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aa44ef4d SK |
1 | /* |
2 | * Copyright (C) 2008-2009 ST-Ericsson | |
3 | * | |
4 | * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2, as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | */ | |
11 | #include <linux/kernel.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/interrupt.h> | |
14 | #include <linux/platform_device.h> | |
15 | #include <linux/io.h> | |
b8410a15 | 16 | #include <linux/i2c.h> |
ea05a57f | 17 | #include <linux/gpio.h> |
aa44ef4d SK |
18 | #include <linux/amba/bus.h> |
19 | #include <linux/amba/pl022.h> | |
20 | #include <linux/spi/spi.h> | |
39ae702c | 21 | #include <linux/mfd/ab8500.h> |
20406ebf | 22 | #include <linux/mfd/tc3589x.h> |
dd7b2a05 | 23 | #include <linux/leds-lp5521.h> |
a71b819b PL |
24 | #include <linux/input.h> |
25 | #include <linux/gpio_keys.h> | |
aa44ef4d | 26 | |
aa44ef4d SK |
27 | #include <asm/mach-types.h> |
28 | #include <asm/mach/arch.h> | |
29 | ||
ea05a57f | 30 | #include <plat/pincfg.h> |
d48a41c1 | 31 | #include <plat/i2c.h> |
aa44ef4d SK |
32 | |
33 | #include <mach/hardware.h> | |
34 | #include <mach/setup.h> | |
9e4e7fe1 | 35 | #include <mach/devices.h> |
29aeb3cf | 36 | #include <mach/irqs.h> |
aa44ef4d | 37 | |
fbf1eadf | 38 | #include "devices-db8500.h" |
ea05a57f | 39 | #include "pins-db8500.h" |
008f8a2f | 40 | #include "board-mop500.h" |
a1e516e3 | 41 | #include "board-mop500-regulators.h" |
ea05a57f RV |
42 | |
43 | static pin_cfg_t mop500_pins[] = { | |
44 | /* SSP0 */ | |
45 | GPIO143_SSP0_CLK, | |
46 | GPIO144_SSP0_FRM, | |
47 | GPIO145_SSP0_RXD, | |
48 | GPIO146_SSP0_TXD, | |
49 | ||
50 | /* I2C */ | |
51 | GPIO147_I2C0_SCL, | |
52 | GPIO148_I2C0_SDA, | |
53 | GPIO16_I2C1_SCL, | |
54 | GPIO17_I2C1_SDA, | |
55 | GPIO10_I2C2_SDA, | |
56 | GPIO11_I2C2_SCL, | |
57 | GPIO229_I2C3_SDA, | |
58 | GPIO230_I2C3_SCL, | |
4c61c845 SI |
59 | |
60 | /* SKE keypad */ | |
61 | GPIO153_KP_I7, | |
62 | GPIO154_KP_I6, | |
63 | GPIO155_KP_I5, | |
64 | GPIO156_KP_I4, | |
65 | GPIO157_KP_O7, | |
66 | GPIO158_KP_O6, | |
67 | GPIO159_KP_O5, | |
68 | GPIO160_KP_O4, | |
69 | GPIO161_KP_I3, | |
70 | GPIO162_KP_I2, | |
71 | GPIO163_KP_I1, | |
72 | GPIO164_KP_I0, | |
73 | GPIO165_KP_O3, | |
74 | GPIO166_KP_O2, | |
75 | GPIO167_KP_O1, | |
76 | GPIO168_KP_O0, | |
b8410a15 | 77 | |
556fb038 SI |
78 | /* GPIO_EXP_INT */ |
79 | GPIO217_GPIO, | |
80 | ||
81 | /* STMPE1601 IRQ */ | |
82 | GPIO218_GPIO | PIN_INPUT_PULLUP, | |
71f933f4 SI |
83 | |
84 | /* touch screen */ | |
85 | GPIO84_GPIO | PIN_INPUT_PULLUP, | |
ea05a57f RV |
86 | }; |
87 | ||
39ae702c RV |
88 | static struct ab8500_platform_data ab8500_platdata = { |
89 | .irq_base = MOP500_AB8500_IRQ_BASE, | |
a1e516e3 BJ |
90 | .regulator = ab8500_regulators, |
91 | .num_regulator = ARRAY_SIZE(ab8500_regulators), | |
39ae702c RV |
