summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-exynos/mach-smdk4x12.c
blob: fb09c70e195af8a61e3399fb0db0926222905a66 (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
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
/*
 * linux/arch/arm/mach-exynos4/mach-smdk4x12.c
 *
 * Copyright (c) 2011 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/gpio.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/mfd/max8997.h>
#include <linux/mmc/host.h>
#include <linux/platform_device.h>
#include <linux/pwm_backlight.h>
#include <linux/regulator/machine.h>
#include <linux/serial_core.h>

#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
#include <asm/mach-types.h>

#include <plat/backlight.h>
#include <plat/clock.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/gpio-cfg.h>
#include <plat/iic.h>
#include <plat/keypad.h>
#include <plat/mfc.h>
#include <plat/regs-serial.h>
#include <plat/sdhci.h>

#include <mach/map.h>

#include "common.h"

/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDK4X12_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
				 S3C2410_UCON_RXILEVEL |	\
				 S3C2410_UCON_TXIRQMODE |	\
				 S3C2410_UCON_RXIRQMODE |	\
				 S3C2410_UCON_RXFIFO_TOI |	\
				 S3C2443_UCON_RXERR_IRQEN)

#define SMDK4X12_ULCON_DEFAULT	S3C2410_LCON_CS8

#define SMDK4X12_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
				 S5PV210_UFCON_TXTRIG4 |	\
				 S5PV210_UFCON_RXTRIG4)

static struct s3c2410_uartcfg smdk4x12_uartcfgs[] __initdata = {
	[0] = {
		.hwport		= 0,
		.flags		= 0,
		.ucon		= SMDK4X12_UCON_DEFAULT,
		.ulcon		= SMDK4X12_ULCON_DEFAULT,
		.ufcon		= SMDK4X12_UFCON_DEFAULT,
	},
	[1] = {
		.hwport		= 1,
		.flags		= 0,
		.ucon		= SMDK4X12_UCON_DEFAULT,
		.ulcon		= SMDK4X12_ULCON_DEFAULT,
		.ufcon		= SMDK4X12_UFCON_DEFAULT,
	},
	[2] = {
		.hwport		= 2,
		.flags		= 0,
		.ucon		= SMDK4X12_UCON_DEFAULT,
		.ulcon		= SMDK4X12_ULCON_DEFAULT,
		.ufcon		= SMDK4X12_UFCON_DEFAULT,
	},
	[3] = {
		.hwport		= 3,
		.flags		= 0,
		.ucon		= SMDK4X12_UCON_DEFAULT,
		.ulcon		= SMDK4X12_ULCON_DEFAULT,
		.ufcon		= SMDK4X12_UFCON_DEFAULT,
	},
};

static struct s3c_sdhci_platdata smdk4x12_hsmmc2_pdata __initdata = {
	.cd_type		= S3C_SDHCI_CD_INTERNAL,
#ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
	.max_width		= 8,
	.host_caps		= MMC_CAP_8_BIT_DATA,
#endif
};

static struct s3c_sdhci_platdata smdk4x12_hsmmc3_pdata __initdata = {
	.cd_type		= S3C_SDHCI_CD_INTERNAL,
};

static struct regulator_consumer_supply max8997_buck1 =
	REGULATOR_SUPPLY("vdd_arm", NULL);

static struct regulator_consumer_supply max8997_buck2 =
	REGULATOR_SUPPLY("vdd_int", NULL);

static struct regulator_consumer_supply max8997_buck3 =
	REGULATOR_SUPPLY("vdd_g3d", NULL);

static struct regulator_init_data max8997_buck1_data = {
	.constraints	= {
		.name		= "VDD_ARM_SMDK4X12",
		.min_uV		= 925000,
		.max_uV		= 1350000,
		.always_on	= 1,
		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
		.state_mem	= {
			.disabled	= 1,
		},
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= &max8997_buck1,
};

