Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
mach-smartq7.c
Go to the documentation of this file.
1 /*
2  * linux/arch/arm/mach-s3c64xx/mach-smartq7.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/init.h>
16 #include <linux/input.h>
17 #include <linux/leds.h>
18 #include <linux/platform_device.h>
19 
20 #include <asm/hardware/vic.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 
24 #include <video/samsung_fimd.h>
25 #include <mach/map.h>
26 #include <mach/regs-gpio.h>
27 
28 #include <plat/cpu.h>
29 #include <plat/devs.h>
30 #include <plat/fb.h>
31 #include <plat/gpio-cfg.h>
32 
33 #include "common.h"
34 #include "mach-smartq.h"
35 
36 static struct gpio_led smartq7_leds[] = {
37  {
38  .name = "smartq7:red",
39  .active_low = 1,
40  .gpio = S3C64XX_GPN(8),
41  },
42  {
43  .name = "smartq7:green",
44  .active_low = 1,
45  .gpio = S3C64XX_GPN(9),
46  },
47 };
48 
49 static struct gpio_led_platform_data smartq7_led_data = {
50  .num_leds = ARRAY_SIZE(smartq7_leds),
51  .leds = smartq7_leds,
52 };
53 
54 static struct platform_device smartq7_leds_device = {
55  .name = "leds-gpio",
56  .id = -1,
57  .dev.platform_data = &smartq7_led_data,
58 };
59 
60 /* Labels according to the SmartQ manual */
61 static struct gpio_keys_button smartq7_buttons[] = {
62  {
63  .gpio = S3C64XX_GPL(14),
64  .code = KEY_POWER,
65  .desc = "Power",
66  .active_low = 1,
67  .debounce_interval = 5,
68  .type = EV_KEY,
69  },
70  {
71  .gpio = S3C64XX_GPN(2),
72  .code = KEY_FN,
73  .desc = "Function",
74  .active_low = 1,
75  .debounce_interval = 5,
76  .type = EV_KEY,
77  },
78  {
79  .gpio = S3C64XX_GPN(3),
80  .code = KEY_KPMINUS,
81  .desc = "Minus",
82  .active_low = 1,
83  .debounce_interval = 5,
84  .type = EV_KEY,
85  },
86  {
87  .gpio = S3C64XX_GPN(4),
88  .code = KEY_KPPLUS,
89  .desc = "Plus",
90  .active_low = 1,
91  .debounce_interval = 5,
92  .type = EV_KEY,
93  },
94  {
95  .gpio = S3C64XX_GPN(12),
96  .code = KEY_ENTER,
97  .desc = "Enter",
98  .active_low = 1,
99  .debounce_interval = 5,
100  .type = EV_KEY,
101  },
102  {
103  .gpio = S3C64XX_GPN(15),
104  .code = KEY_ESC,
105  .desc = "Cancel",
106  .active_low = 1,
107  .debounce_interval = 5,
108  .type = EV_KEY,
109  },
110 };
111 
112 static struct gpio_keys_platform_data smartq7_buttons_data = {
113  .buttons = smartq7_buttons,
114  .nbuttons = ARRAY_SIZE(smartq7_buttons),
115 };
116 
117 static struct platform_device smartq7_buttons_device = {
118  .name = "gpio-keys",
119  .id = 0,
120  .num_resources = 0,
121  .dev = {
122  .platform_data = &smartq7_buttons_data,
123  }
124 };
125 
126 static struct s3c_fb_pd_win smartq7_fb_win0 = {
127  .max_bpp = 32,
128  .default_bpp = 16,
129  .xres = 800,
130  .yres = 480,
131 };
132 
133 static struct fb_videomode smartq7_lcd_timing = {
134  .left_margin = 3,
135  .right_margin = 5,
136  .upper_margin = 1,
137  .lower_margin = 20,
138  .hsync_len = 10,
139  .vsync_len = 3,
140  .xres = 800,
141  .yres = 480,
142  .refresh = 80,
143 };
144 
145 static struct s3c_fb_platdata smartq7_lcd_pdata __initdata = {
146  .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
147  .vtiming = &smartq7_lcd_timing,
148  .win[0] = &smartq7_fb_win0,
150  .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
152 };
153 
154 static struct platform_device *smartq7_devices[] __initdata = {
155  &smartq7_leds_device,
156  &smartq7_buttons_device,
157 };
158 
159 static void __init smartq7_machine_init(void)
160 {
161  s3c_fb_set_platdata(&smartq7_lcd_pdata);
162 
164 
165  platform_add_devices(smartq7_devices, ARRAY_SIZE(smartq7_devices));
166 }
167 
168 MACHINE_START(SMARTQ7, "SmartQ 7")
169  /* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
170  .atag_offset = 0x100,
171  .init_irq = s3c6410_init_irq,
172  .handle_irq = vic_handle_irq,
173  .map_io = smartq_map_io,
174  .init_machine = smartq7_machine_init,
175  .init_late = s3c64xx_init_late,
176  .timer = &s3c24xx_timer,
177  .restart = s3c64xx_restart,