92 | }; |
93 | ||
29aeb3cf LW |
94 | static struct resource ab8500_resources[] = { |
95 | [0] = { | |
22039b7c RV |
96 | .start = IRQ_DB8500_AB8500, |
97 | .end = IRQ_DB8500_AB8500, | |
98 | .flags = IORESOURCE_IRQ | |
29aeb3cf LW |
99 | } |
100 | }; | |
101 | ||
102 | struct platform_device ab8500_device = { | |
103 | .name = "ab8500-i2c", | |
104 | .id = 0, | |
105 | .dev = { | |
106 | .platform_data = &ab8500_platdata, | |
107 | }, | |
108 | .num_resources = 1, | |
109 | .resource = ab8500_resources, | |
110 | }; | |
111 | ||
aa44ef4d SK |
112 | static struct pl022_ssp_controller ssp0_platform_data = { |
113 | .bus_id = 0, | |
114 | /* pl022 not yet supports dma */ | |
115 | .enable_dma = 0, | |
116 | /* on this platform, gpio 31,142,144,214 & | |
117 | * 224 are connected as chip selects | |
118 | */ | |
119 | .num_chipselect = 5, | |
120 | }; | |
121 | ||
b8410a15 RV |
122 | /* |
123 | * TC35892 | |
124 | */ | |
125 | ||
20406ebf | 126 | static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base) |
b8410a15 RV |
127 | { |
128 | mop500_sdi_tc35892_init(); | |
129 | } | |
130 | ||
20406ebf | 131 | static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = { |
b8410a15 RV |
132 | .gpio_base = MOP500_EGPIO(0), |
133 | .setup = mop500_tc35892_init, | |
134 | }; | |
135 | ||
20406ebf | 136 | static struct tc3589x_platform_data mop500_tc35892_data = { |
611b7590 | 137 | .block = TC3589x_BLOCK_GPIO, |
b8410a15 RV |
138 | .gpio = &mop500_tc35892_gpio_data, |
139 | .irq_base = MOP500_EGPIO_IRQ_BASE, | |
140 | }; | |
141 | ||
dd7b2a05 PL |
142 | static struct lp5521_led_config lp5521_pri_led[] = { |
143 | [0] = { | |
144 | .chan_nr = 0, | |
145 | .led_current = 0x2f, | |
146 | .max_current = 0x5f, | |
147 | }, | |
148 | [1] = { | |
149 | .chan_nr = 1, | |
150 | .led_current = 0x2f, | |
151 | .max_current = 0x5f, | |
152 | }, | |
153 | [2] = { | |
154 | .chan_nr = 2, | |
155 | .led_current = 0x2f, | |
156 | .max_current = 0x5f, | |
157 | }, | |
158 | }; | |
159 | ||
160 | static struct lp5521_platform_data __initdata lp5521_pri_data = { | |
161 | .label = "lp5521_pri", | |
162 | .led_config = &lp5521_pri_led[0], | |
163 | .num_channels = 3, | |
164 | .clock_mode = LP5521_CLOCK_EXT, | |
165 | }; | |
166 | ||
167 | static struct lp5521_led_config lp5521_sec_led[] = { | |
168 | [0] = { | |
169 | .chan_nr = 0, | |
170 | .led_current = 0x2f, | |
171 | .max_current = 0x5f, | |
172 | }, | |
173 | [1] = { | |
174 | .chan_nr = 1, | |
175 | .led_current = 0x2f, | |
176 | .max_current = 0x5f, | |
177 | }, | |
178 | [2] = { | |
179 | .chan_nr = 2, | |
180 | .led_current = 0x2f, | |
181 | .max_current = 0x5f, | |
182 | }, | |
183 | }; | |
184 | ||
185 | static struct lp5521_platform_data __initdata lp5521_sec_data = { | |
186 | .label = "lp5521_sec", | |
187 | .led_config = &lp5521_sec_led[0], | |
