arch/arm/mach-pxa/tavorevb.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/tavorevb.c
   3  *
   4  *  Support for the Marvell PXA930 Evaluation Board
   5  *
   6  *  Copyright (C) 2007-2008 Marvell International Ltd.
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License version 2 as
  10  *  publishhed by the Free Software Foundation.
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/kernel.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/clk.h>
  19 #include <linux/gpio.h>
  20 #include <linux/smc91x.h>
  21 #include <linux/pwm.h>
  22 #include <linux/pwm_backlight.h>
  23
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26
  27 #include <mach/pxa930.h>
  28 #include <linux/platform_data/video-pxafb.h>
  29 #include <linux/platform_data/keypad-pxa27x.h>
  30
  31 #include "devices.h"
  32 #include "generic.h"
  33
  34 /* Tavor EVB MFP configurations */
  35 static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = {
  36         /* Ethernet */
  37         DF_nCS1_nCS3,
  38         GPIO47_GPIO,
  39
  40         /* LCD */
  41         GPIO23_LCD_DD0,
  42         GPIO24_LCD_DD1,
  43         GPIO25_LCD_DD2,
  44         GPIO26_LCD_DD3,
  45         GPIO27_LCD_DD4,
  46         GPIO28_LCD_DD5,
  47         GPIO29_LCD_DD6,
  48         GPIO44_LCD_DD7,
  49         GPIO21_LCD_CS,
  50         GPIO22_LCD_CS2,
  51
  52         GPIO17_LCD_FCLK_RD,
  53         GPIO18_LCD_LCLK_A0,
  54         GPIO19_LCD_PCLK_WR,
  55
  56         /* LCD Backlight */
  57         GPIO43_PWM3,    /* primary backlight */
  58         GPIO32_PWM0,    /* secondary backlight */
  59
  60         /* Keypad */
  61         GPIO0_KP_MKIN_0,
  62         GPIO2_KP_MKIN_1,
  63         GPIO4_KP_MKIN_2,
  64         GPIO6_KP_MKIN_3,
  65         GPIO8_KP_MKIN_4,
  66         GPIO10_KP_MKIN_5,
  67         GPIO12_KP_MKIN_6,
  68         GPIO1_KP_MKOUT_0,
  69         GPIO3_KP_MKOUT_1,
  70         GPIO5_KP_MKOUT_2,
  71         GPIO7_KP_MKOUT_3,
  72         GPIO9_KP_MKOUT_4,
  73         GPIO11_KP_MKOUT_5,
  74         GPIO13_KP_MKOUT_6,
  75
  76         GPIO14_KP_DKIN_2,
  77         GPIO15_KP_DKIN_3,
  78 };
  79
  80 #define TAVOREVB_ETH_PHYS       (0x14000000)
  81
  82 static struct resource smc91x_resources[] = {
  83         [0] = {
  84                 .start  = (TAVOREVB_ETH_PHYS + 0x300),
  85                 .end    = (TAVOREVB_ETH_PHYS + 0xfffff),
  86                 .flags  = IORESOURCE_MEM,
  87         },
  88         [1] = {
  89                 .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
  90                 .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
  91                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  92         }
  93 };
  94
  95 static struct smc91x_platdata tavorevb_smc91x_info = {
  96         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
  97 };
  98
  99 static struct platform_device smc91x_device = {
 100         .name           = "smc91x",
 101         .id             = 0,
 102         .num_resources  = ARRAY_SIZE(smc91x_resources),
 103         .resource       = smc91x_resources,
 104         .dev            = {
 105                 .platform_data = &tavorevb_smc91x_info,
 106         },
 107 };
 108
 109 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 110 static const unsigned int tavorevb_matrix_key_map[] = {
 111         /* KEY(row, col, key_code) */
 112         KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C),
 113         KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G),
 114         KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K),
 115         KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O),
 116         KEY(4, 5, KEY_R), KEY(4, 6, KEY_S),
 117         KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W),
 118
 119         KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z),
 120
 121         KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3),
 122         KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7),
 123         KEY(1, 3, KEY_8), KEY(0, 2, KEY_9),
 124
 125         KEY(6, 6, KEY_SPACE),
 126         KEY(0, 0, KEY_KPASTERISK),      /* * */
 127         KEY(0, 1, KEY_KPDOT),           /* # */
 128
 129         KEY(4, 1, KEY_UP),
 130         KEY(4, 3, KEY_DOWN),
 131         KEY(4, 0, KEY_LEFT),
 132         KEY(4, 2, KEY_RIGHT),
