1 // SPDX-License-Identifier: GPL-2.0-only
3  * LCD panel driver for Sharp LS037V7DW01
61 	struct omap_dss_device *in = ddata->in;  in sharp_ls_connect()
67 	r = in->ops.dpi->connect(in, dssdev);  in sharp_ls_connect()
77 	struct omap_dss_device *in = ddata->in;  in sharp_ls_disconnect()
82 	in->ops.dpi->disconnect(in, dssdev);  in sharp_ls_disconnect()
88 	struct omap_dss_device *in = ddata->in;  in sharp_ls_enable()
92 		return -ENODEV;  in sharp_ls_enable()
97 	if (ddata->data_lines)  in sharp_ls_enable()
98 		in->ops.dpi->set_data_lines(in, ddata->data_lines);  in sharp_ls_enable()
99 	in->ops.dpi->set_timings(in, &ddata->videomode);  in sharp_ls_enable()
101 	if (ddata->vcc) {  in sharp_ls_enable()
102 		r = regulator_enable(ddata->vcc);  in sharp_ls_enable()
107 	r = in->ops.dpi->enable(in);  in sharp_ls_enable()
109 		regulator_disable(ddata->vcc);  in sharp_ls_enable()
116 	if (ddata->resb_gpio)  in sharp_ls_enable()
117 		gpiod_set_value_cansleep(ddata->resb_gpio, 1);  in sharp_ls_enable()
119 	if (ddata->ini_gpio)  in sharp_ls_enable()
120 		gpiod_set_value_cansleep(ddata->ini_gpio, 1);  in sharp_ls_enable()
122 	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;  in sharp_ls_enable()
130 	struct omap_dss_device *in = ddata->in;  in sharp_ls_disable()
135 	if (ddata->ini_gpio)  in sharp_ls_disable()
136 		gpiod_set_value_cansleep(ddata->ini_gpio, 0);  in sharp_ls_disable()
138 	if (ddata->resb_gpio)  in sharp_ls_disable()
139 		gpiod_set_value_cansleep(ddata->resb_gpio, 0);  in sharp_ls_disable()
145 	in->ops.dpi->disable(in);  in sharp_ls_disable()
147 	if (ddata->vcc)  in sharp_ls_disable()
148 		regulator_disable(ddata->vcc);  in sharp_ls_disable()
150 	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;  in sharp_ls_disable()
157 	struct omap_dss_device *in = ddata->in;  in sharp_ls_set_timings()
159 	ddata->videomode = *timings;  in sharp_ls_set_timings()
160 	dssdev->panel.timings = *timings;  in sharp_ls_set_timings()
162 	in->ops.dpi->set_timings(in, timings);  in sharp_ls_set_timings()
170 	*timings = ddata->videomode;  in sharp_ls_get_timings()
177 	struct omap_dss_device *in = ddata->in;  in sharp_ls_check_timings()
179 	return in->ops.dpi->check_timings(in, timings);  in sharp_ls_check_timings()
214 	struct device_node *node = pdev->dev.of_node;  in sharp_ls_probe_of()
218 	ddata->vcc = devm_regulator_get(&pdev->dev, "envdd");  in sharp_ls_probe_of()
219 	if (IS_ERR(ddata->vcc)) {  in sharp_ls_probe_of()
220 		dev_err(&pdev->dev, "failed to get regulator\n");  in sharp_ls_probe_of()
221 		return PTR_ERR(ddata->vcc);  in sharp_ls_probe_of()
225 	r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "enable", &ddata->ini_gpio);  in sharp_ls_probe_of()
230 	r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "reset", &ddata->resb_gpio);  in sharp_ls_probe_of()
235 	r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "mode", &ddata->mo_gpio);  in sharp_ls_probe_of()
240 	r = sharp_ls_get_gpio_of(&pdev->dev, 1, 1, "mode", &ddata->lr_gpio);  in sharp_ls_probe_of()
245 	r = sharp_ls_get_gpio_of(&pdev->dev, 2, 1, "mode", &ddata->ud_gpio);  in sharp_ls_probe_of()
251 		dev_err(&pdev->dev, "failed to find video source\n");  in sharp_ls_probe_of()
255 	ddata->in = in;  in sharp_ls_probe_of()
266 	if (!pdev->dev.of_node)  in sharp_ls_probe()
267 		return -ENODEV;  in sharp_ls_probe()
269 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);  in sharp_ls_probe()
271 		return -ENOMEM;  in sharp_ls_probe()
279 	ddata->videomode = sharp_ls_timings;  in sharp_ls_probe()
281 	dssdev = &ddata->dssdev;  in sharp_ls_probe()
282 	dssdev->dev = &pdev->dev;  in sharp_ls_probe()
283 	dssdev->driver = &sharp_ls_ops;  in sharp_ls_probe()
284 	dssdev->type = OMAP_DISPLAY_TYPE_DPI;  in sharp_ls_probe()
285 	dssdev->owner = THIS_MODULE;  in sharp_ls_probe()
286 	dssdev->panel.timings = ddata->videomode;  in sharp_ls_probe()
287 	dssdev->phy.dpi.data_lines = ddata->data_lines;  in sharp_ls_probe()
291 		dev_err(&pdev->dev, "Failed to register panel\n");  in sharp_ls_probe()
298 	omap_dss_put_device(ddata->in);  in sharp_ls_probe()
305 	struct omap_dss_device *dssdev = &ddata->dssdev;  in sharp_ls_remove()
306 	struct omap_dss_device *in = ddata->in;  in sharp_ls_remove()
329 		.name = "panel-sharp-ls037v7dw01",
338 MODULE_DESCRIPTION("Sharp LS037V7DW01 Panel Driver");