drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c

   1 /*
   2  * TPO TD043MTEA1 Panel driver
   3  *
   4  * Author: Gražvydas Ignotas <notasas@gmail.com>
   5  * Converted to new DSS device model: Tomi Valkeinen <tomi.valkeinen@ti.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/delay.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/regulator/consumer.h>
  17 #include <linux/gpio.h>
  18 #include <linux/err.h>
  19 #include <linux/slab.h>
  20 #include <linux/of_gpio.h>
  21
  22 #include <video/omapdss.h>
  23 #include <video/omap-panel-data.h>
  24
  25 #define TPO_R02_MODE(x)         ((x) & 7)
  26 #define TPO_R02_MODE_800x480    7
  27 #define TPO_R02_NCLK_RISING     BIT(3)
  28 #define TPO_R02_HSYNC_HIGH      BIT(4)
  29 #define TPO_R02_VSYNC_HIGH      BIT(5)
  30
  31 #define TPO_R03_NSTANDBY        BIT(0)
  32 #define TPO_R03_EN_CP_CLK       BIT(1)
  33 #define TPO_R03_EN_VGL_PUMP     BIT(2)
  34 #define TPO_R03_EN_PWM          BIT(3)
  35 #define TPO_R03_DRIVING_CAP_100 BIT(4)
  36 #define TPO_R03_EN_PRE_CHARGE   BIT(6)
  37 #define TPO_R03_SOFTWARE_CTL    BIT(7)
  38
  39 #define TPO_R04_NFLIP_H         BIT(0)
  40 #define TPO_R04_NFLIP_V         BIT(1)
  41 #define TPO_R04_CP_CLK_FREQ_1H  BIT(2)
  42 #define TPO_R04_VGL_FREQ_1H     BIT(4)
  43
  44 #define TPO_R03_VAL_NORMAL (TPO_R03_NSTANDBY | TPO_R03_EN_CP_CLK | \
  45                         TPO_R03_EN_VGL_PUMP |  TPO_R03_EN_PWM | \
  46                         TPO_R03_DRIVING_CAP_100 | TPO_R03_EN_PRE_CHARGE | \
  47                         TPO_R03_SOFTWARE_CTL)
  48
  49 #define TPO_R03_VAL_STANDBY (TPO_R03_DRIVING_CAP_100 | \
  50                         TPO_R03_EN_PRE_CHARGE | TPO_R03_SOFTWARE_CTL)
  51
  52 static const u16 tpo_td043_def_gamma[12] = {
  53         105, 315, 381, 431, 490, 537, 579, 686, 780, 837, 880, 1023
  54 };
  55
  56 struct panel_drv_data {
  57         struct omap_dss_device  dssdev;
  58         struct omap_dss_device *in;
  59
  60         struct omap_video_timings videomode;
  61
  62         int data_lines;
  63
  64         struct spi_device *spi;
  65         struct regulator *vcc_reg;
  66         int nreset_gpio;
  67         u16 gamma[12];
  68         u32 mode;
  69         u32 hmirror:1;
  70         u32 vmirror:1;
  71         u32 powered_on:1;
  72         u32 spi_suspended:1;
  73         u32 power_on_resume:1;
  74 };
  75
  76 static const struct omap_video_timings tpo_td043_timings = {
  77         .x_res          = 800,
  78         .y_res          = 480,
  79
  80         .pixelclock     = 36000000,
  81
  82         .hsw            = 1,
  83         .hfp            = 68,
  84         .hbp            = 214,
  85
  86         .vsw            = 1,
  87         .vfp            = 39,
  88         .vbp            = 34,
  89
  90         .vsync_level    = OMAPDSS_SIG_ACTIVE_LOW,
  91         .hsync_level    = OMAPDSS_SIG_ACTIVE_LOW,
  92         .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
  93         .de_level       = OMAPDSS_SIG_ACTIVE_HIGH,
  94         .sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
  95 };
  96
  97 #define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
  98
  99 static int tpo_td043_write(struct spi_device *spi, u8 addr, u8 data)
 100 {
 101         struct spi_message      m;
 102         struct spi_transfer     xfer;
 103         u16                     w;
 104         int                     r;
 105
 106         spi_message_init(&m);
 107
 108         memset(&xfer, 0, sizeof(xfer));
 109
 110         w = ((u16)addr << 10) | (1 << 8) | data;
 111         xfer.tx_buf = &w;
 112         xfer.bits_per_word = 16;
 113         xfer.len = 2;
 114         spi_message_add_tail(&xfer, &m);
 115
 116         r = spi_sync(spi, &m);