 133         KEY(6, 0, KEY_HOME),
 134         KEY(3, 2, KEY_END),
 135         KEY(6, 1, KEY_DELETE),
 136         KEY(5, 2, KEY_BACK),
 137         KEY(6, 3, KEY_CAPSLOCK),        /* KEY_LEFTSHIFT), */
 138
 139         KEY(4, 4, KEY_ENTER),           /* scroll push */
 140         KEY(6, 2, KEY_ENTER),           /* keypad action */
 141
 142         KEY(3, 1, KEY_SEND),
 143         KEY(5, 3, KEY_RECORD),
 144         KEY(5, 0, KEY_VOLUMEUP),
 145         KEY(5, 1, KEY_VOLUMEDOWN),
 146
 147         KEY(3, 0, KEY_F22),     /* soft1 */
 148         KEY(3, 3, KEY_F23),     /* soft2 */
 149 };
 150
 151 static struct matrix_keymap_data tavorevb_matrix_keymap_data = {
 152         .keymap         = tavorevb_matrix_key_map,
 153         .keymap_size    = ARRAY_SIZE(tavorevb_matrix_key_map),
 154 };
 155
 156 static struct pxa27x_keypad_platform_data tavorevb_keypad_info = {
 157         .matrix_key_rows        = 7,
 158         .matrix_key_cols        = 7,
 159         .matrix_keymap_data     = &tavorevb_matrix_keymap_data,
 160         .debounce_interval      = 30,
 161 };
 162
 163 static void __init tavorevb_init_keypad(void)
 164 {
 165         pxa_set_keypad_info(&tavorevb_keypad_info);
 166 }
 167 #else
 168 static inline void tavorevb_init_keypad(void) {}
 169 #endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */
 170
 171 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 172 static struct pwm_lookup tavorevb_pwm_lookup[] = {
 173         PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 100000,
 174                    PWM_POLARITY_NORMAL),
 175         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.1", NULL, 100000,
 176                    PWM_POLARITY_NORMAL),
 177 };
 178
 179 static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
 180         [0] = {
 181                 /* primary backlight */
 182                 .max_brightness = 100,
 183                 .dft_brightness = 100,
 184                 .enable_gpio    = -1,
 185         },
 186         [1] = {
 187                 /* secondary backlight */
 188                 .max_brightness = 100,
 189                 .dft_brightness = 100,
 190                 .enable_gpio    = -1,
 191         },
 192 };
 193
 194 static struct platform_device tavorevb_backlight_devices[] = {
 195         [0] = {
 196                 .name           = "pwm-backlight",
 197                 .id             = 0,
 198                 .dev            = {
 199                         .platform_data = &tavorevb_backlight_data[0],
 200                 },
 201         },
 202         [1] = {
 203                 .name           = "pwm-backlight",
 204                 .id             = 1,
 205                 .dev            = {
 206                         .platform_data = &tavorevb_backlight_data[1],
 207                 },
 208         },
 209 };
 210
 211 static uint16_t panel_init[] = {
 212         /* DSTB OUT */
 213         SMART_CMD(0x00),
 214         SMART_CMD_NOOP,
 215         SMART_DELAY(1),
 216
 217         SMART_CMD(0x00),
 218         SMART_CMD_NOOP,
 219         SMART_DELAY(1),
 220
 221         SMART_CMD(0x00),
 222         SMART_CMD_NOOP,
 223         SMART_DELAY(1),
 224
 225         /* STB OUT */
 226         SMART_CMD(0x00),
 227         SMART_CMD(0x1D),
 228         SMART_DAT(0x00),
 229         SMART_DAT(0x05),
 230         SMART_DELAY(1),
 231
 232         /* P-ON Init sequence */
 233         SMART_CMD(0x00), /* OSC ON */
 234         SMART_CMD(0x00),
 235         SMART_DAT(0x00),
 236         SMART_DAT(0x01),
 237         SMART_CMD(0x00),
 238         SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
 239         SMART_DAT(0x01),
 240         SMART_DAT(0x27),
 241         SMART_CMD(0x00),
 242         SMART_CMD(0x02), /* LINE INV */
 243         SMART_DAT(0x02),
 244         SMART_DAT(0x00),
 245         SMART_CMD(0x00),
 246         SMART_CMD(0x03), /* IF mode(1) */
 247         SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
 248         SMART_DAT(0x30),
 249         SMART_CMD(0x07),
 250         SMART_CMD(0x00), /* RAM Write Mode */
 251         SMART_DAT(0x00),
 252         SMART_DAT(0x03),
 253         SMART_CMD(0x00),
 254
 255         /* DISPLAY Setting,  262K, fixed(NO scroll), no split screen */
 256         SMART_CMD(0x07),
 257         SMART_DAT(0x40), /* 16/18/19 BPP */
