1 // SPDX-License-Identifier: GPL-2.0-only 2 // Copyright (c) 2024 Collabora 3 4 #include <linux/delay.h> 5 #include <linux/gpio/consumer.h> 6 #include <linux/module.h> 7 #include <linux/mod_devicetable.h> 8 #include <linux/property.h> 9 #include <linux/regulator/consumer.h> 10 11 #include <drm/drm_mipi_dsi.h> 12 #include <drm/drm_probe_helper.h> 13 #include <drm/drm_modes.h> 14 #include <drm/drm_panel.h> 15 16 struct raydium_rm67200_panel_info { 17 struct drm_display_mode mode; 18 const struct regulator_bulk_data *regulators; 19 int num_regulators; 20 void (*panel_setup)(struct mipi_dsi_multi_context *ctx); 21 }; 22 23 struct raydium_rm67200 { 24 struct drm_panel panel; 25 const struct raydium_rm67200_panel_info *panel_info; 26 struct mipi_dsi_device *dsi; 27 struct gpio_desc *reset_gpio; 28 struct regulator_bulk_data *supplies; 29 int num_supplies; 30 }; 31 32 static inline struct raydium_rm67200 *to_raydium_rm67200(struct drm_panel *panel) 33 { 34 return container_of(panel, struct raydium_rm67200, panel); 35 } 36 37 static void raydium_rm67200_reset(struct raydium_rm67200 *ctx) 38 { 39 gpiod_set_value_cansleep(ctx->reset_gpio, 0); 40 msleep(60); 41 gpiod_set_value_cansleep(ctx->reset_gpio, 1); 42 msleep(60); 43 gpiod_set_value_cansleep(ctx->reset_gpio, 0); 44 msleep(60); 45 } 46 47 static void raydium_rm67200_write(struct mipi_dsi_multi_context *ctx, 48 u8 arg1, u8 arg2) 49 { 50 u8 d[] = { arg1, arg2 }; 51 52 mipi_dsi_generic_write_multi(ctx, d, ARRAY_SIZE(d)); 53 } 54 55 static void w552793baa_setup(struct mipi_dsi_multi_context *ctx) 56 { 57 raydium_rm67200_write(ctx, 0xfe, 0x21); 58 raydium_rm67200_write(ctx, 0x04, 0x00); 59 raydium_rm67200_write(ctx, 0x00, 0x64); 60 raydium_rm67200_write(ctx, 0x2a, 0x00); 61 raydium_rm67200_write(ctx, 0x26, 0x64); 62 raydium_rm67200_write(ctx, 0x54, 0x00); 63 raydium_rm67200_write(ctx, 0x50, 0x64); 64 raydium_rm67200_write(ctx, 0x7b, 0x00); 65 raydium_rm67200_write(ctx, 0x77, 0x64); 66 raydium_rm67200_write(ctx, 0xa2, 0x00); 67 raydium_rm67200_write(ctx, 0x9d, 0x64); 68 raydium_rm67200_write(ctx, 0xc9, 0x00); 69 raydium_rm67200_write(ctx, 0xc5, 0x64); 70 raydium_rm67200_write(ctx, 0x01, 0x71); 71 raydium_rm67200_write(ctx, 0x27, 0x71); 72 raydium_rm67200_write(ctx, 0x51, 0x71); 73 raydium_rm67200_write(ctx, 0x78, 0x71); 74 raydium_rm67200_write(ctx, 0x9e, 0x71); 75 raydium_rm67200_write(ctx, 0xc6, 0x71); 76 raydium_rm67200_write(ctx, 0x02, 0x89); 77 raydium_rm67200_write(ctx, 0x28, 0x89); 78 raydium_rm67200_write(ctx, 0x52, 0x89); 79 raydium_rm67200_write(ctx, 0x79, 0x89); 80 raydium_rm67200_write(ctx, 0x9f, 