static struct regulator_init_data max8997_buck2_data = {
	.constraints	= {
		.name		= "VDD_INT_SMDK4X12",
		.min_uV		= 950000,
		.max_uV		= 1150000,
		.always_on	= 1,
		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
		.state_mem	= {
			.disabled	= 1,
		},
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= &max8997_buck2,
};

static struct regulator_init_data max8997_buck3_data = {
	.constraints	= {
		.name		= "VDD_G3D_SMDK4X12",
		.min_uV		= 950000,
		.max_uV		= 1150000,
		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE |
				  REGULATOR_CHANGE_STATUS,
		.state_mem	= {
			.disabled	= 1,
		},
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= &max8997_buck3,
};

static struct max8997_regulator_data smdk4x12_max8997_regulators[] = {
	{ MAX8997_BUCK1, &max8997_buck1_data },
	{ MAX8997_BUCK2, &max8997_buck2_data },
	{ MAX8997_BUCK3, &max8997_buck3_data },
};

static struct max8997_platform_data smdk4x12_max8997_pdata = {
	.num_regulators	= ARRAY_SIZE(smdk4x12_max8997_regulators),
	.regulators	= smdk4x12_max8997_regulators,

	.buck1_voltage[0] = 1100000,	/* 1.1V */
	.buck1_voltage[1] = 1100000,	/* 1.1V */
	.buck1_voltage[2] = 1100000,	/* 1.1V */
	.buck1_voltage[3] = 1100000,	/* 1.1V */
	.buck1_voltage[4] = 1100000,	/* 1.1V */
	.buck1_voltage[5] = 1100000,	/* 1.1V */
	.buck1_voltage[6] = 1000000,	/* 1.0V */
	.buck1_voltage[7] = 950000,	/* 0.95V */

	.buck2_voltage[0] = 1100000,	/* 1.1V */
	.buck2_voltage[1] = 1000000,	/* 1.0V */
	.buck2_voltage[2] = 950000,	/* 0.95V */
	.buck2_voltage[3] = 900000,	/* 0.9V */
	.buck2_voltage[4] = 1100000,	/* 1.1V */
	.buck2_voltage[5] = 1000000,	/* 1.0V */
	.buck2_voltage[6] = 950000,	/* 0.95V */
	.buck2_voltage[7] = 900000,	/* 0.9V */

	.buck5_voltage[0] = 1100000,	/* 1.1V */
	.buck5_voltage[1] = 1100000,	/* 1.1V */
	.buck5_voltage[2] = 1100000,	/* 1.1V */
	.buck5_voltage[3] = 1100000,	/* 1.1V */
	.buck5_voltage[4] = 1100000,	/* 1.1V */
	.buck5_voltage[5] = 1100000,	/* 1.1V */
	.buck5_voltage[6] = 1100000,	/* 1.1V */
	.buck5_voltage[7] = 1100000,	/* 1.1V */
};

static struct i2c_board_info smdk4x12_i2c_devs0[] __initdata = {
	{
		I2C_BOARD_INFO("max8997", 0x66),
		.platform_data	= &smdk4x12_max8997_pdata,
	}
};

static struct i2c_board_info smdk4x12_i2c_devs1[] __initdata = {
	{ I2C_BOARD_INFO("wm8994", 0x1a), }
};

static struct i2c_board_info smdk4x12_i2c_devs3[] __initdata = {
	/* nothing here yet */
};

static struct i2c_board_info smdk4x12_i2c_devs7[] __initdata = {
	/* nothing here yet */
};

static struct samsung_bl_gpio_info smdk4x12_bl_gpio_info = {
	.no = EXYNOS4_GPD0(1),
	.func = S3C_GPIO_SFN(2),
};

static struct platform_pwm_backlight_data smdk4x12_bl_data = {
	.pwm_id = 1,
	.pwm_period_ns  = 1000,
};