 117         if (r < 0)
 118                 dev_warn(&spi->dev, "failed to write to LCD reg (%d)\n", r);
 119         return r;
 120 }
 121
 122 static void tpo_td043_write_gamma(struct spi_device *spi, u16 gamma[12])
 123 {
 124         u8 i, val;
 125
 126         /* gamma bits [9:8] */
 127         for (val = i = 0; i < 4; i++)
 128                 val |= (gamma[i] & 0x300) >> ((i + 1) * 2);
 129         tpo_td043_write(spi, 0x11, val);
 130
 131         for (val = i = 0; i < 4; i++)
 132                 val |= (gamma[i+4] & 0x300) >> ((i + 1) * 2);
 133         tpo_td043_write(spi, 0x12, val);
 134
 135         for (val = i = 0; i < 4; i++)
 136                 val |= (gamma[i+8] & 0x300) >> ((i + 1) * 2);
 137         tpo_td043_write(spi, 0x13, val);
 138
 139         /* gamma bits [7:0] */
 140         for (val = i = 0; i < 12; i++)
 141                 tpo_td043_write(spi, 0x14 + i, gamma[i] & 0xff);
 142 }
 143
 144 static int tpo_td043_write_mirror(struct spi_device *spi, bool h, bool v)
 145 {
 146         u8 reg4 = TPO_R04_NFLIP_H | TPO_R04_NFLIP_V |
 147                 TPO_R04_CP_CLK_FREQ_1H | TPO_R04_VGL_FREQ_1H;
 148         if (h)
 149                 reg4 &= ~TPO_R04_NFLIP_H;
 150         if (v)
 151                 reg4 &= ~TPO_R04_NFLIP_V;
 152
 153         return tpo_td043_write(spi, 4, reg4);
 154 }
 155
 156 static int tpo_td043_set_hmirror(struct omap_dss_device *dssdev, bool enable)
 157 {
 158         struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
 159
 160         ddata->hmirror = enable;
 161         return tpo_td043_write_mirror(ddata->spi, ddata->hmirror,
 162                         ddata->vmirror);
 163 }
 164
 165 static bool tpo_td043_get_hmirror(struct omap_dss_device *dssdev)
 166 {
 167         struct panel_drv_data *ddata = dev_get_drvdata(dssdev->dev);
 168
 169         return ddata->hmirror;
 170 }
 171
 172 static ssize_t tpo_td043_vmirror_show(struct device *dev,
 173         struct device_attribute *attr, char *buf)
 174 {
 175         struct panel_drv_data *ddata = dev_get_drvdata(dev);
 176
 177         return snprintf(buf, PAGE_SIZE, "%d\n", ddata->vmirror);
 178 }
 179
 180 static ssize_t tpo_td043_vmirror_store(struct device *dev,
 181         struct device_attribute *attr, const char *buf, size_t count)
 182 {
 183         struct panel_drv_data *ddata = dev_get_drvdata(dev);
 184         int val;
 185         int ret;
 186
 187         ret = kstrtoint(buf, 0, &val);
 188         if (ret < 0)
 189                 return ret;
 190
 191         val = !!val;
 192
 193         ret = tpo_td043_write_mirror(ddata->spi, ddata->hmirror, val);
 194         if (ret < 0)
 195                 return ret;
 196
 197         ddata->vmirror = val;
 198
 199         return count;
 200 }
 201
 202 static ssize_t tpo_td043_mode_show(struct device *dev,
 203         struct device_attribute *attr, char *buf)
 204 {
 205         struct panel_drv_data *ddata = dev_get_drvdata(dev);
 206
 207         return snprintf(buf, PAGE_SIZE, "%d\n", ddata->mode);
 208 }
 209
 210 static ssize_t tpo_td043_mode_store(struct device *dev,
 211         struct device_attribute *attr, const char *buf, size_t count)
 212 {
 213         struct panel_drv_data *ddata = dev_get_drvdata(dev);
 214         long val;
 215         int ret;
 216
 217         ret = kstrtol(buf, 0, &val);
 218         if (ret != 0 || val & ~7)
 219                 return -EINVAL;
 220
 221         ddata->mode = val;
 222
 223         val |= TPO_R02_NCLK_RISING;
 224         tpo_td043_write(ddata->spi, 2, val);
 225
 226         return count;
 227 }
 228
 229 static ssize_t tpo_td043_gamma_show(struct device *dev,
 230         struct device_attribute *attr, char *buf)
 231 {