0x89); 81 raydium_rm67200_write(ctx, 0xc7, 0x89); 82 raydium_rm67200_write(ctx, 0x03, 0x9e); 83 raydium_rm67200_write(ctx, 0x29, 0x9e); 84 raydium_rm67200_write(ctx, 0x53, 0x9e); 85 raydium_rm67200_write(ctx, 0x7a, 0x9e); 86 raydium_rm67200_write(ctx, 0xa0, 0x9e); 87 raydium_rm67200_write(ctx, 0xc8, 0x9e); 88 raydium_rm67200_write(ctx, 0x09, 0x00); 89 raydium_rm67200_write(ctx, 0x05, 0xb0); 90 raydium_rm67200_write(ctx, 0x31, 0x00); 91 raydium_rm67200_write(ctx, 0x2b, 0xb0); 92 raydium_rm67200_write(ctx, 0x5a, 0x00); 93 raydium_rm67200_write(ctx, 0x55, 0xb0); 94 raydium_rm67200_write(ctx, 0x80, 0x00); 95 raydium_rm67200_write(ctx, 0x7c, 0xb0); 96 raydium_rm67200_write(ctx, 0xa7, 0x00); 97 raydium_rm67200_write(ctx, 0xa3, 0xb0); 98 raydium_rm67200_write(ctx, 0xce, 0x00); 99 raydium_rm67200_write(ctx, 0xca, 0xb0); 100 raydium_rm67200_write(ctx, 0x06, 0xc0); 101 raydium_rm67200_write(ctx, 0x2d, 0xc0); 102 raydium_rm67200_write(ctx, 0x56, 0xc0); 103 raydium_rm67200_write(ctx, 0x7d, 0xc0); 104 raydium_rm67200_write(ctx, 0xa4, 0xc0); 105 raydium_rm67200_write(ctx, 0xcb, 0xc0); 106 raydium_rm67200_write(ctx, 0x07, 0xcf); 107 raydium_rm67200_write(ctx, 0x2f, 0xcf); 108 raydium_rm67200_write(ctx, 0x58, 0xcf); 109 raydium_rm67200_write(ctx, 0x7e, 0xcf); 110 raydium_rm67200_write(ctx, 0xa5, 0xcf); 111 raydium_rm67200_write(ctx, 0xcc, 0xcf); 112 raydium_rm67200_write(ctx, 0x08, 0xdd); 113 raydium_rm67200_write(ctx, 0x30, 0xdd); 114 raydium_rm67200_write(ctx, 0x59, 0xdd); 115 raydium_rm67200_write(ctx, 0x7f, 0xdd); 116 raydium_rm67200_write(ctx, 0xa6, 0xdd); 117 raydium_rm67200_write(ctx, 0xcd, 0xdd); 118 raydium_rm67200_write(ctx, 0x0e, 0x15); 119 raydium_rm67200_write(ctx, 0x0a, 0xe9); 120 raydium_rm67200_write(ctx, 0x36, 0x15); 121 raydium_rm67200_write(ctx, 0x32, 0xe9); 122 raydium_rm67200_write(ctx, 0x5f, 0x15); 123 raydium_rm67200_write(ctx, 0x5b, 0xe9); 124 raydium_rm67200_write(ctx, 0x85, 0x15); 125 raydium_rm67200_write(ctx, 0x81, 0xe9); 126 raydium_rm67200_write(ctx, 0xad, 0x15); 127 raydium_rm67200_write(ctx, 0xa9, 0xe9); 128 raydium_rm67200_write(ctx, 0xd3, 0x15); 129 raydium_rm67200_write(ctx, 0xcf, 0xe9); 130 raydium_rm67200_write(ctx, 0x0b, 0x14); 131 raydium_rm67200_write(ctx, 0x33, 0x14); 132 raydium_rm67200_write(ctx, 0x5c, 0x14); 133 raydium_rm67200_write(ctx, 0x82, 0x14); 134 raydium_rm67200_write(ctx, 0xaa, 0x14); 135 raydium_rm67200_write(ctx, 0xd0, 0x14); 136 raydium_rm67200_write(ctx, 0x0c, 0x36); 137 raydium_rm67200_write(ctx, 0x34, 0x36); 138 raydium_rm67200_write(ctx, 0x5d, 0x36); 139 raydium_rm67200_write(ctx, 0x83, 0x36); 140 