1 // SPDX-License-Identifier: GPL-2.0-only
3  * LCD panel driver for Sharp LS037V7DW01
60 	struct omap_dss_device *in = ddata->in;  in sharp_ls_connect()
65 	return in->ops.dpi->connect(in, dssdev);  in sharp_ls_connect()
71 	struct omap_dss_device *in = ddata->in;  in sharp_ls_disconnect()
76 	in->ops.dpi->disconnect(in, dssdev);  in sharp_ls_disconnect()
82 	struct omap_dss_device *in = ddata->in;  in sharp_ls_enable()
86 		return -ENODEV;  in sharp_ls_enable()
91 	if (ddata->data_lines)  in sharp_ls_enable()
92 		in->ops.dpi->set_data_lines(in, ddata->data_lines);  in sharp_ls_enable()
93 	in->ops.dpi->set_timings(in, &ddata->videomode);  in sharp_ls_enable()
95 	if (ddata->vcc) {  in sharp_ls_enable()
96 		r = regulator_enable(ddata->vcc);  in sharp_ls_enable()
101 	r = in->ops.dpi->enable(in);  in sharp_ls_enable()
103 		regulator_disable(ddata->vcc);  in sharp_ls_enable()
110 	if (ddata->resb_gpio)  in sharp_ls_enable()
111 		gpiod_set_value_cansleep(ddata->resb_gpio, 1);  in sharp_ls_enable()
113 	if (ddata->ini_gpio)  in sharp_ls_enable()
114 		gpiod_set_value_cansleep(ddata->ini_gpio, 1);  in sharp_ls_enable()
116 	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;  in sharp_ls_enable()
124 	struct omap_dss_device *in = ddata->in;  in sharp_ls_disable()
129 	if (ddata->ini_gpio)  in sharp_ls_disable()
130 		gpiod_set_value_cansleep(ddata->ini_gpio, 0);  in sharp_ls_disable()
132 	if (ddata->resb_gpio)  in sharp_ls_disable()
133 		gpiod_set_value_cansleep(ddata->resb_gpio, 0);  in sharp_ls_disable()
139 	in->ops.dpi->disable(in);  in sharp_ls_disable()
141 	if (ddata->vcc)  in sharp_ls_disable()
142 		regulator_disable(ddata->vcc);  in sharp_ls_disable()
144 	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;  in sharp_ls_disable()
151 	struct omap_dss_device *in = ddata->in;  in sharp_ls_set_timings()
153 	ddata->videomode = *timings;  in sharp_ls_set_timings()
154 	dssdev->panel.timings = *timings;  in sharp_ls_set_timings()
156 	in->ops.dpi->set_timings(in, timings);  in sharp_ls_set_timings()
164 	*timings = ddata->videomode;  in sharp_ls_get_timings()
171 	struct omap_dss_device *in = ddata->in;  in sharp_ls_check_timings()
173 	return in->ops.dpi->check_timings(in, timings);  in sharp_ls_check_timings()
208 	struct device_node *node = pdev->dev.of_node;  in sharp_ls_probe_of()
212 	ddata->vcc = devm_regulator_get(&pdev->dev, "envdd");  in sharp_ls_probe_of()
213 	if (IS_ERR(ddata->vcc))  in sharp_ls_probe_of()
214 		return dev_err_probe(&pdev->dev, PTR_ERR(ddata->vcc),  in sharp_ls_probe_of()
218 	r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "enable", &ddata->ini_gpio);  in sharp_ls_probe_of()
223 	r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "reset", &ddata->resb_gpio);  in sharp_ls_probe_of()
228 	r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "mode", &ddata->mo_gpio);  in sharp_ls_probe_of()
233 	r = sharp_ls_get_gpio_of(&pdev->dev, 1, 1, "mode", &ddata->lr_gpio);  in sharp_ls_probe_of()
238 	r = sharp_ls_get_gpio_of(&pdev->dev, 2, 1, "mode", &ddata->ud_gpio);  in sharp_ls_probe_of()
244 		dev_err(&pdev->dev, "failed to find video source\n");  in sharp_ls_probe_of()
248 	ddata->in = in;  in sharp_ls_probe_of()
259 	if (!pdev->dev.of_node)  in sharp_ls_probe()
260 		return -ENODEV;  in sharp_ls_probe()
262 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);  in sharp_ls_probe()
264 		return -ENOMEM;  in sharp_ls_probe()
272 	ddata->videomode = sharp_ls_timings;  in sharp_ls_probe()
274 	dssdev = &ddata->dssdev;  in sharp_ls_probe()
275 	dssdev->dev = &pdev->dev;  in sharp_ls_probe()
276 	dssdev->driver = &sharp_ls_ops;  in sharp_ls_probe()
277 	dssdev->type = OMAP_DISPLAY_TYPE_DPI;  in sharp_ls_probe()
278 	dssdev->owner = THIS_MODULE;  in sharp_ls_probe()
279 	dssdev->panel.timings = ddata->videomode;  in sharp_ls_probe()
280 	dssdev->phy.dpi.data_lines = ddata->data_lines;  in sharp_ls_probe()
284 		dev_err(&pdev->dev, "Failed to register panel\n");  in sharp_ls_probe()
291 	omap_dss_put_device(ddata->in);  in sharp_ls_probe()
298 	struct omap_dss_device *dssdev = &ddata->dssdev;  in sharp_ls_remove()
299 	struct omap_dss_device *in = ddata->in;  in sharp_ls_remove()
320 		.name = "panel-sharp-ls037v7dw01",
328 MODULE_DESCRIPTION("Sharp LS037V7DW01 Panel Driver");