 258         SMART_DAT(0x00),
 259         SMART_CMD(0x00),
 260         SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
 261         SMART_DAT(0x03),
 262         SMART_DAT(0x02),
 263         SMART_CMD(0x00),
 264         SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
 265         SMART_DAT(0x00),
 266         SMART_DAT(0x00),
 267         SMART_CMD(0x00),
 268         SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
 269         SMART_DAT(0x00),
 270         SMART_DAT(0x10),
 271         SMART_CMD(0x00),
 272         SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
 273         SMART_DAT(0x03),
 274         SMART_DAT(0x02),
 275         SMART_CMD(0x00),
 276         SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
 277         SMART_DAT(0x01),
 278         SMART_DAT(0x02),
 279         SMART_CMD(0x00),
 280         SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
 281         SMART_DAT(0x00),
 282         SMART_DAT(0x00),
 283         SMART_CMD(0x00),
 284         SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
 285         SMART_DAT(0x20),
 286         SMART_DAT(0x00),
 287         SMART_CMD(0x00),
 288         SMART_CMD(0x1C),
 289         SMART_DAT(0x00),
 290         SMART_DAT(0x00),
 291         SMART_CMD(0x03),
 292         SMART_CMD(0x00),
 293         SMART_DAT(0x04),
 294         SMART_DAT(0x03),
 295         SMART_CMD(0x03),
 296         SMART_CMD(0x01),
 297         SMART_DAT(0x03),
 298         SMART_DAT(0x04),
 299         SMART_CMD(0x03),
 300         SMART_CMD(0x02),
 301         SMART_DAT(0x04),
 302         SMART_DAT(0x03),
 303         SMART_CMD(0x03),
 304         SMART_CMD(0x03),
 305         SMART_DAT(0x03),
 306         SMART_DAT(0x03),
 307         SMART_CMD(0x03),
 308         SMART_CMD(0x04),
 309         SMART_DAT(0x01),
 310         SMART_DAT(0x01),
 311         SMART_CMD(0x03),
 312         SMART_CMD(0x05),
 313         SMART_DAT(0x00),
 314         SMART_DAT(0x00),
 315         SMART_CMD(0x04),
 316         SMART_CMD(0x02),
 317         SMART_DAT(0x00),
 318         SMART_DAT(0x00),
 319         SMART_CMD(0x04),
 320         SMART_CMD(0x03),
 321         SMART_DAT(0x01),
 322         SMART_DAT(0x3F),
 323         SMART_DELAY(0),
 324
 325         /* DISP RAM setting: 240*320 */
 326         SMART_CMD(0x04), /* HADDR, START 0 */
 327         SMART_CMD(0x06),
 328         SMART_DAT(0x00),
 329         SMART_DAT(0x00), /* x1,3 */
 330         SMART_CMD(0x04), /* HADDR,  END   4 */
 331         SMART_CMD(0x07),
 332         SMART_DAT(0x00),
 333         SMART_DAT(0xEF), /* x2, 7 */
 334         SMART_CMD(0x04), /* VADDR, START 8 */
 335         SMART_CMD(0x08),
 336         SMART_DAT(0x00), /* y1, 10 */
 337         SMART_DAT(0x00), /* y1, 11 */
 338         SMART_CMD(0x04), /* VADDR, END 12 */
 339         SMART_CMD(0x09),
 340         SMART_DAT(0x01), /* y2, 14 */
 341         SMART_DAT(0x3F), /* y2, 15 */
 342         SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
 343         SMART_CMD(0x00),
 344         SMART_DAT(0x00),
 345         SMART_DAT(0x00), /* x1, 19 */
 346         SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
 347         SMART_CMD(0x01),
 348         SMART_DAT(0x00), /* y1, 22 */
 349         SMART_DAT(0x00), /* y1, 23 */
 350 };
 351
 352 static uint16_t panel_on[] = {
 353         /* Power-IC ON */
 354         SMART_CMD(0x01),
 355         SMART_CMD(0x02),
 356         SMART_DAT(0x07),
 357         SMART_DAT(0x7D),
 358         SMART_CMD(0x01),
 359         SMART_CMD(0x03),
 360         SMART_DAT(0x00),
 361         SMART_DAT(0x05),
 362         SMART_CMD(0x01),
 363         SMART_CMD(0x04),
 364         SMART_DAT(0x00),
 365         SMART_DAT(0x00),
 366         SMART_CMD(0x01),
 367         SMART_CMD(0x05),
 368         SMART_DAT(0x00),
 369         SMART_DAT(0x15),
 370         SMART_CMD(0x01),
 371         SMART_CMD(0x00),
 372         SMART_DAT(0xC0),
 373         SMART_DAT(0x10),
 374         SMART_DELAY(30),
 375
 376         /* DISP ON */
 377         SMART_CMD(0x01),
 378         SMART_CMD(0x01),
 379         SMART_DAT(0x00),
 380         SMART_DAT(0x01),
 381         SMART_CMD(0x01),
 382         SMART_CMD(0x00),
 383         SMART_DAT(0xFF),
 384         SMART_DAT(0xFE),
 385         SMART_DELAY(150),
 386 };
 387
 388 static uint16_t panel_off[] = {
 389         SMART_CMD(0x00),