raydium_rm67200_write(ctx, 0xab, 0x36); 141 raydium_rm67200_write(ctx, 0xd1, 0x36); 142 raydium_rm67200_write(ctx, 0x0d, 0x6b); 143 raydium_rm67200_write(ctx, 0x35, 0x6b); 144 raydium_rm67200_write(ctx, 0x5e, 0x6b); 145 raydium_rm67200_write(ctx, 0x84, 0x6b); 146 raydium_rm67200_write(ctx, 0xac, 0x6b); 147 raydium_rm67200_write(ctx, 0xd2, 0x6b); 148 raydium_rm67200_write(ctx, 0x13, 0x5a); 149 raydium_rm67200_write(ctx, 0x0f, 0x94); 150 raydium_rm67200_write(ctx, 0x3b, 0x5a); 151 raydium_rm67200_write(ctx, 0x37, 0x94); 152 raydium_rm67200_write(ctx, 0x64, 0x5a); 153 raydium_rm67200_write(ctx, 0x60, 0x94); 154 raydium_rm67200_write(ctx, 0x8a, 0x5a); 155 raydium_rm67200_write(ctx, 0x86, 0x94); 156 raydium_rm67200_write(ctx, 0xb2, 0x5a); 157 raydium_rm67200_write(ctx, 0xae, 0x94); 158 raydium_rm67200_write(ctx, 0xd8, 0x5a); 159 raydium_rm67200_write(ctx, 0xd4, 0x94); 160 raydium_rm67200_write(ctx, 0x10, 0xd1); 161 raydium_rm67200_write(ctx, 0x38, 0xd1); 162 raydium_rm67200_write(ctx, 0x61, 0xd1); 163 raydium_rm67200_write(ctx, 0x87, 0xd1); 164 raydium_rm67200_write(ctx, 0xaf, 0xd1); 165 raydium_rm67200_write(ctx, 0xd5, 0xd1); 166 raydium_rm67200_write(ctx, 0x11, 0x04); 167 raydium_rm67200_write(ctx, 0x39, 0x04); 168 raydium_rm67200_write(ctx, 0x62, 0x04); 169 raydium_rm67200_write(ctx, 0x88, 0x04); 170 raydium_rm67200_write(ctx, 0xb0, 0x04); 171 raydium_rm67200_write(ctx, 0xd6, 0x04); 172 raydium_rm67200_write(ctx, 0x12, 0x05); 173 raydium_rm67200_write(ctx, 0x3a, 0x05); 174 raydium_rm67200_write(ctx, 0x63, 0x05); 175 raydium_rm67200_write(ctx, 0x89, 0x05); 176 raydium_rm67200_write(ctx, 0xb1, 0x05); 177 raydium_rm67200_write(ctx, 0xd7, 0x05); 178 raydium_rm67200_write(ctx, 0x18, 0xaa); 179 raydium_rm67200_write(ctx, 0x14, 0x36); 180 raydium_rm67200_write(ctx, 0x42, 0xaa); 181 raydium_rm67200_write(ctx, 0x3d, 0x36); 182 raydium_rm67200_write(ctx, 0x69, 0xaa); 183 raydium_rm67200_write(ctx, 0x65, 0x36); 184 raydium_rm67200_write(ctx, 0x8f, 0xaa); 185 raydium_rm67200_write(ctx, 0x8b, 0x36); 186 raydium_rm67200_write(ctx, 0xb7, 0xaa); 187 raydium_rm67200_write(ctx, 0xb3, 0x36); 188 raydium_rm67200_write(ctx, 0xdd, 0xaa); 189 raydium_rm67200_write(ctx, 0xd9, 0x36); 190 raydium_rm67200_write(ctx, 0x15, 0x74); 191 raydium_rm67200_write(ctx, 0x3f, 0x74); 192 raydium_rm67200_write(ctx, 0x66, 0x74); 193 raydium_rm67200_write(ctx, 0x8c, 0x74); 194 raydium_rm67200_write(ctx, 0xb4, 0x74); 195 raydium_rm67200_write(ctx, 0xda, 0x74); 196 raydium_rm67200_write(ctx, 0x16, 0x9f); 197 raydium_rm67200_write(ctx, 0x40, 0x9f); 198 raydium_rm67200_write(ctx, 0x67, 0x9f); 199 