kernel/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 <linux/platform_data/mmc-pxamci.h>
  44 #include <linux/platform_data/video-pxafb.h>
  45 #include <linux/platform_data/irda-pxaficp.h>
  46 #include <linux/platform_data/keypad-pxa27x.h>
  47 #include <mach/udc.h>
  48 #include <linux/platform_data/asoc-palm27x.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 const 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 matrix_keymap_data palmtx_matrix_keymap_data = {
 196         .keymap                 = palmtx_matrix_keys,
 197         .keymap_size            = ARRAY_SIZE(palmtx_matrix_keys),
 198 };
 199
 200 static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
 201         .matrix_key_rows        = 4,
 202         .matrix_key_cols        = 3,
 203         .matrix_keymap_data     = &palmtx_matrix_keymap_data,
 204
 205         .debounce_interval      = 30,
 206 };
 207
 208 static void __init palmtx_kpc_init(void)
 209 {
 210         pxa_set_keypad_info(&palmtx_keypad_platform_data);
 211 }
 212 #else
 213 static inline void palmtx_kpc_init(void) {}
 214 #endif
 215
 216 /******************************************************************************
 217  * GPIO keys
 218  ******************************************************************************/
 219 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 220 static struct gpio_keys_button palmtx_pxa_buttons[] = {
 221         {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
 222 };
 223
 224 static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
 225         .buttons        = palmtx_pxa_buttons,
 226         .nbuttons       = ARRAY_SIZE(palmtx_pxa_buttons),
 227 };
 228
 229 static struct platform_device palmtx_pxa_keys = {
 230         .name   = "gpio-keys",
 231         .id     = -1,
 232         .dev    = {
 233                 .platform_data = &palmtx_pxa_keys_data,
 234         },
 235 };
 236
 237 static void __init palmtx_keys_init(void)
 238 {
 239         platform_device_register(&palmtx_pxa_keys);
 240 }
 241 #else
 242 static inline void palmtx_keys_init(void) {}
 243 #endif
 244
 245 /******************************************************************************
 246  * NAND Flash
 247  ******************************************************************************/
 248 #if defined(CONFIG_MTD_NAND_PLATFORM) || \
 249         defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 250 static void palmtx_nand_cmd_ctl(struct mtd_info *mtd, int cmd,
 251                                  unsigned int ctrl)
 252 {
 253         struct nand_chip *this = mtd->priv;
 254         char __iomem *nandaddr = this->IO_ADDR_W;
 255
 256         if (cmd == NAND_CMD_NONE)
 257                 return;
 258
 259         if (ctrl & NAND_CLE)
 260                 writeb(cmd, PALMTX_NAND_CLE_VIRT);
 261         else if (ctrl & NAND_ALE)
 262                 writeb(cmd, PALMTX_NAND_ALE_VIRT);
 263         else
 264                 writeb(cmd, nandaddr);
 265 }
 266
 267 static struct mtd_partition palmtx_partition_info[] = {
 268         [0] = {
 269                 .name   = "palmtx-0",
 270                 .offset = 0,
 271                 .size   = MTDPART_SIZ_FULL
 272         },
 273 };
 274
 275 struct platform_nand_data palmtx_nand_platdata = {
 276         .chip   = {
 277                 .nr_chips               = 1,
 278                 .chip_offset            = 0,
 279                 .nr_partitions          = ARRAY_SIZE(palmtx_partition_info),
 280                 .partitions             = palmtx_partition_info,
 281                 .chip_delay             = 20,
 282         },
 283         .ctrl   = {
 284                 .cmd_ctrl       = palmtx_nand_cmd_ctl,
 285         },
 286 };
 287
 288 static struct resource palmtx_nand_resource[] = {
 289         [0]     = {
 290                 .start  = PXA_CS1_PHYS,
 291                 .end    = PXA_CS1_PHYS + SZ_1M - 1,
 292                 .flags  = IORESOURCE_MEM,
 293         },
 294 };
 295
 296 static struct platform_device palmtx_nand = {
 297         .name           = "gen_nand",
 298         .num_resources  = ARRAY_SIZE(palmtx_nand_resource),
 299         .resource       = palmtx_nand_resource,
 300         .id             = -1,
 301         .dev            = {
 302                 .platform_data  = &palmtx_nand_platdata,
 303         }
 304 };
 305
 306 static void __init palmtx_nand_init(void)
 307 {
 308         platform_device_register(&palmtx_nand);
 309 }
 310 #else
 311 static inline void palmtx_nand_init(void) {}
 312 #endif
 313
 314 /******************************************************************************
 315  * Machine init
 316  ******************************************************************************/
 317 static struct map_desc palmtx_io_desc[] __initdata = {
 318 {
 319         .virtual        = (unsigned long)PALMTX_PCMCIA_VIRT,
 320         .pfn            = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
 321         .length         = PALMTX_PCMCIA_SIZE,
 322         .type           = MT_DEVICE,
 323 }, {
 324         .virtual        = (unsigned long)PALMTX_NAND_ALE_VIRT,
 325         .pfn            = __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
 326         .length         = SZ_1M,
 327         .type           = MT_DEVICE,
 328 }, {
 329         .virtual        = (unsigned long)PALMTX_NAND_CLE_VIRT,
 330         .pfn            = __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
 331         .length         = SZ_1M,
 332         .type           = MT_DEVICE,
 333 }
 334 };
 335
 336 static void __init palmtx_map_io(void)
 337 {
 338         pxa27x_map_io();
 339         iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
 340 }
 341
 342 static void __init palmtx_init(void)
 343 {
 344         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
 345         pxa_set_ffuart_info(NULL);
 346         pxa_set_btuart_info(NULL);
 347         pxa_set_stuart_info(NULL);
 348
 349         palm27x_mmc_init(GPIO_NR_PALMTX_SD_DETECT_N, GPIO_NR_PALMTX_SD_READONLY,
 350                         GPIO_NR_PALMTX_SD_POWER, 0);
 351         palm27x_pm_init(PALMTX_STR_BASE);
 352         palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
 353         palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N,
 354                         GPIO_NR_PALMTX_USB_PULLUP, 1);
 355         palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE);
 356         palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE,
 357                         GPIO_NR_PALMTX_EARPHONE_DETECT, 95);
 358         palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER);
 359         palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1);
 360         palm27x_pmic_init();
 361         palmtx_kpc_init();
 362         palmtx_keys_init();
 363         palmtx_nor_init();
 364         palmtx_nand_init();
 365 }
 366
 367 MACHINE_START(PALMTX, "Palm T|X")
 368         .atag_offset    = 0x100,
 369         .map_io         = palmtx_map_io,
 370         .nr_irqs        = PXA_NR_IRQS,
 371         .init_irq       = pxa27x_init_irq,
 372         .handle_irq     = pxa27x_handle_irq,
 373         .init_time      = pxa_timer_init,
 374         .init_machine   = palmtx_init,
 375         .restart        = pxa_restart,
 376 MACHINE_END