188 | .num_channels = 3, | |
189 | .clock_mode = LP5521_CLOCK_EXT, | |
190 | }; | |
191 | ||
b8410a15 RV |
192 | static struct i2c_board_info mop500_i2c0_devices[] = { |
193 | { | |
20406ebf | 194 | I2C_BOARD_INFO("tc3589x", 0x42), |
dd7b2a05 | 195 | .irq = NOMADIK_GPIO_TO_IRQ(217), |
b8410a15 RV |
196 | .platform_data = &mop500_tc35892_data, |
197 | }, | |
198 | }; | |
199 | ||
dd7b2a05 PL |
200 | static struct i2c_board_info __initdata mop500_i2c2_devices[] = { |
201 | { | |
202 | /* lp5521 LED driver, 1st device */ | |
203 | I2C_BOARD_INFO("lp5521", 0x33), | |
204 | .platform_data = &lp5521_pri_data, | |
205 | }, | |
206 | { | |
207 | /* lp5521 LED driver, 2st device */ | |
208 | I2C_BOARD_INFO("lp5521", 0x34), | |
209 | .platform_data = &lp5521_sec_data, | |
210 | }, | |
211 | }; | |
212 | ||
d48a41c1 | 213 | #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \ |
f9faf237 | 214 | static struct nmk_i2c_controller u8500_i2c##id##_data = { \ |
d48a41c1 SK |
215 | /* \ |
216 | * slave data setup time, which is \ | |
217 | * 250 ns,100ns,10ns which is 14,6,2 \ | |
218 | * respectively for a 48 Mhz \ | |
219 | * i2c clock \ | |
220 | */ \ | |
221 | .slsu = _slsu, \ | |
222 | /* Tx FIFO threshold */ \ | |
223 | .tft = _tft, \ | |
224 | /* Rx FIFO threshold */ \ | |
225 | .rft = _rft, \ | |
226 | /* std. mode operation */ \ | |
227 | .clk_freq = clk, \ | |
228 | .sm = _sm, \ | |
229 | } | |
230 | ||
231 | /* | |
232 | * The board uses 4 i2c controllers, initialize all of | |
233 | * them with slave data setup time of 250 ns, | |
234 | * Tx & Rx FIFO threshold values as 1 and standard | |
235 | * mode of operation | |
236 | */ | |
237 | U8500_I2C_CONTROLLER(0, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | |
238 | U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | |
239 | U8500_I2C_CONTROLLER(2, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | |
240 | U8500_I2C_CONTROLLER(3, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | |
241 | ||
fbf1eadf RV |
242 | static void __init mop500_i2c_init(void) |
243 | { | |
244 | db8500_add_i2c0(&u8500_i2c0_data); | |
245 | db8500_add_i2c1(&u8500_i2c1_data); | |
246 | db8500_add_i2c2(&u8500_i2c2_data); | |
247 | db8500_add_i2c3(&u8500_i2c3_data); | |
248 | } | |
aa44ef4d | 249 | |
a71b819b PL |
250 | static struct gpio_keys_button mop500_gpio_keys[] = { |
251 | { | |
252 | .desc = "SFH7741 Proximity Sensor", | |
253 | .type = EV_SW, | |
254 | .code = SW_FRONT_PROXIMITY, | |
255 | .gpio = GPIO_PROX_SENSOR, | |
256 | .active_low = 0, | |
257 | .can_disable = 1, | |
258 | } | |
259 | }; | |
260 | ||
261 | static struct regulator *prox_regulator; | |
262 | static int mop500_prox_activate(struct device *dev); | |
263 | static void mop500_prox_deactivate(struct device *dev); | |
264 | ||
265 | static struct gpio_keys_platform_data mop500_gpio_keys_data = { | |
