arch/arm/mach-pxa/himalaya/himalaya_usb.c

   1 /*
   2  * USB initialisation for Himalaya, the HTC PocketPC.
   3  *
   4  * License: GPL
   5  *
   6  * Author: Luke Kenneth Casson Leighton, Copyright(C) 2004
   7  *
   8  * Copyright(C) 2004, Luke Kenneth Casson Leighton.
   9  *
  10  * History:
  11  *
  12  * 2004-02-19   Luke Kenneth Casson Leighton    created.
  13  *
  14  */
  15 #include <linux/module.h>
  16 #include <linux/init.h>
  17 #include <linux/kernel.h>
  18 #include <linux/tty.h>
  19 #include <linux/sched.h>
  20 #include <linux/delay.h>
  21 #include <linux/device.h>
  22 #include <linux/pm.h>
  23
  24 #include <asm/hardware.h>
  25 #include <asm/setup.h>
  26
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach-types.h>
  29 #include <asm/arch/ipaq.h>
  30 #include <asm/arch/himalaya-gpio.h>
  31
  32 #include <linux/soc/asic3_base.h>
  33
  34 extern struct platform_device himalaya_asic3;
  35
  36 static void himalaya_init_usb (void)
  37 {
  38         /*
  39          * thought to be a power-up sequence for the output.
  40         GPSR(GPIO_NR_HIMALAYA_UART_POWER) = GPIO_bit(GPIO_NR_HIMALAYA_UART_POWER);
  41         asic3_set_gpio_dir_b(&himalaya_asic3.dev, 2, 2);
  42         asic3_set_gpio_out_b(&himalaya_asic3.dev, 2, 2);
  43          */
  44 }
  45
  46
  47 int __init
  48 himalaya_usb_init (void)
  49 {
  50         int rc = 0;
  51
  52         if (! machine_is_himalaya() )
  53                 return -ENODEV;
  54
  55         himalaya_init_usb();
  56
  57         return rc;
  58 }
  59
  60 void __exit
  61 himalaya_usb_exit (void)
  62 {
  63         /* power down usb? */
  64 }
  65
  66 module_init (himalaya_usb_init);
  67 module_exit (himalaya_usb_exit);