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/platnand.h>
  32 #include <linux/mtd/mtd.h>
  33 #include <linux/mtd/physmap.h>
  34
  35 #include <asm/mach-types.h>
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/map.h>
  38
  39 #include "pxa27x.h"
  40 #include <mach/audio.h>
  41 #include <mach/palmtx.h>
  42 #include <linux/platform_data/mmc-pxamci.h>
  43 #include <linux/platform_data/video-pxafb.h>
  44 #include <linux/platform_data/irda-pxaficp.h>
  45 #include <linux/platform_data/keypad-pxa27x.h>
  46 #include "udc.h"
  47 #include <linux/platform_data/asoc-palm27x.h>
  48 #include "palm27x.h"
  49
  50 #include "generic.h"
  51 #include "devices.h"
  52
  53 /******************************************************************************
  54  * Pin configuration
  55  ******************************************************************************/
  56 static unsigned long palmtx_pin_config[] __initdata = {
  57         /* MMC */
  58         GPIO32_MMC_CLK,
  59         GPIO92_MMC_DAT_0,
  60         GPIO109_MMC_DAT_1,
  61         GPIO110_MMC_DAT_2,
  62         GPIO111_MMC_DAT_3,
  63         GPIO112_MMC_CMD,
  64         GPIO14_GPIO,    /* SD detect */
  65         GPIO114_GPIO,   /* SD power */
  66         GPIO115_GPIO,   /* SD r/o switch */
  67
  68         /* AC97 */
  69         GPIO28_AC97_BITCLK,
  70         GPIO29_AC97_SDATA_IN_0,
  71         GPIO30_AC97_SDATA_OUT,
  72         GPIO31_AC97_SYNC,
  73         GPIO89_AC97_SYSCLK,
  74         GPIO95_AC97_nRESET,
  75
  76         /* IrDA */
  77         GPIO40_GPIO,    /* ir disable */
  78         GPIO46_FICP_RXD,
  79         GPIO47_FICP_TXD,
  80
  81         /* PWM */
  82         GPIO16_PWM0_OUT,
  83
  84         /* USB */
  85         GPIO13_GPIO,    /* usb detect */
  86         GPIO93_GPIO,    /* usb power */
  87
  88         /* PCMCIA */
  89         GPIO48_nPOE,
  90         GPIO49_nPWE,
  91         GPIO50_nPIOR,
  92         GPIO51_nPIOW,
  93         GPIO85_nPCE_1,
  94         GPIO54_nPCE_2,
  95         GPIO79_PSKTSEL,
  96         GPIO55_nPREG,
  97         GPIO56_nPWAIT,
  98         GPIO57_nIOIS16,
  99         GPIO94_GPIO,    /* wifi power 1 */
 100         GPIO108_GPIO,   /* wifi power 2 */
 101         GPIO116_GPIO,   /* wifi ready */
 102
 103         /* MATRIX KEYPAD */
 104         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
 105         GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
 106         GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
 107         GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
 108         GPIO103_KP_MKOUT_0,
 109         GPIO104_KP_MKOUT_1,
 110         GPIO105_KP_MKOUT_2,
 111
 112         /* LCD */
 113         GPIOxx_LCD_TFT_16BPP,
 114
 115         /* FFUART */
 116         GPIO34_FFUART_RXD,
 117         GPIO39_FFUART_TXD,
 118
 119         /* NAND */
 120         GPIO15_nCS_1,
 121         GPIO18_RDY,
 122
 123         /* MISC. */
 124         GPIO10_GPIO,    /* hotsync button */
 125         GPIO12_GPIO,    /* power detect */
 126         GPIO107_GPIO,   /* earphone detect */
 127 };
 128
 129 /******************************************************************************
 130  * NOR Flash
 131  ******************************************************************************/
 132 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 133 static struct mtd_partition palmtx_partitions[] = {
 134         {
 135                 .name           = "Flash",
 136                 .offset         = 0x00000000,
 137                 .size           = MTDPART_SIZ_FULL,
 138                 .mask_flags     = 0
 139         }
 140 };
 141
 142 static struct physmap_flash_data palmtx_flash_data[] = {
 143         {
 144                 .width          = 2,                    /* bankwidth in bytes */
 145                 .parts          = palmtx_partitions,
 146                 .nr_parts       = ARRAY_SIZE(palmtx_partitions)
 147         }
 148 };
 149
 150 static struct resource palmtx_flash_resource = {
 151         .start  = PXA_CS0_PHYS,
 152         .end    = PXA_CS0_PHYS + SZ_8M - 1,
 153         .flags  = IORESOURCE_MEM,
 154 };
 155
 156 static struct platform_device palmtx_flash = {
 157         .name           = "physmap-flash",
 158         .id             = 0,
 159         .resource       = &palmtx_flash_resource,
 160         .num_resources  = 1,
 161         .dev            = {
 162                 .platform_data = palmtx_flash_data,
 163         },
 164 };
 165
 166 static void __init palmtx_nor_init(void)
 167 {
 168         platform_device_register(&palmtx_flash);
 169 }
 170 #else
 171 static inline void palmtx_nor_init(void) {}
 172 #endif
 173
 174 /******************************************************************************