raydium_rm67200_write(ctx, 0x8d, 0x9f); 200 raydium_rm67200_write(ctx, 0xb5, 0x9f); 201 raydium_rm67200_write(ctx, 0xdb, 0x9f); 202 raydium_rm67200_write(ctx, 0x17, 0xdc); 203 raydium_rm67200_write(ctx, 0x41, 0xdc); 204 raydium_rm67200_write(ctx, 0x68, 0xdc); 205 raydium_rm67200_write(ctx, 0x8e, 0xdc); 206 raydium_rm67200_write(ctx, 0xb6, 0xdc); 207 raydium_rm67200_write(ctx, 0xdc, 0xdc); 208 raydium_rm67200_write(ctx, 0x1d, 0xff); 209 raydium_rm67200_write(ctx, 0x19, 0x03); 210 raydium_rm67200_write(ctx, 0x47, 0xff); 211 raydium_rm67200_write(ctx, 0x43, 0x03); 212 raydium_rm67200_write(ctx, 0x6e, 0xff); 213 raydium_rm67200_write(ctx, 0x6a, 0x03); 214 raydium_rm67200_write(ctx, 0x94, 0xff); 215 raydium_rm67200_write(ctx, 0x90, 0x03); 216 raydium_rm67200_write(ctx, 0xbc, 0xff); 217 raydium_rm67200_write(ctx, 0xb8, 0x03); 218 raydium_rm67200_write(ctx, 0xe2, 0xff); 219 raydium_rm67200_write(ctx, 0xde, 0x03); 220 raydium_rm67200_write(ctx, 0x1a, 0x35); 221 raydium_rm67200_write(ctx, 0x44, 0x35); 222 raydium_rm67200_write(ctx, 0x6b, 0x35); 223 raydium_rm67200_write(ctx, 0x91, 0x35); 224 raydium_rm67200_write(ctx, 0xb9, 0x35); 225 raydium_rm67200_write(ctx, 0xdf, 0x35); 226 raydium_rm67200_write(ctx, 0x1b, 0x45); 227 raydium_rm67200_write(ctx, 0x45, 0x45); 228 raydium_rm67200_write(ctx, 0x6c, 0x45); 229 raydium_rm67200_write(ctx, 0x92, 0x45); 230 raydium_rm67200_write(ctx, 0xba, 0x45); 231 raydium_rm67200_write(ctx, 0xe0, 0x45); 232 raydium_rm67200_write(ctx, 0x1c, 0x55); 233 raydium_rm67200_write(ctx, 0x46, 0x55); 234 raydium_rm67200_write(ctx, 0x6d, 0x55); 235 raydium_rm67200_write(ctx, 0x93, 0x55); 236 raydium_rm67200_write(ctx, 0xbb, 0x55); 237 raydium_rm67200_write(ctx, 0xe1, 0x55); 238 raydium_rm67200_write(ctx, 0x22, 0xff); 239 raydium_rm67200_write(ctx, 0x1e, 0x68); 240 raydium_rm67200_write(ctx, 0x4c, 0xff); 241 raydium_rm67200_write(ctx, 0x48, 0x68); 242 raydium_rm67200_write(ctx, 0x73, 0xff); 243 raydium_rm67200_write(ctx, 0x6f, 0x68); 244 raydium_rm67200_write(ctx, 0x99, 0xff); 245 raydium_rm67200_write(ctx, 0x95, 0x68); 246 raydium_rm67200_write(ctx, 0xc1, 0xff); 247 raydium_rm67200_write(ctx, 0xbd, 0x68); 248 raydium_rm67200_write(ctx, 0xe7, 0xff); 249 raydium_rm67200_write(ctx, 0xe3, 0x68); 250 raydium_rm67200_write(ctx, 0x1f, 0x7e); 251 raydium_rm67200_write(ctx, 0x49, 0x7e); 252 raydium_rm67200_write(ctx, 0x70, 0x7e); 253 raydium_rm67200_write(ctx, 0x96, 0x7e); 254 raydium_rm67200_write(ctx, 0xbe, 0x7e); 255 raydium_rm67200_write(ctx, 0xe4, 0x7e); 256 raydium_rm67200_write(ctx, 0x20, 0x97); 257 raydium_rm67200_write(ctx, 0x4a, 0x97); 258 