diff options
Diffstat (limited to 'drivers/video/fbdev/omap/lcd_osk.c')
-rw-r--r-- | drivers/video/fbdev/omap/lcd_osk.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/video/fbdev/omap/lcd_osk.c b/drivers/video/fbdev/omap/lcd_osk.c new file mode 100644 index 000000000..8168ba0d4 --- /dev/null +++ b/drivers/video/fbdev/omap/lcd_osk.c @@ -0,0 +1,86 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * LCD panel support for the TI OMAP OSK board + * + * Copyright (C) 2004 Nokia Corporation + * Author: Imre Deak <imre.deak@nokia.com> + * Adapted for OSK by <dirk.behme@de.bosch.com> + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> + +#include <linux/soc/ti/omap1-io.h> +#include <linux/soc/ti/omap1-mux.h> + +#include "omapfb.h" + +static int osk_panel_enable(struct lcd_panel *panel) +{ + /* configure PWL pin */ + omap_cfg_reg(PWL); + + /* Enable PWL unit */ + omap_writeb(0x01, OMAP_PWL_CLK_ENABLE); + + /* Set PWL level */ + omap_writeb(0xFF, OMAP_PWL_ENABLE); + + /* set GPIO2 high (lcd power enabled) */ + gpio_set_value(2, 1); + + return 0; +} + +static void osk_panel_disable(struct lcd_panel *panel) +{ + /* Set PWL level to zero */ + omap_writeb(0x00, OMAP_PWL_ENABLE); + + /* Disable PWL unit */ + omap_writeb(0x00, OMAP_PWL_CLK_ENABLE); + + /* set GPIO2 low */ + gpio_set_value(2, 0); +} + +static struct lcd_panel osk_panel = { + .name = "osk", + .config = OMAP_LCDC_PANEL_TFT, + + .bpp = 16, + .data_lines = 16, + .x_res = 240, + .y_res = 320, + .pixel_clock = 12500, + .hsw = 40, + .hfp = 40, + .hbp = 72, + .vsw = 1, + .vfp = 1, + .vbp = 0, + .pcd = 12, + + .enable = osk_panel_enable, + .disable = osk_panel_disable, +}; + +static int osk_panel_probe(struct platform_device *pdev) +{ + omapfb_register_panel(&osk_panel); + return 0; +} + +static struct platform_driver osk_panel_driver = { + .probe = osk_panel_probe, + .driver = { + .name = "lcd_osk", + }, +}; + +module_platform_driver(osk_panel_driver); + +MODULE_AUTHOR("Imre Deak"); +MODULE_DESCRIPTION("LCD panel support for the TI OMAP OSK board"); +MODULE_LICENSE("GPL"); |