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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> | |
5d7b8467 | 20 | #include <linux/amba/serial.h> |
aa44ef4d | 21 | #include <linux/spi/spi.h> |
ee66e653 | 22 | #include <linux/mfd/abx500/ab8500.h> |
79568b94 | 23 | #include <linux/regulator/ab8500.h> |
20406ebf | 24 | #include <linux/mfd/tc3589x.h> |
fe67dfc8 | 25 | #include <linux/mfd/tps6105x.h> |
ee66e653 | 26 | #include <linux/mfd/abx500/ab8500-gpio.h> |
dd7b2a05 | 27 | #include <linux/leds-lp5521.h> |
a71b819b | 28 | #include <linux/input.h> |
350abe03 | 29 | #include <linux/smsc911x.h> |
a71b819b | 30 | #include <linux/gpio_keys.h> |
1a7d4369 | 31 | #include <linux/delay.h> |
aa44ef4d | 32 | |
2d334297 AB |
33 | #include <linux/of.h> |
34 | #include <linux/of_platform.h> | |
35 | ||
350abe03 | 36 | #include <linux/leds.h> |
aa44ef4d SK |
37 | #include <asm/mach-types.h> |
38 | #include <asm/mach/arch.h> | |
bbf5f385 | 39 | #include <asm/hardware/gic.h> |
aa44ef4d | 40 | |
d48a41c1 | 41 | #include <plat/i2c.h> |
5d7b8467 | 42 | #include <plat/ste_dma40.h> |
1a7d4369 | 43 | #include <plat/pincfg.h> |
0f332861 | 44 | #include <plat/gpio-nomadik.h> |
aa44ef4d SK |
45 | |
46 | #include <mach/hardware.h> | |
47 | #include <mach/setup.h> | |
9e4e7fe1 | 48 | #include <mach/devices.h> |
29aeb3cf | 49 | #include <mach/irqs.h> |
aa44ef4d | 50 | |
1a7d4369 | 51 | #include "pins-db8500.h" |
5d7b8467 | 52 | #include "ste-dma40-db8500.h" |
fbf1eadf | 53 | #include "devices-db8500.h" |
008f8a2f | 54 | #include "board-mop500.h" |
a1e516e3 | 55 | #include "board-mop500-regulators.h" |
ea05a57f | 56 | |
350abe03 RM |
57 | static struct gpio_led snowball_led_array[] = { |
58 | { | |
59 | .name = "user_led", | |
60 | .default_trigger = "none", | |
61 | .gpio = 142, | |
62 | }, | |
63 | }; | |
64 | ||
65 | static struct gpio_led_platform_data snowball_led_data = { | |
66 | .leds = snowball_led_array, | |
67 | .num_leds = ARRAY_SIZE(snowball_led_array), | |
68 | }; | |
69 | ||
70 | static struct platform_device snowball_led_dev = { | |
71 | .name = "leds-gpio", | |
72 | .dev = { | |
73 | .platform_data = &snowball_led_data, | |
74 | }, | |
75 | }; | |
76 | ||
3ef374a2 BB |
77 | static struct ab8500_gpio_platform_data ab8500_gpio_pdata = { |
78 | .gpio_base = MOP500_AB8500_GPIO(0), | |
79 | .irq_base = MOP500_AB8500_VIR_GPIO_IRQ_BASE, | |
80 | /* config_reg is the initial configuration of ab8500 pins. | |
81 | * The pins can be configured as GPIO or alt functions based | |
82 | * on value present in GpioSel1 to GpioSel6 and AlternatFunction | |
83 | * register. This is the array of 7 configuration settings. | |
84 | * One has to compile time decide these settings. Below is the | |
25985edc | 85 | * explanation of these setting |
3ef374a2 BB |
86 | * GpioSel1 = 0x00 => Pins GPIO1 to GPIO8 are not used as GPIO |
87 | * GpioSel2 = 0x1E => Pins GPIO10 to GPIO13 are configured as GPIO | |
88 | * GpioSel3 = 0x80 => Pin GPIO24 is configured as GPIO | |
89 | * GpioSel4 = 0x01 => Pin GPIo25 is configured as GPIO | |
90 | * GpioSel5 = 0x7A => Pins GPIO34, GPIO36 to GPIO39 are conf as GPIO | |
91 | * GpioSel6 = 0x00 => Pins GPIO41 & GPIo42 are not configured as GPIO | |
92 | * AlternaFunction = 0x00 => If Pins GPIO10 to 13 are not configured | |
93 | * as GPIO then this register selectes the alternate fucntions | |
94 | */ | |
95 | .config_reg = {0x00, 0x1E, 0x80, 0x01, | |
96 | 0x7A, 0x00, 0x00}, | |
97 | }; | |
98 | ||
350abe03 RM |
99 | static struct gpio_keys_button snowball_key_array[] = { |
100 | { | |
101 | .gpio = 32, | |
102 | .type = EV_KEY, | |
103 | .code = KEY_1, | |
104 | .desc = "userpb", | |
105 | .active_low = 1, | |
106 | .debounce_interval = 50, | |
107 | .wakeup = 1, | |
108 | }, | |
