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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 | // SPDX-License-Identifier: GPL-2.0-only /* * Novatek NT35950 DriverIC panels driver * * Copyright (c) 2021 AngeloGioacchino Del Regno * <angelogioacchino.delregno@somainline.org> */ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/of_device.h> #include <linux/of_graph.h> #include <linux/regulator/consumer.h> #include <drm/drm_connector.h> #include <drm/drm_crtc.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_modes.h> #include <drm/drm_panel.h> #define MCS_CMD_MAUCCTR 0xf0 /* Manufacturer command enable */ #define MCS_PARAM_SCALER_FUNCTION 0x58 /* Scale-up function */ #define MCS_PARAM_SCALEUP_MODE 0xc9 #define MCS_SCALEUP_SIMPLE 0x0 #define MCS_SCALEUP_BILINEAR BIT(0) #define MCS_SCALEUP_DUPLICATE (BIT(0) | BIT(4)) /* VESA Display Stream Compression param */ #define MCS_PARAM_VESA_DSC_ON 0x03 /* Data Compression mode */ #define MCS_PARAM_DATA_COMPRESSION 0x90 #define MCS_DATA_COMPRESSION_NONE 0x00 #define MCS_DATA_COMPRESSION_FBC 0x02 #define MCS_DATA_COMPRESSION_DSC 0x03 /* Display Output control */ #define MCS_PARAM_DISP_OUTPUT_CTRL 0xb4 #define MCS_DISP_OUT_SRAM_EN BIT(0) #define MCS_DISP_OUT_VIDEO_MODE BIT(4) /* VESA Display Stream Compression setting */ #define MCS_PARAM_VESA_DSC_SETTING 0xc0 /* SubPixel Rendering (SPR) */ #define MCS_PARAM_SPR_EN 0xe3 #define MCS_PARAM_SPR_MODE 0xef #define MCS_SPR_MODE_YYG_RAINBOW_RGB 0x01 #define NT35950_VREG_MAX 4 struct nt35950 { struct drm_panel panel; struct drm_connector *connector; struct mipi_dsi_device *dsi[2]; struct regulator_bulk_data vregs[NT35950_VREG_MAX]; struct gpio_desc *reset_gpio; const struct nt35950_panel_desc *desc; int cur_mode; u8 last_page; bool prepared; }; struct nt35950_panel_mode { const struct drm_display_mode mode; bool enable_sram; bool is_video_mode; u8 scaler_on; u8 scaler_mode; u8 compression; u8 spr_en; u8 spr_mode; }; struct nt35950_panel_desc { const char *model_name; const struct mipi_dsi_device_info dsi_info; const struct nt35950_panel_mode *mode_data; bool is_dual_dsi; u8 num_lanes; u8 num_modes; }; static inline struct nt35950 *to_nt35950(struct drm_panel *panel) { return container_of(panel, struct nt35950, panel); } #define dsi_dcs_write_seq(dsi, seq...) do { \ static const u8 d[] = { seq }; \ int ret; \ ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \ if (ret < 0) \ return ret; \ } while (0) static void nt35950_reset(struct nt35950 *nt) { gpiod_set_value_cansleep(nt->reset_gpio, 1); usleep_range(12000, 13000); gpiod_set_value_cansleep(nt->reset_gpio, 0); usleep_range(300, 400); gpiod_set_value_cansleep(nt->reset_gpio, 1); usleep_range(12000, 13000); } /* * nt35950_set_cmd2_page - Select manufacturer control (CMD2) page * @nt: Main driver structure * @page: Page number (0-7) * * Return: Number of transferred bytes or negative number on error */ static int nt35950_set_cmd2_page(struct nt35950 *nt, u8 page) { const u8 mauc_cmd2_page[] = { MCS_CMD_MAUCCTR, 0x55, 0xaa, 0x52, 0x08, page }; int ret; ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], mauc_cmd2_page, ARRAY_SIZE(mauc_cmd2_page)); if (ret < 0) return ret; nt->last_page = page; return 0; } /* * nt35950_set_data_compression - Set data compression mode * @nt: Main driver structure * @comp_mode: Compression mode * * Return: Number of transferred bytes or