summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-s5p64x0/mach-smdk6450.c
blob: ca10963a959efdb3bf7ea9737e0fad5f79ca108a (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
290
291
292
293
294
295
296
297
/* linux/arch/arm/mach-s5p64x0/mach-smdk6450.c
 *
 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
 *		http://www.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/delay.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/pwm_backlight.h>
#include <linux/fb.h>
#include <linux/mmc/host.h>

#include <video/platform_lcd.h>
#include <video/samsung_fimd.h>

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

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

#include <plat/regs-serial.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/pll.h>
#include <plat/adc.h>
#include <linux/platform_data/touchscreen-s3c2410.h>
#include <plat/s5p-time.h>
#include <plat/backlight.h>
#include <plat/fb.h>
#include <plat/sdhci.h>

#include "common.h"
#include "i2c.h"

#define SMDK6450_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
				S3C2410_UCON_RXILEVEL |		\
				S3C2410_UCON_TXIRQMODE |	\
				S3C2410_UCON_RXIRQMODE |	\
				S3C2410_UCON_RXFIFO_TOI |	\
				S3C2443_UCON_RXERR_IRQEN)

#define SMDK6450_ULCON_DEFAULT	S3C2410_LCON_CS8

#define SMDK6450_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
				S3C2440_UFCON_TXTRIG16 |	\
				S3C2410_UFCON_RXTRIG8)

static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = {
	[0] = {
		.hwport		= 0,
		.flags		= 0,
		.ucon		= SMDK6450_UCON_DEFAULT,
		.ulcon		= SMDK6450_ULCON_DEFAULT,
		.ufcon		= SMDK6450_UFCON_DEFAULT,
	},
	[1] = {
		.hwport		= 1,
		.flags		= 0,
		.ucon		= SMDK6450_UCON_DEFAULT,
		.ulcon		= SMDK6450_ULCON_DEFAULT,
		.ufcon		= SMDK6450_UFCON_DEFAULT,
	},
	[2] = {
		.hwport		= 2,
		.flags		= 0,
		.ucon		= SMDK6450_UCON_DEFAULT,
		.ulcon		= SMDK6450_ULCON_DEFAULT,
		.ufcon		= SMDK6450_UFCON_DEFAULT,
	},
	[3] = {
		.hwport		= 3,
		.flags		= 0,
		.ucon		= SMDK6450_UCON_DEFAULT,
		.ulcon		= SMDK6450_ULCON_DEFAULT,
		.ufcon		= SMDK6450_UFCON_DEFAULT,
	},
#if CONFIG_SERIAL_SAMSUNG_UARTS > 4
	[4] = {
		.hwport		= 4,
		.flags		= 0,
		.ucon		= SMDK6450_UCON_DEFAULT,
		.ulcon		= SMDK6450_ULCON_DEFAULT,
		.ufcon		= SMDK6450_UFCON_DEFAULT,
	},
#endif
#if CONFIG_SERIAL_SAMSUNG_UARTS > 5
	[5] = {
		.hwport		= 5,
		.flags		= 0,
		.ucon		= SMDK6450_UCON_DEFAULT,
		.ulcon		= SMDK6450_ULCON_DEFAULT,
		.ufcon		= SMDK6450_UFCON_DEFAULT,
	},
#endif
};

/* Frame Buffer */
static struct s3c_fb_pd_win smdk6450_fb_win0 = {
	.max_bpp	= 32,
	.default_bpp	= 24,
	.xres		= 800,
	.yres		= 480,
};

static struct fb_videomode smdk6450_lcd_timing = {
	.left_margin	= 8,
	.right_margin	= 13,
	.upper_margin	= 7,
	.lower_margin	= 5,
	.hsync_len	= 3,
	.vsync_len	= 1,
	.xres		= 800,
	.yres		= 480,
};

static struct s3c_fb_platdata smdk6450_lcd_pdata __initdata = {
	.win[0]		= &smdk6450_fb_win0,
	.vtiming	= &smdk6450_lcd_timing,
	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
	.setup_gpio	= s5p64x0_fb_gpio_setup_24bpp,
};

/* LCD power controller */
static void smdk6450_lte480_reset_power(struct plat_lcd_data *pd,
					 unsigned int power)
{
	int err;

	if (power) {
		err = gpio_request(S5P6450_GPN(5), "GPN");
		if (err) {
			printk(KERN_ERR "failed to request GPN for lcd reset\n");
			return;
		}

		gpio_direction_output(S5P6450_GPN(5), 1);
		gpio_set_value(S5P6450_GPN(5), 0);
		gpio_set_value(S5P6450_GPN(5), 1);
		gpio_free(S5P6450_GPN(5));
	}
}

static struct plat_lcd_data smdk6450_lcd_power_data = {
	.set_power	= smdk6450_lte480_reset_power,
};