 232         struct panel_drv_data *ddata = dev_get_drvdata(dev);
 233         ssize_t len = 0;
 234         int ret;
 235         int i;
 236
 237         for (i = 0; i < ARRAY_SIZE(ddata->gamma); i++) {
 238                 ret = snprintf(buf + len, PAGE_SIZE - len, "%u ",
 239                                 ddata->gamma[i]);
 240                 if (ret < 0)
 241                         return ret;
 242                 len += ret;
 243         }
 244         buf[len - 1] = '\n';
 245
 246         return len;
 247 }
 248
 249 static ssize_t tpo_td043_gamma_store(struct device *dev,
 250         struct device_attribute *attr, const char *buf, size_t count)
 251 {
 252         struct panel_drv_data *ddata = dev_get_drvdata(dev);
 253         unsigned int g[12];
 254         int ret;
 255         int i;
 256
 257         ret = sscanf(buf, "%u %u %u %u %u %u %u %u %u %u %u %u",
 258                         &g[0], &g[1], &g[2], &g[3], &g[4], &g[5],
 259                         &g[6], &g[7], &g[8], &g[9], &g[10], &g[11]);
 260
 261         if (ret != 12)
 262                 return -EINVAL;
 263
 264         for (i = 0; i < 12; i++)
 265                 ddata->gamma[i] = g[i];
 266
 267         tpo_td043_write_gamma(ddata->spi, ddata->gamma);
 268
 269         return count;
 270 }
 271
 272 static DEVICE_ATTR(vmirror, S_IRUGO | S_IWUSR,
 273                 tpo_td043_vmirror_show, tpo_td043_vmirror_store);
 274 static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
 275                 tpo_td043_mode_show, tpo_td043_mode_store);
 276 static DEVICE_ATTR(gamma, S_IRUGO | S_IWUSR,
 277                 tpo_td043_gamma_show, tpo_td043_gamma_store);
 278
 279 static struct attribute *tpo_td043_attrs[] = {
 280         &dev_attr_vmirror.attr,
 281         &dev_attr_mode.attr,
 282         &dev_attr_gamma.attr,
 283         NULL,
 284 };
 285
 286 static struct attribute_group tpo_td043_attr_group = {
 287         .attrs = tpo_td043_attrs,
 288 };
 289
 290 static int tpo_td043_power_on(struct panel_drv_data *ddata)
 291 {
 292         int r;
 293
 294         if (ddata->powered_on)
 295                 return 0;
 296
 297         r = regulator_enable(ddata->vcc_reg);
 298         if (r != 0)
 299                 return r;
 300
 301         /* wait for panel to stabilize */
 302         msleep(160);
 303
 304         if (gpio_is_valid(ddata->nreset_gpio))
 305                 gpio_set_value(ddata->nreset_gpio, 1);
 306
 307         tpo_td043_write(ddata->spi, 2,
 308                         TPO_R02_MODE(ddata->mode) | TPO_R02_NCLK_RISING);
 309         tpo_td043_write(ddata->spi, 3, TPO_R03_VAL_NORMAL);
 310         tpo_td043_write(ddata->spi, 0x20, 0xf0);
 311         tpo_td043_write(ddata->spi, 0x21, 0xf0);
 312         tpo_td043_write_mirror(ddata->spi, ddata->hmirror,
 313                         ddata->vmirror);
 314         tpo_td043_write_gamma(ddata->spi, ddata->gamma);
 315
 316         ddata->powered_on = 1;
 317         return 0;
 318 }
 319
 320 static void tpo_td043_power_off(struct panel_drv_data *ddata)
 321 {
 322         if (!ddata->powered_on)
 323                 return;
 324
 325         tpo_td043_write(ddata->spi, 3,
 326                         TPO_R03_VAL_STANDBY | TPO_R03_EN_PWM);
 327
 328         if (gpio_is_valid(ddata->nreset_gpio))
 329                 gpio_set_value(ddata->nreset_gpio, 0);
 330
 331         /* wait for at least 2 vsyncs before cutting off power */
 332         msleep(50);
 333
 334         tpo_td043_write(ddata->spi, 3, TPO_R03_VAL_STANDBY);
 335
 336         regulator_disable(ddata->vcc_reg);
 337
 338         ddata->powered_on = 0;
 339 }
 340
 341 static int tpo_td043_connect(struct omap_dss_device *dssdev)
 342 {
 343         struct panel_drv_data *ddata = to_panel_data(dssdev);