109 | { | |
110 | .gpio = 151, | |
111 | .type = EV_KEY, | |
112 | .code = KEY_2, | |
113 | .desc = "extkb1", | |
114 | .active_low = 1, | |
115 | .debounce_interval = 50, | |
116 | .wakeup = 1, | |
117 | }, | |
118 | { | |
119 | .gpio = 152, | |
120 | .type = EV_KEY, | |
121 | .code = KEY_3, | |
122 | .desc = "extkb2", | |
123 | .active_low = 1, | |
124 | .debounce_interval = 50, | |
125 | .wakeup = 1, | |
126 | }, | |
127 | { | |
128 | .gpio = 161, | |
129 | .type = EV_KEY, | |
130 | .code = KEY_4, | |
131 | .desc = "extkb3", | |
132 | .active_low = 1, | |
133 | .debounce_interval = 50, | |
134 | .wakeup = 1, | |
135 | }, | |
136 | { | |
137 | .gpio = 162, | |
138 | .type = EV_KEY, | |
139 | .code = KEY_5, | |
140 | .desc = "extkb4", | |
141 | .active_low = 1, | |
142 | .debounce_interval = 50, | |
143 | .wakeup = 1, | |
144 | }, | |
145 | }; | |
146 | ||
147 | static struct gpio_keys_platform_data snowball_key_data = { | |
148 | .buttons = snowball_key_array, | |
149 | .nbuttons = ARRAY_SIZE(snowball_key_array), | |
150 | }; | |
151 | ||
152 | static struct platform_device snowball_key_dev = { | |
153 | .name = "gpio-keys", | |
154 | .id = -1, | |
155 | .dev = { | |
156 | .platform_data = &snowball_key_data, | |
157 | } | |
158 | }; | |
159 | ||
160 | static struct smsc911x_platform_config snowball_sbnet_cfg = { | |
161 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH, | |
162 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, | |
163 | .flags = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY, | |
164 | .shift = 1, | |
165 | }; | |
166 | ||
167 | static struct resource sbnet_res[] = { | |
168 | { | |
169 | .name = "smsc911x-memory", | |
170 | .start = (0x5000 << 16), | |
171 | .end = (0x5000 << 16) + 0xffff, | |
172 | .flags = IORESOURCE_MEM, | |
173 | }, | |
174 | { | |
175 | .start = NOMADIK_GPIO_TO_IRQ(140), | |
176 | .end = NOMADIK_GPIO_TO_IRQ(140), | |
177 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, | |
178 | }, | |
179 | }; | |
180 | ||
181 | static struct platform_device snowball_sbnet_dev = { | |
182 | .name = "smsc911x", | |
183 | .num_resources = ARRAY_SIZE(sbnet_res), | |
184 | .resource = sbnet_res, | |
185 | .dev = { | |
186 | .platform_data = &snowball_sbnet_cfg, | |
187 | }, | |
188 | }; | |
189 | ||
39ae702c RV |
190 | static struct ab8500_platform_data ab8500_platdata = { |
191 | .irq_base = MOP500_AB8500_IRQ_BASE, | |
dfa3a824 BJ |
192 | .regulator_reg_init = ab8500_regulator_reg_init, |
193 | .num_regulator_reg_init = ARRAY_SIZE(ab8500_regulator_reg_init), | |
a1e516e3 BJ |
194 | .regulator = ab8500_regulators, |
195 | .num_regulator = ARRAY_SIZE(ab8500_regulators), | |
3ef374a2 | 196 | .gpio = &ab8500_gpio_pdata, |
39ae702c RV |
197 | }; |
198 | ||
29aeb3cf LW |
199 | static struct resource ab8500_resources[] = { |
200 | [0] = { | |
22039b7c RV |
201 | .start = IRQ_DB8500_AB8500, |
202 | .end = IRQ_DB8500_AB8500, | |
203 | .flags = IORESOURCE_IRQ | |
29aeb3cf LW |
204 | } |
205 | }; | |
206 | ||
207 | struct platform_device ab8500_device = { | |
208 | .name = "ab8500-i2c", | |
209 | .id = 0, | |
210 | .dev = { | |
211 | .platform_data = &ab8500_platdata, | |
212 | }, | |
213 | .num_resources = 1, | |
214 | .resource = ab8500_resources, | |
215 | }; | |
216 | ||
fe67dfc8 LW |
217 | /* |
218 | * TPS61052 | |
219 | */ | |
220 | ||
221 | static struct tps6105x_platform_data mop500_tps61052_data = { | |
222 | .mode = TPS6105X_MODE_VOLTAGE, | |
223 | .regulator_data = &tps61052_regulator, | |
224 | }; | |
225 | ||
b8410a15 RV |
226 | /* |
227 | * TC35892 | |
228 | */ | |
229 | ||
20406ebf | 230 | static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base) |
b8410a15 | 231 | { |
18403424 LJ |
232 | struct device *parent = NULL; |
