1 // SPDX-License-Identifier: GPL-2.0+
7  * - Jagan Teki <jagan@amarulasolutions.com>
8  * - Stephen Chen <stephen@radxa.com>
53 	struct device *dev = panel->dev;  in jadard_enable()
55 	const struct jadard_panel_desc *desc = jadard->desc;  in jadard_enable()
56 	struct mipi_dsi_device *dsi = jadard->dsi;  in jadard_enable()
62 	for (i = 0; i < desc->num_init_cmds; i++) {  in jadard_enable()
63 		const struct jadard_init_cmd *cmd = &desc->init_cmds[i];  in jadard_enable()
65 		err = mipi_dsi_dcs_write_buffer(dsi, cmd->data, JD9365DA_INIT_CMD_LEN);  in jadard_enable()
85 	struct device *dev = panel->dev;  in jadard_disable()
89 	ret = mipi_dsi_dcs_set_display_off(jadard->dsi);  in jadard_disable()
93 	ret = mipi_dsi_dcs_enter_sleep_mode(jadard->dsi);  in jadard_disable()
105 	ret = regulator_enable(jadard->vccio);  in jadard_prepare()
109 	ret = regulator_enable(jadard->vdd);  in jadard_prepare()
113 	gpiod_set_value(jadard->reset, 1);  in jadard_prepare()
116 	gpiod_set_value(jadard->reset, 0);  in jadard_prepare()
119 	gpiod_set_value(jadard->reset, 1);  in jadard_prepare()
129 	gpiod_set_value(jadard->reset, 1);  in jadard_unprepare()
132 	regulator_disable(jadard->vdd);  in jadard_unprepare()
133 	regulator_disable(jadard->vccio);  in jadard_unprepare()
142 	const struct drm_display_mode *desc_mode = &jadard->desc->mode;  in jadard_get_modes()
145 	mode = drm_mode_duplicate(connector->dev, desc_mode);  in jadard_get_modes()
147 		DRM_DEV_ERROR(&jadard->dsi->dev, "failed to add mode %ux%ux@%u\n",  in jadard_get_modes()
148 			      desc_mode->hdisplay, desc_mode->vdisplay,  in jadard_get_modes()
150 		return -ENOMEM;  in jadard_get_modes()
156 	connector->display_info.width_mm = mode->width_mm;  in jadard_get_modes()
157 	connector->display_info.height_mm = mode->height_mm;  in jadard_get_modes()
589 	struct device *dev = &dsi->dev;  in jadard_dsi_probe()
594 	jadard = devm_kzalloc(&dsi->dev, sizeof(*jadard), GFP_KERNEL);  in jadard_dsi_probe()
596 		return -ENOMEM;  in jadard_dsi_probe()
599 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |  in jadard_dsi_probe()
601 	dsi->format = desc->format;  in jadard_dsi_probe()
602 	dsi->lanes = desc->lanes;  in jadard_dsi_probe()
604 	jadard->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);  in jadard_dsi_probe()
605 	if (IS_ERR(jadard->reset)) {  in jadard_dsi_probe()
606 		DRM_DEV_ERROR(&dsi->dev, "failed to get our reset GPIO\n");  in jadard_dsi_probe()
607 		return PTR_ERR(jadard->reset);  in jadard_dsi_probe()
610 	jadard->vdd = devm_regulator_get(dev, "vdd");  in jadard_dsi_probe()
611 	if (IS_ERR(jadard->vdd)) {  in jadard_dsi_probe()
612 		DRM_DEV_ERROR(&dsi->dev, "failed to get vdd regulator\n");  in jadard_dsi_probe()
613 		return PTR_ERR(jadard->vdd);  in jadard_dsi_probe()
616 	jadard->vccio = devm_regulator_get(dev, "vccio");  in jadard_dsi_probe()
617 	if (IS_ERR(jadard->vccio)) {  in jadard_dsi_probe()
618 		DRM_DEV_ERROR(&dsi->dev, "failed to get vccio regulator\n");  in jadard_dsi_probe()
619 		return PTR_ERR(jadard->vccio);  in jadard_dsi_probe()
622 	drm_panel_init(&jadard->panel, dev, &jadard_funcs,  in jadard_dsi_probe()
625 	ret = drm_panel_of_backlight(&jadard->panel);  in jadard_dsi_probe()
629 	drm_panel_add(&jadard->panel);  in jadard_dsi_probe()
632 	jadard->dsi = dsi;  in jadard_dsi_probe()
633 	jadard->desc = desc;  in jadard_dsi_probe()
637 		drm_panel_remove(&jadard->panel);  in jadard_dsi_probe()
647 	drm_panel_remove(&jadard->panel);  in jadard_dsi_remove()
656 		.compatible = "radxa,display-10hd-ad001",
660 		.compatible = "radxa,display-8hd-ad002",
671 		.name = "jadard-jd9365da",
679 MODULE_DESCRIPTION("Jadard JD9365DA-H3 WXGA DSI panel");