release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-pxa/palmtx.c

   1 /*
   2  * Hardware definitions for PalmTX
   3  *
   4  * Author:     Marek Vasut <marek.vasut@gmail.com>
   5  *
   6  * Based on work of:
   7  *              Alex Osborne <ato@meshy.org>
   8  *              Cristiano P. <cristianop@users.sourceforge.net>
   9  *              Jan Herman <2hp@seznam.cz>
  10  *              Michal Hrusecky
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  *
  16  * (find more info at www.hackndev.com)
  17  *
  18  */
  19
  20 #include <linux/platform_device.h>
  21 #include <linux/delay.h>
  22 #include <linux/irq.h>
  23 #include <linux/gpio_keys.h>
  24 #include <linux/input.h>
  25 #include <linux/pda_power.h>
  26 #include <linux/pwm_backlight.h>
  27 #include <linux/gpio.h>
  28 #include <linux/wm97xx.h>
  29 #include <linux/power_supply.h>
  30 #include <linux/usb/gpio_vbus.h>
  31 #include <linux/mtd/nand.h>
  32 #include <linux/mtd/partitions.h>
  33 #include <linux/mtd/mtd.h>
  34 #include <linux/mtd/physmap.h>
  35
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/map.h>
  39
  40 #include <mach/pxa27x.h>
  41 #include <mach/audio.h>
  42 #include <mach/palmtx.h>
  43 #include <mach/mmc.h>
  44 #include <mach/pxafb.h>
  45 #include <mach/irda.h>
  46 #include <mach/pxa27x_keypad.h>
  47 #include <mach/udc.h>
  48 #include <mach/palmasoc.h>
  49 #include <mach/palm27x.h>
  50
  51 #include "generic.h"
  52 #include "devices.h"
  53
  54 /******************************************************************************
  55  * Pin configuration
  56  ******************************************************************************/
  57 static unsigned long palmtx_pin_config[] __initdata = {
  58         /* MMC */
  59         GPIO32_MMC_CLK,
  60         GPIO92_MMC_DAT_0,
  61         GPIO109_MMC_DAT_1,
  62         GPIO110_MMC_DAT_2,
  63         GPIO111_MMC_DAT_3,
  64         GPIO112_MMC_CMD,
  65         GPIO14_GPIO,    /* SD detect */
  66         GPIO114_GPIO,   /* SD power */
  67         GPIO115_GPIO,   /* SD r/o switch */
  68
  69         /* AC97 */
  70         GPIO28_AC97_BITCLK,
  71         GPIO29_AC97_SDATA_IN_0,
  72         GPIO30_AC97_SDATA_OUT,
  73         GPIO31_AC97_SYNC,
  74         GPIO89_AC97_SYSCLK,
  75         GPIO95_AC97_nRESET,
  76
  77         /* IrDA */
  78         GPIO40_GPIO,    /* ir disable */
  79         GPIO46_FICP_RXD,
  80         GPIO47_FICP_TXD,
  81
  82         /* PWM */
  83         GPIO16_PWM0_OUT,
  84
  85         /* USB */
  86         GPIO13_GPIO,    /* usb detect */
  87         GPIO93_GPIO,    /* usb power */
  88
  89         /* PCMCIA */
  90         GPIO48_nPOE,
  91         GPIO49_nPWE,
  92         GPIO50_nPIOR,
  93         GPIO51_nPIOW,
  94         GPIO85_nPCE_1,
  95         GPIO54_nPCE_2,
  96         GPIO79_PSKTSEL,
  97         GPIO55_nPREG,
  98         GPIO56_nPWAIT,
  99         GPIO57_nIOIS16,
 100         GPIO94_GPIO,    /* wifi power 1 */
 101         GPIO108_GPIO,   /* wifi power 2 */
 102         GPIO116_GPIO,   /* wifi ready */
 103
 104         /* MATRIX KEYPAD */
 105         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
 106         GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
 107         GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
 108         GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
 109         GPIO103_KP_MKOUT_0,
 110         GPIO104_KP_MKOUT_1,
 111         GPIO105_KP_MKOUT_2,
 112
 113         /* LCD */
 114         GPIOxx_LCD_TFT_16BPP,
 115
 116         /* FFUART */
 117         GPIO34_FFUART_RXD,
 118         GPIO39_FFUART_TXD,
 119
 120         /* NAND */
 121         GPIO15_nCS_1,
 122         GPIO18_RDY,
 123
 124         /* MISC. */
 125         GPIO10_GPIO,    /* hotsync button */
 126         GPIO12_GPIO,    /* power detect */
 127         GPIO107_GPIO,   /* earphone detect */
 128 };
 129
 130 /******************************************************************************
 131  * NOR Flash
 132  ******************************************************************************/
 133 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 134 static struct mtd_partition palmtx_partitions[] = {
 135         {
 136                 .name           = "Flash",
 137                 .offset         = 0x00000000,
