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mach-smdkc100.c
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1 /* linux/arch/arm/mach-s5pc100/mach-smdkc100.c
2  *
3  * Copyright 2009 Samsung Electronics Co.
4  * Author: Byungho Min <[email protected]>
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/kernel.h>
13 #include <linux/types.h>
14 #include <linux/interrupt.h>
15 #include <linux/list.h>
16 #include <linux/timer.h>
17 #include <linux/init.h>
18 #include <linux/serial_core.h>
19 #include <linux/platform_device.h>
20 #include <linux/io.h>
21 #include <linux/gpio.h>
22 #include <linux/i2c.h>
23 #include <linux/fb.h>
24 #include <linux/delay.h>
25 #include <linux/input.h>
26 #include <linux/pwm_backlight.h>
27 
28 #include <asm/hardware/vic.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/map.h>
31 
32 #include <mach/map.h>
33 #include <mach/regs-gpio.h>
34 
35 #include <video/platform_lcd.h>
36 #include <video/samsung_fimd.h>
37 
38 #include <asm/irq.h>
39 #include <asm/mach-types.h>
40 
41 #include <plat/regs-serial.h>
42 #include <plat/gpio-cfg.h>
43 
44 #include <plat/clock.h>
45 #include <plat/devs.h>
46 #include <plat/cpu.h>
47 #include <plat/fb.h>
50 #include <plat/adc.h>
51 #include <plat/keypad.h>
54 #include <plat/backlight.h>
55 
56 #include "common.h"
57 
58 /* Following are default values for UCON, ULCON and UFCON UART registers */
59 #define SMDKC100_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
60  S3C2410_UCON_RXILEVEL | \
61  S3C2410_UCON_TXIRQMODE | \
62  S3C2410_UCON_RXIRQMODE | \
63  S3C2410_UCON_RXFIFO_TOI | \
64  S3C2443_UCON_RXERR_IRQEN)
65 
66 #define SMDKC100_ULCON_DEFAULT S3C2410_LCON_CS8
67 
68 #define SMDKC100_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
69  S3C2440_UFCON_RXTRIG8 | \
70  S3C2440_UFCON_TXTRIG16)
71 
72 static struct s3c2410_uartcfg smdkc100_uartcfgs[] __initdata = {
73  [0] = {
74  .hwport = 0,
75  .flags = 0,
76  .ucon = SMDKC100_UCON_DEFAULT,
77  .ulcon = SMDKC100_ULCON_DEFAULT,
78  .ufcon = SMDKC100_UFCON_DEFAULT,
79  },
80  [1] = {
81  .hwport = 1,
82  .flags = 0,
83  .ucon = SMDKC100_UCON_DEFAULT,
84  .ulcon = SMDKC100_ULCON_DEFAULT,
85  .ufcon = SMDKC100_UFCON_DEFAULT,
86  },
87  [2] = {
88  .hwport = 2,
89  .flags = 0,
90  .ucon = SMDKC100_UCON_DEFAULT,
91  .ulcon = SMDKC100_ULCON_DEFAULT,
92  .ufcon = SMDKC100_UFCON_DEFAULT,
93  },
94  [3] = {
95  .hwport = 3,
96  .flags = 0,
97  .ucon = SMDKC100_UCON_DEFAULT,
98  .ulcon = SMDKC100_ULCON_DEFAULT,
99  .ufcon = SMDKC100_UFCON_DEFAULT,
100  },
101 };
102 
103 /* I2C0 */
104 static struct i2c_board_info i2c_devs0[] __initdata = {
105  {I2C_BOARD_INFO("wm8580", 0x1b),},
106 };
107 
108 /* I2C1 */
109 static struct i2c_board_info i2c_devs1[] __initdata = {
110 };
111 
112 /* LCD power controller */
113 static void smdkc100_lcd_power_set(struct plat_lcd_data *pd,
114  unsigned int power)
115 {
116  if (power) {
117  /* module reset */
119  mdelay(100);
121  mdelay(10);
123  mdelay(10);
124  }
125 }
126 
127 static struct plat_lcd_data smdkc100_lcd_power_data = {
128  .set_power = smdkc100_lcd_power_set,
129 };
130 
