1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * NEC NL8048HL11 Panel driver
106 	for (i = 0; i < (ARRAY_SIZE(nec_8048_init_seq) - 1); i++)  in init_nec_8048_wvga_lcd()
118 	struct omap_dss_device *in = ddata->in;  in nec_8048_connect()
123 	return in->ops.dpi->connect(in, dssdev);  in nec_8048_connect()
129 	struct omap_dss_device *in = ddata->in;  in nec_8048_disconnect()
134 	in->ops.dpi->disconnect(in, dssdev);  in nec_8048_disconnect()
140 	struct omap_dss_device *in = ddata->in;  in nec_8048_enable()
144 		return -ENODEV;  in nec_8048_enable()
149 	if (ddata->data_lines)  in nec_8048_enable()
150 		in->ops.dpi->set_data_lines(in, ddata->data_lines);  in nec_8048_enable()
151 	in->ops.dpi->set_timings(in, &ddata->videomode);  in nec_8048_enable()
153 	r = in->ops.dpi->enable(in);  in nec_8048_enable()
158 	gpiod_set_value_cansleep(ddata->res_gpio, 1);  in nec_8048_enable()
160 	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;  in nec_8048_enable()
168 	struct omap_dss_device *in = ddata->in;  in nec_8048_disable()
174 	gpiod_set_value_cansleep(ddata->res_gpio, 0);  in nec_8048_disable()
176 	in->ops.dpi->disable(in);  in nec_8048_disable()
178 	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;  in nec_8048_disable()
185 	struct omap_dss_device *in = ddata->in;  in nec_8048_set_timings()
187 	ddata->videomode = *timings;  in nec_8048_set_timings()
188 	dssdev->panel.timings = *timings;  in nec_8048_set_timings()
190 	in->ops.dpi->set_timings(in, timings);  in nec_8048_set_timings()
198 	*timings = ddata->videomode;  in nec_8048_get_timings()
205 	struct omap_dss_device *in = ddata->in;  in nec_8048_check_timings()
207 	return in->ops.dpi->check_timings(in, timings);  in nec_8048_check_timings()
230 	dev_dbg(&spi->dev, "%s\n", __func__);  in nec_8048_probe()
232 	if (!spi->dev.of_node)  in nec_8048_probe()
233 		return -ENODEV;  in nec_8048_probe()
235 	spi->mode = SPI_MODE_0;  in nec_8048_probe()
236 	spi->bits_per_word = 32;  in nec_8048_probe()
240 		dev_err(&spi->dev, "spi_setup failed: %d\n", r);  in nec_8048_probe()
246 	ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);  in nec_8048_probe()
248 		return -ENOMEM;  in nec_8048_probe()
250 	dev_set_drvdata(&spi->dev, ddata);  in nec_8048_probe()
252 	ddata->spi = spi;  in nec_8048_probe()
254 	ddata->in = omapdss_of_find_source_for_first_ep(spi->dev.of_node);  in nec_8048_probe()
255 	r = PTR_ERR_OR_ZERO(ddata->in);  in nec_8048_probe()
257 		dev_err(&spi->dev, "failed to find video source: %d\n", r);  in nec_8048_probe()
261 	ddata->res_gpio = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_LOW);  in nec_8048_probe()
262 	r = PTR_ERR_OR_ZERO(ddata->res_gpio);  in nec_8048_probe()
264 		dev_err(&spi->dev, "failed to request reset gpio: %d\n", r);  in nec_8048_probe()
268 	gpiod_set_consumer_name(ddata->res_gpio, "lcd RES");  in nec_8048_probe()
270 	ddata->videomode = nec_8048_panel_timings;  in nec_8048_probe()
272 	dssdev = &ddata->dssdev;  in nec_8048_probe()
273 	dssdev->dev = &spi->dev;  in nec_8048_probe()
274 	dssdev->driver = &nec_8048_ops;  in nec_8048_probe()
275 	dssdev->type = OMAP_DISPLAY_TYPE_DPI;  in nec_8048_probe()
276 	dssdev->owner = THIS_MODULE;  in nec_8048_probe()
277 	dssdev->panel.timings = ddata->videomode;  in nec_8048_probe()
281 		dev_err(&spi->dev, "Failed to register panel\n");  in nec_8048_probe()
289 	omap_dss_put_device(ddata->in);  in nec_8048_probe()
295 	struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);  in nec_8048_remove()
296 	struct omap_dss_device *dssdev = &ddata->dssdev;  in nec_8048_remove()
297 	struct omap_dss_device *in = ddata->in;  in nec_8048_remove()
299 	dev_dbg(&ddata->spi->dev, "%s\n", __func__);  in nec_8048_remove()
324 	/* reinitialize the panel */  in nec_8048_resume()
347 		.name	= "panel-nec-nl8048hl11",
360 MODULE_DESCRIPTION("NEC-NL8048HL11 Driver");