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c6a27fa4 LP |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* | |
3 | * rcar_lvds.c -- R-Car LVDS Encoder | |
4 | * | |
5 | * Copyright (C) 2013-2018 Renesas Electronics Corporation | |
6 | * | |
7 | * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) | |
8 | */ | |
9 | ||
10 | #include <linux/clk.h> | |
11 | #include <linux/delay.h> | |
12 | #include <linux/io.h> | |
13 | #include <linux/of.h> | |
14 | #include <linux/of_device.h> | |
15 | #include <linux/of_graph.h> | |
16 | #include <linux/platform_device.h> | |
17 | #include <linux/slab.h> | |
18 | ||
19 | #include <drm/drm_atomic.h> | |
20 | #include <drm/drm_atomic_helper.h> | |
21 | #include <drm/drm_bridge.h> | |
22 | #include <drm/drm_crtc_helper.h> | |
23 | #include <drm/drm_panel.h> | |
24 | ||
25 | #include "rcar_lvds_regs.h" | |
26 | ||
27 | /* Keep in sync with the LVDCR0.LVMD hardware register values. */ | |
28 | enum rcar_lvds_mode { | |
29 | RCAR_LVDS_MODE_JEIDA = 0, | |
30 | RCAR_LVDS_MODE_MIRROR = 1, | |
31 | RCAR_LVDS_MODE_VESA = 4, | |
32 | }; | |
33 | ||
34 | #define RCAR_LVDS_QUIRK_LANES (1 << 0) /* LVDS lanes 1 and 3 inverted */ | |
b6eb7102 SS |
35 | #define RCAR_LVDS_QUIRK_GEN2_PLLCR (1 << 1) /* LVDPLLCR has gen2 layout */ |
36 | #define RCAR_LVDS_QUIRK_GEN3_LVEN (1 << 2) /* LVEN bit needs to be set */ | |
37 | /* on R8A77970/R8A7799x */ | |
c6a27fa4 LP |
38 | |
39 | struct rcar_lvds_device_info { | |
40 | unsigned int gen; | |
41 | unsigned int quirks; | |
42 | }; | |
43 | ||
44 | struct rcar_lvds { | |
45 | struct device *dev; | |
46 | const struct rcar_lvds_device_info *info; | |
47 | ||
48 | struct drm_bridge bridge; | |
49 | ||
50 | struct drm_bridge *next_bridge; | |
51 | struct drm_connector connector; | |
52 | struct drm_panel *panel; | |
53 | ||
54 | void __iomem *mmio; | |
55 | struct clk *clock; | |
56 | bool enabled; | |
57 | ||
58 | struct drm_display_mode display_mode; | |
59 | enum rcar_lvds_mode mode; | |
60 | }; | |
61 | ||
62 | #define bridge_to_rcar_lvds(bridge) \ | |
63 | container_of(bridge, struct rcar_lvds, bridge) | |
64 | ||
65 | #define connector_to_rcar_lvds(connector) \ | |
66 | container_of(connector, struct rcar_lvds, connector) | |
67 | ||
68 | static void rcar_lvds_write(struct rcar_lvds *lvds, u32 reg, u32 data) | |
69 | { | |
70 | iowrite32(data, lvds->mmio + reg); | |
71 | } | |
72 | ||
73 | /* ----------------------------------------------------------------------------- | |
74 | * Connector & Panel | |
75 | */ | |
76 | ||
77 | static int rcar_lvds_connector_get_modes(struct drm_connector *connector) | |
78 | { | |
79 | struct rcar_lvds *lvds = connector_to_rcar_lvds(connector); | |
80 | ||
81 | return drm_panel_get_modes(lvds->panel); | |
82 | } | |
83 | ||
84 | static int rcar_lvds_connector_atomic_check(struct drm_connector *connector, | |
85 | struct drm_connector_state *state) | |
86 | { | |
87 | struct rcar_lvds *lvds = connector_to_rcar_lvds(connector); | |
88 | const struct drm_display_mode *panel_mode; | |
89 | struct drm_crtc_state *crtc_state; | |
90 | ||
643ca198 LP |
91 | if (!state->crtc) |
92 | return 0; | |
