1 // SPDX-License-Identifier: GPL-2.0
3  * LG.Philips LB035Q02 LCD Panel Driver
7  * Based on the omapdrm-specific panel-lgphilips-lb035q02 driver
24 	struct drm_panel panel;  member
30 #define to_lb035q02_device(p) container_of(p, struct lb035q02_device, panel)
60 	return spi_sync(lcd->spi, &msg);  in lb035q02_write()
109 static int lb035q02_disable(struct drm_panel *panel)  in lb035q02_disable()  argument
111 	struct lb035q02_device *lcd = to_lb035q02_device(panel);  in lb035q02_disable()
113 	gpiod_set_value_cansleep(lcd->enable_gpio, 0);  in lb035q02_disable()
118 static int lb035q02_enable(struct drm_panel *panel)  in lb035q02_enable()  argument
120 	struct lb035q02_device *lcd = to_lb035q02_device(panel);  in lb035q02_enable()
122 	gpiod_set_value_cansleep(lcd->enable_gpio, 1);  in lb035q02_enable()
143 static int lb035q02_get_modes(struct drm_panel *panel,  in lb035q02_get_modes()  argument
148 	mode = drm_mode_duplicate(connector->dev, &lb035q02_mode);  in lb035q02_get_modes()
150 		return -ENOMEM;  in lb035q02_get_modes()
155 	connector->display_info.width_mm = lb035q02_mode.width_mm;  in lb035q02_get_modes()
156 	connector->display_info.height_mm = lb035q02_mode.height_mm;  in lb035q02_get_modes()
163 	connector->display_info.bus_flags = DRM_BUS_FLAG_DE_HIGH  in lb035q02_get_modes()
181 	lcd = devm_kzalloc(&spi->dev, sizeof(*lcd), GFP_KERNEL);  in lb035q02_probe()
183 		return -ENOMEM;  in lb035q02_probe()
186 	lcd->spi = spi;  in lb035q02_probe()
188 	lcd->enable_gpio = devm_gpiod_get(&spi->dev, "enable", GPIOD_OUT_LOW);  in lb035q02_probe()
189 	if (IS_ERR(lcd->enable_gpio)) {  in lb035q02_probe()
190 		dev_err(&spi->dev, "failed to parse enable gpio\n");  in lb035q02_probe()
191 		return PTR_ERR(lcd->enable_gpio);  in lb035q02_probe()
198 	drm_panel_init(&lcd->panel, &lcd->spi->dev, &lb035q02_funcs,  in lb035q02_probe()
201 	drm_panel_add(&lcd->panel);  in lb035q02_probe()
210 	drm_panel_remove(&lcd->panel);  in lb035q02_remove()
211 	drm_panel_disable(&lcd->panel);  in lb035q02_remove()
233 		.name	= "panel-lg-lb035q02",
241 MODULE_DESCRIPTION("LG.Philips LB035Q02 LCD Panel driver");