2 * linux/arch/arm/mach-exynos4/mach-smdk4x12.c
4 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/gpio.h>
13 #include <linux/i2c.h>
14 #include <linux/input.h>
16 #include <linux/mfd/max8997.h>
17 #include <linux/mmc/host.h>
18 #include <linux/platform_device.h>
19 #include <linux/pwm_backlight.h>
20 #include <linux/regulator/machine.h>
21 #include <linux/serial_core.h>
23 #include <asm/mach/arch.h>
24 #include <asm/hardware/gic.h>
25 #include <asm/mach-types.h>
27 #include <plat/backlight.h>
28 #include <plat/clock.h>
30 #include <plat/devs.h>
31 #include <plat/gpio-cfg.h>
33 #include <plat/keypad.h>
35 #include <plat/regs-serial.h>
36 #include <plat/sdhci.h>
42 /* Following are default values for UCON, ULCON and UFCON UART registers */
43 #define SMDK4X12_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
44 S3C2410_UCON_RXILEVEL | \
45 S3C2410_UCON_TXIRQMODE | \
46 S3C2410_UCON_RXIRQMODE | \
47 S3C2410_UCON_RXFIFO_TOI | \
48 S3C2443_UCON_RXERR_IRQEN)
50 #define SMDK4X12_ULCON_DEFAULT S3C2410_LCON_CS8
52 #define SMDK4X12_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
53 S5PV210_UFCON_TXTRIG4 | \
54 S5PV210_UFCON_RXTRIG4)
56 static struct s3c2410_uartcfg smdk4x12_uartcfgs
[] __initdata
= {
60 .ucon
= SMDK4X12_UCON_DEFAULT
,
61 .ulcon
= SMDK4X12_ULCON_DEFAULT
,
62 .ufcon
= SMDK4X12_UFCON_DEFAULT
,
67 .ucon
= SMDK4X12_UCON_DEFAULT
,
68 .ulcon
= SMDK4X12_ULCON_DEFAULT
,
69 .ufcon
= SMDK4X12_UFCON_DEFAULT
,
74 .ucon
= SMDK4X12_UCON_DEFAULT
,
75 .ulcon
= SMDK4X12_ULCON_DEFAULT
,
76 .ufcon
= SMDK4X12_UFCON_DEFAULT
,
81 .ucon
= SMDK4X12_UCON_DEFAULT
,
82 .ulcon
= SMDK4X12_ULCON_DEFAULT
,
83 .ufcon
= SMDK4X12_UFCON_DEFAULT
,
87 static struct s3c_sdhci_platdata smdk4x12_hsmmc2_pdata __initdata
= {
88 .cd_type
= S3C_SDHCI_CD_INTERNAL
,
89 #ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
91 .host_caps
= MMC_CAP_8_BIT_DATA
,
95 static struct s3c_sdhci_platdata smdk4x12_hsmmc3_pdata __initdata
= {
96 .cd_type
= S3C_SDHCI_CD_INTERNAL
,
99 static struct regulator_consumer_supply max8997_buck1
=
100 REGULATOR_SUPPLY("vdd_arm", NULL
);
102 static struct regulator_consumer_supply max8997_buck2
=
103 REGULATOR_SUPPLY("vdd_int", NULL
);
105 static struct regulator_consumer_supply max8997_buck3
=
106 REGULATOR_SUPPLY("vdd_g3d", NULL
);
108 static struct regulator_init_data max8997_buck1_data
= {
110 .name
= "VDD_ARM_SMDK4X12",
114 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
,
119 .num_consumer_supplies
= 1,
120 .consumer_supplies
= &max8997_buck1
,
123 static struct regulator_init_data max8997_buck2_data
= {
125 .name
= "VDD_INT_SMDK4X12",
129 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
,
134 .num_consumer_supplies
= 1,
135 .consumer_supplies
= &max8997_buck2
,
138 static struct regulator_init_data max8997_buck3_data
= {
140 .name
= "VDD_G3D_SMDK4X12",
143 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
|
144 REGULATOR_CHANGE_STATUS
,
149 .num_consumer_supplies
= 1,
150 .consumer_supplies
= &max8997_buck3
,
153 static struct max8997_regulator_data smdk4x12_max8997_regulators
[] = {
154 { MAX8997_BUCK1
, &max8997_buck1_data
},
155 { MAX8997_BUCK2
, &max8997_buck2_data
},
156 { MAX8997_BUCK3
, &max8997_buck3_data
},
159 static struct max8997_platform_data smdk4x12_max8997_pdata
= {
160 .num_regulators
= ARRAY_SIZE(smdk4x12_max8997_regulators
),
161 .regulators
= smdk4x12_max8997_regulators
,
163 .buck1_voltage
[0] = 1100000, /* 1.1V */
164 .buck1_voltage
[1] = 1100000, /* 1.1V */
165 .buck1_voltage
[2] = 1100000, /* 1.1V */
166 .buck1_voltage
[3] = 1100000, /* 1.1V */
167 .buck1_voltage
[4] = 1100000, /* 1.1V */
168 .buck1_voltage
[5] = 1100000, /* 1.1V */
169 .buck1_voltage
[6] = 1000000, /* 1.0V */
170 .buck1_voltage
[7] = 950000, /* 0.95V */
172 .buck2_voltage
[0] = 1100000, /* 1.1V */
173 .buck2_voltage
[1] = 1000000, /* 1.0V */
174 .buck2_voltage
