1 /*
2  * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  */
9 
10 #include <linux/backlight.h>
11 #include <linux/gpio/consumer.h>
12 #include <linux/module.h>
13 #include <linux/of.h>
14 #include <linux/of_device.h>
15 #include <linux/regulator/consumer.h>
16 
17 #include <drm/drmP.h>
18 #include <drm/drm_crtc.h>
19 #include <drm/drm_mipi_dsi.h>
20 #include <drm/drm_panel.h>
21 
22 #include <video/mipi_display.h>
23 
24 struct panel_init_cmd {
25 	size_t len;
26 	const char *data;
27 };
28 
29 #define _INIT_CMD(...) { \
30 	.len = sizeof((char[]){__VA_ARGS__}), \
31 	.data = (char[]){__VA_ARGS__} }
32 
33 struct panel_desc {
34 	const struct drm_display_mode *mode;
35 	unsigned int bpc;
36 	struct {
37 		unsigned int width;
38 		unsigned int height;
39 	} size;
40 
41 	unsigned long flags;
42 	enum mipi_dsi_pixel_format format;
43 	const struct panel_init_cmd *init_cmds;
44 	unsigned int lanes;
45 	const char * const *supply_names;
46 	unsigned int num_supplies;
47 	unsigned int sleep_mode_delay;
48 	unsigned int power_down_delay;
49 };
50 
51 struct innolux_panel {
52 	struct drm_panel base;
53 	struct mipi_dsi_device *link;
54 	const struct panel_desc *desc;
55 
56 	struct backlight_device *backlight;
57 	struct regulator_bulk_data *supplies;
58 	unsigned int num_supplies;
59 	struct gpio_desc *enable_gpio;
60 
61 	bool prepared;
62 	bool enabled;
63 };
64 
65 static inline struct innolux_panel *to_innolux_panel(struct drm_panel *panel)
66 {
67 	return container_of(panel, struct innolux_panel, base);
68 }
69 
70 static int innolux_panel_disable(struct drm_panel *panel)
71 {
72 	struct innolux_panel *innolux = to_innolux_panel(panel);
73 	int err;
74 
75 	if (!innolux->enabled)
76 		return 0;
77 
78 	backlight_disable(innolux->backlight);
79 
80 	err = mipi_dsi_dcs_set_display_off(innolux->link);
81 	if (err < 0)
82 		DRM_DEV_ERROR(panel->dev, "failed to set display off: %d\n",
83 			      err);
84 
85 	innolux->enabled = false;
86 
87 	return 0;
88 }
89 
90 static int innolux_panel_unprepare(struct drm_panel *panel)
91 {
92 	struct innolux_panel *innolux = to_innolux_panel(panel);
93 	int err;
94 
95 	if (!innolux->prepared)
96 		return 0;
97 
98 	err = mipi_dsi_dcs_enter_sleep_mode(innolux->link);
99 	if (err < 0) {
100 		DRM_DEV_ERROR(panel->dev, "failed to enter sleep mode: %d\n",
101 			      err);
102 		return err;
103 	}
104 
105 	if (innolux->desc->sleep_mode_delay)
106 		msleep(innolux->desc->sleep_mode_delay);
107 
108 	gpiod_set_value_cansleep(innolux->enable_gpio, 0);
109 
110 	if (innolux->desc->power_down_delay)
111 		msleep(innolux->desc->power_down_delay);
112 
113 	err = regulator_bulk_disable(innolux->desc->num_supplies,
114 				     innolux->supplies);
115 	if (err < 0)
116 		return err;
117 
118 	innolux->prepared = false;
119 
120 	return 0;
121 }
122 
123 static int innolux_panel_prepare(struct drm_panel *panel)
124 {
125 	struct innolux_panel *innolux = to_innolux_panel(panel);
126 	int err;
127 
128 	if (innolux->prepared)
129 		return 0;
130 
131 	gpiod_set_value_cansleep(innolux->enable_gpio, 0);
132 
133 	err = regulator_bulk_enable(innolux->desc->num_supplies,
134 				    innolux->supplies);
135 	if (err < 0)
136 		return err;
137 
138 	/* p079zca: t2 (20ms), p097pfg: t4 (15ms) */
139 	usleep_range(20000, 21000);
140 
141 	gpiod_set_value_cansleep(innolux->enable_gpio, 1);
142 
143 	/* p079zca: t4, p097pfg: t5 */
144 	usleep_range(20000, 21000);
145 
146 	if (innolux->desc->init_cmds) {
147 		const struct panel_init_cmd *cmds =
148 					innolux->desc->init_cmds;
149 		unsigned int i;
150 
151 		for (i = 0; cmds[i].len != 0; i++) {
152 			const struct panel_init_cmd *cmd = &cmds[i];
153 
154 			err = mipi_dsi_generic_write(innolux->link, cmd->data,
155 						     cmd->len);
156 			if (err < 0) {
157 				dev_err(panel->dev,
158 					"failed to write command %u\n", i);
159 				goto poweroff;
160 			}
161 
162 			/*
163 			 * Included by random guessing, because without this
164 			 * (or at least, some delay), the panel sometimes
165 			 * didn't appear to pick up the command sequence.
