mirror of https://gitee.com/openkylin/linux.git
83 lines
1.7 KiB
C
83 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* LCD panel support for the TI OMAP H3 board
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*
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* Copyright (C) 2004 Nokia Corporation
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* Author: Imre Deak <imre.deak@nokia.com>
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/mfd/tps65010.h>
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#include <linux/gpio.h>
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#include "omapfb.h"
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#define MODULE_NAME "omapfb-lcd_h3"
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static int h3_panel_enable(struct lcd_panel *panel)
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{
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int r = 0;
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/* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
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r = tps65010_set_gpio_out_value(GPIO1, HIGH);
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if (!r)
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r = tps65010_set_gpio_out_value(GPIO2, HIGH);
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if (r)
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pr_err(MODULE_NAME ": Unable to turn on LCD panel\n");
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return r;
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}
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static void h3_panel_disable(struct lcd_panel *panel)
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{
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int r = 0;
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/* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
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r = tps65010_set_gpio_out_value(GPIO1, LOW);
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if (!r)
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tps65010_set_gpio_out_value(GPIO2, LOW);
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if (r)
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pr_err(MODULE_NAME ": Unable to turn off LCD panel\n");
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}
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static struct lcd_panel h3_panel = {
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.name = "h3",
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.config = OMAP_LCDC_PANEL_TFT,
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.data_lines = 16,
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.bpp = 16,
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.x_res = 240,
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.y_res = 320,
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.pixel_clock = 12000,
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.hsw = 12,
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.hfp = 14,
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.hbp = 72 - 12,
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.vsw = 1,
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.vfp = 1,
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.vbp = 0,
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.pcd = 0,
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.enable = h3_panel_enable,
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.disable = h3_panel_disable,
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};
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static int h3_panel_probe(struct platform_device *pdev)
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{
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omapfb_register_panel(&h3_panel);
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return 0;
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}
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static struct platform_driver h3_panel_driver = {
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.probe = h3_panel_probe,
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.driver = {
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.name = "lcd_h3",
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},
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};
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module_platform_driver(h3_panel_driver);
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MODULE_AUTHOR("Imre Deak");
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MODULE_DESCRIPTION("LCD panel support for the TI OMAP H3 board");
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MODULE_LICENSE("GPL");
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