100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
/*
|
||
|
|
* LCD panel support for the TI OMAP1610 Innovator board
|
||
|
|
*
|
||
|
|
* Copyright (C) 2004 Nokia Corporation
|
||
|
|
* Author: Imre Deak <imre.deak@nokia.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
|
||
|
|
#include <linux/gpio.h>
|
||
|
|
#include "omapfb.h"
|
||
|
|
|
||
|
|
#define MODULE_NAME "omapfb-lcd_h3"
|
||
|
|
|
||
|
|
static int innovator1610_panel_init(struct lcd_panel *panel,
|
||
|
|
struct omapfb_device *fbdev)
|
||
|
|
{
|
||
|
|
int r = 0;
|
||
|
|
|
||
|
|
/* configure GPIO(14, 15) as outputs */
|
||
|
|
if (gpio_request_one(14, GPIOF_OUT_INIT_LOW, "lcd_en0")) {
|
||
|
|
pr_err(MODULE_NAME ": can't request GPIO 14\n");
|
||
|
|
r = -1;
|
||
|
|
goto exit;
|
||
|
|
}
|
||
|
|
if (gpio_request_one(15, GPIOF_OUT_INIT_LOW, "lcd_en1")) {
|
||
|
|
pr_err(MODULE_NAME ": can't request GPIO 15\n");
|
||
|
|
gpio_free(14);
|
||
|
|
r = -1;
|
||
|
|
goto exit;
|
||
|
|
}
|
||
|
|
exit:
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void innovator1610_panel_cleanup(struct lcd_panel *panel)
|
||
|
|
{
|
||
|
|
gpio_free(15);
|
||
|
|
gpio_free(14);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int innovator1610_panel_enable(struct lcd_panel *panel)
|
||
|
|
{
|
||
|
|
/* set GPIO14 and GPIO15 high */
|
||
|
|
gpio_set_value(14, 1);
|
||
|
|
gpio_set_value(15, 1);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void innovator1610_panel_disable(struct lcd_panel *panel)
|
||
|
|
{
|
||
|
|
/* set GPIO13, GPIO14 and GPIO15 low */
|
||
|
|
gpio_set_value(14, 0);
|
||
|
|
gpio_set_value(15, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct lcd_panel innovator1610_panel = {
|
||
|
|
.name = "inn1610",
|
||
|
|
.config = OMAP_LCDC_PANEL_TFT,
|
||
|
|
|
||
|
|
.bpp = 16,
|
||
|
|
.data_lines = 16,
|
||
|
|
.x_res = 320,
|
||
|
|
.y_res = 240,
|
||
|
|
.pixel_clock = 12500,
|
||
|
|
.hsw = 40,
|
||
|
|
.hfp = 40,
|
||
|
|
.hbp = 72,
|
||
|
|
.vsw = 1,
|
||
|
|
.vfp = 1,
|
||
|
|
.vbp = 0,
|
||
|
|
.pcd = 12,
|
||
|
|
|
||
|
|
.init = innovator1610_panel_init,
|
||
|
|
.cleanup = innovator1610_panel_cleanup,
|
||
|
|
.enable = innovator1610_panel_enable,
|
||
|
|
.disable = innovator1610_panel_disable,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int innovator1610_panel_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
omapfb_register_panel(&innovator1610_panel);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct platform_driver innovator1610_panel_driver = {
|
||
|
|
.probe = innovator1610_panel_probe,
|
||
|
|
.driver = {
|
||
|
|
.name = "lcd_inn1610",
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
module_platform_driver(innovator1610_panel_driver);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Imre Deak");
|
||
|
|
MODULE_DESCRIPTION("LCD panel support for the TI OMAP1610 Innovator board");
|
||
|
|
MODULE_LICENSE("GPL");
|