166 			 */
167 			err = mipi_dsi_dcs_nop(innolux->link);
168 			if (err < 0) {
169 				dev_err(panel->dev,
170 					"failed to send DCS nop: %d\n", err);
171 				goto poweroff;
172 			}
173 		}
174 	}
175 
176 	err = mipi_dsi_dcs_exit_sleep_mode(innolux->link);
177 	if (err < 0) {
178 		DRM_DEV_ERROR(panel->dev, "failed to exit sleep mode: %d\n",
179 			      err);
180 		goto poweroff;
181 	}
182 
183 	/* T6: 120ms - 1000ms*/
184 	msleep(120);
185 
186 	err = mipi_dsi_dcs_set_display_on(innolux->link);
187 	if (err < 0) {
188 		DRM_DEV_ERROR(panel->dev, "failed to set display on: %d\n",
189 			      err);
190 		goto poweroff;
191 	}
192 
193 	/* T7: 5ms */
194 	usleep_range(5000, 6000);
195 
196 	innolux->prepared = true;
197 
198 	return 0;
199 
200 poweroff:
201 	gpiod_set_value_cansleep(innolux->enable_gpio, 0);
202 	regulator_bulk_disable(innolux->desc->num_supplies, innolux->supplies);
203 
204 	return err;
205 }
206 
207 static int innolux_panel_enable(struct drm_panel *panel)
208 {
209 	struct innolux_panel *innolux = to_innolux_panel(panel);
210 	int ret;
211 
212 	if (innolux->enabled)
213 		return 0;
214 
215 	ret = backlight_enable(innolux->backlight);
216 	if (ret) {
217 		DRM_DEV_ERROR(panel->drm->dev,
218 			      "Failed to enable backlight %d\n", ret);
219 		return ret;
220 	}
221 
222 	innolux->enabled = true;
223 
224 	return 0;
225 }
226 
227 static const char * const innolux_p079zca_supply_names[] = {
228 	"power",
229 };
230 
231 static const struct drm_display_mode innolux_p079zca_mode = {
232 	.clock = 56900,
233 	.hdisplay = 768,
234 	.hsync_start = 768 + 40,
235 	.hsync_end = 768 + 40 + 40,
236 	.htotal = 768 + 40 + 40 + 40,
237 	.vdisplay = 1024,
238 	.vsync_start = 1024 + 20,
239 	.vsync_end = 1024 + 20 + 4,
240 	.vtotal = 1024 + 20 + 4 + 20,
241 	.vrefresh = 60,
242 };
243 
244 static const struct panel_desc innolux_p079zca_panel_desc = {
245 	.mode = &innolux_p079zca_mode,
246 	.bpc = 8,
247 	.size = {
248 		.width = 120,
249 		.height = 160,
250 	},
251 	.flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
252 		 MIPI_DSI_MODE_LPM,
253 	.format = MIPI_DSI_FMT_RGB888,
254 	.lanes = 4,
255 	.supply_names = innolux_p079zca_supply_names,
256 	.num_supplies = ARRAY_SIZE(innolux_p079zca_supply_names),
257 	.power_down_delay = 80, /* T8: 80ms - 1000ms */
258 };
259 
260 static const char * const innolux_p097pfg_supply_names[] = {
261 	"avdd",
262 	"avee",
263 };
264 
265 static const struct drm_display_mode innolux_p097pfg_mode = {
266 	.clock = 229000,
267 	.hdisplay = 1536,
268 	.hsync_start = 1536 + 100,
269 	.hsync_end = 1536 + 100 + 24,
270 	.htotal = 1536 + 100 + 24 + 100,
271 	.vdisplay = 2048,
272 	.vsync_start = 2048 + 100,
273 	.vsync_end = 2048 + 100 + 2,
274 	.vtotal = 2048 + 100 + 2 + 18,
275 	.vrefresh = 60,
276 };
277 
278 /*
279  * Display manufacturer failed to provide init sequencing according to
280  * https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/892065/
281  * so the init sequence stems from a register dump of a working panel.