233 | #if 0 | |
234 | /* FIXME: Is the sdi actually part of tc3589x? */ | |
235 | parent = tc3589x->dev; | |
236 | #endif | |
237 | mop500_sdi_tc35892_init(parent); | |
b8410a15 RV |
238 | } |
239 | ||
20406ebf | 240 | static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = { |
b8410a15 RV |
241 | .gpio_base = MOP500_EGPIO(0), |
242 | .setup = mop500_tc35892_init, | |
243 | }; | |
244 | ||
20406ebf | 245 | static struct tc3589x_platform_data mop500_tc35892_data = { |
611b7590 | 246 | .block = TC3589x_BLOCK_GPIO, |
b8410a15 RV |
247 | .gpio = &mop500_tc35892_gpio_data, |
248 | .irq_base = MOP500_EGPIO_IRQ_BASE, | |
249 | }; | |
250 | ||
dd7b2a05 PL |
251 | static struct lp5521_led_config lp5521_pri_led[] = { |
252 | [0] = { | |
253 | .chan_nr = 0, | |
254 | .led_current = 0x2f, | |
255 | .max_current = 0x5f, | |
256 | }, | |
257 | [1] = { | |
258 | .chan_nr = 1, | |
259 | .led_current = 0x2f, | |
260 | .max_current = 0x5f, | |
261 | }, | |
262 | [2] = { | |
263 | .chan_nr = 2, | |
264 | .led_current = 0x2f, | |
265 | .max_current = 0x5f, | |
266 | }, | |
267 | }; | |
268 | ||
269 | static struct lp5521_platform_data __initdata lp5521_pri_data = { | |
270 | .label = "lp5521_pri", | |
271 | .led_config = &lp5521_pri_led[0], | |
272 | .num_channels = 3, | |
273 | .clock_mode = LP5521_CLOCK_EXT, | |
274 | }; | |
275 | ||
276 | static struct lp5521_led_config lp5521_sec_led[] = { | |
277 | [0] = { | |
278 | .chan_nr = 0, | |
279 | .led_current = 0x2f, | |
280 | .max_current = 0x5f, | |
281 | }, | |
282 | [1] = { | |
283 | .chan_nr = 1, | |
284 | .led_current = 0x2f, | |
285 | .max_current = 0x5f, | |
286 | }, | |
287 | [2] = { | |
288 | .chan_nr = 2, | |
289 | .led_current = 0x2f, | |
290 | .max_current = 0x5f, | |
291 | }, | |
292 | }; | |
293 | ||
294 | static struct lp5521_platform_data __initdata lp5521_sec_data = { | |
295 | .label = "lp5521_sec", | |
296 | .led_config = &lp5521_sec_led[0], | |
297 | .num_channels = 3, | |
298 | .clock_mode = LP5521_CLOCK_EXT, | |
299 | }; | |
300 | ||
fe67dfc8 | 301 | static struct i2c_board_info __initdata mop500_i2c0_devices[] = { |
b8410a15 | 302 | { |
20406ebf | 303 | I2C_BOARD_INFO("tc3589x", 0x42), |
dd7b2a05 | 304 | .irq = NOMADIK_GPIO_TO_IRQ(217), |
b8410a15 RV |
305 | .platform_data = &mop500_tc35892_data, |
306 | }, | |
cf568c58 | 307 | /* I2C0 devices only available prior to HREFv60 */ |
fe67dfc8 LW |
308 | { |
309 | I2C_BOARD_INFO("tps61052", 0x33), | |
310 | .platform_data = &mop500_tps61052_data, | |
311 | }, | |
312 | }; | |
313 | ||
cf568c58 LW |
314 | #define NUM_PRE_V60_I2C0_DEVICES 1 |
315 | ||
dd7b2a05 PL |
316 | static struct i2c_board_info __initdata mop500_i2c2_devices[] = { |
317 | { | |
318 | /* lp5521 LED driver, 1st device */ | |
319 | I2C_BOARD_INFO("lp5521", 0x33), | |
320 | .platform_data = &lp5521_pri_data, | |
321 | }, | |
322 | { | |
323 | /* lp5521 LED driver, 2st device */ | |
324 | I2C_BOARD_INFO("lp5521", 0x34), | |
325 | .platform_data = &lp5521_sec_data, | |
326 | }, | |
bb3b2187 LJ |
327 | { |
328 | /* Light sensor Rohm BH1780GLI */ | |
329 | I2C_BOARD_INFO("bh1780", 0x29), | |
330 | }, | |
dd7b2a05 PL |
331 | }; |
332 | ||
2b030bda | 333 | #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, t_out, _sm) \ |
f9faf237 | 334 | static struct nmk_i2c_controller u8500_i2c##id##_data = { \ |
d48a41c1 SK |
335 | /* \ |
336 | * slave data setup time, which is \ | |
337 | * 250 ns,100ns,10ns which is 14,6,2 \ | |
338 | * respectively for a 48 Mhz \ | |
339 | * i2c clock \ | |
340 | */ \ | |
341 | .slsu = _slsu, \ | |
342 | /* Tx FIFO threshold */ \ | |
343 | .tft = _tft, \ | |
344 | /* Rx FIFO threshold */ \ | |
345 | .rft = _rft, \ | |
346 | /* std. mode operation */ \ | |
347 | .clk_freq = clk, \ | |
2b030bda LW |
