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// 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");
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