282  */
283 static const struct panel_init_cmd innolux_p097pfg_init_cmds[] = {
284 	/* page 0 */
285 	_INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x00),
286 	_INIT_CMD(0xB1, 0xE8, 0x11),
287 	_INIT_CMD(0xB2, 0x25, 0x02),
288 	_INIT_CMD(0xB5, 0x08, 0x00),
289 	_INIT_CMD(0xBC, 0x0F, 0x00),
290 	_INIT_CMD(0xB8, 0x03, 0x06, 0x00, 0x00),
291 	_INIT_CMD(0xBD, 0x01, 0x90, 0x14, 0x14),
292 	_INIT_CMD(0x6F, 0x01),
293 	_INIT_CMD(0xC0, 0x03),
294 	_INIT_CMD(0x6F, 0x02),
295 	_INIT_CMD(0xC1, 0x0D),
296 	_INIT_CMD(0xD9, 0x01, 0x09, 0x70),
297 	_INIT_CMD(0xC5, 0x12, 0x21, 0x00),
298 	_INIT_CMD(0xBB, 0x93, 0x93),
299 
300 	/* page 1 */
301 	_INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x01),
302 	_INIT_CMD(0xB3, 0x3C, 0x3C),
303 	_INIT_CMD(0xB4, 0x0F, 0x0F),
304 	_INIT_CMD(0xB9, 0x45, 0x45),
305 	_INIT_CMD(0xBA, 0x14, 0x14),
306 	_INIT_CMD(0xCA, 0x02),
307 	_INIT_CMD(0xCE, 0x04),
308 	_INIT_CMD(0xC3, 0x9B, 0x9B),
309 	_INIT_CMD(0xD8, 0xC0, 0x03),
310 	_INIT_CMD(0xBC, 0x82, 0x01),
311 	_INIT_CMD(0xBD, 0x9E, 0x01),
312 
313 	/* page 2 */
314 	_INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x02),
315 	_INIT_CMD(0xB0, 0x82),
316 	_INIT_CMD(0xD1, 0x00, 0x00, 0x00, 0x3E, 0x00, 0x82, 0x00, 0xA5,
317 		  0x00, 0xC1, 0x00, 0xEA, 0x01, 0x0D, 0x01, 0x40),
318 	_INIT_CMD(0xD2, 0x01, 0x6A, 0x01, 0xA8, 0x01, 0xDC, 0x02, 0x29,
319 		  0x02, 0x67, 0x02, 0x68, 0x02, 0xA8, 0x02, 0xF0),
320 	_INIT_CMD(0xD3, 0x03, 0x19, 0x03, 0x49, 0x03, 0x67, 0x03, 0x8C,
321 		  0x03, 0xA6, 0x03, 0xC7, 0x03, 0xDE, 0x03, 0xEC),
322 	_INIT_CMD(0xD4, 0x03, 0xFF, 0x03, 0xFF),
323 	_INIT_CMD(0xE0, 0x00, 0x00, 0x00, 0x86, 0x00, 0xC5, 0x00, 0xE5,
324 		  0x00, 0xFF, 0x01, 0x26, 0x01, 0x45, 0x01, 0x75),
325 	_INIT_CMD(0xE1, 0x01, 0x9C, 0x01, 0xD5, 0x02, 0x05, 0x02, 0x4D,
326 		  0x02, 0x86, 0x02, 0x87, 0x02, 0xC3, 0x03, 0x03),
327 	_INIT_CMD(0xE2, 0x03, 0x2A, 0x03, 0x56, 0x03, 0x72, 0x03, 0x94,
328 		  0x03, 0xAC, 0x03, 0xCB, 0x03, 0xE0, 0x03, 0xED),
329 	_INIT_CMD(0xE3, 0x03, 0xFF, 0x03, 0xFF),
330 
331 	/* page 3 */
332 	_INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x03),
333 	_INIT_CMD(0xB0, 0x00, 0x00, 0x00, 0x00),
334 	_INIT_CMD(0xB1, 0x00, 0x00, 0x00, 0x00),
335 	_INIT_CMD(0xB2, 0x00, 0x00, 0x06, 0x04, 0x01, 0x40, 0x85),
336 	_INIT_CMD(0xB3, 0x10, 0x07, 0xFC, 0x04, 0x01, 0x40, 0x80),
337 	_INIT_CMD(0xB6, 0xF0, 0x08, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01,
338 		  0x40, 0x80),
339 	_INIT_CMD(0xBA, 0xC5, 0x07, 0x00, 0x04, 0x11, 0x25, 0x8C),
340 	_INIT_CMD(0xBB, 0xC5, 0x07, 0x00, 0x03, 0x11, 0x25, 0x8C),
