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1 | /* linux/arch/arm/mach-s5pv310/mach-universal_c210.c |
2 | * | |
3 | * Copyright (c) 2010 Samsung Electronics Co., Ltd. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2 as | |
7 | * published by the Free Software Foundation. | |
8 | */ | |
9 | ||
34d79315 | 10 | #include <linux/platform_device.h> |
516607d6 | 11 | #include <linux/serial_core.h> |
34d79315 | 12 | #include <linux/input.h> |
3b7998f5 | 13 | #include <linux/i2c.h> |
34d79315 KP |
14 | #include <linux/gpio_keys.h> |
15 | #include <linux/gpio.h> | |
a8928ce7 KP |
16 | #include <linux/regulator/machine.h> |
17 | #include <linux/regulator/fixed.h> | |
18 | #include <linux/mmc/host.h> | |
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19 | |
20 | #include <asm/mach/arch.h> | |
21 | #include <asm/mach-types.h> | |
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22 | |
23 | #include <plat/regs-serial.h> | |
24 | #include <plat/s5pv310.h> | |
25 | #include <plat/cpu.h> | |
acf5eda9 | 26 | #include <plat/devs.h> |
a8928ce7 | 27 | #include <plat/sdhci.h> |
516607d6 KP |
28 | |
29 | #include <mach/map.h> | |
30 | ||
31 | /* Following are default values for UCON, ULCON and UFCON UART registers */ | |
32 | #define UNIVERSAL_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ | |
33 | S3C2410_UCON_RXILEVEL | \ | |
34 | S3C2410_UCON_TXIRQMODE | \ | |
35 | S3C2410_UCON_RXIRQMODE | \ | |
36 | S3C2410_UCON_RXFIFO_TOI | \ | |
37 | S3C2443_UCON_RXERR_IRQEN) | |
38 | ||
39 | #define UNIVERSAL_ULCON_DEFAULT S3C2410_LCON_CS8 | |
40 | ||
41 | #define UNIVERSAL_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ | |
42 | S5PV210_UFCON_TXTRIG256 | \ | |
43 | S5PV210_UFCON_RXTRIG256) | |
44 | ||
45 | static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = { | |
46 | [0] = { | |
47 | .hwport = 0, | |
48 | .ucon = UNIVERSAL_UCON_DEFAULT, | |
49 | .ulcon = UNIVERSAL_ULCON_DEFAULT, | |
50 | .ufcon = UNIVERSAL_UFCON_DEFAULT, | |
51 | }, | |
52 | [1] = { | |
53 | .hwport = 1, | |
54 | .ucon = UNIVERSAL_UCON_DEFAULT, | |
55 | .ulcon = UNIVERSAL_ULCON_DEFAULT, | |
56 | .ufcon = UNIVERSAL_UFCON_DEFAULT, | |
57 | }, | |
58 | [2] = { | |
59 | .hwport = 2, | |
60 | .ucon = UNIVERSAL_UCON_DEFAULT, | |
61 | .ulcon = UNIVERSAL_ULCON_DEFAULT, | |
62 | .ufcon = UNIVERSAL_UFCON_DEFAULT, | |
63 | }, | |
64 | [3] = { | |
65 | .hwport = 3, | |
66 | .ucon = UNIVERSAL_UCON_DEFAULT, | |
67 | .ulcon = UNIVERSAL_ULCON_DEFAULT, | |
68 | .ufcon = UNIVERSAL_UFCON_DEFAULT, | |
69 | }, | |
70 | }; | |
71 | ||
34d79315 KP |
72 | static struct gpio_keys_button universal_gpio_keys_tables[] = { |
73 | { | |
74 | .code = KEY_VOLUMEUP, | |
75 | .gpio = S5PV310_GPX2(0), /* XEINT16 */ | |
76 | .desc = "gpio-keys: KEY_VOLUMEUP", | |
77 | .type = EV_KEY, | |
78 | .active_low = 1, | |
79 | .debounce_interval = 1, | |
80 | }, { | |
81 | .code = KEY_VOLUMEDOWN, | |
82 | .gpio = S5PV310_GPX2(1), /* XEINT17 */ | |
83 | .desc = "gpio-keys: KEY_VOLUMEDOWN", | |
84 | .type = EV_KEY, | |
85 | .active_low = 1, | |
86 | .debounce_interval = 1, | |
87 | }, { | |
88 | .code = KEY_CONFIG, | |
89 | .gpio = S5PV310_GPX2(2), /* XEINT18 */ | |
90 | .desc = "gpio-keys: KEY_CONFIG", | |
91 | .type = EV_KEY, | |
92 | .active_low = 1, | |
93 | .debounce_interval = 1, | |
94 | }, { | |
95 | .code = KEY_CAMERA, | |
96 | .gpio = S5PV310_GPX2(3), /* XEINT19 */ | |
97 | .desc = "gpio-keys: KEY_CAMERA", | |
98 | .type = EV_KEY, | |
99 | .active_low = 1, | |
100 | .debounce_interval = 1, | |
101 | }, { | |
102 | .code = KEY_OK, | |
103 | .gpio = S5PV310_GPX3(5), /* XEINT29 */ | |
104 | .desc = "gpio-keys: KEY_OK", | |
105 | .type = EV_KEY, | |
106 | .active_low = 1, | |
107 | .debounce_interval = 1, | |
108 | }, | |
109 | }; | |
110 | ||
111 | static struct gpio_keys_platform_data universal_gpio_keys_data = { | |
112 | .buttons = universal_gpio_keys_tables, | |
113 | .nbuttons = ARRAY_SIZE(universal_gpio_keys_tables), | |
114 | }; | |
115 | ||
116 | static struct platform_device universal_gpio_keys = { | |
117 | .name = "gpio-keys", | |
118 | .dev = { | |
119 | .platform_data = &universal_gpio_keys_data, | |
120 | }, | |
121 | }; | |
122 | ||
a8928ce7 KP |
123 | /* eMMC */ |
124 | static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = { | |
125 | .max_width = 8, | |
126 | .host_caps = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA | | |
127 | MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED | | |
128 | MMC_CAP_DISABLE), | |
129 | .cd_type = S3C_SDHCI_CD_PERMANENT, | |
130 | .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, | |
131 | }; | |
132 | ||
133 | static struct regulator_consumer_supply mmc0_supplies[] = { | |
134 | REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"), | |
135 | }; | |
136 | ||
137 | static struct regulator_init_data mmc0_fixed_voltage_init_data = { | |
138 | .constraints = { | |
139 | .name = "VMEM_VDD_2.8V", | |
140 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, | |
141 | }, | |
142 | .num_consumer_supplies = ARRAY_SIZE(mmc0_supplies), | |
143 | .consumer_supplies = mmc0_supplies, | |
144 | }; | |
145 | ||
146 | static struct fixed_voltage_config mmc0_fixed_voltage_config = { | |
147 | .supply_name = "MASSMEMORY_EN", | |
148 | .microvolts = 2800000, | |
149 | .gpio = S5PV310_GPE1(3), | |
150 | .enable_high = true, | |
151 | .init_data = &mmc0_fixed_voltage_init_data, | |
152 | }; | |
153 | ||
154 | static struct platform_device mmc0_fixed_voltage = { | |
155 | .name = "reg-fixed-voltage", | |
156 | .id = 0, | |
157 | .dev = { | |
158 | .platform_data = &mmc0_fixed_voltage_config, | |
159 | }, | |
160 | }; | |
161 | ||
162 | /* SD */ | |
163 | static struct s3c_sdhci_platdata universal_hsmmc2_data __initdata = { | |
164 | .max_width = 4, | |
165 | .host_caps = MMC_CAP_4_BIT_DATA | | |
166 | MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED | | |
167 | MMC_CAP_DISABLE, | |
168 | .ext_cd_gpio = S5PV310_GPX3(4), /* XEINT_28 */ | |
169 | .ext_cd_gpio_invert = 1, | |
170 | .cd_type = S3C_SDHCI_CD_GPIO, | |
171 | .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, | |
172 | }; | |
173 | ||
174 | /* WiFi */ | |
175 | static struct s3c_sdhci_platdata universal_hsmmc3_data __initdata = { | |
176 | .max_width = 4, | |
177 | .host_caps = MMC_CAP_4_BIT_DATA | | |
178 | MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED | | |
179 | MMC_CAP_DISABLE, | |
180 | .cd_type = S3C_SDHCI_CD_EXTERNAL, | |
181 | }; | |
182 | ||
183 | static void __init universal_sdhci_init(void) | |
184 | { | |
185 | s3c_sdhci0_set_platdata(&universal_hsmmc0_data); | |
186 | s3c_sdhci2_set_platdata(&universal_hsmmc2_data); | |
187 | s3c_sdhci3_set_platdata(&universal_hsmmc3_data); | |
188 | } | |
189 | ||
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190 | /* I2C0 */ |
191 | static struct i2c_board_info i2c0_devs[] __initdata = { | |
192 | /* Camera, To be updated */ | |
193 | }; | |
194 | ||
195 | /* I2C1 */ | |
196 | static struct i2c_board_info i2c1_devs[] __initdata = { | |
197 | /* Gyro, To be updated */ | |
198 | }; | |
199 | ||
34d79315 | 200 | static struct platform_device *universal_devices[] __initdata = { |
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201 | /* Samsung Platform Devices */ |
202 | &mmc0_fixed_voltage, | |
203 | &s3c_device_hsmmc0, | |
204 | &s3c_device_hsmmc2, | |
205 | &s3c_device_hsmmc3, | |
206 | ||
207 | /* Universal Devices */ | |
34d79315 | 208 | &universal_gpio_keys, |
acf5eda9 | 209 | &s5p_device_onenand, |
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210 | }; |
211 | ||
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212 | static void __init universal_map_io(void) |
213 | { | |
214 | s5p_init_io(NULL, 0, S5P_VA_CHIPID); | |
215 | s3c24xx_init_clocks(24000000); | |
216 | s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs)); | |
217 | } | |
218 | ||
219 | static void __init universal_machine_init(void) | |
220 | { | |
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221 | universal_sdhci_init(); |
222 | ||
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223 | i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs)); |
224 | i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs)); | |
225 | ||
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226 | /* Last */ |
227 | platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices)); | |
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228 | } |
229 | ||
230 | MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210") | |
231 | /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */ | |
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232 | .boot_params = S5P_PA_SDRAM + 0x100, |
233 | .init_irq = s5pv310_init_irq, | |
234 | .map_io = universal_map_io, | |
235 | .init_machine = universal_machine_init, | |
236 | .timer = &s5pv310_timer, | |
237 | MACHINE_END |