static struct platform_device smdk6450_lcd_lte480wv = {
	.name			= "platform-lcd",
	.dev.parent		= &s3c_device_fb.dev,
	.dev.platform_data	= &smdk6450_lcd_power_data,
};

static struct platform_device *smdk6450_devices[] __initdata = {
	&s3c_device_adc,
	&s3c_device_rtc,
	&s3c_device_i2c0,
	&s3c_device_i2c1,
	&s3c_device_ts,
	&s3c_device_wdt,
	&s5p6450_device_iis0,
	&s3c_device_fb,
	&smdk6450_lcd_lte480wv,
	&s3c_device_hsmmc0,
	&s3c_device_hsmmc1,
	&s3c_device_hsmmc2,
	/* s5p6450_device_spi0 will be added */
};

static struct s3c_sdhci_platdata smdk6450_hsmmc0_pdata __initdata = {
	.cd_type	= S3C_SDHCI_CD_NONE,
};

static struct s3c_sdhci_platdata smdk6450_hsmmc1_pdata __initdata = {
	.cd_type	= S3C_SDHCI_CD_NONE,
#if defined(CONFIG_S5P64X0_SD_CH1_8BIT)
	.max_width	= 8,
	.host_caps	= MMC_CAP_8_BIT_DATA,
#endif
};

static struct s3c_sdhci_platdata smdk6450_hsmmc2_pdata __initdata = {
	.cd_type	= S3C_SDHCI_CD_NONE,
};

static struct s3c2410_platform_i2c s5p6450_i2c0_data __initdata = {
	.flags		= 0,
	.slave_addr	= 0x10,
	.frequency	= 100*1000,
	.sda_delay	= 100,
	.cfg_gpio	= s5p6450_i2c0_cfg_gpio,
};

static struct s3c2410_platform_i2c s5p6450_i2c1_data __initdata = {
	.flags		= 0,
	.bus_num	= 1,
	.slave_addr	= 0x10,
	.frequency	= 100*1000,
	.sda_delay	= 100,
	.cfg_gpio	= s5p6450_i2c1_cfg_gpio,
};

static struct i2c_board_info smdk6450_i2c_devs0[] __initdata = {
	{ I2C_BOARD_INFO("wm8580", 0x1b), },
	{ I2C_BOARD_INFO("24c08", 0x50), },	/* Samsung KS24C080C EEPROM */
};

static struct i2c_board_info smdk6450_i2c_devs1[] __initdata = {
	{ I2C_BOARD_INFO("24c128", 0x57), },/* Samsung S524AD0XD1 EEPROM */
};

/* LCD Backlight data */
static struct samsung_bl_gpio_info smdk6450_bl_gpio_info = {
	.no = S5P6450_GPF(15),
	.func = S3C_GPIO_SFN(2),
};

static struct platform_pwm_backlight_data smdk6450_bl_data = {
	.pwm_id = 1,
};

static void __init smdk6450_map_io(void)
{
	s5p64x0_init_io(NULL, 0);
	s3c24xx_init_clocks(19200000);
	s3c24xx_init_uarts(smdk6450_uartcfgs, ARRAY_SIZE(smdk6450_uartcfgs));
	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
}

static void s5p6450_set_lcd_interface(void)
{
	unsigned int cfg;

	/* select TFT LCD type (RGB I/F) */
	cfg = __raw_readl(S5P64X0_SPCON0);
	cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
	cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
	__raw_writel(cfg, S5P64X0_SPCON0);
}

static void __init smdk6450_machine_init(void)
{
	s3c24xx_ts_set_platdata(NULL);

	s3c_i2c0_set_platdata(&s5p6450_i2c0_data);
	s3c_i2c1_set_platdata(&s5p6450_i2c1_data);
	i2c_register_board_info(0, smdk6450_i2c_devs0,
			ARRAY_SIZE(smdk6450_i2c_devs0));
	i2c_register_board_info(1, smdk6450_i2c_devs1,
			ARRAY_SIZE(smdk6450_i2c_devs1));

	samsung_bl_set(&smdk6450_bl_gpio_info, &smdk6450_bl_data);

	s5p6450_set_lcd_interface();
	s3c_fb_set_platdata(&smdk6450_lcd_pdata);

	s3c_sdhci0_set_platdata(&smdk6450_hsmmc0_pdata);
	s3c_sdhci1_set_platdata(&smdk6450_hsmmc1_pdata);
	s3c_sdhci2_set_platdata(&smdk6450_hsmmc2_pdata);

	platform_add_devices(smdk6450_devices, ARRAY_SIZE(smdk6450_devices));
}

MACHINE_START(SMDK6450, "SMDK6450")
	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
	.atag_offset	= 0x100,

	.init_irq	= s5p6450_init_irq,
	.map_io		= smdk6450_map_io,
	.init_machine	= smdk6450_machine_init,
	.init_time	= s5p_timer_init,
	.restart	= s5p64x0_restart,
MACHINE_END