 344         struct omap_dss_device *in = ddata->in;
 345         int r;
 346
 347         if (omapdss_device_is_connected(dssdev))
 348                 return 0;
 349
 350         r = in->ops.dpi->connect(in, dssdev);
 351         if (r)
 352                 return r;
 353
 354         return 0;
 355 }
 356
 357 static void tpo_td043_disconnect(struct omap_dss_device *dssdev)
 358 {
 359         struct panel_drv_data *ddata = to_panel_data(dssdev);
 360         struct omap_dss_device *in = ddata->in;
 361
 362         if (!omapdss_device_is_connected(dssdev))
 363                 return;
 364
 365         in->ops.dpi->disconnect(in, dssdev);
 366 }
 367
 368 static int tpo_td043_enable(struct omap_dss_device *dssdev)
 369 {
 370         struct panel_drv_data *ddata = to_panel_data(dssdev);
 371         struct omap_dss_device *in = ddata->in;
 372         int r;
 373
 374         if (!omapdss_device_is_connected(dssdev))
 375                 return -ENODEV;
 376
 377         if (omapdss_device_is_enabled(dssdev))
 378                 return 0;
 379
 380         if (ddata->data_lines)
 381                 in->ops.dpi->set_data_lines(in, ddata->data_lines);
 382         in->ops.dpi->set_timings(in, &ddata->videomode);
 383
 384         r = in->ops.dpi->enable(in);
 385         if (r)
 386                 return r;
 387
 388         /*
 389          * If we are resuming from system suspend, SPI clocks might not be
 390          * enabled yet, so we'll program the LCD from SPI PM resume callback.
 391          */
 392         if (!ddata->spi_suspended) {
 393                 r = tpo_td043_power_on(ddata);
 394                 if (r) {
 395                         in->ops.dpi->disable(in);
 396                         return r;
 397                 }
 398         }
 399
 400         dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
 401
 402         return 0;
 403 }
 404
 405 static void tpo_td043_disable(struct omap_dss_device *dssdev)
 406 {
 407         struct panel_drv_data *ddata = to_panel_data(dssdev);
 408         struct omap_dss_device *in = ddata->in;
 409
 410         if (!omapdss_device_is_enabled(dssdev))
 411                 return;
 412
 413         in->ops.dpi->disable(in);
 414
 415         if (!ddata->spi_suspended)
 416                 tpo_td043_power_off(ddata);
 417
 418         dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
 419 }
 420
 421 static void tpo_td043_set_timings(struct omap_dss_device *dssdev,
 422                 struct omap_video_timings *timings)
 423 {
 424         struct panel_drv_data *ddata = to_panel_data(dssdev);
 425         struct omap_dss_device *in = ddata->in;
 426
 427         ddata->videomode = *timings;
 428         dssdev->panel.timings = *timings;
 429
 430         in->ops.dpi->set_timings(in, timings);
 431 }
 432
 433 static void tpo_td043_get_timings(struct omap_dss_device *dssdev,
 434                 struct omap_video_timings *timings)
 435 {
 436         struct panel_drv_data *ddata = to_panel_data(dssdev);
 437
 438         *timings = ddata->videomode;
 439 }
 440
 441 static int tpo_td043_check_timings(struct omap_dss_device *dssdev,
 442                 struct omap_video_timings *timings)
 443 {
 444         struct panel_drv_data *ddata = to_panel_data(dssdev);
 445         struct omap_dss_device *in = ddata->in;
 446
 447         return in->ops.dpi->check_timings(in, timings);
 448 }
 449
 450 static struct omap_dss_driver tpo_td043_ops = {
 451         .connect        = tpo_td043_connect,
 452         .disconnect     = tpo_td043_disconnect,
 453
 454         .enable         = tpo_td043_enable,
 455         .disable        = tpo_td043_disable,
 456
 457         .set_timings    = tpo_td043_set_timings,
