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Maurus Cuelenaerea2f7bff2010-05-20 11:35:50 +02001/*
2 * linux/arch/arm/mach-s3c64xx/mach-smartq5.c
3 *
4 * Copyright (C) 2010 Maurus Cuelenaere
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11
12#include <linux/fb.h>
13#include <linux/gpio.h>
14#include <linux/gpio_keys.h>
15#include <linux/i2c-gpio.h>
16#include <linux/init.h>
17#include <linux/input.h>
18#include <linux/leds.h>
19#include <linux/platform_device.h>
20
21#include <asm/mach-types.h>
22#include <asm/mach/arch.h>
23
24#include <mach/map.h>
25#include <mach/regs-fb.h>
26#include <mach/regs-gpio.h>
27#include <mach/s3c6410.h>
28
29#include <plat/cpu.h>
30#include <plat/devs.h>
31#include <plat/fb.h>
32#include <plat/gpio-cfg.h>
33
34#include "mach-smartq.h"
35
36static void __init smartq5_lcd_setup_gpio(void)
37{
38 gpio_request(S3C64XX_GPM(0), "LCD SCEN pin");
39 gpio_request(S3C64XX_GPM(1), "LCD SCL pin");
40 gpio_request(S3C64XX_GPM(2), "LCD SDA pin");
41 gpio_request(S3C64XX_GPM(3), "LCD power");
42
43 /* turn power off */
44 gpio_direction_output(S3C64XX_GPM(0), 1);
45 gpio_direction_input(S3C64XX_GPM(1));
46 gpio_direction_input(S3C64XX_GPM(2));
47 gpio_direction_output(S3C64XX_GPM(3), 0);
48}
49
50static struct i2c_gpio_platform_data smartq5_lcd_control = {
51 .sda_pin = S3C64XX_GPM(2),
52 .scl_pin = S3C64XX_GPM(1),
53};
54
55static struct platform_device smartq5_lcd_control_device = {
56 .name = "i2c-gpio",
57 .id = 1,
58 .dev.platform_data = &smartq5_lcd_control,
59};
60
61static struct gpio_led smartq5_leds[] __initdata = {
62 {
63 .name = "smartq5:green",
64 .active_low = 1,
65 .gpio = S3C64XX_GPN(8),
66 },
67 {
68 .name = "smartq5:red",
69 .active_low = 1,
70 .gpio = S3C64XX_GPN(9),
71 },
72};
73
74static struct gpio_led_platform_data smartq5_led_data = {
75 .num_leds = ARRAY_SIZE(smartq5_leds),
76 .leds = smartq5_leds,
77};
78
79static struct platform_device smartq5_leds_device = {
80 .name = "leds-gpio",
81 .id = -1,
82 .dev.platform_data = &smartq5_led_data,
83};
84
85/* Labels according to the SmartQ manual */
86static struct gpio_keys_button smartq5_buttons[] = {
87 {
88 .gpio = S3C64XX_GPL(14),
89 .code = KEY_POWER,
90 .desc = "Power",
91 .active_low = 1,
92 .debounce_interval = 5,
93 .type = EV_KEY,
94 },
95 {
96 .gpio = S3C64XX_GPN(2),
97 .code = KEY_KPMINUS,
98 .desc = "Minus",
99 .active_low = 1,
100 .debounce_interval = 5,
101 .type = EV_KEY,
102 },
103 {
104 .gpio = S3C64XX_GPN(12),
105 .code = KEY_KPPLUS,
106 .desc = "Plus",
107 .active_low = 1,
108 .debounce_interval = 5,
109 .type = EV_KEY,
110 },
111 {
112 .gpio = S3C64XX_GPN(15),
113 .code = KEY_ENTER,
114 .desc = "Move",
115 .active_low = 1,
116 .debounce_interval = 5,
117 .type = EV_KEY,
118 },
119};
120
121static struct gpio_keys_platform_data smartq5_buttons_data = {
122 .buttons = smartq5_buttons,
123 .nbuttons = ARRAY_SIZE(smartq5_buttons),
124};
125
126static struct platform_device smartq5_buttons_device = {
127 .name = "gpio-keys",
128 .id = 0,
129 .num_resources = 0,
130 .dev = {
131 .platform_data = &smartq5_buttons_data,
132 }
133};
134
135static struct s3c_fb_pd_win smartq5_fb_win0 = {
136 .win_mode = {
137 .pixclock = 1000000000000ULL /
138 ((40+1+216+800)*(10+1+35+480)*80),
139 .left_margin = 40,
140 .right_margin = 216,
141 .upper_margin = 10,
142 .lower_margin = 35,
143 .hsync_len = 1,
144 .vsync_len = 1,
145 .xres = 800,
146 .yres = 480,
147 },
148 .max_bpp = 32,
149 .default_bpp = 16,
150};
151
152static struct s3c_fb_platdata smartq5_lcd_pdata __initdata = {
153 .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
154 .win[0] = &smartq5_fb_win0,
155 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
156 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
157 VIDCON1_INV_VDEN,
158};
159
160static struct platform_device *smartq5_devices[] __initdata = {
161 &smartq5_leds_device,
162 &smartq5_buttons_device,
163 &smartq5_lcd_control_device,
164};
165
166static void __init smartq5_machine_init(void)
167{
168 s3c_fb_set_platdata(&smartq5_lcd_pdata);
169
170 smartq_machine_init();
171 smartq5_lcd_setup_gpio();
172
173 platform_add_devices(smartq5_devices, ARRAY_SIZE(smartq5_devices));
174}
175
176MACHINE_START(SMARTQ5, "SmartQ 5")
177 /* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
178 .phys_io = S3C_PA_UART & 0xfff00000,
179 .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
180 .boot_params = S3C64XX_PA_SDRAM + 0x100,
181 .init_irq = s3c6410_init_irq,
182 .map_io = smartq_map_io,
183 .init_machine = smartq5_machine_init,
184 .timer = &s3c24xx_timer,
185MACHINE_END