 175  * GPIO keyboard
 176  ******************************************************************************/
 177 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 178 static const unsigned int palmtx_matrix_keys[] = {
 179         KEY(0, 0, KEY_POWER),
 180         KEY(0, 1, KEY_F1),
 181         KEY(0, 2, KEY_ENTER),
 182
 183         KEY(1, 0, KEY_F2),
 184         KEY(1, 1, KEY_F3),
 185         KEY(1, 2, KEY_F4),
 186
 187         KEY(2, 0, KEY_UP),
 188         KEY(2, 2, KEY_DOWN),
 189
 190         KEY(3, 0, KEY_RIGHT),
 191         KEY(3, 2, KEY_LEFT),
 192 };
 193
 194 static struct matrix_keymap_data palmtx_matrix_keymap_data = {
 195         .keymap                 = palmtx_matrix_keys,
 196         .keymap_size            = ARRAY_SIZE(palmtx_matrix_keys),
 197 };
 198
 199 static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
 200         .matrix_key_rows        = 4,
 201         .matrix_key_cols        = 3,
 202         .matrix_keymap_data     = &palmtx_matrix_keymap_data,
 203
 204         .debounce_interval      = 30,
 205 };
 206
 207 static void __init palmtx_kpc_init(void)
 208 {
 209         pxa_set_keypad_info(&palmtx_keypad_platform_data);
 210 }
 211 #else
 212 static inline void palmtx_kpc_init(void) {}
 213 #endif
 214
 215 /******************************************************************************
 216  * GPIO keys
 217  ******************************************************************************/
 218 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 219 static struct gpio_keys_button palmtx_pxa_buttons[] = {
 220         {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
 221 };
 222
 223 static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
 224         .buttons        = palmtx_pxa_buttons,
 225         .nbuttons       = ARRAY_SIZE(palmtx_pxa_buttons),
 226 };
 227
 228 static struct platform_device palmtx_pxa_keys = {
 229         .name   = "gpio-keys",
 230         .id     = -1,
 231         .dev    = {
 232                 .platform_data = &palmtx_pxa_keys_data,
 233         },
 234 };
 235
 236 static void __init palmtx_keys_init(void)
 237 {
 238         platform_device_register(&palmtx_pxa_keys);
 239 }
 240 #else
 241 static inline void palmtx_keys_init(void) {}
 242 #endif
 243
 244 /******************************************************************************
 245  * NAND Flash
 246  ******************************************************************************/
 247 #if defined(CONFIG_MTD_NAND_PLATFORM) || \
 248         defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 249 static void palmtx_nand_cmd_ctl(struct nand_chip *this, int cmd,
 250                                 unsigned int ctrl)
 251 {
 252         char __iomem *nandaddr = this->legacy.IO_ADDR_W;
 253
 254         if (cmd == NAND_CMD_NONE)
 255                 return;
 256
 257         if (ctrl & NAND_CLE)
 258                 writeb(cmd, PALMTX_NAND_CLE_VIRT);
 259         else if (ctrl & NAND_ALE)
 260                 writeb(cmd, PALMTX_NAND_ALE_VIRT);
 261         else
 262                 writeb(cmd, nandaddr);
 263 }
 264
 265 static struct mtd_partition palmtx_partition_info[] = {
 266         [0] = {
 267                 .name   = "palmtx-0",
 268                 .offset = 0,
 269                 .size   = MTDPART_SIZ_FULL
 270         },
 271 };
 272
 273 struct platform_nand_data palmtx_nand_platdata = {
 274         .chip   = {
 275                 .nr_chips               = 1,
 276                 .chip_offset            = 0,
 277                 .nr_partitions          = ARRAY_SIZE(palmtx_partition_info),
 278                 .partitions             = palmtx_partition_info,
 279                 .chip_delay             = 20,
 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        = (unsigned long)PALMTX_PCMCIA_VIRT,
 318         .pfn            = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
 319         .length         = PALMTX_PCMCIA_SIZE,
 320         .type           = MT_DEVICE,
 321 }, {
 322         .virtual        = (unsigned long)PALMTX_NAND_ALE_VIRT,
 323         .pfn            = __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
 324         .length         = SZ_1M,
 325         .type           = MT_DEVICE,
 326 }, {
 327         .virtual        = (unsigned long)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         pxa27x_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         .atag_offset    = 0x100,
 367         .map_io         = palmtx_map_io,
 368         .nr_irqs        = PXA_NR_IRQS,
 369         .init_irq       = pxa27x_init_irq,
 370         .handle_irq     = pxa27x_handle_irq,
 371         .init_time      = pxa_timer_init,
 372         .init_machine   = palmtx_init,
 373         .restart        = pxa_restart,
 374 MACHINE_END