93 | ||
c6a27fa4 LP |
94 | if (list_empty(&connector->modes)) { |
95 | dev_dbg(lvds->dev, "connector: empty modes list\n"); | |
96 | return -EINVAL; | |
97 | } | |
98 | ||
99 | panel_mode = list_first_entry(&connector->modes, | |
100 | struct drm_display_mode, head); | |
101 | ||
102 | /* We're not allowed to modify the resolution. */ | |
103 | crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc); | |
104 | if (IS_ERR(crtc_state)) | |
105 | return PTR_ERR(crtc_state); | |
106 | ||
107 | if (crtc_state->mode.hdisplay != panel_mode->hdisplay || | |
108 | crtc_state->mode.vdisplay != panel_mode->vdisplay) | |
109 | return -EINVAL; | |
110 | ||
111 | /* The flat panel mode is fixed, just copy it to the adjusted mode. */ | |
112 | drm_mode_copy(&crtc_state->adjusted_mode, panel_mode); | |
113 | ||
114 | return 0; | |
115 | } | |
116 | ||
117 | static const struct drm_connector_helper_funcs rcar_lvds_conn_helper_funcs = { | |
118 | .get_modes = rcar_lvds_connector_get_modes, | |
119 | .atomic_check = rcar_lvds_connector_atomic_check, | |
120 | }; | |
121 | ||
122 | static const struct drm_connector_funcs rcar_lvds_conn_funcs = { | |
123 | .reset = drm_atomic_helper_connector_reset, | |
124 | .fill_modes = drm_helper_probe_single_connector_modes, | |
125 | .destroy = drm_connector_cleanup, | |
126 | .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, | |
127 | .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, | |
128 | }; | |
129 | ||
130 | /* ----------------------------------------------------------------------------- | |
131 | * Bridge | |
132 | */ | |
133 | ||
134 | static u32 rcar_lvds_lvdpllcr_gen2(unsigned int freq) | |
135 | { | |
136 | if (freq < 39000) | |
137 | return LVDPLLCR_CEEN | LVDPLLCR_COSEL | LVDPLLCR_PLLDLYCNT_38M; | |
138 | else if (freq < 61000) | |
139 | return LVDPLLCR_CEEN | LVDPLLCR_COSEL | LVDPLLCR_PLLDLYCNT_60M; | |
140 | else if (freq < 121000) | |
141 | return LVDPLLCR_CEEN | LVDPLLCR_COSEL | LVDPLLCR_PLLDLYCNT_121M; | |
142 | else | |
143 | return LVDPLLCR_PLLDLYCNT_150M; | |
144 | } | |
145 | ||
146 | static u32 rcar_lvds_lvdpllcr_gen3(unsigned int freq) | |
147 | { | |
148 | if (freq < 42000) | |
149 | return LVDPLLCR_PLLDIVCNT_42M; | |
150 | else if (freq < 85000) | |
151 | return LVDPLLCR_PLLDIVCNT_85M; | |
152 | else if (freq < 128000) | |
153 | return LVDPLLCR_PLLDIVCNT_128M; | |
154 | else | |
155 | return LVDPLLCR_PLLDIVCNT_148M; | |
156 | } | |
157 | ||
158 | static void rcar_lvds_enable(struct drm_bridge *bridge) | |
159 | { | |
160 | struct rcar_lvds *lvds = bridge_to_rcar_lvds(bridge); | |
161 | const struct drm_display_mode *mode = &lvds->display_mode; | |
162 | /* | |
163 | * FIXME: We should really retrieve the CRTC through the state, but how | |
164 | * do we get a state pointer? | |
165 | */ | |
166 | struct drm_crtc *crtc = lvds->bridge.encoder->crtc; | |
167 | u32 lvdpllcr; | |
168 | u32 lvdhcr; | |
169 | u32 lvdcr0; | |
170 | int ret; | |
171 | ||
172 | WARN_ON(lvds->enabled); | |
173 | ||
174 | ret = clk_prepare_enable(lvds->clock); | |
175 | if (ret < 0) | |
176 | return; | |
177 | ||
178 | /* | |
