target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-qi_lb60.c

   1 /*
   2  * linux/arch/mips/jz4740/board-qi_lb60.c
   3  *
   4  * QI_LB60 setup routines.
   5  *
   6  * Copyright (c) 2009 Qi Hardware inc.,
   7  * Author: Xiangfu Liu <xiangfu@qi-hardware.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 or later
  11  * as published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/gpio.h>
  17
  18 #include <asm/mach-jz4740/board-qi_lb60.h>
  19 #include <asm/mach-jz4740/platform.h>
  20
  21 #include <linux/input.h>
  22 #include <linux/gpio_keys.h>
  23 #include <linux/mtd/jz4740_nand.h>
  24 #include <linux/jz4740_fb.h>
  25 #include <linux/input/matrix_keypad.h>
  26 #include <linux/mtd/jz4740_nand.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/spi/spi_gpio.h>
  29 #include <linux/power_supply.h>
  30 #include <linux/power/jz4740-battery.h>
  31 #include <linux/power/gpio-charger.h>
  32 #include <linux/mmc/jz4740_mmc.h>
  33
  34
  35 /* NAND */
  36 static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
  37         .eccbytes = 36,
  38         .eccpos = {
  39                 6,  7,  8,  9,  10, 11, 12, 13,
  40                 14, 15, 16, 17, 18, 19, 20, 21,
  41                 22, 23, 24, 25, 26, 27, 28, 29,
  42                 30, 31, 32, 33, 34, 35, 36, 37,
  43                 38, 39, 40, 41},
  44         .oobfree = {
  45                 {.offset = 2,
  46                  .length = 4},
  47                 {.offset = 42,
  48                  .length = 22}}
  49 };
  50
  51 static struct mtd_partition qi_lb60_partitions_1gb[] = {
  52         { .name = "NAND BOOT partition",
  53           .offset = 0 * 0x100000,
  54           .size = 4 * 0x100000,
  55         },
  56         { .name = "NAND KERNEL partition",
  57           .offset = 4 * 0x100000,
  58           .size = 4 * 0x100000,
  59         },
  60         { .name = "NAND ROOTFS partition",
  61           .offset = 8 * 0x100000,
  62           .size = (504 + 512) * 0x100000,
  63         },
  64 };
  65
  66 static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
  67         .eccbytes = 72,
  68         .eccpos = {
  69                 12, 13, 14, 15, 16, 17, 18, 19,
  70                 20, 21, 22, 23, 24, 25, 26, 27,
  71                 28, 29, 30, 31, 32, 33, 34, 35,
  72                 36, 37, 38, 39, 40, 41, 42, 43,
  73                 44, 45, 46, 47, 48, 49, 50, 51,
  74                 52, 53, 54, 55, 56, 57, 58, 59,
  75                 60, 61, 62, 63, 64, 65, 66, 67,
  76                 68, 69, 70, 71, 72, 73, 74, 75,
  77                 76, 77, 78, 79, 80, 81, 82, 83},
  78         .oobfree = {
  79                 {.offset = 2,
  80                  .length = 10},
  81                 {.offset = 84,
  82                  .length = 44}}
  83 };
  84
  85 static struct mtd_partition qi_lb60_partitions_2gb[] = {
  86         { .name = "NAND BOOT partition",
  87           .offset = 0 * 0x100000,
  88           .size = 4 * 0x100000,
  89         },
  90         { .name = "NAND KERNEL partition",
  91           .offset = 4 * 0x100000,
  92           .size = 4 * 0x100000,
  93         },
  94         { .name = "NAND ROOTFS partition",
  95           .offset = 8 * 0x100000,
  96           .size = (504 + 512 + 1024) * 0x100000,
  97         },
  98 };
  99
 100 static void qi_lb60_nand_ident(struct platform_device *pdev,
 101                                 struct nand_chip *chip,
 102                                 struct mtd_partition **partitions,
 103                                 int *num_partitions)
 104 {
 105         if (chip->page_shift == 12) {
 106                 chip->ecc.layout = &qi_lb60_ecclayout_2gb;
