xceiv_device
) < 0) {
178 printk(KERN_ERR
"Unable to register NOP-XCEIV device\n");
183 if (platform_device_register(&musb_device
) < 0) {
184 printk(KERN_ERR
"Unable to register HS-USB (MUSB) device\n");