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