1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * LCD panel support for the TI OMAP H3 board
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2004 Nokia Corporation
6*4882a593Smuzhiyun * Author: Imre Deak <imre.deak@nokia.com>
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <linux/module.h>
10*4882a593Smuzhiyun #include <linux/platform_device.h>
11*4882a593Smuzhiyun #include <linux/mfd/tps65010.h>
12*4882a593Smuzhiyun #include <linux/gpio.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include "omapfb.h"
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #define MODULE_NAME "omapfb-lcd_h3"
17*4882a593Smuzhiyun
h3_panel_enable(struct lcd_panel * panel)18*4882a593Smuzhiyun static int h3_panel_enable(struct lcd_panel *panel)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun int r = 0;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
23*4882a593Smuzhiyun r = tps65010_set_gpio_out_value(GPIO1, HIGH);
24*4882a593Smuzhiyun if (!r)
25*4882a593Smuzhiyun r = tps65010_set_gpio_out_value(GPIO2, HIGH);
26*4882a593Smuzhiyun if (r)
27*4882a593Smuzhiyun pr_err(MODULE_NAME ": Unable to turn on LCD panel\n");
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun return r;
30*4882a593Smuzhiyun }
31*4882a593Smuzhiyun
h3_panel_disable(struct lcd_panel * panel)32*4882a593Smuzhiyun static void h3_panel_disable(struct lcd_panel *panel)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun int r = 0;
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
37*4882a593Smuzhiyun r = tps65010_set_gpio_out_value(GPIO1, LOW);
38*4882a593Smuzhiyun if (!r)
39*4882a593Smuzhiyun tps65010_set_gpio_out_value(GPIO2, LOW);
40*4882a593Smuzhiyun if (r)
41*4882a593Smuzhiyun pr_err(MODULE_NAME ": Unable to turn off LCD panel\n");
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun static struct lcd_panel h3_panel = {
45*4882a593Smuzhiyun .name = "h3",
46*4882a593Smuzhiyun .config = OMAP_LCDC_PANEL_TFT,
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun .data_lines = 16,
49*4882a593Smuzhiyun .bpp = 16,
50*4882a593Smuzhiyun .x_res = 240,
51*4882a593Smuzhiyun .y_res = 320,
52*4882a593Smuzhiyun .pixel_clock = 12000,
53*4882a593Smuzhiyun .hsw = 12,
54*4882a593Smuzhiyun .hfp = 14,
55*4882a593Smuzhiyun .hbp = 72 - 12,
56*4882a593Smuzhiyun .vsw = 1,
57*4882a593Smuzhiyun .vfp = 1,
58*4882a593Smuzhiyun .vbp = 0,
59*4882a593Smuzhiyun .pcd = 0,
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun .enable = h3_panel_enable,
62*4882a593Smuzhiyun .disable = h3_panel_disable,
63*4882a593Smuzhiyun };
64*4882a593Smuzhiyun
h3_panel_probe(struct platform_device * pdev)65*4882a593Smuzhiyun static int h3_panel_probe(struct platform_device *pdev)
66*4882a593Smuzhiyun {
67*4882a593Smuzhiyun omapfb_register_panel(&h3_panel);
68*4882a593Smuzhiyun return 0;
69*4882a593Smuzhiyun }
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun static struct platform_driver h3_panel_driver = {
72*4882a593Smuzhiyun .probe = h3_panel_probe,
73*4882a593Smuzhiyun .driver = {
74*4882a593Smuzhiyun .name = "lcd_h3",
75*4882a593Smuzhiyun },
76*4882a593Smuzhiyun };
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun module_platform_driver(h3_panel_driver);
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun MODULE_AUTHOR("Imre Deak");
81*4882a593Smuzhiyun MODULE_DESCRIPTION("LCD panel support for the TI OMAP H3 board");
82*4882a593Smuzhiyun MODULE_LICENSE("GPL");
83