1 // SPDX-License-Identifier: GPL-2.0-only
3  * Generic MIPI DPI Panel Driver
34 	struct omap_dss_device *in = ddata->in;  in panel_dpi_connect()
39 	return in->ops.dpi->connect(in, dssdev);  in panel_dpi_connect()
45 	struct omap_dss_device *in = ddata->in;  in panel_dpi_disconnect()
50 	in->ops.dpi->disconnect(in, dssdev);  in panel_dpi_disconnect()
56 	struct omap_dss_device *in = ddata->in;  in panel_dpi_enable()
60 		return -ENODEV;  in panel_dpi_enable()
65 	if (ddata->data_lines)  in panel_dpi_enable()
66 		in->ops.dpi->set_data_lines(in, ddata->data_lines);  in panel_dpi_enable()
67 	in->ops.dpi->set_timings(in, &ddata->videomode);  in panel_dpi_enable()
69 	r = in->ops.dpi->enable(in);  in panel_dpi_enable()
73 	gpiod_set_value_cansleep(ddata->enable_gpio, 1);  in panel_dpi_enable()
75 	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;  in panel_dpi_enable()
83 	struct omap_dss_device *in = ddata->in;  in panel_dpi_disable()
88 	gpiod_set_value_cansleep(ddata->enable_gpio, 0);  in panel_dpi_disable()
90 	in->ops.dpi->disable(in);  in panel_dpi_disable()
92 	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;  in panel_dpi_disable()
99 	struct omap_dss_device *in = ddata->in;  in panel_dpi_set_timings()
101 	ddata->videomode = *timings;  in panel_dpi_set_timings()
102 	dssdev->panel.timings = *timings;  in panel_dpi_set_timings()
104 	in->ops.dpi->set_timings(in, timings);  in panel_dpi_set_timings()
112 	*timings = ddata->videomode;  in panel_dpi_get_timings()
119 	struct omap_dss_device *in = ddata->in;  in panel_dpi_check_timings()
121 	return in->ops.dpi->check_timings(in, timings);  in panel_dpi_check_timings()
141 	struct device_node *node = pdev->dev.of_node;  in panel_dpi_probe_of()
144 	struct display_timing timing;  in panel_dpi_probe_of()  local
148 	gpio = devm_gpiod_get_optional(&pdev->dev, "enable", GPIOD_OUT_LOW);  in panel_dpi_probe_of()
152 	ddata->enable_gpio = gpio;  in panel_dpi_probe_of()
154 	r = of_get_display_timing(node, "panel-timing", &timing);  in panel_dpi_probe_of()
156 		dev_err(&pdev->dev, "failed to get video timing\n");  in panel_dpi_probe_of()
160 	videomode_from_timing(&timing, &vm);  in panel_dpi_probe_of()
161 	videomode_to_omap_video_timings(&vm, &ddata->videomode);  in panel_dpi_probe_of()
165 		dev_err(&pdev->dev, "failed to find video source\n");  in panel_dpi_probe_of()
169 	ddata->in = in;  in panel_dpi_probe_of()
180 	if (!pdev->dev.of_node)  in panel_dpi_probe()
181 		return -ENODEV;  in panel_dpi_probe()
183 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);  in panel_dpi_probe()
185 		return -ENOMEM;  in panel_dpi_probe()
193 	dssdev = &ddata->dssdev;  in panel_dpi_probe()
194 	dssdev->dev = &pdev->dev;  in panel_dpi_probe()
195 	dssdev->driver = &panel_dpi_ops;  in panel_dpi_probe()
196 	dssdev->type = OMAP_DISPLAY_TYPE_DPI;  in panel_dpi_probe()
197 	dssdev->owner = THIS_MODULE;  in panel_dpi_probe()
198 	dssdev->panel.timings = ddata->videomode;  in panel_dpi_probe()
199 	dssdev->phy.dpi.data_lines = ddata->data_lines;  in panel_dpi_probe()
203 		dev_err(&pdev->dev, "Failed to register panel\n");  in panel_dpi_probe()
210 	omap_dss_put_device(ddata->in);  in panel_dpi_probe()
217 	struct omap_dss_device *dssdev = &ddata->dssdev;  in panel_dpi_remove()
218 	struct omap_dss_device *in = ddata->in;  in panel_dpi_remove()
229 	{ .compatible = "omapdss,panel-dpi", },
239 		.name = "panel-dpi",
247 MODULE_DESCRIPTION("Generic MIPI DPI Panel Driver");