266 | .buttons = mop500_gpio_keys, | |
267 | .nbuttons = ARRAY_SIZE(mop500_gpio_keys), | |
268 | .enable = mop500_prox_activate, | |
269 | .disable = mop500_prox_deactivate, | |
270 | }; | |
271 | ||
272 | static struct platform_device mop500_gpio_keys_device = { | |
273 | .name = "gpio-keys", | |
274 | .id = 0, | |
275 | .dev = { | |
276 | .platform_data = &mop500_gpio_keys_data, | |
277 | }, | |
278 | }; | |
279 | ||
280 | static int mop500_prox_activate(struct device *dev) | |
281 | { | |
282 | prox_regulator = regulator_get(&mop500_gpio_keys_device.dev, | |
283 | "vcc"); | |
284 | if (IS_ERR(prox_regulator)) { | |
285 | dev_err(&mop500_gpio_keys_device.dev, | |
286 | "no regulator\n"); | |
287 | return PTR_ERR(prox_regulator); | |
288 | } | |
289 | regulator_enable(prox_regulator); | |
290 | return 0; | |
291 | } | |
292 | ||
293 | static void mop500_prox_deactivate(struct device *dev) | |
294 | { | |
295 | regulator_disable(prox_regulator); | |
296 | regulator_put(prox_regulator); | |
297 | } | |
298 | ||
d48a41c1 SK |
299 | /* add any platform devices here - TODO */ |
300 | static struct platform_device *platform_devs[] __initdata = { | |
a71b819b | 301 | &mop500_gpio_keys_device, |
d48a41c1 SK |
302 | }; |
303 | ||
fbf1eadf | 304 | static void __init mop500_spi_init(void) |
aa44ef4d | 305 | { |
fbf1eadf RV |
306 | db8500_add_ssp0(&ssp0_platform_data); |
307 | } | |
aa44ef4d | 308 | |
fbf1eadf RV |
309 | static void __init mop500_uart_init(void) |
310 | { | |
311 | db8500_add_uart0(); | |
312 | db8500_add_uart1(); | |
313 | db8500_add_uart2(); | |
314 | } | |
315 | ||
316 | static void __init u8500_init_machine(void) | |
317 | { | |
ea05a57f RV |
318 | u8500_init_devices(); |
319 | ||
320 | nmk_config_pins(mop500_pins, ARRAY_SIZE(mop500_pins)); | |
321 | ||
d48a41c1 SK |
322 | platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); |
323 | ||
fbf1eadf | 324 | mop500_i2c_init(); |
008f8a2f | 325 | mop500_sdi_init(); |
fbf1eadf RV |
326 | mop500_spi_init(); |
327 | mop500_uart_init(); | |
008f8a2f | 328 | |
d5d22815 | 329 | platform_device_register(&ab8500_device); |
b8410a15 RV |
330 | |
331 | i2c_register_board_info(0, mop500_i2c0_devices, | |
332 | ARRAY_SIZE(mop500_i2c0_devices)); | |
dd7b2a05 PL |
333 | i2c_register_board_info(2, mop500_i2c2_devices, |
334 | ARRAY_SIZE(mop500_i2c2_devices)); | |
aa44ef4d SK |
335 | } |
336 | ||
337 | MACHINE_START(U8500, "ST-Ericsson MOP500 platform") | |
338 | /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */ | |
aa44ef4d SK |
339 | .boot_params = 0x100, |
340 | .map_io = u8500_map_io, | |
178980f9 | 341 | .init_irq = ux500_init_irq, |
aa44ef4d | 342 | /* we re-use nomadik timer here */ |
41ac329f | 343 | .timer = &ux500_timer, |
aa44ef4d SK |
344 | .init_machine = u8500_init_machine, |
345 | MACHINE_END |