179 | * Hardcode the channels and control signals routing for now. | |
180 | * | |
181 | * HSYNC -> CTRL0 | |
182 | * VSYNC -> CTRL1 | |
183 | * DISP -> CTRL2 | |
184 | * 0 -> CTRL3 | |
185 | */ | |
186 | rcar_lvds_write(lvds, LVDCTRCR, LVDCTRCR_CTR3SEL_ZERO | | |
187 | LVDCTRCR_CTR2SEL_DISP | LVDCTRCR_CTR1SEL_VSYNC | | |
188 | LVDCTRCR_CTR0SEL_HSYNC); | |
189 | ||
190 | if (lvds->info->quirks & RCAR_LVDS_QUIRK_LANES) | |
191 | lvdhcr = LVDCHCR_CHSEL_CH(0, 0) | LVDCHCR_CHSEL_CH(1, 3) | |
192 | | LVDCHCR_CHSEL_CH(2, 2) | LVDCHCR_CHSEL_CH(3, 1); | |
193 | else | |
194 | lvdhcr = LVDCHCR_CHSEL_CH(0, 0) | LVDCHCR_CHSEL_CH(1, 1) | |
195 | | LVDCHCR_CHSEL_CH(2, 2) | LVDCHCR_CHSEL_CH(3, 3); | |
196 | ||
197 | rcar_lvds_write(lvds, LVDCHCR, lvdhcr); | |
198 | ||
199 | /* PLL clock configuration. */ | |
b6eb7102 | 200 | if (lvds->info->quirks & RCAR_LVDS_QUIRK_GEN2_PLLCR) |
c6a27fa4 LP |
201 | lvdpllcr = rcar_lvds_lvdpllcr_gen2(mode->clock); |
202 | else | |
203 | lvdpllcr = rcar_lvds_lvdpllcr_gen3(mode->clock); | |
204 | rcar_lvds_write(lvds, LVDPLLCR, lvdpllcr); | |
205 | ||
206 | /* Set the LVDS mode and select the input. */ | |
207 | lvdcr0 = lvds->mode << LVDCR0_LVMD_SHIFT; | |
208 | if (drm_crtc_index(crtc) == 2) | |
209 | lvdcr0 |= LVDCR0_DUSEL; | |
210 | rcar_lvds_write(lvds, LVDCR0, lvdcr0); | |
211 | ||
212 | /* Turn all the channels on. */ | |
213 | rcar_lvds_write(lvds, LVDCR1, | |
214 | LVDCR1_CHSTBY(3) | LVDCR1_CHSTBY(2) | | |
215 | LVDCR1_CHSTBY(1) | LVDCR1_CHSTBY(0) | LVDCR1_CLKSTBY); | |
216 | ||
217 | if (lvds->info->gen < 3) { | |
218 | /* Enable LVDS operation and turn the bias circuitry on. */ | |
219 | lvdcr0 |= LVDCR0_BEN | LVDCR0_LVEN; | |
220 | rcar_lvds_write(lvds, LVDCR0, lvdcr0); | |
221 | } | |
222 | ||
223 | /* Turn the PLL on. */ | |
224 | lvdcr0 |= LVDCR0_PLLON; | |
225 | rcar_lvds_write(lvds, LVDCR0, lvdcr0); | |
226 | ||
227 | if (lvds->info->gen > 2) { | |
228 | /* Set LVDS normal mode. */ | |
229 | lvdcr0 |= LVDCR0_PWD; | |
230 | rcar_lvds_write(lvds, LVDCR0, lvdcr0); | |
231 | } | |
232 | ||
b6eb7102 SS |
233 | if (lvds->info->quirks & RCAR_LVDS_QUIRK_GEN3_LVEN) { |
234 | /* Turn on the LVDS PHY. */ | |
235 | lvdcr0 |= LVDCR0_LVEN; | |
236 | rcar_lvds_write(lvds, LVDCR0, lvdcr0); | |
237 | } | |
238 | ||
c6a27fa4 LP |
239 | /* Wait for the startup delay. */ |
240 | usleep_range(100, 150); | |
241 | ||
242 | /* Turn the output on. */ | |
243 | lvdcr0 |= LVDCR0_LVRES; | |
244 | rcar_lvds_write(lvds, LVDCR0, lvdcr0); | |
245 | ||
246 | if (lvds->panel) { | |
247 | drm_panel_prepare(lvds->panel); | |
248 | drm_panel_enable(lvds->panel); | |
249 | } | |
250 | ||
251 | lvds->enabled = true; | |
252 | } | |
253 | ||
254 | static void rcar_lvds_disable(struct drm_bridge *bridge) | |
255 | { | |
256 | struct rcar_lvds *lvds = bridge_to_rcar_lvds(bridge); | |
257 | ||
258 | WARN_ON(!lvds->enabled); | |
259 | ||
260 | if (lvds->panel) { | |
261 | drm_panel_disable(lvds->panel); | |
262 | drm_panel_unprepare(lvds->panel); | |
263 | } | |
264 | ||
265 | rcar_lvds_write(lvds, LVDCR0, 0); | |
266 | rcar_lvds_write(lvds, LVDCR1, 0); | |
267 | ||
268 | clk_disable_unprepare(lvds->clock); | |
269 | ||