raydium_rm67200_write(ctx, 0x71, 0x97); 259 raydium_rm67200_write(ctx, 0x97, 0x97); 260 raydium_rm67200_write(ctx, 0xbf, 0x97); 261 raydium_rm67200_write(ctx, 0xe5, 0x97); 262 raydium_rm67200_write(ctx, 0x21, 0xb5); 263 raydium_rm67200_write(ctx, 0x4b, 0xb5); 264 raydium_rm67200_write(ctx, 0x72, 0xb5); 265 raydium_rm67200_write(ctx, 0x98, 0xb5); 266 raydium_rm67200_write(ctx, 0xc0, 0xb5); 267 raydium_rm67200_write(ctx, 0xe6, 0xb5); 268 raydium_rm67200_write(ctx, 0x25, 0xf0); 269 raydium_rm67200_write(ctx, 0x23, 0xe8); 270 raydium_rm67200_write(ctx, 0x4f, 0xf0); 271 raydium_rm67200_write(ctx, 0x4d, 0xe8); 272 raydium_rm67200_write(ctx, 0x76, 0xf0); 273 raydium_rm67200_write(ctx, 0x74, 0xe8); 274 raydium_rm67200_write(ctx, 0x9c, 0xf0); 275 raydium_rm67200_write(ctx, 0x9a, 0xe8); 276 raydium_rm67200_write(ctx, 0xc4, 0xf0); 277 raydium_rm67200_write(ctx, 0xc2, 0xe8); 278 raydium_rm67200_write(ctx, 0xea, 0xf0); 279 raydium_rm67200_write(ctx, 0xe8, 0xe8); 280 raydium_rm67200_write(ctx, 0x24, 0xff); 281 raydium_rm67200_write(ctx, 0x4e, 0xff); 282 raydium_rm67200_write(ctx, 0x75, 0xff); 283 raydium_rm67200_write(ctx, 0x9b, 0xff); 284 raydium_rm67200_write(ctx, 0xc3, 0xff); 285 raydium_rm67200_write(ctx, 0xe9, 0xff); 286 raydium_rm67200_write(ctx, 0xfe, 0x3d); 287 raydium_rm67200_write(ctx, 0x00, 0x04); 288 raydium_rm67200_write(ctx, 0xfe, 0x23); 289 raydium_rm67200_write(ctx, 0x08, 0x82); 290 raydium_rm67200_write(ctx, 0x0a, 0x00); 291 raydium_rm67200_write(ctx, 0x0b, 0x00); 292 raydium_rm67200_write(ctx, 0x0c, 0x01); 293 raydium_rm67200_write(ctx, 0x16, 0x00); 294 raydium_rm67200_write(ctx, 0x18, 0x02); 295 raydium_rm67200_write(ctx, 0x1b, 0x04); 296 raydium_rm67200_write(ctx, 0x19, 0x04); 297 raydium_rm67200_write(ctx, 0x1c, 0x81); 298 raydium_rm67200_write(ctx, 0x1f, 0x00); 299 raydium_rm67200_write(ctx, 0x20, 0x03); 300 raydium_rm67200_write(ctx, 0x23, 0x04); 301 raydium_rm67200_write(ctx, 0x21, 0x01); 302 raydium_rm67200_write(ctx, 0x54, 0x63); 303 raydium_rm67200_write(ctx, 0x55, 0x54); 304 raydium_rm67200_write(ctx, 0x6e, 0x45); 305 raydium_rm67200_write(ctx, 0x6d, 0x36); 306 raydium_rm67200_write(ctx, 0xfe, 0x3d); 307 raydium_rm67200_write(ctx, 0x55, 0x78); 308 raydium_rm67200_write(ctx, 0xfe, 0x20); 309 raydium_rm67200_write(ctx, 0x26, 0x30); 310 raydium_rm67200_write(ctx, 0xfe, 0x3d); 311 raydium_rm67200_write(ctx, 0x20, 0x71); 312 raydium_rm67200_write(ctx, 0x50, 0x8f); 313 raydium_rm67200_write(ctx, 0x51, 0x8f); 314 raydium_rm67200_write(ctx, 0xfe, 0x00); 315 raydium_rm67200_write(ctx, 0x35, 0x00); 316 } 317 318 static int raydium_rm67200_prepare(struct