linux/arch/arm/mach-omap1/board-palmte.c
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   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#include <linux/omapfb.h>
  31#include <linux/platform_data/omap1_bl.h>
  32
  33#include <asm/mach-types.h>
  34#include <asm/mach/arch.h>
  35#include <asm/mach/map.h>
  36
  37#include "flash.h"
  38#include <mach/mux.h>
  39#include <mach/tc.h>
  40#include <linux/omap-dma.h>
  41#include <linux/platform_data/keypad-omap.h>
  42
  43#include <mach/hardware.h>
  44#include <mach/usb.h>
  45
  46#include "common.h"
  47
  48#define PALMTE_USBDETECT_GPIO   0
  49#define PALMTE_USB_OR_DC_GPIO   1
  50#define PALMTE_TSC_GPIO         4
  51#define PALMTE_PINTDAV_GPIO     6
  52#define PALMTE_MMC_WP_GPIO      8
  53#define PALMTE_MMC_POWER_GPIO   9
  54#define PALMTE_HDQ_GPIO         11
  55#define PALMTE_HEADPHONES_GPIO  14
  56#define PALMTE_SPEAKER_GPIO     15
  57#define PALMTE_DC_GPIO          OMAP_MPUIO(2)
  58#define PALMTE_MMC_SWITCH_GPIO  OMAP_MPUIO(4)
  59#define PALMTE_MMC1_GPIO        OMAP_MPUIO(6)
  60#define PALMTE_MMC2_GPIO        OMAP_MPUIO(7)
  61#define PALMTE_MMC3_GPIO        OMAP_MPUIO(11)
  62
  63static const unsigned int palmte_keymap[] = {
  64        KEY(0, 0, KEY_F1),              /* Calendar */
  65        KEY(1, 0, KEY_F2),              /* Contacts */
  66        KEY(2, 0, KEY_F3),              /* Tasks List */
  67        KEY(3, 0, KEY_F4),              /* Note Pad */
  68        KEY(4, 0, KEY_POWER),
  69        KEY(0, 1, KEY_LEFT),
  70        KEY(1, 1, KEY_DOWN),
  71        KEY(2, 1, KEY_UP),
  72        KEY(3, 1, KEY_RIGHT),
  73        KEY(4, 1, KEY_ENTER),
  74};
  75
  76static const struct matrix_keymap_data palmte_keymap_data = {
  77        .keymap         = palmte_keymap,
  78        .keymap_size    = ARRAY_SIZE(palmte_keymap),
  79};
  80
  81static struct omap_kp_platform_data palmte_kp_data = {
  82        .rows   = 8,
  83        .cols   = 8,
  84        .keymap_data = &palmte_keymap_data,
  85        .rep    = true,
  86        .delay  = 12,
  87};
  88
  89static struct resource palmte_kp_resources[] = {
  90        [0]     = {
  91                .start  = INT_KEYBOARD,
  92                .end    = INT_KEYBOARD,
  93                .flags  = IORESOURCE_IRQ,
  94        },
  95};
  96
  97static struct platform_device palmte_kp_device = {
  98        .name           = "omap-keypad",
  99        .id             = -1,
 100        .dev            = {
 101                .platform_data  = &palmte_kp_data,
 102        },
 103        .num_resources  = ARRAY_SIZE(palmte_kp_resources),
 104        .resource       = palmte_kp_resources,
 105};
 106
 107static struct mtd_partition palmte_rom_partitions[] = {
 108        /* PalmOS "Small ROM", contains the bootloader and the debugger */
 109        {
 110                .name           = "smallrom",
 111                .offset         = 0,
 112                .size           = 0xa000,
 113                .mask_flags     = MTD_WRITEABLE,
 114        },
 115        /* PalmOS "Big ROM", a filesystem with all the OS code and data */
 116        {
 117                .name           = "bigrom",
 118                .offset         = SZ_128K,
 119                /*
 120                 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
 121                 * 0x7b0000 bytes in the English-only ("enUS") version.