270 | lvds->enabled = false; | |
271 | } | |
272 | ||
273 | static bool rcar_lvds_mode_fixup(struct drm_bridge *bridge, | |
274 | const struct drm_display_mode *mode, | |
275 | struct drm_display_mode *adjusted_mode) | |
276 | { | |
277 | /* | |
278 | * The internal LVDS encoder has a restricted clock frequency operating | |
279 | * range (31MHz to 148.5MHz). Clamp the clock accordingly. | |
280 | */ | |
281 | adjusted_mode->clock = clamp(adjusted_mode->clock, 31000, 148500); | |
282 | ||
283 | return true; | |
284 | } | |
285 | ||
286 | static void rcar_lvds_get_lvds_mode(struct rcar_lvds *lvds) | |
287 | { | |
288 | struct drm_display_info *info = &lvds->connector.display_info; | |
289 | enum rcar_lvds_mode mode; | |
290 | ||
291 | /* | |
292 | * There is no API yet to retrieve LVDS mode from a bridge, only panels | |
293 | * are supported. | |
294 | */ | |
295 | if (!lvds->panel) | |
296 | return; | |
297 | ||
298 | if (!info->num_bus_formats || !info->bus_formats) { | |
299 | dev_err(lvds->dev, "no LVDS bus format reported\n"); | |
300 | return; | |
301 | } | |
302 | ||
303 | switch (info->bus_formats[0]) { | |
304 | case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: | |
305 | case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA: | |
306 | mode = RCAR_LVDS_MODE_JEIDA; | |
307 | break; | |
308 | case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG: | |
309 | mode = RCAR_LVDS_MODE_VESA; | |
310 | break; | |
311 | default: | |
312 | dev_err(lvds->dev, "unsupported LVDS bus format 0x%04x\n", | |
313 | info->bus_formats[0]); | |
314 | return; | |
315 | } | |
316 | ||
317 | if (info->bus_flags & DRM_BUS_FLAG_DATA_LSB_TO_MSB) | |
318 | mode |= RCAR_LVDS_MODE_MIRROR; | |
319 | ||
320 | lvds->mode = mode; | |
321 | } | |
322 | ||
323 | static void rcar_lvds_mode_set(struct drm_bridge *bridge, | |
324 | struct drm_display_mode *mode, | |
325 | struct drm_display_mode *adjusted_mode) | |
326 | { | |
327 | struct rcar_lvds *lvds = bridge_to_rcar_lvds(bridge); | |
328 | ||
329 | WARN_ON(lvds->enabled); | |
330 | ||
331 | lvds->display_mode = *adjusted_mode; | |
332 | ||
333 | rcar_lvds_get_lvds_mode(lvds); | |
334 | } | |
335 | ||
336 | static int rcar_lvds_attach(struct drm_bridge *bridge) | |
337 | { | |
338 | struct rcar_lvds *lvds = bridge_to_rcar_lvds(bridge); | |
339 | struct drm_connector *connector = &lvds->connector; | |
340 | struct drm_encoder *encoder = bridge->encoder; | |
341 | int ret; | |
342 | ||
343 | /* If we have a next bridge just attach it. */ | |
344 | if (lvds->next_bridge) | |
345 | return drm_bridge_attach(bridge->encoder, lvds->next_bridge, | |
346 | bridge); | |
347 | ||
348 | /* Otherwise we have a panel, create a connector. */ | |
349 | ret = drm_connector_init(bridge->dev, connector, &rcar_lvds_conn_funcs, | |
350 | DRM_MODE_CONNECTOR_LVDS); | |
351 | if (ret < 0) | |
352 | return ret; | |
353 | ||
354 | drm_connector_helper_add(connector, &rcar_lvds_conn_helper_funcs); | |
355 | ||
356 | ret = drm_mode_connector_attach_encoder(connector, encoder); | |
357 | if (ret < 0) | |
358 | return ret; | |
359 | ||
360 | return drm_panel_attach(lvds->panel, connector); | |