drm_panel *panel) 319 { 320 struct raydium_rm67200 *ctx = to_raydium_rm67200(panel); 321 int ret; 322 323 ret = regulator_bulk_enable(ctx->num_supplies, ctx->supplies); 324 if (ret < 0) 325 return ret; 326 327 raydium_rm67200_reset(ctx); 328 329 msleep(60); 330 331 return 0; 332 } 333 334 static int raydium_rm67200_unprepare(struct drm_panel *panel) 335 { 336 struct raydium_rm67200 *ctx = to_raydium_rm67200(panel); 337 338 gpiod_set_value_cansleep(ctx->reset_gpio, 1); 339 regulator_bulk_disable(ctx->num_supplies, ctx->supplies); 340 341 msleep(60); 342 343 return 0; 344 } 345 346 static int raydium_rm67200_enable(struct drm_panel *panel) 347 { 348 struct raydium_rm67200 *rm67200 = to_raydium_rm67200(panel); 349 struct mipi_dsi_multi_context ctx = { .dsi = rm67200->dsi }; 350 351 rm67200->panel_info->panel_setup(&ctx); 352 mipi_dsi_dcs_exit_sleep_mode_multi(&ctx); 353 mipi_dsi_msleep(&ctx, 120); 354 mipi_dsi_dcs_set_display_on_multi(&ctx); 355 mipi_dsi_msleep(&ctx, 30); 356 357 return ctx.accum_err; 358 } 359 360 static int raydium_rm67200_disable(struct drm_panel *panel) 361 { 362 struct raydium_rm67200 *rm67200 = to_raydium_rm67200(panel); 363 struct mipi_dsi_multi_context ctx = { .dsi = rm67200->dsi }; 364 365 mipi_dsi_dcs_set_display_off_multi(&ctx); 366 mipi_dsi_dcs_enter_sleep_mode_multi(&ctx); 367 mipi_dsi_msleep(&ctx, 60); 368 369 return ctx.accum_err; 370 } 371 372 static int raydium_rm67200_get_modes(struct drm_panel *panel, 373 struct drm_connector *connector) 374 { 375 struct raydium_rm67200 *ctx = to_raydium_rm67200(panel); 376 377 return drm_connector_helper_get_modes_fixed(connector, &ctx->panel_info->mode); 378 } 379 380 static const struct drm_panel_funcs raydium_rm67200_funcs = { 381 .prepare = raydium_rm67200_prepare, 382 .unprepare = raydium_rm67200_unprepare, 383 .get_modes = raydium_rm67200_get_modes, 384 .enable = raydium_rm67200_enable, 385 .disable = raydium_rm67200_disable, 386 }; 387 388 static int raydium_rm67200_probe(struct mipi_dsi_device *dsi) 389 { 390 struct device *dev = &dsi->dev; 391 struct raydium_rm67200 *ctx; 392 int ret = 0; 393 394 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); 395 if (!ctx) 396 return -ENOMEM; 397 398 ctx->panel_info = device_get_match_data(dev); 399 if (!ctx->panel_info) 400 return -EINVAL; 401 402 ctx->num_supplies = ctx->panel_info->num_regulators; 403 ret = devm_regulator_bulk_get_const(&dsi->dev, 404 ctx->panel_info->num_regulators, 405 ctx->panel_info->regulators, 406 &ctx->supplies); 407 if (ret < 0) 408 return ret; 409 410 ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); 