arch/arm/mach-omap2/board-2430sdp-usb.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-2430sdp-usb.c
   3  *
   4  * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com>
   5  * Author: Kevin Hilman
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #include <linux/types.h>
  13 #include <linux/errno.h>
  14 #include <linux/delay.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/usb/musb.h>
  17
  18 #include <asm/arch/hardware.h>
  19 #include <asm/arch/usb.h>
  20
  21 static struct resource musb_resources[] = {
  22         [0] = {
  23                 .start  = OMAP243X_HS_BASE,
  24                 .end    = OMAP243X_HS_BASE + SZ_8K,
  25                 .flags  = IORESOURCE_MEM,
  26         },
  27         [1] = { /* general IRQ */
  28                 .start  = INT_243X_HS_USB_MC,
  29                 .flags  = IORESOURCE_IRQ,
  30         },
  31         [2] = { /* DMA IRQ */
  32                 .start  = INT_243X_HS_USB_DMA,
  33                 .flags  = IORESOURCE_IRQ,
  34         },
  35 };
  36
  37 static struct musb_hdrc_platform_data musb_plat = {
  38 #ifdef CONFIG_USB_MUSB_OTG
  39         .mode           = MUSB_OTG,
  40 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
  41         .mode           = MUSB_HOST,
  42 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
  43         .mode           = MUSB_PERIPHERAL,
  44 #endif
  45         .multipoint     = 1,
  46 };
  47
  48 static u64 musb_dmamask = ~(u32)0;
  49
  50 static struct platform_device musb_device = {
  51         .name           = "musb_hdrc",
  52         .id             = 0,
  53         .dev = {
  54                 .dma_mask               = &musb_dmamask,
  55                 .coherent_dma_mask      = 0xffffffff,
  56                 .platform_data          = &musb_plat,
  57         },
  58         .num_resources  = ARRAY_SIZE(musb_resources),
  59         .resource       = musb_resources,
  60 };
  61
  62 void __init sdp2430_usb_init(void)
  63 {
  64         if (platform_device_register(&musb_device) < 0) {
  65                 printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");
  66                 return;
  67         }
  68 }
  69