Merge commit 'v2.6.39' into 20110526
[linux-2.6.git] / arch / arm / mach-s5pc100 / mach-smdkc100.c
1 /* linux/arch/arm/mach-s5pc100/mach-smdkc100.c
2  *
3  * Copyright 2009 Samsung Electronics Co.
4  * Author: Byungho Min <bhmin@samsung.com>
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/mach/arch.h>
29 #include <asm/mach/map.h>
30
31 #include <mach/map.h>
32 #include <mach/regs-fb.h>
33 #include <mach/regs-gpio.h>
34
35 #include <video/platform_lcd.h>
36
37 #include <asm/irq.h>
38 #include <asm/mach-types.h>
39
40 #include <plat/regs-serial.h>
41 #include <plat/gpio-cfg.h>
42
43 #include <plat/clock.h>
44 #include <plat/devs.h>
45 #include <plat/cpu.h>
46 #include <plat/s5pc100.h>
47 #include <plat/fb.h>
48 #include <plat/iic.h>
49 #include <plat/ata.h>
50 #include <plat/adc.h>
51 #include <plat/keypad.h>
52 #include <plat/ts.h>
53 #include <plat/audio.h>
54
55 /* Following are default values for UCON, ULCON and UFCON UART registers */
56 #define SMDKC100_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
57                                  S3C2410_UCON_RXILEVEL |        \
58                                  S3C2410_UCON_TXIRQMODE |       \
59                                  S3C2410_UCON_RXIRQMODE |       \
60                                  S3C2410_UCON_RXFIFO_TOI |      \
61                                  S3C2443_UCON_RXERR_IRQEN)
62
63 #define SMDKC100_ULCON_DEFAULT  S3C2410_LCON_CS8
64
65 #define SMDKC100_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
66                                  S3C2440_UFCON_RXTRIG8 |        \
67                                  S3C2440_UFCON_TXTRIG16)
68
69 static struct s3c2410_uartcfg smdkc100_uartcfgs[] __initdata = {
70         [0] = {
71                 .hwport      = 0,
72                 .flags       = 0,
73                 .ucon        = SMDKC100_UCON_DEFAULT,
74                 .ulcon       = SMDKC100_ULCON_DEFAULT,
75                 .ufcon       = SMDKC100_UFCON_DEFAULT,
76         },
77         [1] = {
78                 .hwport      = 1,
79                 .flags       = 0,
80                 .ucon        = SMDKC100_UCON_DEFAULT,
81                 .ulcon       = SMDKC100_ULCON_DEFAULT,
82                 .ufcon       = SMDKC100_UFCON_DEFAULT,
83         },
84         [2] = {
85                 .hwport      = 2,
86                 .flags       = 0,
87                 .ucon        = SMDKC100_UCON_DEFAULT,
88                 .ulcon       = SMDKC100_ULCON_DEFAULT,
89                 .ufcon       = SMDKC100_UFCON_DEFAULT,
90         },
91         [3] = {
92                 .hwport      = 3,
93                 .flags       = 0,
94                 .ucon        = SMDKC100_UCON_DEFAULT,
95                 .ulcon       = SMDKC100_ULCON_DEFAULT,
96                 .ufcon       = SMDKC100_UFCON_DEFAULT,
97         },
98 };
99
100 /* I2C0 */
101 static struct i2c_board_info i2c_devs0[] __initdata = {
102         {I2C_BOARD_INFO("wm8580", 0x1b),},
103 };
104
105 /* I2C1 */
106 static struct i2c_board_info i2c_devs1[] __initdata = {
107 };
108
109 /* LCD power controller */
110 static void smdkc100_lcd_power_set(struct plat_lcd_data *pd,
111                                    unsigned int power)
112 {
113         if (power) {
114                 /* module reset */
115                 gpio_direction_output(S5PC100_GPH0(6), 1);
116                 mdelay(100);
117                 gpio_direction_output(S5PC100_GPH0(6), 0);
118                 mdelay(10);
119                 gpio_direction_output(S5PC100_GPH0(6), 1);
120                 mdelay(10);
121         }
122 }
123
124 static struct plat_lcd_data smdkc100_lcd_power_data = {
125         .set_power      = smdkc100_lcd_power_set,
126 };
127
128 static struct platform_device smdkc100_lcd_powerdev = {
129         .name                   = "platform-lcd",
130         .dev.parent             = &s3c_device_fb.dev,
131         .dev.platform_data      = &smdkc100_lcd_power_data,
132 };
133
134 /* Frame Buffer */
135 static struct s3c_fb_pd_win smdkc100_fb_win0 = {
136         /* this is to ensure we use win0 */
137         .win_mode       = {
138                 .left_margin    = 8,
139                 .right_margin   = 13,
140                 .upper_margin   = 7,
141                 .lower_margin   = 5,
142                 .hsync_len      = 3,
143                 .vsync_len      = 1,
144                 .xres           = 800,
145                 .yres           = 480,
146                 .refresh        = 80,
147         },
148         .max_bpp        = 32,
149         .default_bpp    = 16,
150 };
151
152 static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = {
153         .win[0]         = &smdkc100_fb_win0,
154         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