348 | /* Slave response timeout(ms) */\ |
349 | .timeout = t_out, \ | |
d48a41c1 SK |
350 | .sm = _sm, \ |
351 | } | |
352 | ||
353 | /* | |
354 | * The board uses 4 i2c controllers, initialize all of | |
355 | * them with slave data setup time of 250 ns, | |
2b030bda | 356 | * Tx & Rx FIFO threshold values as 8 and standard |
d48a41c1 SK |
357 | * mode of operation |
358 | */ | |
2b030bda LW |
359 | U8500_I2C_CONTROLLER(0, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); |
360 | U8500_I2C_CONTROLLER(1, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); | |
361 | U8500_I2C_CONTROLLER(2, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); | |
362 | U8500_I2C_CONTROLLER(3, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); | |
d48a41c1 | 363 | |
18403424 | 364 | static void __init mop500_i2c_init(struct device *parent) |
fbf1eadf | 365 | { |
18403424 LJ |
366 | db8500_add_i2c0(parent, &u8500_i2c0_data); |
367 | db8500_add_i2c1(parent, &u8500_i2c1_data); | |
368 | db8500_add_i2c2(parent, &u8500_i2c2_data); | |
369 | db8500_add_i2c3(parent, &u8500_i2c3_data); | |
fbf1eadf | 370 | } |
aa44ef4d | 371 | |
a71b819b PL |
372 | static struct gpio_keys_button mop500_gpio_keys[] = { |
373 | { | |
374 | .desc = "SFH7741 Proximity Sensor", | |
375 | .type = EV_SW, | |
376 | .code = SW_FRONT_PROXIMITY, | |
a71b819b PL |
377 | .active_low = 0, |
378 | .can_disable = 1, | |
379 | } | |
380 | }; | |
381 | ||
382 | static struct regulator *prox_regulator; | |
383 | static int mop500_prox_activate(struct device *dev); | |
384 | static void mop500_prox_deactivate(struct device *dev); | |
385 | ||
386 | static struct gpio_keys_platform_data mop500_gpio_keys_data = { | |
387 | .buttons = mop500_gpio_keys, | |
388 | .nbuttons = ARRAY_SIZE(mop500_gpio_keys), | |
389 | .enable = mop500_prox_activate, | |
390 | .disable = mop500_prox_deactivate, | |
391 | }; | |
392 | ||
393 | static struct platform_device mop500_gpio_keys_device = { | |
394 | .name = "gpio-keys", | |
395 | .id = 0, | |
396 | .dev = { | |
397 | .platform_data = &mop500_gpio_keys_data, | |
398 | }, | |
399 | }; | |
400 | ||
401 | static int mop500_prox_activate(struct device *dev) | |
402 | { | |
403 | prox_regulator = regulator_get(&mop500_gpio_keys_device.dev, | |
404 | "vcc"); | |
405 | if (IS_ERR(prox_regulator)) { | |
406 | dev_err(&mop500_gpio_keys_device.dev, | |
407 | "no regulator\n"); | |
408 | return PTR_ERR(prox_regulator); | |
409 | } | |
410 | regulator_enable(prox_regulator); | |
411 | return 0; | |
412 | } | |
413 | ||
414 | static void mop500_prox_deactivate(struct device *dev) | |
415 | { | |
416 | regulator_disable(prox_regulator); | |
417 | regulator_put(prox_regulator); | |
418 | } | |
419 | ||
d48a41c1 | 420 | /* add any platform devices here - TODO */ |
350abe03 | 421 | static struct platform_device *mop500_platform_devs[] __initdata = { |
a71b819b | 422 | &mop500_gpio_keys_device, |
350abe03 | 423 | &ab8500_device, |
d48a41c1 SK |
424 | }; |
425 | ||
5d7b8467 LW |
426 | #ifdef CONFIG_STE_DMA40 |
427 | static struct stedma40_chan_cfg ssp0_dma_cfg_rx = { | |
428 | .mode = STEDMA40_MODE_LOGICAL, | |
429 | .dir = STEDMA40_PERIPH_TO_MEM, | |
430 | .src_dev_type = DB8500_DMA_DEV8_SSP0_RX, | |
431 | .dst_dev_type = STEDMA40_DEV_DST_MEMORY, | |
432 | .src_info.data_width = STEDMA40_BYTE_WIDTH, | |
433 | .dst_info.data_width = STEDMA40_BYTE_WIDTH, | |
434 | }; | |
435 | ||
436 | static struct stedma40_chan_cfg ssp0_dma_cfg_tx = { | |
437 | .mode = STEDMA40_MODE_LOGICAL, | |
438 | .dir = STEDMA40_MEM_TO_PERIPH, | |
439 | .src_dev_type = STEDMA40_DEV_SRC_MEMORY, | |
440 | .dst_dev_type = DB8500_DMA_DEV8_SSP0_TX, | |
441 | .src_info.data_width = STEDMA40_BYTE_WIDTH, | |
442 | .dst_info.data_width = STEDMA40_BYTE_WIDTH, | |