negative number on error */ static int nt35950_set_data_compression(struct nt35950 *nt, u8 comp_mode) { u8 cmd_data_compression[] = { MCS_PARAM_DATA_COMPRESSION, comp_mode }; u8 cmd_vesa_dsc_on[] = { MCS_PARAM_VESA_DSC_ON, !!comp_mode }; u8 cmd_vesa_dsc_setting[] = { MCS_PARAM_VESA_DSC_SETTING, 0x03 }; u8 last_page = nt->last_page; int ret; /* Set CMD2 Page 0 if we're not there yet */ if (last_page != 0) { ret = nt35950_set_cmd2_page(nt, 0); if (ret < 0) return ret; } ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_data_compression, ARRAY_SIZE(cmd_data_compression)); if (ret < 0) return ret; ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_vesa_dsc_on, ARRAY_SIZE(cmd_vesa_dsc_on)); if (ret < 0) return ret; /* Set the vesa dsc setting on Page 4 */ ret = nt35950_set_cmd2_page(nt, 4); if (ret < 0) return ret; /* Display Stream Compression setting, always 0x03 */ ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_vesa_dsc_setting, ARRAY_SIZE(cmd_vesa_dsc_setting)); if (ret < 0) return ret; /* Get back to the previously set page */ return nt35950_set_cmd2_page(nt, last_page); } /* * nt35950_set_scaler - Enable/disable resolution upscaling * @nt: Main driver structure * @scale_up: Scale up function control * * Return: Number of transferred bytes or negative number on error */ static int nt35950_set_scaler(struct nt35950 *nt, u8 scale_up) { u8 cmd_scaler[] = { MCS_PARAM_SCALER_FUNCTION, scale_up }; return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_scaler, ARRAY_SIZE(cmd_scaler)); } /* * nt35950_set_scale_mode - Resolution upscaling mode * @nt: Main driver structure * @mode: Scaler mode (MCS_DATA_COMPRESSION_*) * * Return: Number of transferred bytes or negative number on error */ static int nt35950_set_scale_mode(struct nt35950 *nt, u8 mode) { u8 cmd_scaler[] = { MCS_PARAM_SCALEUP_MODE, mode }; return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_scaler, ARRAY_SIZE(cmd_scaler)); } /* * nt35950_inject_black_image - Display a completely black image * @nt: Main driver structure * * After IC setup, the attached panel may show random data * due to driveric behavior changes (resolution, compression, * scaling, etc). This function, called after parameters setup, * makes the driver ic to output a completely black image to * the display. * It makes sense to push a black image before sending the sleep-out * and display-on commands. * * Return: Number of transferred bytes or negative number on error */ static int nt35950_inject_black_image(struct nt35950 *nt) { const u8 cmd0_black_img[] = { 0x6f, 0x01 }; const u8 cmd1_black_img[] = { 0xf3, 0x10 }; u8 cmd_test[] = { 0xff, 0xaa, 0x55, 0xa5, 0x80 }; int ret; /* Enable test command */ ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_test, ARRAY_SIZE(cmd_test)); if (ret < 0) return ret; /* Send a black image */ ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd0_black_img, ARRAY_SIZE(cmd0_black_img)); if (ret < 0) return ret; ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd1_black_img, ARRAY_SIZE(cmd1_black_img)); if (ret < 0) return ret; /* Disable test command */ cmd_test[ARRAY_SIZE(cmd_test) - 1] = 0x00; return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_test, ARRAY_SIZE(cmd_test)); } /* * nt35950_set_dispout - Set Display Output register parameters * @nt: Main driver structure * * Return: Number of transferred bytes or negative number on