 107                 *partitions = qi_lb60_partitions_2gb;
 108                 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
 109         } else {
 110                 chip->ecc.layout = &qi_lb60_ecclayout_1gb;
 111                 *partitions = qi_lb60_partitions_1gb;
 112                 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
 113         }
 114 }
 115
 116 static struct jz_nand_platform_data qi_lb60_nand_pdata = {
 117         .ident_callback = qi_lb60_nand_ident,
 118         .busy_gpio = 94,
 119 };
 120
 121
 122 /* Keyboard*/
 123
 124 /* #define KEEP_UART_ALIVE
 125  * don't define this. the keyboard and keyboard both work
 126  */
 127
 128 #define KEY_QI_QI       KEY_F13
 129 #define KEY_QI_UPRED    KEY_RIGHTALT
 130 #define KEY_QI_VOLUP    KEY_VOLUMEUP
 131 #define KEY_QI_VOLDOWN  KEY_VOLUMEDOWN
 132 #define KEY_QI_FN       KEY_LEFTCTRL
 133
 134 static const uint32_t qi_lb60_keymap[] = {
 135         KEY(0, 0, KEY_F1),      /* S2 */
 136         KEY(0, 1, KEY_F2),      /* S3 */
 137         KEY(0, 2, KEY_F3),      /* S4 */
 138         KEY(0, 3, KEY_F4),      /* S5 */
 139         KEY(0, 4, KEY_F5),      /* S6 */
 140         KEY(0, 5, KEY_F6),      /* S7 */
 141         KEY(0, 6, KEY_F7),      /* S8 */
 142
 143         KEY(1, 0, KEY_Q),       /* S10 */
 144         KEY(1, 1, KEY_W),       /* S11 */
 145         KEY(1, 2, KEY_E),       /* S12 */
 146         KEY(1, 3, KEY_R),       /* S13 */
 147         KEY(1, 4, KEY_T),       /* S14 */
 148         KEY(1, 5, KEY_Y),       /* S15 */
 149         KEY(1, 6, KEY_U),       /* S16 */
 150         KEY(1, 7, KEY_I),       /* S17 */
 151         KEY(2, 0, KEY_A),       /* S18 */
 152         KEY(2, 1, KEY_S),       /* S19 */
 153         KEY(2, 2, KEY_D),       /* S20 */
 154         KEY(2, 3, KEY_F),       /* S21 */
 155         KEY(2, 4, KEY_G),       /* S22 */
 156         KEY(2, 5, KEY_H),       /* S23 */
 157         KEY(2, 6, KEY_J),       /* S24 */
 158         KEY(2, 7, KEY_K),       /* S25 */
 159         KEY(3, 0, KEY_ESC),     /* S26 */
 160         KEY(3, 1, KEY_Z),       /* S27 */
 161         KEY(3, 2, KEY_X),       /* S28 */
 162         KEY(3, 3, KEY_C),       /* S29 */
 163         KEY(3, 4, KEY_V),       /* S30 */
 164         KEY(3, 5, KEY_B),       /* S31 */
 165         KEY(3, 6, KEY_N),       /* S32 */
 166         KEY(3, 7, KEY_M),       /* S33 */
 167         KEY(4, 0, KEY_TAB),     /* S34 */
 168         KEY(4, 1, KEY_CAPSLOCK),        /* S35 */
 169         KEY(4, 2, KEY_BACKSLASH),       /* S36 */
 170         KEY(4, 3, KEY_APOSTROPHE),      /* S37 */
 171         KEY(4, 4, KEY_COMMA),   /* S38 */
 172         KEY(4, 5, KEY_DOT),     /* S39 */
 173         KEY(4, 6, KEY_SLASH),   /* S40 */
 174         KEY(4, 7, KEY_UP),      /* S41 */
 175         KEY(5, 0, KEY_O),       /* S42 */
 176         KEY(5, 1, KEY_L),       /* S43 */
 177         KEY(5, 2, KEY_EQUAL),   /* S44 */
 178         KEY(5, 3, KEY_QI_UPRED),        /* S45 */
 179         KEY(5, 4, KEY_SPACE),   /* S46 */
 180         KEY(5, 5, KEY_QI_QI),   /* S47 */
 181         KEY(5, 6, KEY_RIGHTCTRL),       /* S48 */
 182         KEY(5, 7, KEY_LEFT),    /* S49 */
 183         KEY(6, 0, KEY_F8),      /* S50 */
 184         KEY(6, 1, KEY_P),       /* S51 */
 185         KEY(6, 2, KEY_BACKSPACE),/* S52 */
 186         KEY(6, 3, KEY_ENTER),   /* S53 */
 187         KEY(6, 4, KEY_QI_VOLUP),        /* S54 */
 188         KEY(6, 5, KEY_QI_VOLDOWN),      /* S55 */
 189         KEY(6, 6, KEY_DOWN),    /* S56 */
 190         KEY(6, 7, KEY_RIGHT),   /* S57 */
 191
 192 #ifndef KEEP_UART_ALIVE
 193         KEY(7, 0, KEY_LEFTSHIFT),       /* S58 */
 194         KEY(7, 1, KEY_LEFTALT), /* S59 */