443 | }; | |
444 | #endif | |
445 | ||
446 | static struct pl022_ssp_controller ssp0_platform_data = { | |
447 | .bus_id = 0, | |
448 | #ifdef CONFIG_STE_DMA40 | |
449 | .enable_dma = 1, | |
450 | .dma_filter = stedma40_filter, | |
451 | .dma_rx_param = &ssp0_dma_cfg_rx, | |
452 | .dma_tx_param = &ssp0_dma_cfg_tx, | |
453 | #else | |
454 | .enable_dma = 0, | |
455 | #endif | |
456 | /* on this platform, gpio 31,142,144,214 & | |
457 | * 224 are connected as chip selects | |
458 | */ | |
459 | .num_chipselect = 5, | |
460 | }; | |
461 | ||
18403424 | 462 | static void __init mop500_spi_init(struct device *parent) |
aa44ef4d | 463 | { |
18403424 | 464 | db8500_add_ssp0(parent, &ssp0_platform_data); |
fbf1eadf | 465 | } |
aa44ef4d | 466 | |
5d7b8467 LW |
467 | #ifdef CONFIG_STE_DMA40 |
468 | static struct stedma40_chan_cfg uart0_dma_cfg_rx = { | |
469 | .mode = STEDMA40_MODE_LOGICAL, | |
470 | .dir = STEDMA40_PERIPH_TO_MEM, | |
471 | .src_dev_type = DB8500_DMA_DEV13_UART0_RX, | |
472 | .dst_dev_type = STEDMA40_DEV_DST_MEMORY, | |
473 | .src_info.data_width = STEDMA40_BYTE_WIDTH, | |
474 | .dst_info.data_width = STEDMA40_BYTE_WIDTH, | |
475 | }; | |
476 | ||
477 | static struct stedma40_chan_cfg uart0_dma_cfg_tx = { | |
478 | .mode = STEDMA40_MODE_LOGICAL, | |
479 | .dir = STEDMA40_MEM_TO_PERIPH, | |
480 | .src_dev_type = STEDMA40_DEV_SRC_MEMORY, | |
481 | .dst_dev_type = DB8500_DMA_DEV13_UART0_TX, | |
482 | .src_info.data_width = STEDMA40_BYTE_WIDTH, | |
483 | .dst_info.data_width = STEDMA40_BYTE_WIDTH, | |
484 | }; | |
485 | ||
486 | static struct stedma40_chan_cfg uart1_dma_cfg_rx = { | |
487 | .mode = STEDMA40_MODE_LOGICAL, | |
488 | .dir = STEDMA40_PERIPH_TO_MEM, | |
489 | .src_dev_type = DB8500_DMA_DEV12_UART1_RX, | |
490 | .dst_dev_type = STEDMA40_DEV_DST_MEMORY, | |
491 | .src_info.data_width = STEDMA40_BYTE_WIDTH, | |
492 | .dst_info.data_width = STEDMA40_BYTE_WIDTH, | |
493 | }; | |
494 | ||
495 | static struct stedma40_chan_cfg uart1_dma_cfg_tx = { | |
496 | .mode = STEDMA40_MODE_LOGICAL, | |
497 | .dir = STEDMA40_MEM_TO_PERIPH, | |
498 | .src_dev_type = STEDMA40_DEV_SRC_MEMORY, | |
499 | .dst_dev_type = DB8500_DMA_DEV12_UART1_TX, | |
500 | .src_info.data_width = STEDMA40_BYTE_WIDTH, | |
501 | .dst_info.data_width = STEDMA40_BYTE_WIDTH, | |
502 | }; | |
503 | ||
504 | static struct stedma40_chan_cfg uart2_dma_cfg_rx = { | |
505 | .mode = STEDMA40_MODE_LOGICAL, | |
506 | .dir = STEDMA40_PERIPH_TO_MEM, | |
507 | .src_dev_type = DB8500_DMA_DEV11_UART2_RX, | |
508 | .dst_dev_type = STEDMA40_DEV_DST_MEMORY, | |
509 | .src_info.data_width = STEDMA40_BYTE_WIDTH, | |
510 | .dst_info.data_width = STEDMA40_BYTE_WIDTH, | |
511 | }; | |
512 | ||
513 | static struct stedma40_chan_cfg uart2_dma_cfg_tx = { | |
514 | .mode = STEDMA40_MODE_LOGICAL, | |
515 | .dir = STEDMA40_MEM_TO_PERIPH, | |
516 | .src_dev_type = STEDMA40_DEV_SRC_MEMORY, | |
517 | .dst_dev_type = DB8500_DMA_DEV11_UART2_TX, | |
518 | .src_info.data_width = STEDMA40_BYTE_WIDTH, | |
519 | .dst_info.data_width = STEDMA40_BYTE_WIDTH, | |
520 | }; | |
521 | #endif | |
522 | ||
1a7d4369 SKS |
523 | |
524 | static pin_cfg_t mop500_pins_uart0[] = { | |
525 | GPIO0_U0_CTSn | PIN_INPUT_PULLUP, | |
526 | GPIO1_U0_RTSn | PIN_OUTPUT_HIGH, | |
527 | GPIO2_U0_RXD | PIN_INPUT_PULLUP, | |
528 | GPIO3_U0_TXD | PIN_OUTPUT_HIGH, | |
529 | }; | |
530 | ||
531 | #define PRCC_K_SOFTRST_SET 0x18 | |
532 | #define PRCC_K_SOFTRST_CLEAR 0x1C | |
533 | static void ux500_uart0_reset(void) | |
534 | { | |
535 | void __iomem *prcc_rst_set, *prcc_rst_clr; | |
536 | ||
537 | prcc_rst_set = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE + | |
538 | PRCC_K_SOFTRST_SET); | |
539 | prcc_rst_clr = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE + | |
540 | PRCC_K_SOFTRST_CLEAR); | |
541 | ||
542 | /* Activate soft reset PRCC_K_SOFTRST_CLEAR */ | |
543 | writel((readl(prcc_rst_clr) | 0x1), prcc_rst_clr); | |
544 | udelay(1); | |
545 | ||
546 | /* Release soft reset PRCC_K_SOFTRST_SET */ | |
547 | writel((readl(prcc_rst_set) | 0x1), prcc_rst_set); | |
548 | udelay(1); | |
549 | } | |
550 | ||
551 | static void ux500_uart0_init(void) | |
552 | { | |
553 | int ret; | |
554 | ||
555 | ret = nmk_config_pins(mop500_pins_uart0, | |
556 | ARRAY_SIZE(mop500_pins_uart0)); | |
557 | if (ret < 0) | |
558 | pr_err("pl011: uart pins_enable failed\n"); | |
559 | } | |
560 | ||
561 | static void ux500_uart0_exit(void) | |
562 | { | |
563 | int ret; | |
564 | ||
565 | ret = nmk_config_pins_sleep(mop500_pins_uart0, | |
566 | ARRAY_SIZE(mop500_pins_uart0)); | |
567 | if (ret < 0) | |
568 | pr_err("pl011: uart pins_disable failed\n"); | |
569 | } | |
570 | ||
5d7b8467 LW |
571 | static struct amba_pl011_data uart0_plat = { |
572 | #ifdef CONFIG_STE_DMA40 | |
573 | .dma_filter = stedma40_filter, | |
574 | .dma_rx_param = &uart0_dma_cfg_rx, | |
575 | .dma_tx_param = &uart0_dma_cfg_tx, | |
576 | #endif | |
1a7d4369 SKS |
577 | .init = ux500_uart0_init, |
578 | .exit = ux500_uart0_exit, | |
579 | .reset = ux500_uart0_reset, | |
5d7b8467 LW |
580 | }; |
581 | ||
582 | static struct amba_pl011_data uart1_plat = { | |
583 | #ifdef CONFIG_STE_DMA40 | |
584 | .dma_filter = stedma40_filter, | |
585 | .dma_rx_param = &uart1_dma_cfg_rx, | |
586 | .dma_tx_param = &uart1_dma_cfg_tx, | |
587 | #endif | |
588 | }; | |
589 | ||
590 | static struct amba_pl011_data uart2_plat = { | |
591 | #ifdef CONFIG_STE_DMA40 | |
592 | .dma_filter = stedma40_filter, | |
593 | .dma_rx_param = &uart2_dma_cfg_rx, | |
594 | .dma_tx_param = &uart2_dma_cfg_tx, | |
595 | #endif | |
596 | }; | |
597 | ||
18403424 | 598 | static void __init mop500_uart_init(struct device *parent) |
fbf1eadf | 599 | { |
18403424 LJ |
600 | db8500_add_uart0(parent, &uart0_plat); |
601 | db8500_add_uart1(parent, &uart1_plat); | |
602 | db8500_add_uart2(parent, &uart2_plat); | |
fbf1eadf RV |
603 | } |
604 | ||
350abe03 RM |
605 | static struct platform_device *snowball_platform_devs[] __initdata = { |
606 | &snowball_led_dev, | |
607 | &snowball_key_dev, | |
608 | &snowball_sbnet_dev, | |
609 | &ab8500_device, | |
610 | }; | |
611 | ||
4b4f757c | 612 | static void __init mop500_init_machine(void) |
fbf1eadf | 613 | { |
18403424 | 614 | struct device *parent = NULL; |
cf568c58 | 615 | int i2c0_devs; |
b024a0c8 | 616 | int i; |
cf568c58 | 617 | |
110c2c2f LJ |
618 | mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR; |
619 | ||
18403424 | 620 | parent = u8500_init_devices(); |
110c2c2f LJ |
621 | |
622 | mop500_pins_init(); | |
623 | ||
7e0ce270 | 624 | /* FIXME: parent of ab8500 should be prcmu */ |
b024a0c8 LJ |
625 | for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) |
626 | mop500_platform_devs[i]->dev.parent = parent; | |
627 | ||
110c2c2f LJ |
628 | platform_add_devices(mop500_platform_devs, |
629 | ARRAY_SIZE(mop500_platform_devs)); | |
630 | ||
18403424 LJ |
631 | mop500_i2c_init(parent); |
632 | mop500_sdi_init(parent); | |
633 | mop500_spi_init(parent); | |
634 | mop500_uart_init(parent); | |
110c2c2f LJ |
635 | |
636 | i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices); | |
637 | ||
638 | i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs); | |
639 | i2c_register_board_info(2, mop500_i2c2_devices, | |
640 | ARRAY_SIZE(mop500_i2c2_devices)); | |
641 | ||
642 | /* This board has full regulator constraints */ | |
643 | regulator_has_full_constraints(); | |
644 | } | |
645 | ||
646 | static void __init snowball_init_machine(void) | |
647 | { | |
