Lines Matching +full:iovcc +full:- +full:supply
1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/media-bus-format.h>
36 struct regulator *iovcc; member
47 { 0x51, 0x85 }, /* VREG2OUT=-5V */
230 { 0x85, 0x0D }, /* VGL clamp level (-10V) */
248 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_init_sequence()
307 dev_err(ctx->dev, "failed to set tear on: %d\n", ret); in ltk050h3146w_init_sequence()
337 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_a2_select_page()
347 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_a2_write_page()
352 dev_err(ctx->dev, "failed to select page %d: %d\n", page, ret); in ltk050h3146w_a2_write_page()
360 dev_err(ctx->dev, "failed to write page %d init cmds: %d\n", page, ret); in ltk050h3146w_a2_write_page()
370 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_a2_init_sequence()
394 dev_err(ctx->dev, "failed to select page 0: %d\n", ret); in ltk050h3146w_a2_init_sequence()
401 dev_err(ctx->dev, "failed to set tear on: %d\n", ret); in ltk050h3146w_a2_init_sequence()
432 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_unprepare()
435 if (!ctx->prepared) in ltk050h3146w_unprepare()
440 dev_err(ctx->dev, "failed to set display off: %d\n", ret); in ltk050h3146w_unprepare()
446 dev_err(ctx->dev, "failed to enter sleep mode: %d\n", ret); in ltk050h3146w_unprepare()
450 regulator_disable(ctx->iovcc); in ltk050h3146w_unprepare()
451 regulator_disable(ctx->vci); in ltk050h3146w_unprepare()
453 ctx->prepared = false; in ltk050h3146w_unprepare()
461 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_prepare()
464 if (ctx->prepared) in ltk050h3146w_prepare()
467 dev_dbg(ctx->dev, "Resetting the panel\n"); in ltk050h3146w_prepare()
468 ret = regulator_enable(ctx->vci); in ltk050h3146w_prepare()
470 dev_err(ctx->dev, "Failed to enable vci supply: %d\n", ret); in ltk050h3146w_prepare()
473 ret = regulator_enable(ctx->iovcc); in ltk050h3146w_prepare()
475 dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n", ret); in ltk050h3146w_prepare()
479 gpiod_set_value_cansleep(ctx->reset_gpio, 1); in ltk050h3146w_prepare()
481 gpiod_set_value_cansleep(ctx->reset_gpio, 0); in ltk050h3146w_prepare()
484 ret = ctx->panel_desc->init(ctx); in ltk050h3146w_prepare()
486 dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret); in ltk050h3146w_prepare()
492 dev_err(ctx->dev, "Failed to exit sleep mode: %d\n", ret); in ltk050h3146w_prepare()
501 dev_err(ctx->dev, "Failed to set display on: %d\n", ret); in ltk050h3146w_prepare()
507 ctx->prepared = true; in ltk050h3146w_prepare()
512 regulator_disable(ctx->iovcc); in ltk050h3146w_prepare()
514 regulator_disable(ctx->vci); in ltk050h3146w_prepare()
524 mode = drm_mode_duplicate(connector->dev, ctx->panel_desc->mode); in ltk050h3146w_get_modes()
526 return -ENOMEM; in ltk050h3146w_get_modes()
530 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; in ltk050h3146w_get_modes()
531 connector->display_info.width_mm = mode->width_mm; in ltk050h3146w_get_modes()
532 connector->display_info.height_mm = mode->height_mm; in ltk050h3146w_get_modes()
546 struct device *dev = &dsi->dev; in ltk050h3146w_probe()
552 return -ENOMEM; in ltk050h3146w_probe()
554 ctx->panel_desc = of_device_get_match_data(dev); in ltk050h3146w_probe()
555 if (!ctx->panel_desc) in ltk050h3146w_probe()
556 return -EINVAL; in ltk050h3146w_probe()
558 ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); in ltk050h3146w_probe()
559 if (IS_ERR(ctx->reset_gpio)) { in ltk050h3146w_probe()
561 return PTR_ERR(ctx->reset_gpio); in ltk050h3146w_probe()
564 ctx->vci = devm_regulator_get(dev, "vci"); in ltk050h3146w_probe()
565 if (IS_ERR(ctx->vci)) { in ltk050h3146w_probe()
566 ret = PTR_ERR(ctx->vci); in ltk050h3146w_probe()
567 if (ret != -EPROBE_DEFER) in ltk050h3146w_probe()
572 ctx->iovcc = devm_regulator_get(dev, "iovcc"); in ltk050h3146w_probe()
573 if (IS_ERR(ctx->iovcc)) { in ltk050h3146w_probe()
574 ret = PTR_ERR(ctx->iovcc); in ltk050h3146w_probe()
575 if (ret != -EPROBE_DEFER) in ltk050h3146w_probe()
576 dev_err(dev, "Failed to request iovcc regulator: %d\n", ret); in ltk050h3146w_probe()
582 ctx->dev = dev; in ltk050h3146w_probe()
584 dsi->lanes = 4; in ltk050h3146w_probe()
585 dsi->format = MIPI_DSI_FMT_RGB888; in ltk050h3146w_probe()
586 dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | in ltk050h3146w_probe()
589 drm_panel_init(&ctx->panel, &dsi->dev, <k050h3146w_funcs, in ltk050h3146w_probe()
592 ret = drm_panel_of_backlight(&ctx->panel); in ltk050h3146w_probe()
596 drm_panel_add(&ctx->panel); in ltk050h3146w_probe()
601 drm_panel_remove(&ctx->panel); in ltk050h3146w_probe()
613 ret = drm_panel_unprepare(&ctx->panel); in ltk050h3146w_shutdown()
615 dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret); in ltk050h3146w_shutdown()
617 ret = drm_panel_disable(&ctx->panel); in ltk050h3146w_shutdown()
619 dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret); in ltk050h3146w_shutdown()
631 dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); in ltk050h3146w_remove()
633 drm_panel_remove(&ctx->panel); in ltk050h3146w_remove()
642 .compatible = "leadtek,ltk050h3146w-a2",
651 .name = "panel-leadtek-ltk050h3146w",
660 MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@theobroma-systems.com>");