 195         KEY(7, 2, KEY_QI_FN),   /* S60 */
 196 #endif
 197 };
 198
 199 static const struct matrix_keymap_data qi_lb60_keymap_data = {
 200         .keymap         = qi_lb60_keymap,
 201         .keymap_size    = ARRAY_SIZE(qi_lb60_keymap),
 202 };
 203
 204 static const unsigned int qi_lb60_keypad_cols[] = {
 205         74, 75, 76, 77, 78, 79, 80, 81,
 206 };
 207
 208 static const unsigned int qi_lb60_keypad_rows[] = {
 209         114, 115, 116, 117, 118, 119, 120,
 210 #ifndef KEEP_UART_ALIVE
 211         122,
 212 #endif
 213 };
 214
 215 static struct matrix_keypad_platform_data qi_lb60_pdata = {
 216         .keymap_data = &qi_lb60_keymap_data,
 217         .col_gpios      = qi_lb60_keypad_cols,
 218         .row_gpios      = qi_lb60_keypad_rows,
 219         .num_col_gpios  = ARRAY_SIZE(qi_lb60_keypad_cols),
 220         .num_row_gpios  = ARRAY_SIZE(qi_lb60_keypad_rows),
 221         .col_scan_delay_us      = 10,
 222         .debounce_ms            = 10,
 223         .wakeup                 = 1,
 224         .active_low             = 1,
 225 };
 226
 227 static struct platform_device qi_lb60_keypad = {
 228         .name           = "matrix-keypad",
 229         .id             = -1,
 230         .dev            = {
 231                 .platform_data = &qi_lb60_pdata,
 232         },
 233 };
 234
 235 /* Display */
 236 static struct fb_videomode qi_lb60_video_modes[] = {
 237         {
 238                 .name = "320x240",
 239                 .xres = 320,
 240                 .yres = 240,
 241                 .pixclock = 700000,
 242                 .left_margin = 140,
 243                 .right_margin = 273,
 244                 .upper_margin = 20,
 245                 .lower_margin = 2,
 246                 .hsync_len = 1,
 247                 .vsync_len = 1,
 248                 .sync = 0,
 249                 .vmode = FB_VMODE_NONINTERLACED,
 250         },
 251 };
 252
 253 static struct jz4740_fb_platform_data qi_lb60_fb_pdata = {
 254         .width          = 60,
 255         .height         = 45,
 256         .num_modes      = ARRAY_SIZE(qi_lb60_video_modes),
 257         .modes          = qi_lb60_video_modes,
 258         .bpp            = 24,
 259         .lcd_type       = JZ_LCD_TYPE_8BIT_SERIAL,
 260 };
 261
 262
 263 struct spi_gpio_platform_data spigpio_platform_data = {
 264         .sck = JZ_GPIO_PORTC(23),
 265         .mosi = JZ_GPIO_PORTC(22),
 266         .miso = JZ_GPIO_PORTC(22),
 267         .num_chipselect = 1,
 268 };
 269
 270 static struct platform_device spigpio_device = {
 271         .name = "spi_gpio",
 272         .id   = 1,
 273         .dev = {
 274                 .platform_data = &spigpio_platform_data,
 275         },
 276 };
 277
 278 static struct spi_board_info qi_lb60_spi_board_info[] = {
 279         {
 280                 .modalias = "gpm940b0",
 281                 .controller_data = (void*)JZ_GPIO_PORTC(21),
 282                 .chip_select = 0,
 283                 .bus_num = 1,
 284                 .max_speed_hz = 30 * 1000,
 285         },
 286 };
 287
 288 /* Battery */
 289 static struct jz_batt_info qi_lb60_battery_pdata = {
 290         .charg_stat_gpio  = GPIO_CHARG_STAT_N,
 291
 292         .min_voltag     = 3600000,
 293         .max_voltag     = 4200000,
 294         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
 295 };
 296
 297 static char *qi_lb60_batteries[] = {
 298         "battery",
 299 };
 300
 301 static struct gpio_charger_platform_data qi_lb60_charger_pdata = {
 302         .name = "USB",
 303         .type = POWER_SUPPLY_TYPE_USB,
 304         .gpio = GPIO_USB_DETE,
 305         .gpio_active_low = 1,
 306         .batteries = qi_lb60_batteries,