 458         .get_timings    = tpo_td043_get_timings,
 459         .check_timings  = tpo_td043_check_timings,
 460
 461         .set_mirror     = tpo_td043_set_hmirror,
 462         .get_mirror     = tpo_td043_get_hmirror,
 463
 464         .get_resolution = omapdss_default_get_resolution,
 465 };
 466
 467
 468 static int tpo_td043_probe_pdata(struct spi_device *spi)
 469 {
 470         const struct panel_tpo_td043mtea1_platform_data *pdata;
 471         struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
 472         struct omap_dss_device *dssdev, *in;
 473
 474         pdata = dev_get_platdata(&spi->dev);
 475
 476         ddata->nreset_gpio = pdata->nreset_gpio;
 477
 478         in = omap_dss_find_output(pdata->source);
 479         if (in == NULL) {
 480                 dev_err(&spi->dev, "failed to find video source '%s'\n",
 481                                 pdata->source);
 482                 return -EPROBE_DEFER;
 483         }
 484         ddata->in = in;
 485
 486         ddata->data_lines = pdata->data_lines;
 487
 488         dssdev = &ddata->dssdev;
 489         dssdev->name = pdata->name;
 490
 491         return 0;
 492 }
 493
 494 static int tpo_td043_probe_of(struct spi_device *spi)
 495 {
 496         struct device_node *node = spi->dev.of_node;
 497         struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
 498         struct omap_dss_device *in;
 499         int gpio;
 500
 501         gpio = of_get_named_gpio(node, "reset-gpios", 0);
 502         if (!gpio_is_valid(gpio)) {
 503                 dev_err(&spi->dev, "failed to parse enable gpio\n");
 504                 return gpio;
 505         }
 506         ddata->nreset_gpio = gpio;
 507
 508         in = omapdss_of_find_source_for_first_ep(node);
 509         if (IS_ERR(in)) {
 510                 dev_err(&spi->dev, "failed to find video source\n");
 511                 return PTR_ERR(in);
 512         }
 513
 514         ddata->in = in;
 515
 516         return 0;
 517 }
 518
 519 static int tpo_td043_probe(struct spi_device *spi)
 520 {
 521         struct panel_drv_data *ddata;
 522         struct omap_dss_device *dssdev;
 523         int r;
 524
 525         dev_dbg(&spi->dev, "%s\n", __func__);
 526
 527         spi->bits_per_word = 16;
 528         spi->mode = SPI_MODE_0;
 529
 530         r = spi_setup(spi);
 531         if (r < 0) {
 532                 dev_err(&spi->dev, "spi_setup failed: %d\n", r);
 533                 return r;
 534         }
 535
 536         ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
 537         if (ddata == NULL)
 538                 return -ENOMEM;
 539
 540         dev_set_drvdata(&spi->dev, ddata);
 541
 542         ddata->spi = spi;
 543
 544         if (dev_get_platdata(&spi->dev)) {
 545                 r = tpo_td043_probe_pdata(spi);
 546                 if (r)
 547                         return r;
 548         } else if (spi->dev.of_node) {
 549                 r = tpo_td043_probe_of(spi);
 550                 if (r)
 551                         return r;
 552         } else {
 553                 return -ENODEV;
 554         }
 555
 556         ddata->mode = TPO_R02_MODE_800x480;
 557         memcpy(ddata->gamma, tpo_td043_def_gamma, sizeof(ddata->gamma));
 558
 559         ddata->vcc_reg = devm_regulator_get(&spi->dev, "vcc");
 560         if (IS_ERR(ddata->vcc_reg)) {
 561                 dev_err(&spi->dev, "failed to get LCD VCC regulator\n");
 562                 r = PTR_ERR(ddata->vcc_reg);
 563                 goto err_regulator;
 564         }
 565
 566         if (gpio_is_valid(ddata->nreset_gpio)) {
 567                 r = devm_gpio_request_one(&spi->dev,
 568                                 ddata->nreset_gpio, GPIOF_OUT_INIT_LOW,