361 | } | |
362 | ||
363 | static void rcar_lvds_detach(struct drm_bridge *bridge) | |
364 | { | |
365 | struct rcar_lvds *lvds = bridge_to_rcar_lvds(bridge); | |
366 | ||
367 | if (lvds->panel) | |
368 | drm_panel_detach(lvds->panel); | |
369 | } | |
370 | ||
371 | static const struct drm_bridge_funcs rcar_lvds_bridge_ops = { | |
372 | .attach = rcar_lvds_attach, | |
373 | .detach = rcar_lvds_detach, | |
374 | .enable = rcar_lvds_enable, | |
375 | .disable = rcar_lvds_disable, | |
376 | .mode_fixup = rcar_lvds_mode_fixup, | |
377 | .mode_set = rcar_lvds_mode_set, | |
378 | }; | |
379 | ||
380 | /* ----------------------------------------------------------------------------- | |
381 | * Probe & Remove | |
382 | */ | |
383 | ||
384 | static int rcar_lvds_parse_dt(struct rcar_lvds *lvds) | |
385 | { | |
386 | struct device_node *local_output = NULL; | |
387 | struct device_node *remote_input = NULL; | |
388 | struct device_node *remote = NULL; | |
389 | struct device_node *node; | |
390 | bool is_bridge = false; | |
391 | int ret = 0; | |
392 | ||
393 | local_output = of_graph_get_endpoint_by_regs(lvds->dev->of_node, 1, 0); | |
394 | if (!local_output) { | |
395 | dev_dbg(lvds->dev, "unconnected port@1\n"); | |
396 | return -ENODEV; | |
397 | } | |
398 | ||
399 | /* | |
400 | * Locate the connected entity and infer its type from the number of | |
401 | * endpoints. | |
402 | */ | |
403 | remote = of_graph_get_remote_port_parent(local_output); | |
404 | if (!remote) { | |
405 | dev_dbg(lvds->dev, "unconnected endpoint %pOF\n", local_output); | |
406 | ret = -ENODEV; | |
407 | goto done; | |
408 | } | |
409 | ||
410 | if (!of_device_is_available(remote)) { | |
411 | dev_dbg(lvds->dev, "connected entity %pOF is disabled\n", | |
412 | remote); | |
413 | ret = -ENODEV; | |
414 | goto done; | |
415 | } | |
416 | ||
417 | remote_input = of_graph_get_remote_endpoint(local_output); | |
418 | ||
419 | for_each_endpoint_of_node(remote, node) { | |
420 | if (node != remote_input) { | |
421 | /* | |
422 | * We've found one endpoint other than the input, this | |
423 | * must be a bridge. | |
424 | */ | |
425 | is_bridge = true; | |
426 | of_node_put(node); | |
427 | break; | |
428 | } | |
429 | } | |
430 | ||
431 | if (is_bridge) { | |
432 | lvds->next_bridge = of_drm_find_bridge(remote); | |
433 | if (!lvds->next_bridge) | |
434 | ret = -EPROBE_DEFER; | |
435 | } else { | |
436 | lvds->panel = of_drm_find_panel(remote); | |
5fa8e4a2 BB |
437 | if (IS_ERR(lvds->panel)) |
438 | ret = PTR_ERR(lvds->panel); | |
c6a27fa4 LP |
439 | } |
440 | ||
441 | done: | |
442 | of_node_put(local_output); | |
443 | of_node_put(remote_input); | |
444 | of_node_put(remote); | |
445 | ||
446 | return ret; | |
447 | } | |
448 | ||
449 | static int rcar_lvds_probe(struct platform_device *pdev) | |
450 | { | |
451 | struct rcar_lvds *lvds; | |
452 | struct resource *mem; | |
453 | int ret; | |
454 | ||
455 | lvds = devm_kzalloc(&pdev->dev, sizeof(*lvds), GFP_KERNEL); | |
456 | if (lvds == NULL) | |
457 | return -ENOMEM; | |
458 | ||
459 | platform_set_drvdata(pdev, lvds); | |
460 | ||
461 | lvds->dev = &pdev->dev; | |