18403424 | 648 | struct device *parent = NULL; |
110c2c2f | 649 | int i2c0_devs; |
b024a0c8 | 650 | int i; |
110c2c2f | 651 | |
18403424 | 652 | parent = u8500_init_devices(); |
110c2c2f LJ |
653 | |
654 | snowball_pins_init(); | |
655 | ||
b024a0c8 LJ |
656 | for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++) |
657 | snowball_platform_devs[i]->dev.parent = parent; | |
658 | ||
110c2c2f LJ |
659 | platform_add_devices(snowball_platform_devs, |
660 | ARRAY_SIZE(snowball_platform_devs)); | |
661 | ||
18403424 LJ |
662 | mop500_i2c_init(parent); |
663 | snowball_sdi_init(parent); | |
664 | mop500_spi_init(parent); | |
665 | mop500_uart_init(parent); | |
110c2c2f LJ |
666 | |
667 | i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices); | |
668 | i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs); | |
669 | i2c_register_board_info(2, mop500_i2c2_devices, | |
670 | ARRAY_SIZE(mop500_i2c2_devices)); | |
671 | ||
672 | /* This board has full regulator constraints */ | |
673 | regulator_has_full_constraints(); | |
674 | } | |
675 | ||
676 | static void __init hrefv60_init_machine(void) | |
677 | { | |
18403424 | 678 | struct device *parent = NULL; |
110c2c2f | 679 | int i2c0_devs; |
b024a0c8 | 680 | int i; |
110c2c2f | 681 | |
4b4f757c LW |
682 | /* |
683 | * The HREFv60 board removed a GPIO expander and routed | |
684 | * all these GPIO pins to the internal GPIO controller | |
685 | * instead. | |
686 | */ | |
110c2c2f | 687 | mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO; |
4b4f757c | 688 | |
18403424 | 689 | parent = u8500_init_devices(); |
ea05a57f | 690 | |
110c2c2f | 691 | hrefv60_pins_init(); |
ea05a57f | 692 | |
b024a0c8 LJ |
693 | for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) |
694 | mop500_platform_devs[i]->dev.parent = parent; | |
695 | ||
110c2c2f LJ |
696 | platform_add_devices(mop500_platform_devs, |
697 | ARRAY_SIZE(mop500_platform_devs)); | |
d48a41c1 | 698 | |
18403424 LJ |
699 | mop500_i2c_init(parent); |
700 | hrefv60_sdi_init(parent); | |
701 | mop500_spi_init(parent); | |
702 | mop500_uart_init(parent); | |
008f8a2f | 703 | |
cf568c58 | 704 | i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices); |
110c2c2f LJ |
705 | |
706 | i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES; | |
cf568c58 LW |
707 | |
708 | i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs); | |
dd7b2a05 PL |
709 | i2c_register_board_info(2, mop500_i2c2_devices, |
710 | ARRAY_SIZE(mop500_i2c2_devices)); | |
db24520f LW |
711 | |
712 | /* This board has full regulator constraints */ | |
713 | regulator_has_full_constraints(); | |
aa44ef4d SK |
714 | } |
715 | ||
716 | MACHINE_START(U8500, "ST-Ericsson MOP500 platform") | |
717 | /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */ | |
bc77b1aa | 718 | .atag_offset = 0x100, |
aa44ef4d | 719 | .map_io = u8500_map_io, |
178980f9 | 720 | .init_irq = ux500_init_irq, |
aa44ef4d | 721 | /* we re-use nomadik timer here */ |
41ac329f | 722 | .timer = &ux500_timer, |
bbf5f385 | 723 | .handle_irq = gic_handle_irq, |
4b4f757c LW |
724 | .init_machine = mop500_init_machine, |
725 | MACHINE_END | |
726 | ||
727 | MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+") | |
bc77b1aa | 728 | .atag_offset = 0x100, |
4b4f757c LW |
729 | .map_io = u8500_map_io, |
730 | .init_irq = ux500_init_irq, | |
731 | .timer = &ux500_timer, | |
bbf5f385 | 732 | .handle_irq = gic_handle_irq, |
110c2c2f | 733 | .init_machine = hrefv60_init_machine, |
aa44ef4d | 734 | MACHINE_END |
350abe03 RM |
735 | |
736 | MACHINE_START(SNOWBALL, "Calao Systems Snowball platform") | |
bc77b1aa | 737 | .atag_offset = 0x100, |
350abe03 RM |
738 | .map_io = u8500_map_io, |
739 | .init_irq = ux500_init_irq, | |
740 | /* we re-use nomadik timer here */ | |