341 	_INIT_CMD(0xC0, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x80, 0x80),
342 	_INIT_CMD(0xC1, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x80, 0x80),
343 	_INIT_CMD(0xC4, 0x00, 0x00),
344 	_INIT_CMD(0xEF, 0x41),
345 
346 	/* page 4 */
347 	_INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x04),
348 	_INIT_CMD(0xEC, 0x4C),
349 
350 	/* page 5 */
351 	_INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x05),
352 	_INIT_CMD(0xB0, 0x13, 0x03, 0x03, 0x01),
353 	_INIT_CMD(0xB1, 0x30, 0x00),
354 	_INIT_CMD(0xB2, 0x02, 0x02, 0x00),
355 	_INIT_CMD(0xB3, 0x82, 0x23, 0x82, 0x9D),
356 	_INIT_CMD(0xB4, 0xC5, 0x75, 0x24, 0x57),
357 	_INIT_CMD(0xB5, 0x00, 0xD4, 0x72, 0x11, 0x11, 0xAB, 0x0A),
358 	_INIT_CMD(0xB6, 0x00, 0x00, 0xD5, 0x72, 0x24, 0x56),
359 	_INIT_CMD(0xB7, 0x5C, 0xDC, 0x5C, 0x5C),
360 	_INIT_CMD(0xB9, 0x0C, 0x00, 0x00, 0x01, 0x00),
361 	_INIT_CMD(0xC0, 0x75, 0x11, 0x11, 0x54, 0x05),
362 	_INIT_CMD(0xC6, 0x00, 0x00, 0x00, 0x00),
363 	_INIT_CMD(0xD0, 0x00, 0x48, 0x08, 0x00, 0x00),
364 	_INIT_CMD(0xD1, 0x00, 0x48, 0x09, 0x00, 0x00),
365 
366 	/* page 6 */
367 	_INIT_CMD(0xF0, 0x55, 0xAA, 0x52, 0x08, 0x06),
368 	_INIT_CMD(0xB0, 0x02, 0x32, 0x32, 0x08, 0x2F),
369 	_INIT_CMD(0xB1, 0x2E, 0x15, 0x14, 0x13, 0x12),
370 	_INIT_CMD(0xB2, 0x11, 0x10, 0x00, 0x3D, 0x3D),
371 	_INIT_CMD(0xB3, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
372 	_INIT_CMD(0xB4, 0x3D, 0x32),
373 	_INIT_CMD(0xB5, 0x03, 0x32, 0x32, 0x09, 0x2F),
374 	_INIT_CMD(0xB6, 0x2E, 0x1B, 0x1A, 0x19, 0x18),
375 	_INIT_CMD(0xB7, 0x17, 0x16, 0x01, 0x3D, 0x3D),
376 	_INIT_CMD(0xB8, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
377 	_INIT_CMD(0xB9, 0x3D, 0x32),
378 	_INIT_CMD(0xC0, 0x01, 0x32, 0x32, 0x09, 0x2F),
379 	_INIT_CMD(0xC1, 0x2E, 0x1A, 0x1B, 0x16, 0x17),
380 	_INIT_CMD(0xC2, 0x18, 0x19, 0x03, 0x3D, 0x3D),
381 	_INIT_CMD(0xC3, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
382 	_INIT_CMD(0xC4, 0x3D, 0x32),
383 	_INIT_CMD(0xC5, 0x00, 0x32, 0x32, 0x08, 0x2F),
384 	_INIT_CMD(0xC6, 0x2E, 0x14, 0x15, 0x10, 0x11),
385 	_INIT_CMD(0xC7, 0x12, 0x13, 0x02, 0x3D, 0x3D),
386 	_INIT_CMD(0xC8, 0x3D, 0x3D, 0x3D, 0x3D, 0x3D),
387 	_INIT_CMD(0xC9, 0x3D, 0x32),
388 
389 	{},
390 };
391 
392 static const struct panel_desc innolux_p097pfg_panel_desc = {
393 	.mode = &innolux_p097pfg_mode,
394 	.bpc = 8,
395 	.size = {
396 		.width = 147,
397 		.height = 196,
398 	},
399 	.flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
400 		 MIPI_DSI_MODE_LPM,
401 	.format = MIPI_DSI_FMT_RGB888,
402 	.init_cmds = innolux_p097pfg_init_cmds,