[2] = 950000, /* 0.95V */
175 .buck2_voltage
[3] = 900000, /* 0.9V */
176 .buck2_voltage
[4] = 1100000, /* 1.1V */
177 .buck2_voltage
[5] = 1000000, /* 1.0V */
178 .buck2_voltage
[6] = 950000, /* 0.95V */
179 .buck2_voltage
[7] = 900000, /* 0.9V */
181 .buck5_voltage
[0] = 1100000, /* 1.1V */
182 .buck5_voltage
[1] = 1100000, /* 1.1V */
183 .buck5_voltage
[2] = 1100000, /* 1.1V */
184 .buck5_voltage
[3] = 1100000, /* 1.1V */
185 .buck5_voltage
[4] = 1100000, /* 1.1V */
186 .buck5_voltage
[5] = 1100000, /* 1.1V */
187 .buck5_voltage
[6] = 1100000, /* 1.1V */
188 .buck5_voltage
[7] = 1100000, /* 1.1V */
191 static struct i2c_board_info smdk4x12_i2c_devs0
[] __initdata
= {
193 I2C_BOARD_INFO("max8997", 0x66),
194 .platform_data
= &smdk4x12_max8997_pdata
,
198 static struct i2c_board_info smdk4x12_i2c_devs1
[] __initdata
= {
199 { I2C_BOARD_INFO("wm8994", 0x1a), }
202 static struct i2c_board_info smdk4x12_i2c_devs3
[] __initdata
= {
203 /* nothing here yet */
206 static struct i2c_board_info smdk4x12_i2c_devs7
[] __initdata
= {
207 /* nothing here yet */
210 static struct samsung_bl_gpio_info smdk4x12_bl_gpio_info
= {
211 .no
= EXYNOS4_GPD0(1),
212 .func
= S3C_GPIO_SFN(2),
215 static struct platform_pwm_backlight_data smdk4x12_bl_data
= {
217 .pwm_period_ns
= 1000,
220 static uint32_t smdk4x12_keymap
[] __initdata
= {
221 /* KEY(row, col, keycode) */
222 KEY(1, 0, KEY_D
), KEY(1, 1, KEY_A
), KEY(1, 2, KEY_B
),
223 KEY(1, 3, KEY_E
), KEY(1, 4, KEY_C
)
226 static struct matrix_keymap_data smdk4x12_keymap_data __initdata
= {
227 .keymap
= smdk4x12_keymap
,
228 .keymap_size
= ARRAY_SIZE(smdk4x12_keymap
),
231 static struct samsung_keypad_platdata smdk4x12_keypad_data __initdata
= {
232 .keymap_data
= &smdk4x12_keymap_data
,
237 static struct platform_device
*smdk4x12_devices
[] __initdata
= {
254 &samsung_device_keypad
,
257 static void __init
smdk4x12_map_io(void)
259 clk_xusbxti
.rate
= 24000000;
261 exynos_init_io(NULL
, 0);
262 s3c24xx_init_clocks(clk_xusbxti
.rate
);
263 s3c24xx_init_uarts(smdk4x12_uartcfgs
, ARRAY_SIZE(smdk4x12_uartcfgs
));
266 static void __init
smdk4x12_reserve(void)
268 s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
271 static void __init
smdk4x12_machine_init(void)
273 s3c_i2c0_set_platdata(NULL
);
274 i2c_register_board_info(0, smdk4x12_i2c_devs0
,
275 ARRAY_SIZE(smdk4x12_i2c_devs0
));
277 s3c_i2c1_set_platdata(NULL
);
278 i2c_register_board_info(1, smdk4x12_i2c_devs1
,
279 ARRAY_SIZE(smdk4x12_i2c_devs1
));
281 s3c_i2c3_set_platdata(NULL
);
282 i2c_register_board_info(3, smdk4x12_i2c_devs3
,
283 ARRAY_SIZE(smdk4x12_i2c_devs3
));
285 s3c_i2c7_set_platdata(NULL
);
286 i2c_register_board_info(7, smdk4x12_i2c_devs7
,
287 ARRAY_SIZE(smdk4x12_i2c_devs7
));
289 samsung_bl_set(&smdk4x12_bl_gpio_info
, &smdk4x12_bl_data
);
291 samsung_keypad_set_platdata(&smdk4x12_keypad_data
);
293 s3c_sdhci2_set_platdata(&smdk4x12_hsmmc2_pdata
);
294 s3c_sdhci3_set_platdata(&smdk4x12_hsmmc3_pdata
);
296 platform_add_devices(smdk4x12_devices
, ARRAY_SIZE(smdk4x12_devices
));
299 MACHINE_START(SMDK4212
, "SMDK4212")
300 /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
301 .atag_offset
= 0x100,
302 .init_irq
= exynos4_init_irq
,
303 .map_io
= smdk4x12_map_io
,
304 .handle_irq
= gic_handle_irq
,
305 .init_machine
= smdk4x12_machine_init
,
306 .timer
= &exynos4_timer
,
307 .restart
= exynos4_restart
,
308 .reserve
= &smdk4x12_reserve
,
311 MACHINE_START(SMDK4412
, "SMDK4412")
312 /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
313 /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
314 .atag_offset
= 0x100,
315 .init_irq
= exynos4_init_irq
,
316 .map_io
= smdk4x12_map_io
,
317 .handle_irq
= gic_handle_irq
,
318 .init_machine
= smdk4x12_machine_init
,
319 .timer
= &exynos4_timer
,
320 .restart
= exynos4_restart
,
321 .reserve
= &smdk4x12_reserve
,