 138                 .size           = MTDPART_SIZ_FULL,
 139                 .mask_flags     = 0
 140         }
 141 };
 142
 143 static struct physmap_flash_data palmtx_flash_data[] = {
 144         {
 145                 .width          = 2,                    /* bankwidth in bytes */
 146                 .parts          = palmtx_partitions,
 147                 .nr_parts       = ARRAY_SIZE(palmtx_partitions)
 148         }
 149 };
 150
 151 static struct resource palmtx_flash_resource = {
 152         .start  = PXA_CS0_PHYS,
 153         .end    = PXA_CS0_PHYS + SZ_8M - 1,
 154         .flags  = IORESOURCE_MEM,
 155 };
 156
 157 static struct platform_device palmtx_flash = {
 158         .name           = "physmap-flash",
 159         .id             = 0,
 160         .resource       = &palmtx_flash_resource,
 161         .num_resources  = 1,
 162         .dev            = {
 163                 .platform_data = palmtx_flash_data,
 164         },
 165 };
 166
 167 static void __init palmtx_nor_init(void)
 168 {
 169         platform_device_register(&palmtx_flash);
 170 }
 171 #else
 172 static inline void palmtx_nor_init(void) {}
 173 #endif
 174
 175 /******************************************************************************
 176  * GPIO keyboard
 177  ******************************************************************************/
 178 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 179 static unsigned int palmtx_matrix_keys[] = {
 180         KEY(0, 0, KEY_POWER),
 181         KEY(0, 1, KEY_F1),
 182         KEY(0, 2, KEY_ENTER),
 183
 184         KEY(1, 0, KEY_F2),
 185         KEY(1, 1, KEY_F3),
 186         KEY(1, 2, KEY_F4),
 187
 188         KEY(2, 0, KEY_UP),
 189         KEY(2, 2, KEY_DOWN),
 190
 191         KEY(3, 0, KEY_RIGHT),
 192         KEY(3, 2, KEY_LEFT),
 193 };
 194
 195 static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
 196         .matrix_key_rows        = 4,
 197         .matrix_key_cols        = 3,
 198         .matrix_key_map         = palmtx_matrix_keys,
 199         .matrix_key_map_size    = ARRAY_SIZE(palmtx_matrix_keys),
 200
 201         .debounce_interval      = 30,
 202 };
 203
 204 static void __init palmtx_kpc_init(void)
 205 {
 206         pxa_set_keypad_info(&palmtx_keypad_platform_data);
 207 }
 208 #else
 209 static inline void palmtx_kpc_init(void) {}
 210 #endif
 211
 212 /******************************************************************************
 213  * GPIO keys
 214  ******************************************************************************/
 215 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 216 static struct gpio_keys_button palmtx_pxa_buttons[] = {
 217         {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
 218 };
 219
 220 static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
 221         .buttons        = palmtx_pxa_buttons,
 222         .nbuttons       = ARRAY_SIZE(palmtx_pxa_buttons),
 223 };
 224
 225 static struct platform_device palmtx_pxa_keys = {
 226         .name   = "gpio-keys",
 227         .id     = -1,
 228         .dev    = {
 229                 .platform_data = &palmtx_pxa_keys_data,
 230         },
 231 };
 232
 233 static void __init palmtx_keys_init(void)
 234 {
 235         platform_device_register(&palmtx_pxa_keys);
 236 }
 237 #else
 238 static inline void palmtx_keys_init(void) {}
 239 #endif
 240
 241 /******************************************************************************
 242  * NAND Flash
 243  ******************************************************************************/
 244 #if defined(CONFIG_MTD_NAND_GPIO) || defined(CONFIG_MTD_NAND_GPIO_MODULE)
 245 static void palmtx_nand_cmd_ctl(struct mtd_info *mtd, int cmd,
 246                                  unsigned int ctrl)
 247 {
 248         struct nand_chip *this = mtd->priv;
 249         unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
 250
 251         if (cmd == NAND_CMD_NONE)
 252                 return;
 253
 254         if (ctrl & NAND_CLE)
 255                 writeb(cmd, PALMTX_NAND_CLE_VIRT);
 256         else if (ctrl & NAND_ALE)
 257                 writeb(cmd, PALMTX_NAND_ALE_VIRT);
 258         else
 259                 writeb(cmd, nandaddr);
 260 }
 261
 262 static struct mtd_partition palmtx_partition_info[] = {