 307         .num_batteries = ARRAY_SIZE(qi_lb60_batteries),
 308 };
 309
 310 static struct platform_device qi_lb60_charger_device = {
 311         .name = "gpio-charger",
 312         .dev = {
 313                 .platform_data = &qi_lb60_charger_pdata,
 314         },
 315 };
 316
 317 /* GPIO Key: power */
 318 static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = {
 319         [0] = {
 320                 .code           = KEY_POWER,
 321                 .gpio           = GPIO_WAKEUP_N,
 322                 .active_low     = 1,
 323                 .desc           = "Power",
 324                 .wakeup         = 1,
 325         },
 326 };
 327
 328 static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = {
 329         .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons),
 330         .buttons = qi_lb60_gpio_keys_buttons,
 331 };
 332
 333 static struct platform_device qi_lb60_gpio_keys = {
 334         .name = "gpio-keys",
 335         .id =   -1,
 336         .dev = {
 337                 .platform_data = &qi_lb60_gpio_keys_data,
 338         }
 339 };
 340
 341 static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
 342         .gpio_card_detect       = JZ_GPIO_PORTD(0),
 343         .gpio_read_only         = -1,
 344         .gpio_power             = JZ_GPIO_PORTD(2),
 345         .power_active_low       = 1,
 346 };
 347
 348 static struct platform_device *jz_platform_devices[] __initdata = {
 349         &jz4740_usb_ohci_device,
 350         &jz4740_usb_gdt_device,
 351         &jz4740_mmc_device,
 352         &jz4740_nand_device,
 353         &qi_lb60_keypad,
 354         &spigpio_device,
 355         &jz4740_framebuffer_device,
 356         &jz4740_i2s_device,
 357         &jz4740_codec_device,
 358         &jz4740_rtc_device,
 359         &jz4740_adc_device,
 360         &jz4740_battery_device,
 361         &qi_lb60_gpio_keys,
 362         &qi_lb60_charger_device,
 363 };
 364
 365 static void __init board_gpio_setup(void)
 366 {
 367         /* We only need to enable/disable pullup here for pins used in generic
 368          * drivers. Everything else is done by the drivers themselfs. */
 369         jz_gpio_disable_pullup(GPIO_SD_VCC_EN_N);
 370         jz_gpio_disable_pullup(GPIO_SD_CD_N);
 371 }
 372
 373 static int __init qi_lb60_init_platform_devices(void)
 374 {
 375         jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata;
 376         jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata;
 377         jz4740_battery_device.dev.platform_data = &qi_lb60_battery_pdata;
 378         jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata;
 379
 380         spi_register_board_info(qi_lb60_spi_board_info,
 381                                 ARRAY_SIZE(qi_lb60_spi_board_info));
 382
 383         return platform_add_devices(jz_platform_devices,
 384                                         ARRAY_SIZE(jz_platform_devices));
 385
 386 }
 387 extern int jz_gpiolib_init(void);
 388 extern int jz_init_clocks(unsigned long extal);
 389
 390 static __init int board_avt2(char *str)
 391 {
 392         qi_lb60_mmc_pdata.card_detect_active_low = 1;
 393
 394         return 1;
 395 }
 396
 397 __setup("avt2", board_avt2);
 398
 399 static int __init qi_lb60_board_setup(void)
 400 {
 401         printk("Qi Hardware JZ4740 QI_LB60 setup\n");
 402         if (jz_gpiolib_init())
 403                 panic("Failed to initalize jz gpio\n");
 404         jz_init_clocks(12000000);
 405
 406         board_gpio_setup();
 407
 408         if (qi_lb60_init_platform_devices())
 409                 panic("Failed to initalize platform devices\n");
 410
 411         return 0;
 412 }
 413
 414 arch_initcall(qi_lb60_board_setup);