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

   1 /*
   2  * linux/arch/arm/mach-omap1/board-palmte.c
   3  *
   4  * Modified from board-generic.c
   5  *
   6  * Support for the Palm Tungsten E PDA.
   7  *
   8  * Original version : Laurent Gonzalez
   9  *
  10  * Maintainers : http://palmtelinux.sf.net
  11  *                palmtelinux-developpers@lists.sf.net
  12  *
  13  * Copyright (c) 2006 Andrzej Zaborowski  <balrog@zabor.org>
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License version 2 as
  17  * published by the Free Software Foundation.
  18  */
  19 #include <linux/gpio.h>
  20 #include <linux/kernel.h>
  21 #include <linux/init.h>
  22 #include <linux/input.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/mtd/mtd.h>
  25 #include <linux/mtd/partitions.h>
  26 #include <linux/mtd/physmap.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/interrupt.h>
  29 #include <linux/apm-emulation.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35
  36 #include <plat/flash.h>
  37 #include <plat/mux.h>
  38 #include <plat/usb.h>
  39 #include <plat/tc.h>
  40 #include <plat/dma.h>
  41 #include <plat/board.h>
  42 #include <plat/irda.h>
  43 #include <plat/keypad.h>
  44 #include "common.h"
  45
  46 #define PALMTE_USBDETECT_GPIO   0
  47 #define PALMTE_USB_OR_DC_GPIO   1
  48 #define PALMTE_TSC_GPIO         4
  49 #define PALMTE_PINTDAV_GPIO     6
  50 #define PALMTE_MMC_WP_GPIO      8
  51 #define PALMTE_MMC_POWER_GPIO   9
  52 #define PALMTE_HDQ_GPIO         11
  53 #define PALMTE_HEADPHONES_GPIO  14
  54 #define PALMTE_SPEAKER_GPIO     15
  55 #define PALMTE_DC_GPIO          OMAP_MPUIO(2)
  56 #define PALMTE_MMC_SWITCH_GPIO  OMAP_MPUIO(4)
  57 #define PALMTE_MMC1_GPIO        OMAP_MPUIO(6)
  58 #define PALMTE_MMC2_GPIO        OMAP_MPUIO(7)
  59 #define PALMTE_MMC3_GPIO        OMAP_MPUIO(11)
  60
  61 static const unsigned int palmte_keymap[] = {
  62         KEY(0, 0, KEY_F1),              /* Calendar */
  63         KEY(1, 0, KEY_F2),              /* Contacts */
  64         KEY(2, 0, KEY_F3),              /* Tasks List */
  65         KEY(3, 0, KEY_F4),              /* Note Pad */
  66         KEY(4, 0, KEY_POWER),
  67         KEY(0, 1, KEY_LEFT),
  68         KEY(1, 1, KEY_DOWN),
  69         KEY(2, 1, KEY_UP),
  70         KEY(3, 1, KEY_RIGHT),
  71         KEY(4, 1, KEY_ENTER),
  72 };
  73
  74 static const struct matrix_keymap_data palmte_keymap_data = {
  75         .keymap         = palmte_keymap,
  76         .keymap_size    = ARRAY_SIZE(palmte_keymap),
  77 };
  78
  79 static struct omap_kp_platform_data palmte_kp_data = {
  80         .rows   = 8,
  81         .cols   = 8,
  82         .keymap_data = &palmte_keymap_data,
  83         .rep    = true,
  84         .delay  = 12,
  85 };
  86
  87 static struct resource palmte_kp_resources[] = {
  88         [0]     = {
  89                 .start  = INT_KEYBOARD,
  90                 .end    = INT_KEYBOARD,
  91                 .flags  = IORESOURCE_IRQ,
  92         },
  93 };
  94
  95 static struct platform_device palmte_kp_device = {
  96         .name           = "omap-keypad",
  97         .id             = -1,
  98         .dev            = {
  99                 .platform_data  = &palmte_kp_data,
 100         },
 101         .num_resources  = ARRAY_SIZE(palmte_kp_resources),
 102         .resource       = palmte_kp_resources,
 103 };
 104
 105 static struct mtd_partition palmte_rom_partitions[] = {
 106         /* PalmOS "Small ROM", contains the bootloader and the debugger */
 107         {
 108                 .name           = "smallrom",
 109                 .offset         = 0,
 110                 .size           = 0xa000,
 111                 .mask_flags     = MTD_WRITEABLE,
 112         },
 113         /* PalmOS "Big ROM", a filesystem with all the OS code and data */
 114         {
 115                 .name           = "bigrom",
 116                 .offset         = SZ_128K,
 117                 /*
 118                  * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
 119                  * 0x7b0000 bytes in the English-only ("enUS") version.