462 | lvds->info = of_device_get_match_data(&pdev->dev); | |
463 | lvds->enabled = false; | |
464 | ||
465 | ret = rcar_lvds_parse_dt(lvds); | |
466 | if (ret < 0) | |
467 | return ret; | |
468 | ||
469 | lvds->bridge.driver_private = lvds; | |
470 | lvds->bridge.funcs = &rcar_lvds_bridge_ops; | |
471 | lvds->bridge.of_node = pdev->dev.of_node; | |
472 | ||
473 | mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
474 | lvds->mmio = devm_ioremap_resource(&pdev->dev, mem); | |
475 | if (IS_ERR(lvds->mmio)) | |
476 | return PTR_ERR(lvds->mmio); | |
477 | ||
478 | lvds->clock = devm_clk_get(&pdev->dev, NULL); | |
479 | if (IS_ERR(lvds->clock)) { | |
480 | dev_err(&pdev->dev, "failed to get clock\n"); | |
481 | return PTR_ERR(lvds->clock); | |
482 | } | |
483 | ||
484 | drm_bridge_add(&lvds->bridge); | |
485 | ||
486 | return 0; | |
487 | } | |
488 | ||
489 | static int rcar_lvds_remove(struct platform_device *pdev) | |
490 | { | |
491 | struct rcar_lvds *lvds = platform_get_drvdata(pdev); | |
492 | ||
493 | drm_bridge_remove(&lvds->bridge); | |
494 | ||
495 | return 0; | |
496 | } | |
497 | ||
498 | static const struct rcar_lvds_device_info rcar_lvds_gen2_info = { | |
499 | .gen = 2, | |
b6eb7102 | 500 | .quirks = RCAR_LVDS_QUIRK_GEN2_PLLCR, |
c6a27fa4 LP |
501 | }; |
502 | ||
503 | static const struct rcar_lvds_device_info rcar_lvds_r8a7790_info = { | |
504 | .gen = 2, | |
b6eb7102 | 505 | .quirks = RCAR_LVDS_QUIRK_GEN2_PLLCR | RCAR_LVDS_QUIRK_LANES, |
c6a27fa4 LP |
506 | }; |
507 | ||
508 | static const struct rcar_lvds_device_info rcar_lvds_gen3_info = { | |
509 | .gen = 3, | |
510 | }; | |
511 | ||
b6eb7102 SS |
512 | static const struct rcar_lvds_device_info rcar_lvds_r8a77970_info = { |
513 | .gen = 3, | |
514 | .quirks = RCAR_LVDS_QUIRK_GEN2_PLLCR | RCAR_LVDS_QUIRK_GEN3_LVEN, | |
515 | }; | |
516 | ||
c6a27fa4 LP |
517 | static const struct of_device_id rcar_lvds_of_table[] = { |
518 | { .compatible = "renesas,r8a7743-lvds", .data = &rcar_lvds_gen2_info }, | |
519 | { .compatible = "renesas,r8a7790-lvds", .data = &rcar_lvds_r8a7790_info }, | |
520 | { .compatible = "renesas,r8a7791-lvds", .data = &rcar_lvds_gen2_info }, | |
521 | { .compatible = "renesas,r8a7793-lvds", .data = &rcar_lvds_gen2_info }, | |
522 | { .compatible = "renesas,r8a7795-lvds", .data = &rcar_lvds_gen3_info }, | |
523 | { .compatible = "renesas,r8a7796-lvds", .data = &rcar_lvds_gen3_info }, | |
b6eb7102 | 524 | { .compatible = "renesas,r8a77970-lvds", .data = &rcar_lvds_r8a77970_info }, |
c6a27fa4 LP |
525 | { } |
526 | }; | |
527 | ||
528 | MODULE_DEVICE_TABLE(of, rcar_lvds_of_table); | |
529 | ||
530 | static struct platform_driver rcar_lvds_platform_driver = { | |
531 | .probe = rcar_lvds_probe, | |
532 | .remove = rcar_lvds_remove, | |
533 | .driver = { | |
534 | .name = "rcar-lvds", | |
535 | .of_match_table = rcar_lvds_of_table, | |
536 | }, | |
537 | }; | |
538 | ||
539 | module_platform_driver(rcar_lvds_platform_driver); | |
540 | ||
541 | MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>"); | |
542 | MODULE_DESCRIPTION("Renesas R-Car LVDS Encoder Driver"); | |
543 | MODULE_LICENSE("GPL"); |