forked from ~ljy/RK356X_SDK_RELEASE

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hc
2023-12-06 08f87f769b595151be1afeff53e144f543faa614 
 kernel/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
....@@ -3,7 +3,6 @@
33  * Copyright (C) 2017-2018, Bootlin
44  */
55 
6
-#include <linux/backlight.h>
76 #include <linux/delay.h>
87 #include <linux/device.h>
98 #include <linux/err.h>
....@@ -11,6 +10,7 @@
1110 #include <linux/fb.h>
1211 #include <linux/kernel.h>
1312 #include <linux/module.h>
13
+#include <linux/of_device.h>
1414 
1515 #include <linux/gpio/consumer.h>
1616 #include <linux/regulator/consumer.h>
....@@ -20,15 +20,6 @@
2020 #include <drm/drm_panel.h>
2121 
2222 #include <video/mipi_display.h>
23
-
24
-struct ili9881c {
25
-	struct drm_panel	panel;
26
-	struct mipi_dsi_device	*dsi;
27
-
28
-	struct backlight_device *backlight;
29
-	struct regulator	*power;
30
-	struct gpio_desc	*reset;
31
-};
3223 
3324 enum ili9881c_op {
3425 	ILI9881C_SWITCH_PAGE,
....@@ -45,6 +36,21 @@
4536 		} cmd;
4637 		u8	page;
4738 	} arg;
39
+};
40
+
41
+struct ili9881c_desc {
42
+	const struct ili9881c_instr *init;
43
+	const size_t init_length;
44
+	const struct drm_display_mode *mode;
45
+};
46
+
47
+struct ili9881c {
48
+	struct drm_panel	panel;
49
+	struct mipi_dsi_device	*dsi;
50
+	const struct ili9881c_desc	*desc;
51
+
52
+	struct regulator	*power;
53
+	struct gpio_desc	*reset;
4854 };
4955 
5056 #define ILI9881C_SWITCH_PAGE_INSTR(_page)	\
....@@ -66,7 +72,7 @@
6672 		},					\
6773 	}
6874 
69
-static const struct ili9881c_instr ili9881c_init[] = {
75
+static const struct ili9881c_instr lhr050h41_init[] = {
7076 	ILI9881C_SWITCH_PAGE_INSTR(3),
7177 	ILI9881C_COMMAND_INSTR(0x01, 0x00),
7278 	ILI9881C_COMMAND_INSTR(0x02, 0x00),
....@@ -254,6 +260,199 @@
254260 	ILI9881C_COMMAND_INSTR(0xD3, 0x3F),
255261 };
256262 
263
+static const struct ili9881c_instr k101_im2byl02_init[] = {
264
+	ILI9881C_SWITCH_PAGE_INSTR(3),
265
+	ILI9881C_COMMAND_INSTR(0x01, 0x00),
266
+	ILI9881C_COMMAND_INSTR(0x02, 0x00),
267
+	ILI9881C_COMMAND_INSTR(0x03, 0x73),
268
+	ILI9881C_COMMAND_INSTR(0x04, 0x00),
269
+	ILI9881C_COMMAND_INSTR(0x05, 0x00),
270
+	ILI9881C_COMMAND_INSTR(0x06, 0x08),
271
+	ILI9881C_COMMAND_INSTR(0x07, 0x00),
272
+	ILI9881C_COMMAND_INSTR(0x08, 0x00),
273
+	ILI9881C_COMMAND_INSTR(0x09, 0x00),
274
+	ILI9881C_COMMAND_INSTR(0x0A, 0x01),
275
+	ILI9881C_COMMAND_INSTR(0x0B, 0x01),
276
+	ILI9881C_COMMAND_INSTR(0x0C, 0x00),
277
+	ILI9881C_COMMAND_INSTR(0x0D, 0x01),
278
+	ILI9881C_COMMAND_INSTR(0x0E, 0x01),
279
+	ILI9881C_COMMAND_INSTR(0x0F, 0x00),
280
+	ILI9881C_COMMAND_INSTR(0x10, 0x00),
281
+	ILI9881C_COMMAND_INSTR(0x11, 0x00),
282