 122                 */
 123                .size           = 0x7b0000,
 124                .mask_flags     = MTD_WRITEABLE,
 125        },
 126};
 127
 128static struct physmap_flash_data palmte_rom_data = {
 129        .width          = 2,
 130        .set_vpp        = omap1_set_vpp,
 131        .parts          = palmte_rom_partitions,
 132        .nr_parts       = ARRAY_SIZE(palmte_rom_partitions),
 133};
 134
 135static struct resource palmte_rom_resource = {
 136        .start          = OMAP_CS0_PHYS,
 137        .end            = OMAP_CS0_PHYS + SZ_8M - 1,
 138        .flags          = IORESOURCE_MEM,
 139};
 140
 141static struct platform_device palmte_rom_device = {
 142        .name           = "physmap-flash",
 143        .id             = -1,
 144        .dev            = {
 145                .platform_data  = &palmte_rom_data,
 146        },
 147        .num_resources  = 1,
 148        .resource       = &palmte_rom_resource,
 149};
 150
 151static struct platform_device palmte_lcd_device = {
 152        .name           = "lcd_palmte",
 153        .id             = -1,
 154};
 155
 156static struct omap_backlight_config palmte_backlight_config = {
 157        .default_intensity      = 0xa0,
 158};
 159
 160static struct platform_device palmte_backlight_device = {
 161        .name           = "omap-bl",
 162        .id             = -1,
 163        .dev            = {
 164                .platform_data  = &palmte_backlight_config,
 165        },
 166};
 167
 168static struct platform_device *palmte_devices[] __initdata = {
 169        &palmte_rom_device,
 170        &palmte_kp_device,
 171        &palmte_lcd_device,
 172        &palmte_backlight_device,
 173};
 174
 175static struct omap_usb_config palmte_usb_config __initdata = {
 176        .register_dev   = 1,    /* Mini-B only receptacle */
 177        .hmc_mode       = 0,
 178        .pins[0]        = 2,
 179};
 180
 181static struct omap_lcd_config palmte_lcd_config __initdata = {
 182        .ctrl_name      = "internal",
 183};
 184
 185static struct spi_board_info palmte_spi_info[] __initdata = {
 186        {
 187                .modalias       = "tsc2102",
 188                .bus_num        = 2,    /* uWire (officially) */
 189                .chip_select    = 0,    /* As opposed to 3 */
 190                .max_speed_hz   = 8000000,
 191        },
 192};
 193
 194static void __init palmte_misc_gpio_setup(void)
 195{
 196        /* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
 197        if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) {
 198                printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
 199                return;
 200        }
 201        gpio_direction_input(PALMTE_PINTDAV_GPIO);
 202
 203        /* Set USB-or-DC-IN pin as input (unused) */
 204        if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) {
 205                printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
 206                return;
 207        }
 208        gpio_direction_input(PALMTE_USB_OR_DC_GPIO);
 209}
 210
 211static void __init omap_palmte_init(void)
 212{
 213        /* mux pins for uarts */
 214        omap_cfg_reg(UART1_TX);
 215        omap_cfg_reg(UART1_RTS);
 216        omap_cfg_reg(UART2_TX);
 217        omap_cfg_reg(UART2_RTS);
 218        omap_cfg_reg(UART3_TX);
 219        omap_cfg_reg(UART3_RX);
 220
 221        platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
 222
 223        palmte_spi_info[0].irq = gpio_to_irq(PALMTE_PINTDAV_GPIO);
 224        spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
 225        palmte_misc_gpio_setup();
 226        omap_serial_init();
 227        omap1_usb_init(&palmte_usb_config);
 228        omap_register_i2c_bus(1, 100, NULL, 0);
 229
 230        omapfb_set_lcd_config(&palmte_lcd_config);
 231}
 232
 233MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
 234        .atag_offset    = 0x100,
 235        .map_io         = omap15xx_map_io,
 236        .init_early     = omap1_init_early,
 237        .init_irq       = omap1_init_irq,
 238        .handle_irq     = omap1_handle_irq,
 239        .init_machine   = omap_palmte_init,
 240        .init_late      = omap1_init_late,
 241        .init_time      = omap1_timer_init,
 242        .restart        = omap1_restart,
 243MACHINE_END
 244