403 	.lanes = 4,
404 	.supply_names = innolux_p097pfg_supply_names,
405 	.num_supplies = ARRAY_SIZE(innolux_p097pfg_supply_names),
406 	.sleep_mode_delay = 100, /* T15 */
407 };
408 
409 static int innolux_panel_get_modes(struct drm_panel *panel)
410 {
411 	struct innolux_panel *innolux = to_innolux_panel(panel);
412 	const struct drm_display_mode *m = innolux->desc->mode;
413 	struct drm_display_mode *mode;
414 
415 	mode = drm_mode_duplicate(panel->drm, m);
416 	if (!mode) {
417 		DRM_DEV_ERROR(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
418 			      m->hdisplay, m->vdisplay, m->vrefresh);
419 		return -ENOMEM;
420 	}
421 
422 	drm_mode_set_name(mode);
423 
424 	drm_mode_probed_add(panel->connector, mode);
425 
426 	panel->connector->display_info.width_mm =
427 			innolux->desc->size.width;
428 	panel->connector->display_info.height_mm =
429 			innolux->desc->size.height;
430 	panel->connector->display_info.bpc = innolux->desc->bpc;
431 
432 	return 1;
433 }
434 
435 static const struct drm_panel_funcs innolux_panel_funcs = {
436 	.disable = innolux_panel_disable,
437 	.unprepare = innolux_panel_unprepare,
438 	.prepare = innolux_panel_prepare,
439 	.enable = innolux_panel_enable,
440 	.get_modes = innolux_panel_get_modes,
441 };
442 
443 static const struct of_device_id innolux_of_match[] = {
444 	{ .compatible = "innolux,p079zca",
445 	  .data = &innolux_p079zca_panel_desc
446 	},
447 	{ .compatible = "innolux,p097pfg",
448 	  .data = &innolux_p097pfg_panel_desc
449 	},
450 	{ }
451 };
452 MODULE_DEVICE_TABLE(of, innolux_of_match);
453 
454 static int innolux_panel_add(struct mipi_dsi_device *dsi,
455 			     const struct panel_desc *desc)
456 {
457 	struct innolux_panel *innolux;
458 	struct device *dev = &dsi->dev;
459 	int err, i;
460 
461 	innolux = devm_kzalloc(dev, sizeof(*innolux), GFP_KERNEL);
462 	if (!innolux)
463 		return -ENOMEM;
464 
465 	innolux->desc = desc;
466 
467 	innolux->supplies = devm_kcalloc(dev, desc->num_supplies,
468 					 sizeof(*innolux->supplies),
469 					 GFP_KERNEL);
470 	if (!innolux->supplies)
471 		return -ENOMEM;
472 
473 	for (i = 0; i < desc->num_supplies; i++)
474 		innolux->supplies[i].supply = desc->supply_names[i];
475 
476 	err = devm_regulator_bulk_get(dev, desc->num_supplies,
477 				      innolux->supplies);
478 	if (err < 0)
479 		return err;
480 
481 	innolux->enable_gpio = devm_gpiod_get_optional(dev, "enable",
482 						       GPIOD_OUT_HIGH);
483 	if (IS_ERR(innolux->enable_gpio)) {
484 		err = PTR_ERR(innolux->enable_gpio);