+	ILI9881C_COMMAND_INSTR(0x12, 0x00),
283
+	ILI9881C_COMMAND_INSTR(0x13, 0x00),
284
+	ILI9881C_COMMAND_INSTR(0x14, 0x00),
285
+	ILI9881C_COMMAND_INSTR(0x15, 0x00),
286
+	ILI9881C_COMMAND_INSTR(0x16, 0x00),
287
+	ILI9881C_COMMAND_INSTR(0x17, 0x00),
288
+	ILI9881C_COMMAND_INSTR(0x18, 0x00),
289
+	ILI9881C_COMMAND_INSTR(0x19, 0x00),
290
+	ILI9881C_COMMAND_INSTR(0x1A, 0x00),
291
+	ILI9881C_COMMAND_INSTR(0x1B, 0x00),
292
+	ILI9881C_COMMAND_INSTR(0x1C, 0x00),
293
+	ILI9881C_COMMAND_INSTR(0x1D, 0x00),
294
+	ILI9881C_COMMAND_INSTR(0x1E, 0x40),
295
+	ILI9881C_COMMAND_INSTR(0x1F, 0xC0),
296
+	ILI9881C_COMMAND_INSTR(0x20, 0x06),
297
+	ILI9881C_COMMAND_INSTR(0x21, 0x01),
298
+	ILI9881C_COMMAND_INSTR(0x22, 0x06),
299
+	ILI9881C_COMMAND_INSTR(0x23, 0x01),
300
+	ILI9881C_COMMAND_INSTR(0x24, 0x88),
301
+	ILI9881C_COMMAND_INSTR(0x25, 0x88),
302
+	ILI9881C_COMMAND_INSTR(0x26, 0x00),
303
+	ILI9881C_COMMAND_INSTR(0x27, 0x00),
304
+	ILI9881C_COMMAND_INSTR(0x28, 0x3B),
305
+	ILI9881C_COMMAND_INSTR(0x29, 0x03),
306
+	ILI9881C_COMMAND_INSTR(0x2A, 0x00),
307
+	ILI9881C_COMMAND_INSTR(0x2B, 0x00),
308
+	ILI9881C_COMMAND_INSTR(0x2C, 0x00),
309
+	ILI9881C_COMMAND_INSTR(0x2D, 0x00),
310
+	ILI9881C_COMMAND_INSTR(0x2E, 0x00),
311
+	ILI9881C_COMMAND_INSTR(0x2F, 0x00),
312
+	ILI9881C_COMMAND_INSTR(0x30, 0x00),
313
+	ILI9881C_COMMAND_INSTR(0x31, 0x00),
314
+	ILI9881C_COMMAND_INSTR(0x32, 0x00),
315
+	ILI9881C_COMMAND_INSTR(0x33, 0x00),
316
+	ILI9881C_COMMAND_INSTR(0x34, 0x00), /* GPWR1/2 non overlap time 2.62us */
317
+	ILI9881C_COMMAND_INSTR(0x35, 0x00),
318
+	ILI9881C_COMMAND_INSTR(0x36, 0x00),
319
+	ILI9881C_COMMAND_INSTR(0x37, 0x00),
320
+	ILI9881C_COMMAND_INSTR(0x38, 0x00),
321
+	ILI9881C_COMMAND_INSTR(0x39, 0x00),
322
+	ILI9881C_COMMAND_INSTR(0x3A, 0x00),
323
+	ILI9881C_COMMAND_INSTR(0x3B, 0x00),
324
+	ILI9881C_COMMAND_INSTR(0x3C, 0x00),
325
+	ILI9881C_COMMAND_INSTR(0x3D, 0x00),
326
+	ILI9881C_COMMAND_INSTR(0x3E, 0x00),
327
+	ILI9881C_COMMAND_INSTR(0x3F, 0x00),
328
+	ILI9881C_COMMAND_INSTR(0x40, 0x00),
329
+	ILI9881C_COMMAND_INSTR(0x41, 0x00),
330
+	ILI9881C_COMMAND_INSTR(0x42, 0x00),
331
+	ILI9881C_COMMAND_INSTR(0x43, 0x00),
332
+	ILI9881C_COMMAND_INSTR(0x44, 0x00),
333
+	ILI9881C_COMMAND_INSTR(0x50, 0x01),
334
+	ILI9881C_COMMAND_INSTR(0x51, 0x23),
335
+	ILI9881C_COMMAND_INSTR(0x52, 0x45),
336
+	ILI9881C_COMMAND_INSTR(0x53, 0x67),
337
+	ILI9881C_COMMAND_INSTR(0x54, 0x89),
338
+	ILI9881C_COMMAND_INSTR(0x55, 0xAB),
339
+	ILI9881C_COMMAND_INSTR(0x56, 0x01),
340
+	ILI9881C_COMMAND_INSTR(0x57, 0x23),
341
+	ILI9881C_COMMAND_INSTR(0x58, 0x45),
342
+	ILI9881C_COMMAND_INSTR(0x59, 0x67),
343
+	ILI9881C_COMMAND_INSTR(0x5A, 0x89),
344
+	ILI9881C_COMMAND_INSTR(0x5B, 0xAB),
