diff options
Diffstat (limited to 'drivers/video/fbdev/omap/lcd_h3.c')
-rw-r--r-- | drivers/video/fbdev/omap/lcd_h3.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/video/fbdev/omap/lcd_h3.c b/drivers/video/fbdev/omap/lcd_h3.c new file mode 100644 index 000000000..1766dff76 --- /dev/null +++ b/drivers/video/fbdev/omap/lcd_h3.c @@ -0,0 +1,82 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * LCD panel support for the TI OMAP H3 board + * + * Copyright (C) 2004 Nokia Corporation + * Author: Imre Deak <imre.deak@nokia.com> + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/mfd/tps65010.h> +#include <linux/gpio.h> + +#include "omapfb.h" + +#define MODULE_NAME "omapfb-lcd_h3" + +static int h3_panel_enable(struct lcd_panel *panel) +{ + int r = 0; + + /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */ + r = tps65010_set_gpio_out_value(GPIO1, HIGH); + if (!r) + r = tps65010_set_gpio_out_value(GPIO2, HIGH); + if (r) + pr_err(MODULE_NAME ": Unable to turn on LCD panel\n"); + + return r; +} + +static void h3_panel_disable(struct lcd_panel *panel) +{ + int r = 0; + + /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */ + r = tps65010_set_gpio_out_value(GPIO1, LOW); + if (!r) + tps65010_set_gpio_out_value(GPIO2, LOW); + if (r) + pr_err(MODULE_NAME ": Unable to turn off LCD panel\n"); +} + +static struct lcd_panel h3_panel = { + .name = "h3", + .config = OMAP_LCDC_PANEL_TFT, + + .data_lines = 16, + .bpp = 16, + .x_res = 240, + .y_res = 320, + .pixel_clock = 12000, + .hsw = 12, + .hfp = 14, + .hbp = 72 - 12, + .vsw = 1, + .vfp = 1, + .vbp = 0, + .pcd = 0, + + .enable = h3_panel_enable, + .disable = h3_panel_disable, +}; + +static int h3_panel_probe(struct platform_device *pdev) +{ + omapfb_register_panel(&h3_panel); + return 0; +} + +static struct platform_driver h3_panel_driver = { + .probe = h3_panel_probe, + .driver = { + .name = "lcd_h3", + }, +}; + +module_platform_driver(h3_panel_driver); + +MODULE_AUTHOR("Imre Deak"); +MODULE_DESCRIPTION("LCD panel support for the TI OMAP H3 board"); +MODULE_LICENSE("GPL"); |