 263         [0] = {
 264                 .name   = "palmtx-0",
 265                 .offset = 0,
 266                 .size   = MTDPART_SIZ_FULL
 267         },
 268 };
 269
 270 static const char *palmtx_part_probes[] = { "cmdlinepart", NULL };
 271
 272 struct platform_nand_data palmtx_nand_platdata = {
 273         .chip   = {
 274                 .nr_chips               = 1,
 275                 .chip_offset            = 0,
 276                 .nr_partitions          = ARRAY_SIZE(palmtx_partition_info),
 277                 .partitions             = palmtx_partition_info,
 278                 .chip_delay             = 20,
 279                 .part_probe_types       = palmtx_part_probes,
 280         },
 281         .ctrl   = {
 282                 .cmd_ctrl       = palmtx_nand_cmd_ctl,
 283         },
 284 };
 285
 286 static struct resource palmtx_nand_resource[] = {
 287         [0]     = {
 288                 .start  = PXA_CS1_PHYS,
 289                 .end    = PXA_CS1_PHYS + SZ_1M - 1,
 290                 .flags  = IORESOURCE_MEM,
 291         },
 292 };
 293
 294 static struct platform_device palmtx_nand = {
 295         .name           = "gen_nand",
 296         .num_resources  = ARRAY_SIZE(palmtx_nand_resource),
 297         .resource       = palmtx_nand_resource,
 298         .id             = -1,
 299         .dev            = {
 300                 .platform_data  = &palmtx_nand_platdata,
 301         }
 302 };
 303
 304 static void __init palmtx_nand_init(void)
 305 {
 306         platform_device_register(&palmtx_nand);
 307 }
 308 #else
 309 static inline void palmtx_nand_init(void) {}
 310 #endif
 311
 312 /******************************************************************************
 313  * Machine init
 314  ******************************************************************************/
 315 static struct map_desc palmtx_io_desc[] __initdata = {
 316 {
 317         .virtual        = PALMTX_PCMCIA_VIRT,
 318         .pfn            = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
 319         .length         = PALMTX_PCMCIA_SIZE,
 320         .type           = MT_DEVICE,
 321 }, {
 322         .virtual        = PALMTX_NAND_ALE_VIRT,
 323         .pfn            = __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
 324         .length         = SZ_1M,
 325         .type           = MT_DEVICE,
 326 }, {
 327         .virtual        = PALMTX_NAND_CLE_VIRT,
 328         .pfn            = __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
 329         .length         = SZ_1M,
 330         .type           = MT_DEVICE,
 331 }
 332 };
 333
 334 static void __init palmtx_map_io(void)
 335 {
 336         pxa_map_io();
 337         iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
 338 }
 339
 340 static void __init palmtx_init(void)
 341 {
 342         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
 343         pxa_set_ffuart_info(NULL);
 344         pxa_set_btuart_info(NULL);
 345         pxa_set_stuart_info(NULL);
 346
 347         palm27x_mmc_init(GPIO_NR_PALMTX_SD_DETECT_N, GPIO_NR_PALMTX_SD_READONLY,
 348                         GPIO_NR_PALMTX_SD_POWER, 0);
 349         palm27x_pm_init(PALMTX_STR_BASE);
 350         palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
 351         palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N,
 352                         GPIO_NR_PALMTX_USB_PULLUP, 1);
 353         palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE);
 354         palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE,
 355                         GPIO_NR_PALMTX_EARPHONE_DETECT, 95);
 356         palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER);
 357         palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1);
 358         palm27x_pmic_init();
 359         palmtx_kpc_init();
 360         palmtx_keys_init();
 361         palmtx_nor_init();
 362         palmtx_nand_init();
 363 }
 364
 365 MACHINE_START(PALMTX, "Palm T|X")
 366         .phys_io        = PALMTX_PHYS_IO_START,
 367         .io_pg_offst    = io_p2v(0x40000000),
 368         .boot_params    = 0xa0000100,
 369         .map_io         = palmtx_map_io,
 370         .init_irq       = pxa27x_init_irq,
 371         .timer          = &pxa_timer,
 372         .init_machine   = palmtx_init
 373 MACHINE_END