arch/arm/mach-omap1/board-nokia770.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-nokia770.c
   3  *
   4  * Modified from board-generic.c
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/input.h>
  15
  16 #include <linux/spi/spi.h>
  17 #include <linux/spi/ads7846.h>
  18
  19 #include <asm/hardware.h>
  20 #include <asm/mach-types.h>
  21 #include <asm/mach/arch.h>
  22 #include <asm/mach/map.h>
  23
  24 #include <asm/arch/gpio.h>
  25 #include <asm/arch/mux.h>
  26 #include <asm/arch/usb.h>
  27 #include <asm/arch/board.h>
  28 #include <asm/arch/keypad.h>
  29 #include <asm/arch/common.h>
  30
  31 static void __init omap_nokia770_init_irq(void)
  32 {
  33         omap1_init_common_hw();
  34         omap_init_irq();
  35 }
  36
  37 static int nokia770_keymap[] = {
  38         KEY(0, 1, GROUP_0 | KEY_UP),
  39         KEY(0, 2, GROUP_1 | KEY_F5),
  40         KEY(1, 0, GROUP_0 | KEY_LEFT),
  41         KEY(1, 1, GROUP_0 | KEY_ENTER),
  42         KEY(1, 2, GROUP_0 | KEY_RIGHT),
  43         KEY(2, 0, GROUP_1 | KEY_ESC),
  44         KEY(2, 1, GROUP_0 | KEY_DOWN),
  45         KEY(2, 2, GROUP_1 | KEY_F4),
  46         KEY(3, 0, GROUP_2 | KEY_F7),
  47         KEY(3, 1, GROUP_2 | KEY_F8),
  48         KEY(3, 2, GROUP_2 | KEY_F6),
  49         0
  50 };
  51
  52 static struct resource nokia770_kp_resources[] = {
  53         [0] = {
  54                 .start  = INT_KEYBOARD,
  55                 .end    = INT_KEYBOARD,
  56                 .flags  = IORESOURCE_IRQ,
  57         },
  58 };
  59
  60 static struct omap_kp_platform_data nokia770_kp_data = {
  61         .rows   = 8,
  62         .cols   = 8,
  63         .keymap = nokia770_keymap
  64 };
  65
  66 static struct platform_device nokia770_kp_device = {
  67         .name           = "omap-keypad",
  68         .id             = -1,
  69         .dev            = {
  70                 .platform_data = &nokia770_kp_data,
  71         },
  72         .num_resources  = ARRAY_SIZE(nokia770_kp_resources),
  73         .resource       = nokia770_kp_resources,
  74 };
  75
  76 static struct platform_device *nokia770_devices[] __initdata = {
  77         &nokia770_kp_device,
  78 };
  79
  80 static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
  81         .x_max          = 0x0fff,
  82         .y_max          = 0x0fff,
  83         .x_plate_ohms   = 120,
  84         .pressure_max   = 200,
  85
  86 };
  87
  88 static struct spi_board_info nokia770_spi_board_info[] __initdata = {
  89         [0] = {
  90                 .modalias       = "lcd_lph8923",
  91                 .bus_num        = 2,
  92                 .chip_select    = 3,
  93                 .max_speed_hz   = 12000000,
  94         },
  95         [1] = {
  96                 .modalias       = "ads7846",
  97                 .bus_num        = 2,
  98                 .chip_select    = 0,
  99                 .max_speed_hz   = 2500000,
 100                 .irq            = OMAP_GPIO_IRQ(15),
 101                 .platform_data  = &nokia770_ads7846_platform_data,
 102         },
 103 };
 104
 105
 106 /* assume no Mini-AB port */
 107
 108 static struct omap_usb_config nokia770_usb_config __initdata = {
 109         .otg            = 1,
 110         .register_host  = 1,
 111         .register_dev   = 1,
 112         .hmc_mode       = 16,
 113         .pins[0]        = 6,
 114 };
 115
 116 static struct omap_mmc_config nokia770_mmc_config __initdata = {
 117         .mmc[0] = {
 118                 .enabled        = 0,
 119                 .wire4          = 0,
 120                 .wp_pin         = -1,
 121                 .power_pin      = -1,
 122                 .switch_pin     = -1,
 123         },
 124         .mmc[1] = {
 125                 .enabled        = 0,
 126                 .wire4          = 0,
 127                 .wp_pin         = -1,
 128                 .power_pin      = -1,
 129                 .switch_pin     = -1,
 130         },
 131 };
 132
 133 static struct omap_board_config_kernel nokia770_config[] = {
 134         { OMAP_TAG_USB,         NULL },
 135         { OMAP_TAG_MMC,         &nokia770_mmc_config },
 136 };
 137
 138 static void __init omap_nokia770_init(void)
 139 {
 140         nokia770_config[0].data = &nokia770_usb_config;
 141
 142         platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
 143         spi_register_board_info(nokia770_spi_board_info,
 144                                 ARRAY_SIZE(nokia770_spi_board_info));
 145         omap_board_config = nokia770_config;
 146         omap_board_config_size = ARRAY_SIZE(nokia770_config);
 147         omap_serial_init();
 148 }
 149
 150 static void __init omap_nokia770_map_io(void)
 151 {
 152         omap1_map_common_io();
 153 }
 154
 155 MACHINE_START(NOKIA770, "Nokia 770")
 156         .phys_io        = 0xfff00000,
 157         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 158         .boot_params    = 0x10000100,
 159         .map_io         = omap_nokia770_map_io,
 160         .init_irq       = omap_nokia770_init_irq,
 161         .init_machine   = omap_nokia770_init,
 162         .timer          = &omap_timer,
 163 MACHINE_END