1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * LCD panel support for the TI OMAP1610 Innovator 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
12*4882a593Smuzhiyun #include <linux/gpio.h>
13*4882a593Smuzhiyun #include "omapfb.h"
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #define MODULE_NAME "omapfb-lcd_h3"
16*4882a593Smuzhiyun
innovator1610_panel_init(struct lcd_panel * panel,struct omapfb_device * fbdev)17*4882a593Smuzhiyun static int innovator1610_panel_init(struct lcd_panel *panel,
18*4882a593Smuzhiyun struct omapfb_device *fbdev)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun int r = 0;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun /* configure GPIO(14, 15) as outputs */
23*4882a593Smuzhiyun if (gpio_request_one(14, GPIOF_OUT_INIT_LOW, "lcd_en0")) {
24*4882a593Smuzhiyun pr_err(MODULE_NAME ": can't request GPIO 14\n");
25*4882a593Smuzhiyun r = -1;
26*4882a593Smuzhiyun goto exit;
27*4882a593Smuzhiyun }
28*4882a593Smuzhiyun if (gpio_request_one(15, GPIOF_OUT_INIT_LOW, "lcd_en1")) {
29*4882a593Smuzhiyun pr_err(MODULE_NAME ": can't request GPIO 15\n");
30*4882a593Smuzhiyun gpio_free(14);
31*4882a593Smuzhiyun r = -1;
32*4882a593Smuzhiyun goto exit;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun exit:
35*4882a593Smuzhiyun return r;
36*4882a593Smuzhiyun }
37*4882a593Smuzhiyun
innovator1610_panel_cleanup(struct lcd_panel * panel)38*4882a593Smuzhiyun static void innovator1610_panel_cleanup(struct lcd_panel *panel)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun gpio_free(15);
41*4882a593Smuzhiyun gpio_free(14);
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
innovator1610_panel_enable(struct lcd_panel * panel)44*4882a593Smuzhiyun static int innovator1610_panel_enable(struct lcd_panel *panel)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun /* set GPIO14 and GPIO15 high */
47*4882a593Smuzhiyun gpio_set_value(14, 1);
48*4882a593Smuzhiyun gpio_set_value(15, 1);
49*4882a593Smuzhiyun return 0;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun
innovator1610_panel_disable(struct lcd_panel * panel)52*4882a593Smuzhiyun static void innovator1610_panel_disable(struct lcd_panel *panel)
53*4882a593Smuzhiyun {
54*4882a593Smuzhiyun /* set GPIO13, GPIO14 and GPIO15 low */
55*4882a593Smuzhiyun gpio_set_value(14, 0);
56*4882a593Smuzhiyun gpio_set_value(15, 0);
57*4882a593Smuzhiyun }
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun static struct lcd_panel innovator1610_panel = {
60*4882a593Smuzhiyun .name = "inn1610",
61*4882a593Smuzhiyun .config = OMAP_LCDC_PANEL_TFT,
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun .bpp = 16,
64*4882a593Smuzhiyun .data_lines = 16,
65*4882a593Smuzhiyun .x_res = 320,
66*4882a593Smuzhiyun .y_res = 240,
67*4882a593Smuzhiyun .pixel_clock = 12500,
68*4882a593Smuzhiyun .hsw = 40,
69*4882a593Smuzhiyun .hfp = 40,
70*4882a593Smuzhiyun .hbp = 72,
71*4882a593Smuzhiyun .vsw = 1,
72*4882a593Smuzhiyun .vfp = 1,
73*4882a593Smuzhiyun .vbp = 0,
74*4882a593Smuzhiyun .pcd = 12,
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun .init = innovator1610_panel_init,
77*4882a593Smuzhiyun .cleanup = innovator1610_panel_cleanup,
78*4882a593Smuzhiyun .enable = innovator1610_panel_enable,
79*4882a593Smuzhiyun .disable = innovator1610_panel_disable,
80*4882a593Smuzhiyun };
81*4882a593Smuzhiyun
innovator1610_panel_probe(struct platform_device * pdev)82*4882a593Smuzhiyun static int innovator1610_panel_probe(struct platform_device *pdev)
83*4882a593Smuzhiyun {
84*4882a593Smuzhiyun omapfb_register_panel(&innovator1610_panel);
85*4882a593Smuzhiyun return 0;
86*4882a593Smuzhiyun }
87*4882a593Smuzhiyun
88*4882a593Smuzhiyun static struct platform_driver innovator1610_panel_driver = {
89*4882a593Smuzhiyun .probe = innovator1610_panel_probe,
90*4882a593Smuzhiyun .driver = {
91*4882a593Smuzhiyun .name = "lcd_inn1610",
92*4882a593Smuzhiyun },
93*4882a593Smuzhiyun };
94*4882a593Smuzhiyun
95*4882a593Smuzhiyun module_platform_driver(innovator1610_panel_driver);
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun MODULE_AUTHOR("Imre Deak");
98*4882a593Smuzhiyun MODULE_DESCRIPTION("LCD panel support for the TI OMAP1610 Innovator board");
99*4882a593Smuzhiyun MODULE_LICENSE("GPL");
100