131 static struct platform_device smdkc100_lcd_powerdev = {
132  .name = "platform-lcd",
133  .dev.parent = &s3c_device_fb.dev,
134  .dev.platform_data = &smdkc100_lcd_power_data,
135 };
136 
137 /* Frame Buffer */
138 static struct s3c_fb_pd_win smdkc100_fb_win0 = {
139  .max_bpp = 32,
140  .default_bpp = 16,
141  .xres = 800,
142  .yres = 480,
143 };
144 
145 static struct fb_videomode smdkc100_lcd_timing = {
146  .left_margin = 8,
147  .right_margin = 13,
148  .upper_margin = 7,
149  .lower_margin = 5,
150  .hsync_len = 3,
151  .vsync_len = 1,
152  .xres = 800,
153  .yres = 480,
154  .refresh = 80,
155 };
156 
157 static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = {
158  .win[0] = &smdkc100_fb_win0,
159  .vtiming = &smdkc100_lcd_timing,
162  .setup_gpio = s5pc100_fb_gpio_setup_24bpp,
163 };
164 
165 static struct s3c_ide_platdata smdkc100_ide_pdata __initdata = {
167 };
168 
169 static uint32_t smdkc100_keymap[] __initdata = {
170  /* KEY(row, col, keycode) */
171  KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
172  KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
173  KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
174  KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
175 };
176 
177 static struct matrix_keymap_data smdkc100_keymap_data __initdata = {
178  .keymap = smdkc100_keymap,
179  .keymap_size = ARRAY_SIZE(smdkc100_keymap),
180 };
181 
182 static struct samsung_keypad_platdata smdkc100_keypad_data __initdata = {
183  .keymap_data = &smdkc100_keymap_data,
184  .rows = 2,
185  .cols = 8,
186 };
187 
188 static struct platform_device *smdkc100_devices[] __initdata = {
193  &s3c_device_fb,
197  &s3c_device_ts,
199  &smdkc100_lcd_powerdev,
209 };
210 
211 /* LCD Backlight data */
212 static struct samsung_bl_gpio_info smdkc100_bl_gpio_info = {
213  .no = S5PC100_GPD(0),
214  .func = S3C_GPIO_SFN(2),
215 };
216 
217 static struct platform_pwm_backlight_data smdkc100_bl_data = {
218  .pwm_id = 0,
219 };
220 
221 static void __init smdkc100_map_io(void)
222 {
223  s5pc100_init_io(NULL, 0);
224  s3c24xx_init_clocks(12000000);
225  s3c24xx_init_uarts(smdkc100_uartcfgs, ARRAY_SIZE(smdkc100_uartcfgs));
226 }
227 
228 static void __init smdkc100_machine_init(void)
229 {
231 
232  /* I2C */
235  i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
236  i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
237 
238  s3c_fb_set_platdata(&smdkc100_lcd_pdata);
239  s3c_ide_set_platdata(&smdkc100_ide_pdata);
240 
241  samsung_keypad_set_platdata(&smdkc100_keypad_data);
242 
244 
245  /* LCD init */
246  gpio_request(S5PC100_GPH0(6), "GPH0");
247  smdkc100_lcd_power_set(&smdkc100_lcd_power_data, 0);
248 
249  samsung_bl_set(&smdkc100_bl_gpio_info, &smdkc100_bl_data);
250 
251  platform_add_devices(smdkc100_devices, ARRAY_SIZE(smdkc100_devices));
252 }
253 
254 MACHINE_START(SMDKC100, "SMDKC100")
255  /* Maintainer: Byungho Min <[email protected]> */
256  .atag_offset = 0x100,
257  .init_irq = s5pc100_init_irq,
258  .handle_irq = vic_handle_irq,
259  .map_io = smdkc100_map_io,
260  .init_machine = smdkc100_machine_init,
261  .timer = &s3c24xx_timer,
262  .restart = s5pc100_restart,