error */ static int nt35950_set_dispout(struct nt35950 *nt) { u8 cmd_dispout[] = { MCS_PARAM_DISP_OUTPUT_CTRL, 0x00 }; const struct nt35950_panel_mode *mode_data = nt->desc->mode_data; if (mode_data[nt->cur_mode].is_video_mode) cmd_dispout[1] |= MCS_DISP_OUT_VIDEO_MODE; if (mode_data[nt->cur_mode].enable_sram) cmd_dispout[1] |= MCS_DISP_OUT_SRAM_EN; return mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_dispout, ARRAY_SIZE(cmd_dispout)); } static int nt35950_get_current_mode(struct nt35950 *nt) { struct drm_connector *connector = nt->connector; struct drm_crtc_state *crtc_state; int i; /* Return the default (first) mode if no info available yet */ if (!connector->state || !connector->state->crtc) return 0; crtc_state = connector->state->crtc->state; for (i = 0; i < nt->desc->num_modes; i++) { if (drm_mode_match(&crtc_state->mode, &nt->desc->mode_data[i].mode, DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_CLOCK)) return i; } return 0; } static int nt35950_on(struct nt35950 *nt) { const struct nt35950_panel_mode *mode_data = nt->desc->mode_data; struct mipi_dsi_device *dsi = nt->dsi[0]; struct device *dev = &dsi->dev; int ret; nt->cur_mode = nt35950_get_current_mode(nt); nt->dsi[0]->mode_flags |= MIPI_DSI_MODE_LPM; nt->dsi[1]->mode_flags |= MIPI_DSI_MODE_LPM; ret = nt35950_set_cmd2_page(nt, 0); if (ret < 0) return ret; ret = nt35950_set_data_compression(nt, mode_data[nt->cur_mode].compression); if (ret < 0) return ret; ret = nt35950_set_scale_mode(nt, mode_data[nt->cur_mode].scaler_mode); if (ret < 0) return ret; ret = nt35950_set_scaler(nt, mode_data[nt->cur_mode].scaler_on); if (ret < 0) return ret; ret = nt35950_set_dispout(nt); if (ret < 0) return ret; ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK); if (ret < 0) { dev_err(dev, "Failed to set tear on: %d\n", ret); return ret; } ret = mipi_dsi_dcs_set_tear_scanline(dsi, 0); if (ret < 0) { dev_err(dev, "Failed to set tear scanline: %d\n", ret); return ret; } /* CMD2 Page 1 */ ret = nt35950_set_cmd2_page(nt, 1); if (ret < 0) return ret; /* Unknown command */ dsi_dcs_write_seq(dsi, 0xd4, 0x88, 0x88); /* CMD2 Page 7 */ ret = nt35950_set_cmd2_page(nt, 7); if (ret < 0) return ret; /* Enable SubPixel Rendering */ dsi_dcs_write_seq(dsi, MCS_PARAM_SPR_EN, 0x01); /* SPR Mode: YYG Rainbow-RGB */ dsi_dcs_write_seq(dsi, MCS_PARAM_SPR_MODE, MCS_SPR_MODE_YYG_RAINBOW_RGB); /* CMD3 */ ret = nt35950_inject_black_image(nt); if (ret < 0) return ret; ret = mipi_dsi_dcs_exit_sleep_mode(dsi); if (ret < 0) return ret; msleep(120); ret = mipi_dsi_dcs_set_display_on(dsi); if (ret < 0) return ret; msleep(120); nt->dsi[0]->mode_flags &= ~MIPI_DSI_MODE_LPM; nt->dsi[1]->mode_flags &= ~MIPI_DSI_MODE_LPM; return 0; } static int nt35950_off(struct nt35950 *nt) { struct device *dev = &nt->dsi[0]->dev; int ret; ret = mipi_dsi_dcs_set_display_off(nt->dsi[0]); if (ret < 0) { dev_err(dev, "Failed to set display off: %d\n", ret); goto set_lpm; } usleep_range(10000, 11000); ret = mipi_dsi_dcs_enter_sleep_mode(nt->dsi[0]); if (ret < 0) { dev_err(dev, "Failed to enter sleep mode: %d\n", ret); goto set_lpm; } msleep(150); set_lpm: nt->dsi[0]->mode_flags |= MIPI_DSI_MODE_LPM; nt->dsi[1]->mode_flags |= MIPI_DSI_MODE_LPM; return 0; } static int nt35950_sharp_init_vregs(struct nt35950 *nt, struct device *dev) { int ret; nt->vregs[0].supply = "vddio"; nt->vregs[1].supply = "avdd"; nt->vregs[2].supply = "avee"; nt->vregs[3].supply = "dvdd"; ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(nt->vregs), nt->vregs); if (ret < 0) return ret; ret = regulator_is_supported_voltage(nt->vregs[0].consumer, 1750000, 1950000); if (!ret) return -EINVAL; ret = regulator_is_supported_voltage(nt->vregs[1].consumer, 5200000, 5900000); if (!ret) return -EINVAL; /* AVEE is negative: -5.90V to -5.20V */ ret = regulator_is_supported_voltage(nt->vregs[2].consumer, 5200000, 5900000); if (!ret) return -EINVAL; ret = regulator_is_supported_voltage(nt->vregs[3].consumer, 1300000, 1400000); if (!ret) return -EINVAL; return 0; } static int nt35950_prepare(struct drm_panel *panel) { struct nt35950 *nt = to_nt35950(panel); struct device *dev = &nt->dsi[0]->dev; int ret; if (nt->prepared) return 0; ret = regulator_enable(nt->vregs[0].consumer); if (ret) return ret; usleep_range(2000, 5000); ret = regulator_enable(nt->vregs[3].consumer); if (ret) goto end; usleep_range(15000, 18000); ret = regulator_enable(nt->vregs[1].consumer); if (ret) goto end; ret = regulator_enable(nt->vregs[2].consumer); if (ret) goto end; usleep_range(12000, 13000); nt35950_reset(nt); ret = nt35950_on(nt); if (ret < 0) { dev_err(dev, "Failed to initialize panel: %d\n", ret); goto end; } nt->prepared = true; end: if (ret < 0) { regulator_bulk_disable(ARRAY_SIZE(nt->vregs), nt->vregs); return ret; } return 0; } static int nt35950_unprepare(struct drm_panel *panel) { struct nt35950 *nt = to_nt35950(panel); struct device *dev = &nt->dsi[0]->dev; int ret; if (!nt->prepared) return 0; ret = nt35950_off(nt); if (ret < 0) dev_err(dev, "Failed to deinitialize panel: %d\n", ret); gpiod_set_value_cansleep(nt->reset_gpio, 0); regulator_bulk_disable(ARRAY_SIZE(nt->vregs), nt->vregs); nt->prepared = false; return 0; } static int nt35950_get_modes(struct drm_panel *panel, struct drm_connector *connector) { struct nt35950 *nt = to_nt35950(panel); int i; for (i = 0; i < nt->desc->num_modes; i++) { struct drm_display_mode *mode; mode = drm_mode_duplicate(connector->dev, &nt->desc->mode_data[i].mode); if (!mode) return -ENOMEM; drm_mode_set_name(mode); mode->type |= DRM_MODE_TYPE_DRIVER; if (nt->desc->num_modes == 1) mode->type |= DRM_MODE_TYPE_PREFERRED; drm_mode_probed_add(connector, mode); } connector->display_info.bpc = 8; connector->display_info.height_mm = nt->desc->mode_data[0].mode.height_mm; connector->display_info.width_mm = nt->desc->mode_data[0].mode.width_mm; nt->connector = connector; return nt->desc->num_modes; } static const struct drm_panel_funcs nt35950_panel_funcs = { .prepare = nt35950_prepare, .unprepare = nt35950_unprepare, .get_modes = nt35950_get_modes, }; static int nt35950_probe(struct mipi_dsi_device *dsi) { struct device *dev = &dsi->dev; struct device_node *dsi_r; struct mipi_dsi_host *dsi_r_host; struct nt35950 *nt; const struct mipi_dsi_device_info *info; int i, num_dsis = 1, ret; nt = devm_kzalloc(dev, sizeof(*nt), GFP_KERNEL); if (!nt) return -ENOMEM; ret = nt35950_sharp_init_vregs(nt, dev); if (ret) return dev_err_probe(dev, ret, "Regulator init failure.\n"); nt->desc = of_device_get_match_data(dev); if (!nt->desc) return -ENODEV; nt->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_ASIS); if (IS_ERR(nt->reset_gpio)) { return dev_err_probe(dev, PTR_ERR(nt->reset_gpio), "Failed to get reset gpio\n"); } /* If the panel is connected on two DSIs then DSI0 left, DSI1 right */ if (nt->desc->is_dual_dsi) { info = &nt->desc->dsi_info; dsi_r = of_graph_get_remote_node(dsi->dev.of_node, 1, -1); if (!dsi_r) { dev_err(dev, "Cannot get secondary DSI node.