155         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
156         .setup_gpio     = s5pc100_fb_gpio_setup_24bpp,
157 };
158
159 static struct s3c_ide_platdata smdkc100_ide_pdata __initdata = {
160         .setup_gpio     = s5pc100_ide_setup_gpio,
161 };
162
163 static uint32_t smdkc100_keymap[] __initdata = {
164         /* KEY(row, col, keycode) */
165         KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
166         KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
167         KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
168         KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
169 };
170
171 static struct matrix_keymap_data smdkc100_keymap_data __initdata = {
172         .keymap         = smdkc100_keymap,
173         .keymap_size    = ARRAY_SIZE(smdkc100_keymap),
174 };
175
176 static struct samsung_keypad_platdata smdkc100_keypad_data __initdata = {
177         .keymap_data    = &smdkc100_keymap_data,
178         .rows           = 2,
179         .cols           = 8,
180 };
181
182 static int smdkc100_backlight_init(struct device *dev)
183 {
184         int ret;
185
186         ret = gpio_request(S5PC100_GPD(0), "Backlight");
187         if (ret) {
188                 printk(KERN_ERR "failed to request GPF for PWM-OUT0\n");
189                 return ret;
190         }
191
192         /* Configure GPIO pin with S5PC100_GPD_TOUT_0 */
193         s3c_gpio_cfgpin(S5PC100_GPD(0), S3C_GPIO_SFN(2));
194
195         return 0;
196 }
197
198 static void smdkc100_backlight_exit(struct device *dev)
199 {
200         s3c_gpio_cfgpin(S5PC100_GPD(0), S3C_GPIO_OUTPUT);
201         gpio_free(S5PC100_GPD(0));
202 }
203
204 static struct platform_pwm_backlight_data smdkc100_backlight_data = {
205         .pwm_id         = 0,
206         .max_brightness = 255,
207         .dft_brightness = 255,
208         .pwm_period_ns  = 78770,
209         .init           = smdkc100_backlight_init,
210         .exit           = smdkc100_backlight_exit,
211 };
212
213 static struct platform_device smdkc100_backlight_device = {
214         .name           = "pwm-backlight",
215         .dev            = {
216                 .parent         = &s3c_device_timer[0].dev,
217                 .platform_data  = &smdkc100_backlight_data,
218         },
219 };
220
221 static struct platform_device *smdkc100_devices[] __initdata = {
222         &s3c_device_adc,
223         &s3c_device_cfcon,
224         &s3c_device_i2c0,
225         &s3c_device_i2c1,
226         &s3c_device_fb,
227         &s3c_device_hsmmc0,
228         &s3c_device_hsmmc1,
229         &s3c_device_hsmmc2,
230         &s3c_device_ts,
231         &s3c_device_wdt,
232         &smdkc100_lcd_powerdev,
233         &samsung_asoc_dma,
234         &s5pc100_device_iis0,
235         &samsung_device_keypad,
236         &s5pc100_device_ac97,
237         &s3c_device_rtc,
238         &s5p_device_fimc0,
239         &s5p_device_fimc1,
240         &s5p_device_fimc2,
241         &s5pc100_device_spdif,
242         &s3c_device_timer[0],
243         &smdkc100_backlight_device,
244 };
245
246 static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
247         .delay                  = 10000,
248         .presc                  = 49,
249         .oversampling_shift     = 2,
250 };
251
252 static void __init smdkc100_map_io(void)
253 {
254         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
255         s3c24xx_init_clocks(12000000);
256         s3c24xx_init_uarts(smdkc100_uartcfgs, ARRAY_SIZE(smdkc100_uartcfgs));
257 }
258
259 static void __init smdkc100_machine_init(void)
260 {
261         s3c24xx_ts_set_platdata(&s3c_ts_platform);
262
263         /* I2C */
264         s3c_i2c0_set_platdata(NULL);
265         s3c_i2c1_set_platdata(NULL);
266         i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
267         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
268
269         s3c_fb_set_platdata(&smdkc100_lcd_pdata);
270         s3c_ide_set_platdata(&smdkc100_ide_pdata);
271
272         samsung_keypad_set_platdata(&smdkc100_keypad_data);
273
274         s5pc100_spdif_setup_gpio(S5PC100_SPDIF_GPD);
275
276         /* LCD init */
277         gpio_request(S5PC100_GPH0(6), "GPH0");
278         smdkc100_lcd_power_set(&smdkc100_lcd_power_data, 0);
279         platform_add_devices(smdkc100_devices, ARRAY_SIZE(smdkc100_devices));
280 }
281
282 MACHINE_START(SMDKC100, "SMDKC100")
283         /* Maintainer: Byungho Min <bhmin@samsung.com> */
284         .boot_params    = S5P_PA_SDRAM + 0x100,
285         .init_irq       = s5pc100_init_irq,
286         .map_io         = smdkc100_map_io,
287         .init_machine   = smdkc100_machine_init,
288         .timer          = &s3c24xx_timer,
289 MACHINE_END