1 // SPDX-License-Identifier: GPL-2.0
30 #define MCS_STBCTR		0x12 /* TE1 Output Setting Zig-Zag Connection */
36 #define MCS_SETAVEE		0x29 /* PFM Control for AVEE Output */
45 /* CMD2 P2 commands (GOA Timing Control) - no description in datasheet */
79 	struct regulator *supply;  member
105 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);  in rm68200_dcs_write_buf()
110 		dev_err_ratelimited(ctx->dev, "MIPI DSI DCS write buffer failed: %d\n", err);  in rm68200_dcs_write_buf()
115 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);  in rm68200_dcs_write_cmd()
120 		dev_err_ratelimited(ctx->dev, "MIPI DSI DCS write failed: %d\n", err);  in rm68200_dcs_write_cmd()
131  * This panel is not able to auto-increment all cmd addresses so for some of
235 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);  in rm68200_unprepare()
240 		dev_warn(panel->dev, "failed to set display off: %d\n", ret);  in rm68200_unprepare()
244 		dev_warn(panel->dev, "failed to enter sleep mode: %d\n", ret);  in rm68200_unprepare()
248 	if (ctx->reset_gpio) {  in rm68200_unprepare()
249 		gpiod_set_value_cansleep(ctx->reset_gpio, 1);  in rm68200_unprepare()
253 	regulator_disable(ctx->supply);  in rm68200_unprepare()
261 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);  in rm68200_prepare()
264 	ret = regulator_enable(ctx->supply);  in rm68200_prepare()
266 		dev_err(ctx->dev, "failed to enable supply: %d\n", ret);  in rm68200_prepare()
270 	if (ctx->reset_gpio) {  in rm68200_prepare()
271 		gpiod_set_value_cansleep(ctx->reset_gpio, 1);  in rm68200_prepare()
273 		gpiod_set_value_cansleep(ctx->reset_gpio, 0);  in rm68200_prepare()
299 	mode = drm_mode_duplicate(connector->dev, &default_mode);  in rm68200_get_modes()
301 		dev_err(panel->dev, "failed to add mode %ux%u@%u\n",  in rm68200_get_modes()
304 		return -ENOMEM;  in rm68200_get_modes()
309 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;  in rm68200_get_modes()
312 	connector->display_info.width_mm = mode->width_mm;  in rm68200_get_modes()
313 	connector->display_info.height_mm = mode->height_mm;  in rm68200_get_modes()
326 	struct device *dev = &dsi->dev;  in rm68200_probe()
332 		return -ENOMEM;  in rm68200_probe()
334 	ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);  in rm68200_probe()
335 	if (IS_ERR(ctx->reset_gpio)) {  in rm68200_probe()
336 		ret = PTR_ERR(ctx->reset_gpio);  in rm68200_probe()
341 	ctx->supply = devm_regulator_get(dev, "power");  in rm68200_probe()
342 	if (IS_ERR(ctx->supply)) {  in rm68200_probe()
343 		ret = PTR_ERR(ctx->supply);  in rm68200_probe()
344 		if (ret != -EPROBE_DEFER)  in rm68200_probe()
351 	ctx->dev = dev;  in rm68200_probe()
353 	dsi->lanes = 2;  in rm68200_probe()
354 	dsi->format = MIPI_DSI_FMT_RGB888;  in rm68200_probe()
355 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |  in rm68200_probe()
358 	drm_panel_init(&ctx->panel, dev, &rm68200_drm_funcs,  in rm68200_probe()
361 	ret = drm_panel_of_backlight(&ctx->panel);  in rm68200_probe()
365 	drm_panel_add(&ctx->panel);  in rm68200_probe()
370 		drm_panel_remove(&ctx->panel);  in rm68200_probe()
382 	drm_panel_remove(&ctx->panel);  in rm68200_remove()
395 		.name = "panel-raydium-rm68200",