arch/arm/mach-pxa/htcalpine/htcalpine.c

   1 /*
   2  * linux/arch/arm/mach-pxa/htcalpine/htcalpine.c
   3  *
   4  *  Support for the Intel XScale based Palm PDAs. Only the LifeDrive is
   5  *  supported at the moment.
   6  *
   7  *  Author: Alex Osborne <bobofdoom@gmail.com>
   8  *
   9  *  USB stubs based on aximx30.c (Michael Opdenacker)
  10  *
  11  */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/device.h>
  16 #include <linux/fb.h>
  17 #include <linux/platform_device.h>
  18
  19 #include <asm/mach-types.h>
  20 #include <asm/mach/arch.h>
  21
  22 #include <asm/arch/hardware.h>
  23 #include <asm/arch/pxafb.h>
  24 #include <asm/arch/pxa-regs.h>
  25 #include <asm/arch/udc.h>
  26
  27 #include <asm/arch/htcalpine-gpio.h>
  28
  29 #include "tsc2046_ts.h"
  30
  31 #include "../generic.h"
  32
  33 #define GPSR_BIT(n) (GPSR((n)) = GPIO_bit((n)))
  34 #define GPCR_BIT(n) (GPCR((n)) = GPIO_bit((n)))
  35
  36 static struct pxafb_mach_info htcalpine_lcd __initdata = {
  37         .pixclock               = 115384,
  38         .xres                   = 240,
  39         .yres                   = 320,
  40         .bpp                    = 16,
  41         .hsync_len              = 34,
  42         .vsync_len              = 8,
  43         .left_margin            = 34,
  44         .right_margin           = 34,
  45         .upper_margin           = 7,
  46         .lower_margin           = 7,
  47
  48 //      .sync                   = FB_SYNC_HOR_LOW_ACT|FB_SYNC_VERT_LOW_ACT,
  49
  50         /* fixme: this is a hack, use constants instead. */
  51         .lccr0                  = 0x04000081,
  52         .lccr3                  = 0x04400000,
  53
  54 };
  55
  56 static struct tsc2046_mach_info htcalpine_ts_platform_data = {
  57        .port     = 2,
  58        .clock    = CKEN3_SSP2,
  59        .pwrbit_X = 1,
  60        .pwrbit_Y = 1,
  61        .irq      = HTCALPINE_IRQ(TOUCHPANEL_IRQ_N)
  62 };
  63
  64 static struct platform_device htcalpine_ts        = {
  65        .name = "htcalpine_ts",
  66        .dev  = {
  67               .platform_data = &htcalpine_ts_platform_data,
  68        },
  69 };
  70
  71 static struct platform_device *devices[] __initdata = {
  72         &htcalpine_ts,
  73 //      &htcalpine_flash,
  74 //      &htcalpine_pxa_keys,
  75 };
  76
  77 /****************************************************************
  78  * USB client controller
  79  ****************************************************************/
  80
  81 static void udc_command(int cmd)
  82 {
  83         switch (cmd)
  84         {
  85                 case PXA2XX_UDC_CMD_DISCONNECT:
  86                         printk(KERN_NOTICE "USB cmd disconnect\n");
  87                         GPCR_BIT(GPIO_NR_HTCALPINE_USB_PUEN);
  88                         break;
  89                 case PXA2XX_UDC_CMD_CONNECT:
  90                         printk(KERN_NOTICE "USB cmd connect\n");
  91                         GPSR_BIT(GPIO_NR_HTCALPINE_USB_PUEN);
  92                         break;
  93         }
  94 }
  95
  96 static struct pxa2xx_udc_mach_info htcalpine_udc_mach_info = {
  97         .udc_command      = udc_command,
  98 };
  99
 100 static void __init htcalpine_init(void)
 101 {
 102         set_pxa_fb_info( &htcalpine_lcd );
 103         platform_add_devices( devices, ARRAY_SIZE(devices) );
 104         pxa_set_udc_info( &htcalpine_udc_mach_info );
 105 }
 106
 107 MACHINE_START(HTCALPINE, "HTC Alpine")
 108         .phys_io        = 0x40000000,
 109         .io_pg_offst    = io_p2v(0x40000000),
 110         .boot_params    = 0xa0000100,
 111         .map_io         = pxa_map_io,
 112         .init_irq       = pxa_init_irq,
 113         .timer          = &pxa_timer,
 114         .init_machine   = htcalpine_init,
 115 MACHINE_END
 116