345
+	ILI9881C_COMMAND_INSTR(0x5C, 0xCD),
346
+	ILI9881C_COMMAND_INSTR(0x5D, 0xEF),
347
+	ILI9881C_COMMAND_INSTR(0x5E, 0x00),
348
+	ILI9881C_COMMAND_INSTR(0x5F, 0x01),
349
+	ILI9881C_COMMAND_INSTR(0x60, 0x01),
350
+	ILI9881C_COMMAND_INSTR(0x61, 0x06),
351
+	ILI9881C_COMMAND_INSTR(0x62, 0x06),
352
+	ILI9881C_COMMAND_INSTR(0x63, 0x07),
353
+	ILI9881C_COMMAND_INSTR(0x64, 0x07),
354
+	ILI9881C_COMMAND_INSTR(0x65, 0x00),
355
+	ILI9881C_COMMAND_INSTR(0x66, 0x00),
356
+	ILI9881C_COMMAND_INSTR(0x67, 0x02),
357
+	ILI9881C_COMMAND_INSTR(0x68, 0x02),
358
+	ILI9881C_COMMAND_INSTR(0x69, 0x05),
359
+	ILI9881C_COMMAND_INSTR(0x6A, 0x05),
360
+	ILI9881C_COMMAND_INSTR(0x6B, 0x02),
361
+	ILI9881C_COMMAND_INSTR(0x6C, 0x0D),
362
+	ILI9881C_COMMAND_INSTR(0x6D, 0x0D),
363
+	ILI9881C_COMMAND_INSTR(0x6E, 0x0C),
364
+	ILI9881C_COMMAND_INSTR(0x6F, 0x0C),
365
+	ILI9881C_COMMAND_INSTR(0x70, 0x0F),
366
+	ILI9881C_COMMAND_INSTR(0x71, 0x0F),
367
+	ILI9881C_COMMAND_INSTR(0x72, 0x0E),
368
+	ILI9881C_COMMAND_INSTR(0x73, 0x0E),
369
+	ILI9881C_COMMAND_INSTR(0x74, 0x02),
370
+	ILI9881C_COMMAND_INSTR(0x75, 0x01),
371
+	ILI9881C_COMMAND_INSTR(0x76, 0x01),
372
+	ILI9881C_COMMAND_INSTR(0x77, 0x06),
373
+	ILI9881C_COMMAND_INSTR(0x78, 0x06),
374
+	ILI9881C_COMMAND_INSTR(0x79, 0x07),
375
+	ILI9881C_COMMAND_INSTR(0x7A, 0x07),
376
+	ILI9881C_COMMAND_INSTR(0x7B, 0x00),
377
+	ILI9881C_COMMAND_INSTR(0x7C, 0x00),
378
+	ILI9881C_COMMAND_INSTR(0x7D, 0x02),
379
+	ILI9881C_COMMAND_INSTR(0x7E, 0x02),
380
+	ILI9881C_COMMAND_INSTR(0x7F, 0x05),
381
+	ILI9881C_COMMAND_INSTR(0x80, 0x05),
382
+	ILI9881C_COMMAND_INSTR(0x81, 0x02),
383
+	ILI9881C_COMMAND_INSTR(0x82, 0x0D),
384
+	ILI9881C_COMMAND_INSTR(0x83, 0x0D),
385
+	ILI9881C_COMMAND_INSTR(0x84, 0x0C),
386
+	ILI9881C_COMMAND_INSTR(0x85, 0x0C),
387
+	ILI9881C_COMMAND_INSTR(0x86, 0x0F),
388
+	ILI9881C_COMMAND_INSTR(0x87, 0x0F),
389
+	ILI9881C_COMMAND_INSTR(0x88, 0x0E),
390
+	ILI9881C_COMMAND_INSTR(0x89, 0x0E),
391
+	ILI9881C_COMMAND_INSTR(0x8A, 0x02),
392
+	ILI9881C_SWITCH_PAGE_INSTR(4),
393
+	ILI9881C_COMMAND_INSTR(0x3B, 0xC0), /* ILI4003D sel */
394
+	ILI9881C_COMMAND_INSTR(0x6C, 0x15), /* Set VCORE voltage = 1.5V */
395
+	ILI9881C_COMMAND_INSTR(0x6E, 0x2A), /* di_pwr_reg=0 for power mode 2A, VGH clamp 18V */
396
+	ILI9881C_COMMAND_INSTR(0x6F, 0x33), /* pumping ratio VGH=5x VGL=-3x */
397
+	ILI9881C_COMMAND_INSTR(0x8D, 0x1B), /* VGL clamp -10V */
398
+	ILI9881C_COMMAND_INSTR(0x87, 0xBA), /* ESD */
399
+	ILI9881C_COMMAND_INSTR(0x3A, 0x24), /* POWER SAVING */
400
+	ILI9881C_COMMAND_INSTR(0x26, 0x76),
401
+	ILI9881C_COMMAND_INSTR(0xB2, 0xD1),
402
+	ILI9881C_SWITCH_PAGE_INSTR(1),
403
+	ILI9881C_COMMAND_INSTR(0x22, 0x0A), /* BGR, SS */
