Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[~shefty/rdma-dev.git] / arch / arm / mach-ux500 / board-mop500.c
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>
16 #include <linux/i2c.h>
17 #include <linux/gpio.h>
18 #include <linux/amba/bus.h>
19 #include <linux/amba/pl022.h>
20 #include <linux/amba/serial.h>
21 #include <linux/spi/spi.h>
22 #include <linux/mfd/abx500/ab8500.h>
23 #include <linux/regulator/ab8500.h>
24 #include <linux/mfd/tc3589x.h>
25 #include <linux/mfd/tps6105x.h>
26 #include <linux/mfd/abx500/ab8500-gpio.h>
27 #include <linux/leds-lp5521.h>
28 #include <linux/input.h>
29 #include <linux/smsc911x.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/delay.h>
32
33 #include <linux/of.h>
34 #include <linux/of_platform.h>
35
36 #include <linux/leds.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/hardware/gic.h>
40
41 #include <plat/i2c.h>
42 #include <plat/ste_dma40.h>
43 #include <plat/pincfg.h>
44 #include <plat/gpio-nomadik.h>
45
46 #include <mach/hardware.h>
47 #include <mach/setup.h>
48 #include <mach/devices.h>
49 #include <mach/irqs.h>
50
51 #include "pins-db8500.h"
52 #include "ste-dma40-db8500.h"
53 #include "devices-db8500.h"
54 #include "board-mop500.h"
55 #include "board-mop500-regulators.h"
56
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
77 static struct ab8500_gpio_platform_data ab8500_gpio_pdata = {
78         .gpio_base              = MOP500_AB8500_PIN_GPIO(1),
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
85          * explanation of these setting
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
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
190 static struct ab8500_platform_data ab8500_platdata = {
191         .irq_base       = MOP500_AB8500_IRQ_BASE,
192         .regulator_reg_init = ab8500_regulator_reg_init,
193         .num_regulator_reg_init = ARRAY_SIZE(ab8500_regulator_reg_init),
194         .regulator      = ab8500_regulators,
195         .num_regulator  = ARRAY_SIZE(ab8500_regulators),
196         .gpio           = &ab8500_gpio_pdata,
197 };
198
199 static struct resource ab8500_resources[] = {
200         [0] = {
201                 .start  = IRQ_DB8500_AB8500,
202                 .end    = IRQ_DB8500_AB8500,
203                 .flags  = IORESOURCE_IRQ
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
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
226 /*
227  * TC35892
228  */
229
230 static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
231 {
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);
238 }
239
240 static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
241         .gpio_base      = MOP500_EGPIO(0),
242         .setup          = mop500_tc35892_init,
243 };
244
245 static struct tc3589x_platform_data mop500_tc35892_data = {
246         .block          = TC3589x_BLOCK_GPIO,
247         .gpio           = &mop500_tc35892_gpio_data,
248         .irq_base       = MOP500_EGPIO_IRQ_BASE,
249 };
250
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
301 static struct i2c_board_info __initdata mop500_i2c0_devices[] = {
302         {
303                 I2C_BOARD_INFO("tc3589x", 0x42),
304                 .irq            = NOMADIK_GPIO_TO_IRQ(217),
305                 .platform_data  = &mop500_tc35892_data,
306         },
307         /* I2C0 devices only available prior to HREFv60 */
308         {
309                 I2C_BOARD_INFO("tps61052", 0x33),
310                 .platform_data  = &mop500_tps61052_data,
311         },
312 };
313
314 #define NUM_PRE_V60_I2C0_DEVICES 1
315
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         },
327         {
328                 /* Light sensor Rohm BH1780GLI */
329                 I2C_BOARD_INFO("bh1780", 0x29),
330         },
331 };
332
333 #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, t_out, _sm)    \
334 static struct nmk_i2c_controller u8500_i2c##id##_data = { \
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,          \
348         /* Slave response timeout(ms) */\
349         .timeout        = t_out,        \
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,
356  * Tx & Rx FIFO threshold values as 8 and standard
357  * mode of operation
358  */
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);
363
364 static void __init mop500_i2c_init(struct device *parent)
365 {
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);
370 }
371
372 static struct gpio_keys_button mop500_gpio_keys[] = {
373         {
374                 .desc                   = "SFH7741 Proximity Sensor",
375                 .type                   = EV_SW,
376                 .code                   = SW_FRONT_PROXIMITY,
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
420 /* add any platform devices here - TODO */
421 static struct platform_device *mop500_platform_devs[] __initdata = {
422         &mop500_gpio_keys_device,
423         &ab8500_device,
424 };
425
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_plat = {
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
462 static void __init mop500_spi_init(struct device *parent)
463 {
464         db8500_add_ssp0(parent, &ssp0_plat);
465 }
466
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
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
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
577         .init = ux500_uart0_init,
578         .exit = ux500_uart0_exit,
579         .reset = ux500_uart0_reset,
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
598 static void __init mop500_uart_init(struct device *parent)
599 {
600         db8500_add_uart0(parent, &uart0_plat);
601         db8500_add_uart1(parent, &uart1_plat);
602         db8500_add_uart2(parent, &uart2_plat);
603 }
604
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
612 static void __init mop500_init_machine(void)
613 {
614         struct device *parent = NULL;
615         int i2c0_devs;
616         int i;
617
618         mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
619
620         parent = u8500_init_devices();
621
622         mop500_pins_init();
623
624         /* FIXME: parent of ab8500 should be prcmu */
625         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
626                 mop500_platform_devs[i]->dev.parent = parent;
627
628         platform_add_devices(mop500_platform_devs,
629                         ARRAY_SIZE(mop500_platform_devs));
630
631         mop500_i2c_init(parent);
632         mop500_sdi_init(parent);
633         mop500_spi_init(parent);
634         mop500_uart_init(parent);
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 {
648         struct device *parent = NULL;
649         int i2c0_devs;
650         int i;
651
652         parent = u8500_init_devices();
653
654         snowball_pins_init();
655
656         for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++)
657                 snowball_platform_devs[i]->dev.parent = parent;
658
659         platform_add_devices(snowball_platform_devs,
660                         ARRAY_SIZE(snowball_platform_devs));
661
662         mop500_i2c_init(parent);
663         snowball_sdi_init(parent);
664         mop500_spi_init(parent);
665         mop500_uart_init(parent);
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 {
678         struct device *parent = NULL;
679         int i2c0_devs;
680         int i;
681
682         /*
683          * The HREFv60 board removed a GPIO expander and routed
684          * all these GPIO pins to the internal GPIO controller
685          * instead.