485 		dev_dbg(dev, "failed to get enable gpio: %d\n", err);
486 		innolux->enable_gpio = NULL;
487 	}
488 
489 	innolux->backlight = devm_of_find_backlight(dev);
490 	if (IS_ERR(innolux->backlight))
491 		return PTR_ERR(innolux->backlight);
492 
493 	drm_panel_init(&innolux->base);
494 	innolux->base.funcs = &innolux_panel_funcs;
495 	innolux->base.dev = dev;
496 
497 	err = drm_panel_add(&innolux->base);
498 	if (err < 0)
499 		return err;
500 
501 	mipi_dsi_set_drvdata(dsi, innolux);
502 	innolux->link = dsi;
503 
504 	return 0;
505 }
506 
507 static void innolux_panel_del(struct innolux_panel *innolux)
508 {
509 	drm_panel_remove(&innolux->base);
510 }
511 
512 static int innolux_panel_probe(struct mipi_dsi_device *dsi)
513 {
514 	const struct panel_desc *desc;
515 	int err;
516 
517 	desc = of_device_get_match_data(&dsi->dev);
518 	dsi->mode_flags = desc->flags;
519 	dsi->format = desc->format;
520 	dsi->lanes = desc->lanes;
521 
522 	err = innolux_panel_add(dsi, desc);
523 	if (err < 0)
524 		return err;
525 
526 	return mipi_dsi_attach(dsi);
527 }
528 
529 static int innolux_panel_remove(struct mipi_dsi_device *dsi)
530 {
531 	struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi);
532 	int err;
533 
534 	err = innolux_panel_unprepare(&innolux->base);
535 	if (err < 0)
536 		DRM_DEV_ERROR(&dsi->dev, "failed to unprepare panel: %d\n",
537 			      err);
538 
539 	err = innolux_panel_disable(&innolux->base);
540 	if (err < 0)
541 		DRM_DEV_ERROR(&dsi->dev, "failed to disable panel: %d\n", err);
542 
543 	err = mipi_dsi_detach(dsi);
544 	if (err < 0)
545 		DRM_DEV_ERROR(&dsi->dev, "failed to detach from DSI host: %d\n",
546 			      err);
547 
548 	innolux_panel_del(innolux);
549 
550 	return 0;
551 }
552 
553 static void innolux_panel_shutdown(struct mipi_dsi_device *dsi)
554 {
555 	struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi);
556 
557 	innolux_panel_unprepare(&innolux->base);
558 	innolux_panel_disable(&innolux->base);
559 }
560 
561 static struct mipi_dsi_driver innolux_panel_driver = {
562 	.driver = {
563 		.name = "panel-innolux-p079zca",
564 		.of_match_table = innolux_of_match,
565 	},
566 	.probe = innolux_panel_probe,
567 	.remove = innolux_panel_remove,
568 	.shutdown = innolux_panel_shutdown,
569 };
570 module_mipi_dsi_driver(innolux_panel_driver);
571 
572 MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
573 MODULE_AUTHOR("Lin Huang <hl@rock-chips.com>");
574 MODULE_DESCRIPTION("Innolux P079ZCA panel driver");
575 MODULE_LICENSE("GPL v2");
576