static uint32_t smdk4x12_keymap[] __initdata = {
	/* KEY(row, col, keycode) */
	KEY(1, 0, KEY_D), KEY(1, 1, KEY_A), KEY(1, 2, KEY_B),
	KEY(1, 3, KEY_E), KEY(1, 4, KEY_C)
};

static struct matrix_keymap_data smdk4x12_keymap_data __initdata = {
	.keymap		= smdk4x12_keymap,
	.keymap_size	= ARRAY_SIZE(smdk4x12_keymap),
};

static struct samsung_keypad_platdata smdk4x12_keypad_data __initdata = {
	.keymap_data	= &smdk4x12_keymap_data,
	.rows		= 2,
	.cols		= 5,
};

static struct platform_device *smdk4x12_devices[] __initdata = {
	&s3c_device_hsmmc2,
	&s3c_device_hsmmc3,
	&s3c_device_i2c0,
	&s3c_device_i2c1,
	&s3c_device_i2c3,
	&s3c_device_i2c7,
	&s3c_device_rtc,
	&s3c_device_wdt,
	&s5p_device_fimc0,
	&s5p_device_fimc1,
	&s5p_device_fimc2,
	&s5p_device_fimc3,
	&s5p_device_fimc_md,
	&s5p_device_mfc,
	&s5p_device_mfc_l,
	&s5p_device_mfc_r,
	&samsung_device_keypad,
};

static void __init smdk4x12_map_io(void)
{
	clk_xusbxti.rate = 24000000;

	exynos_init_io(NULL, 0);
	s3c24xx_init_clocks(clk_xusbxti.rate);
	s3c24xx_init_uarts(smdk4x12_uartcfgs, ARRAY_SIZE(smdk4x12_uartcfgs));
}

static void __init smdk4x12_reserve(void)
{
	s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
}

static void __init smdk4x12_machine_init(void)
{
	s3c_i2c0_set_platdata(NULL);
	i2c_register_board_info(0, smdk4x12_i2c_devs0,
				ARRAY_SIZE(smdk4x12_i2c_devs0));

	s3c_i2c1_set_platdata(NULL);
	i2c_register_board_info(1, smdk4x12_i2c_devs1,
				ARRAY_SIZE(smdk4x12_i2c_devs1));

	s3c_i2c3_set_platdata(NULL);
	i2c_register_board_info(3, smdk4x12_i2c_devs3,
				ARRAY_SIZE(smdk4x12_i2c_devs3));

	s3c_i2c7_set_platdata(NULL);
	i2c_register_board_info(7, smdk4x12_i2c_devs7,
				ARRAY_SIZE(smdk4x12_i2c_devs7));

	samsung_bl_set(&smdk4x12_bl_gpio_info, &smdk4x12_bl_data);

	samsung_keypad_set_platdata(&smdk4x12_keypad_data);

	s3c_sdhci2_set_platdata(&smdk4x12_hsmmc2_pdata);
	s3c_sdhci3_set_platdata(&smdk4x12_hsmmc3_pdata);

	platform_add_devices(smdk4x12_devices, ARRAY_SIZE(smdk4x12_devices));
}

MACHINE_START(SMDK4212, "SMDK4212")
	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
	.atag_offset	= 0x100,
	.init_irq	= exynos4_init_irq,
	.map_io		= smdk4x12_map_io,
	.handle_irq	= gic_handle_irq,
	.init_machine	= smdk4x12_machine_init,
	.timer		= &exynos4_timer,
	.restart	= exynos4_restart,
	.reserve	= &smdk4x12_reserve,
MACHINE_END

MACHINE_START(SMDK4412, "SMDK4412")
	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
	/* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
	.atag_offset	= 0x100,
	.init_irq	= exynos4_init_irq,
	.map_io		= smdk4x12_map_io,
	.handle_irq	= gic_handle_irq,
	.init_machine	= smdk4x12_machine_init,
	.init_late	= exynos_init_late,
	.timer		= &exynos4_timer,
	.restart	= exynos4_restart,
	.reserve	= &smdk4x12_reserve,
MACHINE_END