686          */
687         mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
688
689         parent = u8500_init_devices();
690
691         hrefv60_pins_init();
692
693         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
694                 mop500_platform_devs[i]->dev.parent = parent;
695
696         platform_add_devices(mop500_platform_devs,
697                         ARRAY_SIZE(mop500_platform_devs));
698
699         mop500_i2c_init(parent);
700         hrefv60_sdi_init(parent);
701         mop500_spi_init(parent);
702         mop500_uart_init(parent);
703
704         i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
705
706         i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
707
708         i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
709         i2c_register_board_info(2, mop500_i2c2_devices,
710                                 ARRAY_SIZE(mop500_i2c2_devices));
711
712         /* This board has full regulator constraints */
713         regulator_has_full_constraints();
714 }
715
716 MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
717         /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */
718         .atag_offset    = 0x100,
719         .map_io         = u8500_map_io,
720         .init_irq       = ux500_init_irq,
721         /* we re-use nomadik timer here */
722         .timer          = &ux500_timer,
723         .handle_irq     = gic_handle_irq,
724         .init_machine   = mop500_init_machine,
725 MACHINE_END
726
727 MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
728         .atag_offset    = 0x100,
729         .map_io         = u8500_map_io,
730         .init_irq       = ux500_init_irq,
731         .timer          = &ux500_timer,
732         .handle_irq     = gic_handle_irq,
733         .init_machine   = hrefv60_init_machine,
734 MACHINE_END
735
736 MACHINE_START(SNOWBALL, "Calao Systems Snowball platform")
737         .atag_offset    = 0x100,
738         .map_io         = u8500_map_io,
739         .init_irq       = ux500_init_irq,
740         /* we re-use nomadik timer here */
741         .timer          = &ux500_timer,
742         .handle_irq     = gic_handle_irq,
743         .init_machine   = snowball_init_machine,
744 MACHINE_END
745
746 #ifdef CONFIG_MACH_UX500_DT
747
748 struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
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),
752         OF_DEV_AUXDATA("arm,pl022", 0x80002000, "ssp0",  &ssp0_plat),
753         {},
754 };
755
756 static const struct of_device_id u8500_soc_node[] = {
757         /* only create devices below soc node */
758         { .compatible = "stericsson,db8500", },
759         { },
760 };
761
762 static void __init u8500_init_machine(void)
763 {
764         struct device *parent = NULL;
765         int i2c0_devs;
766         int i;
767
768         parent = u8500_init_devices();
769         i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
770
771         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
772                 mop500_platform_devs[i]->dev.parent = parent;
773         for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++)
774                 snowball_platform_devs[i]->dev.parent = parent;
775
776         /* automatically probe child nodes of db8500 device */
777         of_platform_populate(NULL, u8500_soc_node, u8500_auxdata_lookup, parent);
778
779         if (of_machine_is_compatible("st-ericsson,mop500")) {
780                 mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
781                 mop500_pins_init();
782
783                 platform_add_devices(mop500_platform_devs,
784                                 ARRAY_SIZE(mop500_platform_devs));
785
786                 mop500_sdi_init(parent);
787         } else if (of_machine_is_compatible("calaosystems,snowball-a9500")) {
788                 snowball_pins_init();
789                 platform_add_devices(snowball_platform_devs,
790                                 ARRAY_SIZE(snowball_platform_devs));
791
792                 snowball_sdi_init(parent);
793         } else if (of_machine_is_compatible("st-ericsson,hrefv60+")) {
794                 /*
795                  * The HREFv60 board removed a GPIO expander and routed
796                  * all these GPIO pins to the internal GPIO controller
797                  * instead.
798                  */
799                 mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
800                 i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
801                 hrefv60_pins_init();
802                 platform_add_devices(mop500_platform_devs,
803                                 ARRAY_SIZE(mop500_platform_devs));
804
805                 hrefv60_sdi_init(parent);
806         }
807         mop500_i2c_init(parent);
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();
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