404
+	ILI9881C_COMMAND_INSTR(0x31, 0x00), /* Zigzag type3 inversion */
405
+	ILI9881C_COMMAND_INSTR(0x40, 0x53), /* ILI4003D sel */
406
+	ILI9881C_COMMAND_INSTR(0x43, 0x66),
407
+	ILI9881C_COMMAND_INSTR(0x53, 0x4C),
408
+	ILI9881C_COMMAND_INSTR(0x50, 0x87),
409
+	ILI9881C_COMMAND_INSTR(0x51, 0x82),
410
+	ILI9881C_COMMAND_INSTR(0x60, 0x15),
411
+	ILI9881C_COMMAND_INSTR(0x61, 0x01),
412
+	ILI9881C_COMMAND_INSTR(0x62, 0x0C),
413
+	ILI9881C_COMMAND_INSTR(0x63, 0x00),
414
+	ILI9881C_COMMAND_INSTR(0xA0, 0x00),
415
+	ILI9881C_COMMAND_INSTR(0xA1, 0x13), /* VP251 */
416
+	ILI9881C_COMMAND_INSTR(0xA2, 0x23), /* VP247 */
417
+	ILI9881C_COMMAND_INSTR(0xA3, 0x14), /* VP243 */
418
+	ILI9881C_COMMAND_INSTR(0xA4, 0x16), /* VP239 */
419
+	ILI9881C_COMMAND_INSTR(0xA5, 0x29), /* VP231 */
420
+	ILI9881C_COMMAND_INSTR(0xA6, 0x1E), /* VP219 */
421
+	ILI9881C_COMMAND_INSTR(0xA7, 0x1D), /* VP203 */
422
+	ILI9881C_COMMAND_INSTR(0xA8, 0x86), /* VP175 */
423
+	ILI9881C_COMMAND_INSTR(0xA9, 0x1E), /* VP144 */
424
+	ILI9881C_COMMAND_INSTR(0xAA, 0x29), /* VP111 */
425
+	ILI9881C_COMMAND_INSTR(0xAB, 0x74), /* VP80 */
426
+	ILI9881C_COMMAND_INSTR(0xAC, 0x19), /* VP52 */
427
+	ILI9881C_COMMAND_INSTR(0xAD, 0x17), /* VP36 */
428
+	ILI9881C_COMMAND_INSTR(0xAE, 0x4B), /* VP24 */
429
+	ILI9881C_COMMAND_INSTR(0xAF, 0x20), /* VP16 */
430
+	ILI9881C_COMMAND_INSTR(0xB0, 0x26), /* VP12 */
431
+	ILI9881C_COMMAND_INSTR(0xB1, 0x4C), /* VP8 */
432
+	ILI9881C_COMMAND_INSTR(0xB2, 0x5D), /* VP4 */
433
+	ILI9881C_COMMAND_INSTR(0xB3, 0x3F), /* VP0 */
434
+	ILI9881C_COMMAND_INSTR(0xC0, 0x00), /* VN255 GAMMA N */
435
+	ILI9881C_COMMAND_INSTR(0xC1, 0x13), /* VN251 */
436
+	ILI9881C_COMMAND_INSTR(0xC2, 0x23), /* VN247 */
437
+	ILI9881C_COMMAND_INSTR(0xC3, 0x14), /* VN243 */
438
+	ILI9881C_COMMAND_INSTR(0xC4, 0x16), /* VN239 */
439
+	ILI9881C_COMMAND_INSTR(0xC5, 0x29), /* VN231 */
440
+	ILI9881C_COMMAND_INSTR(0xC6, 0x1E), /* VN219 */
441
+	ILI9881C_COMMAND_INSTR(0xC7, 0x1D), /* VN203 */
442
+	ILI9881C_COMMAND_INSTR(0xC8, 0x86), /* VN175 */
443
+	ILI9881C_COMMAND_INSTR(0xC9, 0x1E), /* VN144 */
444
+	ILI9881C_COMMAND_INSTR(0xCA, 0x29), /* VN111 */
445
+	ILI9881C_COMMAND_INSTR(0xCB, 0x74), /* VN80 */
446
+	ILI9881C_COMMAND_INSTR(0xCC, 0x19), /* VN52 */
447
+	ILI9881C_COMMAND_INSTR(0xCD, 0x17), /* VN36 */
448
+	ILI9881C_COMMAND_INSTR(0xCE, 0x4B), /* VN24 */
449
+	ILI9881C_COMMAND_INSTR(0xCF, 0x20), /* VN16 */
450
+	ILI9881C_COMMAND_INSTR(0xD0, 0x26), /* VN12 */
451
+	ILI9881C_COMMAND_INSTR(0xD1, 0x4C), /* VN8 */
452
+	ILI9881C_COMMAND_INSTR(0xD2, 0x5D), /* VN4 */
453
+	ILI9881C_COMMAND_INSTR(0xD3, 0x3F), /* VN0 */
454
+};
455
+
257456 static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