 120                  */
 121                 .size           = 0x7b0000,
 122                 .mask_flags     = MTD_WRITEABLE,
 123         },
 124 };
 125
 126 static struct physmap_flash_data palmte_rom_data = {
 127         .width          = 2,
 128         .set_vpp        = omap1_set_vpp,
 129         .parts          = palmte_rom_partitions,
 130         .nr_parts       = ARRAY_SIZE(palmte_rom_partitions),
 131 };
 132
 133 static struct resource palmte_rom_resource = {
 134         .start          = OMAP_CS0_PHYS,
 135         .end            = OMAP_CS0_PHYS + SZ_8M - 1,
 136         .flags          = IORESOURCE_MEM,
 137 };
 138
 139 static struct platform_device palmte_rom_device = {
 140         .name           = "physmap-flash",
 141         .id             = -1,
 142         .dev            = {
 143                 .platform_data  = &palmte_rom_data,
 144         },
 145         .num_resources  = 1,
 146         .resource       = &palmte_rom_resource,
 147 };
 148
 149 static struct platform_device palmte_lcd_device = {
 150         .name           = "lcd_palmte",
 151         .id             = -1,
 152 };
 153
 154 static struct omap_backlight_config palmte_backlight_config = {
 155         .default_intensity      = 0xa0,
 156 };
 157
 158 static struct platform_device palmte_backlight_device = {
 159         .name           = "omap-bl",
 160         .id             = -1,
 161         .dev            = {
 162                 .platform_data  = &palmte_backlight_config,
 163         },
 164 };
 165
 166 static struct omap_irda_config palmte_irda_config = {
 167         .transceiver_cap        = IR_SIRMODE,
 168         .rx_channel             = OMAP_DMA_UART3_RX,
 169         .tx_channel             = OMAP_DMA_UART3_TX,
 170         .dest_start             = UART3_THR,
 171         .src_start              = UART3_RHR,
 172         .tx_trigger             = 0,
 173         .rx_trigger             = 0,
 174 };
 175
 176 static struct resource palmte_irda_resources[] = {
 177         [0]     = {
 178                 .start  = INT_UART3,
 179                 .end    = INT_UART3,
 180                 .flags  = IORESOURCE_IRQ,
 181         },
 182 };
 183
 184 static struct platform_device palmte_irda_device = {
 185         .name           = "omapirda",
 186         .id             = -1,
 187         .dev            = {
 188                 .platform_data  = &palmte_irda_config,
 189         },
 190         .num_resources  = ARRAY_SIZE(palmte_irda_resources),
 191         .resource       = palmte_irda_resources,
 192 };
 193
 194 static struct platform_device *palmte_devices[] __initdata = {
 195         &palmte_rom_device,
 196         &palmte_kp_device,
 197         &palmte_lcd_device,
 198         &palmte_backlight_device,
 199         &palmte_irda_device,
 200 };
 201
 202 static struct omap_usb_config palmte_usb_config __initdata = {
 203         .register_dev   = 1,    /* Mini-B only receptacle */
 204         .hmc_mode       = 0,
 205         .pins[0]        = 2,
 206 };
 207
 208 static struct omap_lcd_config palmte_lcd_config __initdata = {
 209         .ctrl_name      = "internal",
 210 };
 211
 212 static struct omap_board_config_kernel palmte_config[] __initdata = {
 213         { OMAP_TAG_LCD,         &palmte_lcd_config },
 214 };
 215
 216 static struct spi_board_info palmte_spi_info[] __initdata = {
 217         {
 218                 .modalias       = "tsc2102",
 219                 .bus_num        = 2,    /* uWire (officially) */
 220                 .chip_select    = 0,    /* As opposed to 3 */
 221                 .irq            = OMAP_GPIO_IRQ(PALMTE_PINTDAV_GPIO),
 222                 .max_speed_hz   = 8000000,
 223         },
 224 };
 225
 226 static void __init palmte_misc_gpio_setup(void)
 227 {
 228         /* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
 229         if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) {
 230                 printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
 231                 return;
 232         }
 233         gpio_direction_input(PALMTE_PINTDAV_GPIO);
 234
 235         /* Set USB-or-DC-IN pin as input (unused) */
 236         if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) {
 237                 printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
 238                 return;
 239         }
 240         gpio_direction_input(PALMTE_USB_OR_DC_GPIO);
 241 }
 242
 243 static void __init omap_palmte_init(void)
 244 {
 245         /* mux pins for uarts */
 246         omap_cfg_reg(UART1_TX);
 247         omap_cfg_reg(UART1_RTS);
 248         omap_cfg_reg(UART2_TX);
 249         omap_cfg_reg(UART2_RTS);
 250         omap_cfg_reg(UART3_TX);
 251         omap_cfg_reg(UART3_RX);
 252
 253         omap_board_config = palmte_config;
 254         omap_board_config_size = ARRAY_SIZE(palmte_config);
 255
 256         platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
 257
 258         spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
 259         palmte_misc_gpio_setup();
 260         omap_serial_init();
 261         omap1_usb_init(&palmte_usb_config);
 262         omap_register_i2c_bus(1, 100, NULL, 0);
 263 }
 264
 265 MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
 266         .atag_offset    = 0x100,
 267         .map_io         = omap15xx_map_io,
 268         .init_early     = omap1_init_early,
 269         .reserve        = omap_reserve,
 270         .init_irq       = omap1_init_irq,
 271         .init_machine   = omap_palmte_init,
 272         .timer          = &omap1_timer,
 273         .restart        = omap1_restart,
 274 MACHINE_END