aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-s5pc100/mach-smdkc100.c
blob: 0525cb3ef406cfd40b104fe32a5be2bc54930df3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
/* linux/arch/arm/mach-s5pc100/mach-smdkc100.c
 *
 * Copyright 2009 Samsung Electronics Co.
 * Author: Byungho Min <bhmin@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
*/

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/fb.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/pwm_backlight.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <mach/map.h>
#include <mach/regs-fb.h>
#include <mach/regs-gpio.h>

#include <video/platform_lcd.h>

#include <asm/irq.h>
#include <asm/mach-types.h>

#include <plat/regs-serial.h>
#include <plat/gpio-cfg.h>

#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/s5pc100.h>
#include <plat/fb.h>
#include <plat/iic.h>
#include <plat/ata.h>
#include <plat/adc.h>
#include <plat/keypad.h>
#include <plat/ts.h>
#include <plat/audio.h>

/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDKC100_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
				 S3C2410_UCON_RXILEVEL |	\
				 S3C2410_UCON_TXIRQMODE |	\
				 S3C2410_UCON_RXIRQMODE |	\
				 S3C2410_UCON_RXFIFO_TOI |	\
				 S3C2443_UCON_RXERR_IRQEN)

#define SMDKC100_ULCON_DEFAULT	S3C2410_LCON_CS8

#define SMDKC100_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
				 S3C2440_UFCON_RXTRIG8 |	\
				 S3C2440_UFCON_TXTRIG16)

static struct s3c2410_uartcfg smdkc100_uartcfgs[] __initdata = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = SMDKC100_UCON_DEFAULT,
		.ulcon	     = SMDKC100_ULCON_DEFAULT,
		.ufcon	     = SMDKC100_UFCON_DEFAULT,
	},
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.ucon	     = SMDKC100_UCON_DEFAULT,
		.ulcon	     = SMDKC100_ULCON_DEFAULT,
		.ufcon	     = SMDKC100_UFCON_DEFAULT,
	},
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.ucon	     = SMDKC100_UCON_DEFAULT,
		.ulcon	     = SMDKC100_ULCON_DEFAULT,
		.ufcon	     = SMDKC100_UFCON_DEFAULT,
	},
	[3] = {
		.hwport	     = 3,
		.flags	     = 0,
		.ucon	     = SMDKC100_UCON_DEFAULT,
		.ulcon	     = SMDKC100_ULCON_DEFAULT,
		.ufcon	     = SMDKC100_UFCON_DEFAULT,
	},
};

/* I2C0 */
static struct i2c_board_info i2c_devs0[] __initdata = {
	{I2C_BOARD_INFO("wm8580", 0x1b),},
};

/* I2C1 */
static struct i2c_board_info i2c_devs1[] __initdata = {
};

/* LCD power controller */
static void smdkc100_lcd_power_set(struct plat_lcd_data *pd,
				   unsigned int power)
{
	if (power) {
		/* module reset */
		gpio_direction_output(S5PC100_GPH0(6), 1);
		mdelay(100);
		gpio_direction_output(S5PC100_GPH0(6), 0);
		mdelay(10);
		gpio_direction_output(S5PC100_GPH0(6), 1);
		mdelay(10);
	}
}

static struct plat_lcd_data smdkc100_lcd_power_data = {
	.set_power	= smdkc100_lcd_power_set,
};

static struct platform_device smdkc100_lcd_powerdev = {
	.name			= "platform-lcd",
	.dev.parent		= &s3c_device_fb.dev,
	.dev.platform_data	= &smdkc100_lcd_power_data,
};

/* Frame Buffer */
static struct s3c_fb_pd_win smdkc100_fb_win0 = {
	/* this is to ensure we use win0 */
	.win_mode	= {
		.left_margin	= 8,
		.right_margin	= 13,
		.upper_margin	= 7,
		.lower_margin	= 5,
		.hsync_len	= 3,
		.vsync_len	= 1,
		.xres		= 800,
		.yres		= 480,
		.refresh	= 80,
	},
	.max_bpp	= 32,
	.default_bpp	= 16,
};

static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = {
	.win[0]		= &smdkc100_fb_win0,
	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
	.setup_gpio	= s5pc100_fb_gpio_setup_24bpp,
};

static struct s3c_ide_platdata smdkc100_ide_pdata __initdata = {
	.setup_gpio	= s5pc100_ide_setup_gpio,
};