\n"); return -ENODEV; } dsi_r_host = of_find_mipi_dsi_host_by_node(dsi_r); of_node_put(dsi_r); if (!dsi_r_host) { dev_err(dev, "Cannot get secondary DSI host\n"); return -EPROBE_DEFER; } nt->dsi[1] = mipi_dsi_device_register_full(dsi_r_host, info); if (!nt->dsi[1]) { dev_err(dev, "Cannot get secondary DSI node\n"); return -ENODEV; } num_dsis++; } nt->dsi[0] = dsi; mipi_dsi_set_drvdata(dsi, nt); drm_panel_init(&nt->panel, dev, &nt35950_panel_funcs, DRM_MODE_CONNECTOR_DSI); ret = drm_panel_of_backlight(&nt->panel); if (ret) { if (num_dsis == 2) mipi_dsi_device_unregister(nt->dsi[1]); return dev_err_probe(dev, ret, "Failed to get backlight\n"); } drm_panel_add(&nt->panel); for (i = 0; i < num_dsis; i++) { nt->dsi[i]->lanes = nt->desc->num_lanes; nt->dsi[i]->format = MIPI_DSI_FMT_RGB888; nt->dsi[i]->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM; if (nt->desc->mode_data[0].is_video_mode) nt->dsi[i]->mode_flags |= MIPI_DSI_MODE_VIDEO; ret = mipi_dsi_attach(nt->dsi[i]); if (ret < 0) { /* If we fail to attach to either host, we're done */ if (num_dsis == 2) mipi_dsi_device_unregister(nt->dsi[1]); return dev_err_probe(dev, ret, "Cannot attach to DSI%d host.\n", i); } } /* Make sure to set RESX LOW before starting the power-on sequence */ gpiod_set_value_cansleep(nt->reset_gpio, 0); return 0; } static void nt35950_remove(struct mipi_dsi_device *dsi) { struct nt35950 *nt = mipi_dsi_get_drvdata(dsi); int ret; ret = mipi_dsi_detach(nt->dsi[0]); if (ret < 0) dev_err(&dsi->dev, "Failed to detach from DSI0 host: %d\n", ret); if (nt->dsi[1]) { ret = mipi_dsi_detach(nt->dsi[1]); if (ret < 0) dev_err(&dsi->dev, "Failed to detach from DSI1 host: %d\n", ret); mipi_dsi_device_unregister(nt->dsi[1]); } drm_panel_remove(&nt->panel); } static const struct nt35950_panel_mode sharp_ls055d1sx04_modes[] = { { /* 1920x1080 60Hz no compression */ .mode = { .clock = 214537, .hdisplay = 1080, .hsync_start = 1080 + 400, .hsync_end = 1080 + 400 + 40, .htotal = 1080 + 400 + 40 + 300, .vdisplay = 1920, .vsync_start = 1920 + 12, .vsync_end = 1920 + 12 + 2, .vtotal = 1920 + 12 + 2 + 10, .width_mm = 68, .height_mm = 121, }, .compression = MCS_DATA_COMPRESSION_NONE, .enable_sram = true, .is_video_mode = false, .scaler_on = 1, .scaler_mode = MCS_SCALEUP_DUPLICATE, }, /* TODO: Add 2160x3840 60Hz when DSC is supported */ }; static const struct nt35950_panel_desc sharp_ls055d1sx04 = { .model_name = "Sharp LS055D1SX04", .dsi_info = { .type = "LS055D1SX04", .channel = 0, .node = NULL, }, .mode_data = sharp_ls055d1sx04_modes, .num_modes = ARRAY_SIZE(sharp_ls055d1sx04_modes), .is_dual_dsi = true, .num_lanes = 4, }; static const struct of_device_id nt35950_of_match[] = { { .compatible = "sharp,ls055d1sx04", .data = &sharp_ls055d1sx04 }, { } }; MODULE_DEVICE_TABLE(of, nt35950_of_match); static struct mipi_dsi_driver nt35950_driver = { .probe = nt35950_probe, .remove = nt35950_remove, .driver = { .name = "panel-novatek-nt35950", .of_match_table = nt35950_of_match, }, }; module_mipi_dsi_driver(nt35950_driver); MODULE_AUTHOR("AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>"); MODULE_DESCRIPTION("Novatek NT35950 DriverIC panels driver"); MODULE_LICENSE("GPL v2"); |