 390         SMART_CMD(0x1E),
 391         SMART_DAT(0x00),
 392         SMART_DAT(0x0A),
 393         SMART_CMD(0x01),
 394         SMART_CMD(0x00),
 395         SMART_DAT(0xFF),
 396         SMART_DAT(0xEE),
 397         SMART_CMD(0x01),
 398         SMART_CMD(0x00),
 399         SMART_DAT(0xF8),
 400         SMART_DAT(0x12),
 401         SMART_CMD(0x01),
 402         SMART_CMD(0x00),
 403         SMART_DAT(0xE8),
 404         SMART_DAT(0x11),
 405         SMART_CMD(0x01),
 406         SMART_CMD(0x00),
 407         SMART_DAT(0xC0),
 408         SMART_DAT(0x11),
 409         SMART_CMD(0x01),
 410         SMART_CMD(0x00),
 411         SMART_DAT(0x40),
 412         SMART_DAT(0x11),
 413         SMART_CMD(0x01),
 414         SMART_CMD(0x00),
 415         SMART_DAT(0x00),
 416         SMART_DAT(0x10),
 417 };
 418
 419 static uint16_t update_framedata[] = {
 420         /* write ram */
 421         SMART_CMD(0x02),
 422         SMART_CMD(0x02),
 423
 424         /* write frame data */
 425         SMART_CMD_WRITE_FRAME,
 426 };
 427
 428 static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
 429 {
 430         struct fb_info *info = container_of(var, struct fb_info, var);
 431
 432         if (on) {
 433                 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
 434                 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
 435         } else {
 436                 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
 437         }
 438
 439         if (pxafb_smart_flush(info))
 440                 pr_err("%s: timed out\n", __func__);
 441 }
 442
 443 static void ltm020d550_update(struct fb_info *info)
 444 {
 445         pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
 446         pxafb_smart_flush(info);
 447 }
 448
 449 static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
 450         [0] = {
 451                 .xres                   = 240,
 452                 .yres                   = 320,
 453                 .bpp                    = 16,
 454                 .a0csrd_set_hld         = 30,
 455                 .a0cswr_set_hld         = 30,
 456                 .wr_pulse_width         = 30,
 457                 .rd_pulse_width         = 170,
 458                 .op_hold_time           = 30,
 459                 .cmd_inh_time           = 60,
 460
 461                 /* L_LCLK_A0 and L_LCLK_RD active low */
 462                 .sync                   = FB_SYNC_HOR_HIGH_ACT |
 463                                           FB_SYNC_VERT_HIGH_ACT,
 464         },
 465 };
 466
 467 static struct pxafb_mach_info tavorevb_lcd_info = {
 468         .modes                  = toshiba_ltm020d550_modes,
 469         .num_modes              = 1,
 470         .lcd_conn               = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
 471         .pxafb_lcd_power        = ltm020d550_lcd_power,
 472         .smart_update           = ltm020d550_update,
 473 };
 474
 475 static void __init tavorevb_init_lcd(void)
 476 {
 477         pwm_add_table(tavorevb_pwm_lookup, ARRAY_SIZE(tavorevb_pwm_lookup));
 478         platform_device_register(&tavorevb_backlight_devices[0]);
 479         platform_device_register(&tavorevb_backlight_devices[1]);
 480         pxa_set_fb_info(NULL, &tavorevb_lcd_info);
 481 }
 482 #else
 483 static inline void tavorevb_init_lcd(void) {}
 484 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 485
 486 static void __init tavorevb_init(void)
 487 {
 488         /* initialize MFP configurations */
 489         pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg));
 490
 491         pxa_set_ffuart_info(NULL);
 492         pxa_set_btuart_info(NULL);
 493         pxa_set_stuart_info(NULL);
 494
 495         platform_device_register(&smc91x_device);
 496
 497         tavorevb_init_lcd();
 498         tavorevb_init_keypad();
 499 }
 500
 501 MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)")
 502         /* Maintainer: Eric Miao <eric.miao@marvell.com> */
 503         .atag_offset    = 0x100,
 504         .map_io         = pxa3xx_map_io,
 505         .nr_irqs        = PXA_NR_IRQS,
 506         .init_irq       = pxa3xx_init_irq,
 507         .handle_irq       = pxa3xx_handle_irq,
 508         .init_time      = pxa_timer_init,
 509         .init_machine   = tavorevb_init,
 510         .restart        = pxa_restart,
 511 MACHINE_END