411 if (IS_ERR(ctx->reset_gpio)) 412 return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), 413 "Failed to get reset-gpios\n"); 414 415 ctx->dsi = dsi; 416 mipi_dsi_set_drvdata(dsi, ctx); 417 418 dsi->lanes = 4; 419 dsi->format = MIPI_DSI_FMT_RGB888; 420 dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | 421 MIPI_DSI_MODE_LPM; 422 ctx->panel.prepare_prev_first = true; 423 424 drm_panel_init(&ctx->panel, dev, &raydium_rm67200_funcs, 425 DRM_MODE_CONNECTOR_DSI); 426 427 ret = drm_panel_of_backlight(&ctx->panel); 428 if (ret) 429 return ret; 430 431 drm_panel_add(&ctx->panel); 432 433 ret = mipi_dsi_attach(dsi); 434 if (ret < 0) { 435 dev_err(dev, "Failed to attach to DSI host: %d\n", ret); 436 drm_panel_remove(&ctx->panel); 437 } 438 439 return ret; 440 } 441 442 static void raydium_rm67200_remove(struct mipi_dsi_device *dsi) 443 { 444 struct raydium_rm67200 *ctx = mipi_dsi_get_drvdata(dsi); 445 int ret; 446 447 ret = mipi_dsi_detach(dsi); 448 if (ret < 0) 449 dev_err(&dsi->dev, "Failed to detach DSI host: %d\n", ret); 450 451 drm_panel_remove(&ctx->panel); 452 } 453 454 static const struct regulator_bulk_data w552793baa_regulators[] = { 455 { .supply = "vdd", }, /* 2.8V */ 456 { .supply = "iovcc", }, /* 1.8V */ 457 { .supply = "vsp", }, /* +5.5V */ 458 { .supply = "vsn", }, /* -5.5V */ 459 }; 460 461 static const struct raydium_rm67200_panel_info w552793baa_info = { 462 .mode = { 463 .clock = 132000, 464 .hdisplay = 1080, 465 .hsync_start = 1095, 466 .hsync_end = 1125, 467 .htotal = 1129, 468 .vdisplay = 1920, 469 .vsync_start = 1935, 470 .vsync_end = 1950, 471 .vtotal = 1952, 472 .width_mm = 68, /* 68.04mm */ 473 .height_mm = 121, /* 120.96mm */ 474 .type = DRM_MODE_TYPE_DRIVER, 475 }, 476 .regulators = w552793baa_regulators, 477 .num_regulators = ARRAY_SIZE(w552793baa_regulators), 478 .panel_setup = w552793baa_setup, 479 }; 480 481 static const struct of_device_id raydium_rm67200_of_match[] = { 482 { .compatible = "wanchanglong,w552793baa", .data = &w552793baa_info }, 483 { /*sentinel*/ } 484 }; 485 MODULE_DEVICE_TABLE(of, raydium_rm67200_of_match); 486 487 static struct mipi_dsi_driver raydium_rm67200_driver = { 488 .probe = raydium_rm67200_probe, 489 .remove = raydium_rm67200_remove, 490 .driver = { 491 .name = "panel-raydium-rm67200", 492 .of_match_table = raydium_rm67200_of_match, 493 }, 494 }; 495 module_mipi_dsi_driver(raydium_rm67200_driver); 496 497 MODULE_AUTHOR("Sebastian Reichel <sebastian.reichel@collabora.com>"); 498 MODULE_DESCRIPTION("DRM driver for RM67200-equipped DSI panels"); 499 MODULE_LICENSE("GPL"); 500