static uint32_t smdkc100_keymap[] __initdata = {
	/* KEY(row, col, keycode) */
	KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
	KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
	KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
	KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
};

static struct matrix_keymap_data smdkc100_keymap_data __initdata = {
	.keymap		= smdkc100_keymap,
	.keymap_size	= ARRAY_SIZE(smdkc100_keymap),
};

static struct samsung_keypad_platdata smdkc100_keypad_data __initdata = {
	.keymap_data	= &smdkc100_keymap_data,
	.rows		= 2,
	.cols		= 8,
};

static int smdkc100_backlight_init(struct device *dev)
{
	int ret;

	ret = gpio_request(S5PC100_GPD(0), "Backlight");
	if (ret) {
		printk(KERN_ERR "failed to request GPF for PWM-OUT0\n");
		return ret;
	}

	/* Configure GPIO pin with S5PC100_GPD_TOUT_0 */
	s3c_gpio_cfgpin(S5PC100_GPD(0), S3C_GPIO_SFN(2));

	return 0;
}

static void smdkc100_backlight_exit(struct device *dev)
{
	s3c_gpio_cfgpin(S5PC100_GPD(0), S3C_GPIO_OUTPUT);
	gpio_free(S5PC100_GPD(0));
}

static struct platform_pwm_backlight_data smdkc100_backlight_data = {
	.pwm_id		= 0,
	.max_brightness	= 255,
	.dft_brightness	= 255,
	.pwm_period_ns	= 78770,
	.init		= smdkc100_backlight_init,
	.exit		= smdkc100_backlight_exit,
};

static struct platform_device smdkc100_backlight_device = {
	.name		= "pwm-backlight",
	.dev		= {
		.parent		= &s3c_device_timer[0].dev,
		.platform_data	= &smdkc100_backlight_data,
	},
};

static struct platform_device *smdkc100_devices[] __initdata = {
	&s3c_device_adc,
	&s3c_device_cfcon,
	&s3c_device_i2c0,
	&s3c_device_i2c1,
	&s3c_device_fb,
	&s3c_device_hsmmc0,
	&s3c_device_hsmmc1,
	&s3c_device_hsmmc2,
	&s3c_device_ts,
	&s3c_device_wdt,
	&smdkc100_lcd_powerdev,
	&samsung_asoc_dma,
	&s5pc100_device_iis0,
	&samsung_device_keypad,
	&s5pc100_device_ac97,
	&s3c_device_rtc,
	&s5p_device_fimc0,
	&s5p_device_fimc1,
	&s5p_device_fimc2,
	&s5pc100_device_spdif,
	&s3c_device_timer[0],
	&smdkc100_backlight_device,
};

static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
	.delay			= 10000,
	.presc			= 49,
	.oversampling_shift	= 2,
};

static void __init smdkc100_map_io(void)
{
	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
	s3c24xx_init_clocks(12000000);
	s3c24xx_init_uarts(smdkc100_uartcfgs, ARRAY_SIZE(smdkc100_uartcfgs));
}

static void __init smdkc100_machine_init(void)
{
	s3c24xx_ts_set_platdata(&s3c_ts_platform);

	/* I2C */
	s3c_i2c0_set_platdata(NULL);
	s3c_i2c1_set_platdata(NULL);
	i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
	i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));

	s3c_fb_set_platdata(&smdkc100_lcd_pdata);
	s3c_ide_set_platdata(&smdkc100_ide_pdata);

	samsung_keypad_set_platdata(&smdkc100_keypad_data);

	s5pc100_spdif_setup_gpio(S5PC100_SPDIF_GPD);

	/* LCD init */
	gpio_request(S5PC100_GPH0(6), "GPH0");
	smdkc100_lcd_power_set(&smdkc100_lcd_power_data, 0);
	platform_add_devices(smdkc100_devices, ARRAY_SIZE(smdkc100_devices));
}

MACHINE_START(SMDKC100, "SMDKC100")
	/* Maintainer: Byungho Min <bhmin@samsung.com> */
	.boot_params	= S5P_PA_SDRAM + 0x100,
	.init_irq	= s5pc100_init_irq,
	.map_io		= smdkc100_map_io,
	.init_machine	= smdkc100_machine_init,
	.timer		= &s3c24xx_timer,
MACHINE_END