258457 {
259458 	return container_of(panel, struct ili9881c, panel);
....@@ -313,8 +512,8 @@
313512 	gpiod_set_value(ctx->reset, 0);
314513 	msleep(20);
315514 
316
-	for (i = 0; i < ARRAY_SIZE(ili9881c_init); i++) {
317
-		const struct ili9881c_instr *instr = &ili9881c_init[i];
515
+	for (i = 0; i < ctx->desc->init_length; i++) {
516
+		const struct ili9881c_instr *instr = &ctx->desc->init[i];
318517 
319518 		if (instr->op == ILI9881C_SWITCH_PAGE)
320519 			ret = ili9881c_switch_page(ctx, instr->arg.page);
....@@ -348,7 +547,6 @@
348547 	msleep(120);
349548 
350549 	mipi_dsi_dcs_set_display_on(ctx->dsi);
351
-	backlight_enable(ctx->backlight);
352550 
353551 	return 0;
354552 }
....@@ -357,7 +555,6 @@
357555 {
358556 	struct ili9881c *ctx = panel_to_ili9881c(panel);
359557 
360
-	backlight_disable(ctx->backlight);
361558 	return mipi_dsi_dcs_set_display_off(ctx->dsi);
362559 }
363560 
....@@ -372,9 +569,8 @@
372569 	return 0;
373570 }
374571 
375
-static const struct drm_display_mode bananapi_default_mode = {
572
+static const struct drm_display_mode lhr050h41_default_mode = {
376573 	.clock		= 62000,
377
-	.vrefresh	= 60,
378574 
379575 	.hdisplay	= 720,
380576 	.hsync_start	= 720 + 10,
....@@ -385,20 +581,40 @@
385581 	.vsync_start	= 1280 + 10,
386582 	.vsync_end	= 1280 + 10 + 10,
387583 	.vtotal		= 1280 + 10 + 10 + 20,
584
+
585
+	.width_mm	= 62,
586
+	.height_mm	= 110,
388587 };
389588 
390
-static int ili9881c_get_modes(struct drm_panel *panel)
589
+static const struct drm_display_mode k101_im2byl02_default_mode = {
590
+	.clock		= 69700,
591
+
592
+	.hdisplay	= 800,
593
+	.hsync_start	= 800 + 52,
594
+	.hsync_end	= 800 + 52 + 8,
595
+	.htotal		= 800 + 52 + 8 + 48,
596
+
597
+	.vdisplay	= 1280,
598
+	.vsync_start	= 1280 + 16,
599
+	.vsync_end	= 1280 + 16 + 6,
600
+	.vtotal		= 1280 + 16 + 6 + 15,
601
+
602
+	.width_mm	= 135,
603
+	.height_mm	= 217,
604
+};
605
+
606
+static int ili9881c_get_modes(struct drm_panel *panel,
607
+			      struct drm_connector *connector)
391608 {
392
-	struct drm_connector *connector = panel->connector;
393609 	struct ili9881c *ctx = panel_to_ili9881c(panel);
394610 	struct drm_display_mode *mode;
395611 
396
-	mode = drm_mode_duplicate(panel->drm, &bananapi_default_mode);
612
+	mode = drm_mode_duplicate(connector->dev, ctx->desc->mode);
397613 	if (!mode) {
398614 		dev_err(&ctx->dsi->dev, "failed to add mode %ux%ux@%u\n",
399
-			bananapi_default_mode.hdisplay,
400
-			bananapi_default_mode.vdisplay,
401
-			bananapi_default_mode.vrefresh);
615
+			ctx->desc->mode->hdisplay,
616
+			ctx->desc->mode->vdisplay,
617
+			drm_mode_vrefresh(ctx->desc->mode));