 569                                 "lcd reset");
 570                 if (r < 0) {
 571                         dev_err(&spi->dev, "couldn't request reset GPIO\n");
 572                         goto err_gpio_req;
 573                 }
 574         }
 575
 576         r = sysfs_create_group(&spi->dev.kobj, &tpo_td043_attr_group);
 577         if (r) {
 578                 dev_err(&spi->dev, "failed to create sysfs files\n");
 579                 goto err_sysfs;
 580         }
 581
 582         ddata->videomode = tpo_td043_timings;
 583
 584         dssdev = &ddata->dssdev;
 585         dssdev->dev = &spi->dev;
 586         dssdev->driver = &tpo_td043_ops;
 587         dssdev->type = OMAP_DISPLAY_TYPE_DPI;
 588         dssdev->owner = THIS_MODULE;
 589         dssdev->panel.timings = ddata->videomode;
 590
 591         r = omapdss_register_display(dssdev);
 592         if (r) {
 593                 dev_err(&spi->dev, "Failed to register panel\n");
 594                 goto err_reg;
 595         }
 596
 597         return 0;
 598
 599 err_reg:
 600         sysfs_remove_group(&spi->dev.kobj, &tpo_td043_attr_group);
 601 err_sysfs:
 602 err_gpio_req:
 603 err_regulator:
 604         omap_dss_put_device(ddata->in);
 605         return r;
 606 }
 607
 608 static int tpo_td043_remove(struct spi_device *spi)
 609 {
 610         struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
 611         struct omap_dss_device *dssdev = &ddata->dssdev;
 612         struct omap_dss_device *in = ddata->in;
 613
 614         dev_dbg(&ddata->spi->dev, "%s\n", __func__);
 615
 616         omapdss_unregister_display(dssdev);
 617
 618         tpo_td043_disable(dssdev);
 619         tpo_td043_disconnect(dssdev);
 620
 621         omap_dss_put_device(in);
 622
 623         sysfs_remove_group(&spi->dev.kobj, &tpo_td043_attr_group);
 624
 625         return 0;
 626 }
 627
 628 #ifdef CONFIG_PM_SLEEP
 629 static int tpo_td043_spi_suspend(struct device *dev)
 630 {
 631         struct panel_drv_data *ddata = dev_get_drvdata(dev);
 632
 633         dev_dbg(dev, "tpo_td043_spi_suspend, tpo %p\n", ddata);
 634
 635         ddata->power_on_resume = ddata->powered_on;
 636         tpo_td043_power_off(ddata);
 637         ddata->spi_suspended = 1;
 638
 639         return 0;
 640 }
 641
 642 static int tpo_td043_spi_resume(struct device *dev)
 643 {
 644         struct panel_drv_data *ddata = dev_get_drvdata(dev);
 645         int ret;
 646
 647         dev_dbg(dev, "tpo_td043_spi_resume\n");
 648
 649         if (ddata->power_on_resume) {
 650                 ret = tpo_td043_power_on(ddata);
 651                 if (ret)
 652                         return ret;
 653         }
 654         ddata->spi_suspended = 0;
 655
 656         return 0;
 657 }
 658 #endif
 659
 660 static SIMPLE_DEV_PM_OPS(tpo_td043_spi_pm,
 661         tpo_td043_spi_suspend, tpo_td043_spi_resume);
 662
 663 static const struct of_device_id tpo_td043_of_match[] = {
 664         { .compatible = "omapdss,tpo,td043mtea1", },
 665         {},
 666 };
 667
 668 MODULE_DEVICE_TABLE(of, tpo_td043_of_match);
 669
 670 static struct spi_driver tpo_td043_spi_driver = {
 671         .driver = {
 672                 .name   = "panel-tpo-td043mtea1",
 673                 .pm     = &tpo_td043_spi_pm,
 674                 .of_match_table = tpo_td043_of_match,
 675                 .suppress_bind_attrs = true,
 676         },
 677         .probe  = tpo_td043_probe,
 678         .remove = tpo_td043_remove,
 679 };
 680
 681 module_spi_driver(tpo_td043_spi_driver);
 682
 683 MODULE_ALIAS("spi:tpo,td043mtea1");
 684 MODULE_AUTHOR("Gražvydas Ignotas <notasas@gmail.com>");
 685 MODULE_DESCRIPTION("TPO TD043MTEA1 LCD Driver");
 686 MODULE_LICENSE("GPL");