741 | .timer = &ux500_timer, | |
bbf5f385 | 742 | .handle_irq = gic_handle_irq, |
110c2c2f | 743 | .init_machine = snowball_init_machine, |
350abe03 | 744 | MACHINE_END |
2d334297 AB |
745 | |
746 | #ifdef CONFIG_MACH_UX500_DT | |
7e0ce270 LJ |
747 | |
748 | struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = { | |
4905af0e LJ |
749 | OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", &uart0_plat), |
750 | OF_DEV_AUXDATA("arm,pl011", 0x80121000, "uart1", &uart1_plat), | |
751 | OF_DEV_AUXDATA("arm,pl011", 0x80007000, "uart2", &uart2_plat), | |
7e0ce270 LJ |
752 | {}, |
753 | }; | |
754 | ||
755 | static const struct of_device_id u8500_soc_node[] = { | |
756 | /* only create devices below soc node */ | |
757 | { .compatible = "stericsson,db8500", }, | |
758 | { }, | |
759 | }; | |
760 | ||
2d334297 AB |
761 | static void __init u8500_init_machine(void) |
762 | { | |
7734fed8 AB |
763 | struct device *parent = NULL; |
764 | int i2c0_devs; | |
765 | int i; | |
766 | ||
767 | parent = u8500_init_devices(); | |
768 | i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices); | |
769 | ||
770 | for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) | |
771 | mop500_platform_devs[i]->dev.parent = parent; | |
772 | for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++) | |
773 | snowball_platform_devs[i]->dev.parent = parent; | |
774 | ||
7e0ce270 LJ |
775 | /* automatically probe child nodes of db8500 device */ |
776 | of_platform_populate(NULL, u8500_soc_node, u8500_auxdata_lookup, parent); | |
7734fed8 AB |
777 | |
778 | if (of_machine_is_compatible("st-ericsson,mop500")) { | |
779 | mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR; | |
780 | mop500_pins_init(); | |
781 | ||
782 | platform_add_devices(mop500_platform_devs, | |
783 | ARRAY_SIZE(mop500_platform_devs)); | |
784 | ||
785 | mop500_sdi_init(parent); | |
786 | } else if (of_machine_is_compatible("calaosystems,snowball-a9500")) { | |
787 | snowball_pins_init(); | |
788 | platform_add_devices(snowball_platform_devs, | |
789 | ARRAY_SIZE(snowball_platform_devs)); | |
790 | ||
791 | snowball_sdi_init(parent); | |
792 | } else if (of_machine_is_compatible("st-ericsson,hrefv60+")) { | |
793 | /* | |
794 | * The HREFv60 board removed a GPIO expander and routed | |
795 | * all these GPIO pins to the internal GPIO controller | |
796 | * instead. | |
797 | */ | |
798 | mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO; | |
799 | i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES; | |
800 | hrefv60_pins_init(); | |
801 | platform_add_devices(mop500_platform_devs, | |
802 | ARRAY_SIZE(mop500_platform_devs)); | |
803 | ||
804 | hrefv60_sdi_init(parent); | |
805 | } | |
806 | mop500_i2c_init(parent); | |
807 | mop500_spi_init(parent); | |
7734fed8 AB |
808 | |
809 | i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs); | |
810 | i2c_register_board_info(2, mop500_i2c2_devices, | |
811 | ARRAY_SIZE(mop500_i2c2_devices)); | |
812 | ||
813 | /* This board has full regulator constraints */ | |
814 | regulator_has_full_constraints(); | |
2d334297 AB |
815 | } |
816 | ||
817 | static const char * u8500_dt_board_compat[] = { | |
818 | "calaosystems,snowball-a9500", | |
819 | "st-ericsson,hrefv60+", | |
820 | "st-ericsson,u8500", | |
821 | "st-ericsson,mop500", | |
822 | NULL, | |
823 | }; | |
824 | ||
825 | ||
826 | DT_MACHINE_START(U8500_DT, "ST-Ericsson U8500 platform (Device Tree Support)") | |
827 | .map_io = u8500_map_io, | |
828 | .init_irq = ux500_init_irq, | |
829 | /* we re-use nomadik timer here */ | |
830 | .timer = &ux500_timer, | |
831 | .handle_irq = gic_handle_irq, | |
832 | .init_machine = u8500_init_machine, | |
833 | .dt_compat = u8500_dt_board_compat, | |
834 | MACHINE_END | |
835 | #endif |