402618 		return -ENOMEM;
403619 	}
404620 
....@@ -407,8 +623,8 @@
407623 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
408624 	drm_mode_probed_add(connector, mode);
409625 
410
-	panel->connector->display_info.width_mm = 62;
411
-	panel->connector->display_info.height_mm = 110;
626
+	connector->display_info.width_mm = mode->width_mm;
627
+	connector->display_info.height_mm = mode->height_mm;
412628 
413629 	return 1;
414630 }
....@@ -423,7 +639,6 @@
423639 
424640 static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi)
425641 {
426
-	struct device_node *np;
427642 	struct ili9881c *ctx;
428643 	int ret;
429644 
....@@ -432,10 +647,10 @@
432647 		return -ENOMEM;
433648 	mipi_dsi_set_drvdata(dsi, ctx);
434649 	ctx->dsi = dsi;
650
+	ctx->desc = of_device_get_match_data(&dsi->dev);
435651 
436
-	drm_panel_init(&ctx->panel);
437
-	ctx->panel.dev = &dsi->dev;
438
-	ctx->panel.funcs = &ili9881c_funcs;
652
+	drm_panel_init(&ctx->panel, &dsi->dev, &ili9881c_funcs,
653
+		       DRM_MODE_CONNECTOR_DSI);
439654 
440655 	ctx->power = devm_regulator_get(&dsi->dev, "power");
441656 	if (IS_ERR(ctx->power)) {
....@@ -449,18 +664,11 @@
449664 		return PTR_ERR(ctx->reset);
450665 	}
451666 
452
-	np = of_parse_phandle(dsi->dev.of_node, "backlight", 0);
453
-	if (np) {
454
-		ctx->backlight = of_find_backlight_by_node(np);
455
-		of_node_put(np);
456
-
457
-		if (!ctx->backlight)
458
-			return -EPROBE_DEFER;
459
-	}
460
-
461
-	ret = drm_panel_add(&ctx->panel);
462
-	if (ret < 0)
667
+	ret = drm_panel_of_backlight(&ctx->panel);
668
+	if (ret)
463669 		return ret;
670
+
671
+	drm_panel_add(&ctx->panel);
464672 
465673 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
466674 	dsi->format = MIPI_DSI_FMT_RGB888;
....@@ -476,14 +684,24 @@
476684 	mipi_dsi_detach(dsi);
477685 	drm_panel_remove(&ctx->panel);
478686 
479
-	if (ctx->backlight)
480
-		put_device(&ctx->backlight->dev);
481
-
482687 	return 0;
483688 }
484689 
690
+static const struct ili9881c_desc lhr050h41_desc = {
691
+	.init = lhr050h41_init,
692
+	.init_length = ARRAY_SIZE(lhr050h41_init),
693
+	.mode = &lhr050h41_default_mode,
694
+};
695
+
696
+static const struct ili9881c_desc k101_im2byl02_desc = {
697
+	.init = k101_im2byl02_init,
698
+	.init_length = ARRAY_SIZE(k101_im2byl02_init),
699
+	.mode = &k101_im2byl02_default_mode,
700
+};
701
+
485702 static const struct of_device_id ili9881c_of_match[] = {
486
-	{ .compatible = "bananapi,lhr050h41" },
703
+	{ .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc },
704
+	{ .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc },
487705 	{ }
488706 };
489707 MODULE_DEVICE_TABLE(of, ili9881c_of_match);