Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
[pandora-kernel.git] / arch / arm / mach-pxa / em-x270.c
1 /*
2  * Support for CompuLab EM-X270 platform
3  *
4  * Copyright (C) 2007, 2008 CompuLab, Ltd.
5  * Author: Mike Rapoport <mike@compulab.co.il>
6  *
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.
10  */
11
12 #include <linux/irq.h>
13 #include <linux/platform_device.h>
14 #include <linux/delay.h>
15
16 #include <linux/dm9000.h>
17 #include <linux/rtc-v3020.h>
18 #include <linux/mtd/nand.h>
19 #include <linux/mtd/partitions.h>
20 #include <linux/mtd/physmap.h>
21 #include <linux/input.h>
22 #include <linux/gpio_keys.h>
23 #include <linux/gpio.h>
24 #include <linux/mfd/da903x.h>
25 #include <linux/regulator/machine.h>
26 #include <linux/spi/spi.h>
27 #include <linux/spi/tdo24m.h>
28 #include <linux/spi/libertas_spi.h>
29 #include <linux/power_supply.h>
30 #include <linux/apm-emulation.h>
31 #include <linux/i2c.h>
32 #include <linux/i2c/pca953x.h>
33
34 #include <media/soc_camera.h>
35
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38
39 #include <mach/pxa27x.h>
40 #include <mach/pxa27x-udc.h>
41 #include <mach/audio.h>
42 #include <mach/pxafb.h>
43 #include <mach/ohci.h>
44 #include <mach/mmc.h>
45 #include <mach/pxa27x_keypad.h>
46 #include <plat/i2c.h>
47 #include <mach/camera.h>
48 #include <mach/pxa2xx_spi.h>
49
50 #include "generic.h"
51 #include "devices.h"
52
53 /* EM-X270 specific GPIOs */
54 #define GPIO13_MMC_CD           (13)
55 #define GPIO95_MMC_WP           (95)
56 #define GPIO56_NAND_RB          (56)
57 #define GPIO93_CAM_RESET        (93)
58 #define GPIO16_USB_HUB_RESET    (16)
59
60 /* eXeda specific GPIOs */
61 #define GPIO114_MMC_CD          (114)
62 #define GPIO20_NAND_RB          (20)
63 #define GPIO38_SD_PWEN          (38)
64 #define GPIO37_WLAN_RST         (37)
65 #define GPIO95_TOUCHPAD_INT     (95)
66 #define GPIO130_CAM_RESET       (130)
67 #define GPIO10_USB_HUB_RESET    (10)
68
69 /* common  GPIOs */
70 #define GPIO11_NAND_CS          (11)
71 #define GPIO41_ETHIRQ           (41)
72 #define EM_X270_ETHIRQ          IRQ_GPIO(GPIO41_ETHIRQ)
73 #define GPIO115_WLAN_PWEN       (115)
74 #define GPIO19_WLAN_STRAP       (19)
75 #define GPIO9_USB_VBUS_EN       (9)
76
77 static int mmc_cd;
78 static int nand_rb;
79 static int dm9000_flags;
80 static int cam_reset;
81 static int usb_hub_reset;
82
83 static unsigned long common_pin_config[] = {
84         /* AC'97 */
85         GPIO28_AC97_BITCLK,
86         GPIO29_AC97_SDATA_IN_0,
87         GPIO30_AC97_SDATA_OUT,
88         GPIO31_AC97_SYNC,
89         GPIO98_AC97_SYSCLK,
90         GPIO113_AC97_nRESET,
91
92         /* BTUART */
93         GPIO42_BTUART_RXD,
94         GPIO43_BTUART_TXD,
95         GPIO44_BTUART_CTS,
96         GPIO45_BTUART_RTS,
97
98         /* STUART */
99         GPIO46_STUART_RXD,
100         GPIO47_STUART_TXD,
101
102         /* MCI controller */
103         GPIO32_MMC_CLK,
104         GPIO112_MMC_CMD,
105         GPIO92_MMC_DAT_0,
106         GPIO109_MMC_DAT_1,
107         GPIO110_MMC_DAT_2,
108         GPIO111_MMC_DAT_3,
109
110         /* LCD */
111         GPIO58_LCD_LDD_0,
112         GPIO59_LCD_LDD_1,
113         GPIO60_LCD_LDD_2,
114         GPIO61_LCD_LDD_3,
115         GPIO62_LCD_LDD_4,
116         GPIO63_LCD_LDD_5,
117         GPIO64_LCD_LDD_6,
118         GPIO65_LCD_LDD_7,
119         GPIO66_LCD_LDD_8,
120         GPIO67_LCD_LDD_9,
121         GPIO68_LCD_LDD_10,
122         GPIO69_LCD_LDD_11,
123         GPIO70_LCD_LDD_12,
124         GPIO71_LCD_LDD_13,
125         GPIO72_LCD_LDD_14,
126         GPIO73_LCD_LDD_15,
127         GPIO74_LCD_FCLK,
128         GPIO75_LCD_LCLK,
129         GPIO76_LCD_PCLK,
130         GPIO77_LCD_BIAS,
131
132         /* QCI */
133         GPIO84_CIF_FV,
134         GPIO25_CIF_LV,
135         GPIO53_CIF_MCLK,
136         GPIO54_CIF_PCLK,
137         GPIO81_CIF_DD_0,
138         GPIO55_CIF_DD_1,
139         GPIO51_CIF_DD_2,
140         GPIO50_CIF_DD_3,
141         GPIO52_CIF_DD_4,
142         GPIO48_CIF_DD_5,
143         GPIO17_CIF_DD_6,
144         GPIO12_CIF_DD_7,
145
146         /* I2C */
147         GPIO117_I2C_SCL,
148         GPIO118_I2C_SDA,
149
150         /* Keypad */
151         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
152         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
153         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
154         GPIO34_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
155         GPIO39_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
156         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
157         GPIO91_KP_MKIN_6        | WAKEUP_ON_LEVEL_HIGH,
158         GPIO36_KP_MKIN_7        | WAKEUP_ON_LEVEL_HIGH,
159         GPIO103_KP_MKOUT_0,
160         GPIO104_KP_MKOUT_1,
161         GPIO105_KP_MKOUT_2,
162         GPIO106_KP_MKOUT_3,
163         GPIO107_KP_MKOUT_4,
164         GPIO108_KP_MKOUT_5,
165         GPIO96_KP_MKOUT_6,
166         GPIO22_KP_MKOUT_7,
167
168         /* SSP1 */
169         GPIO26_SSP1_RXD,
170         GPIO23_SSP1_SCLK,
171         GPIO24_SSP1_SFRM,
172         GPIO57_SSP1_TXD,
173
174         /* SSP2 */
175         GPIO19_GPIO,    /* SSP2 clock is used as GPIO for Libertas pin-strap */
176         GPIO14_GPIO,
177         GPIO89_SSP2_TXD,
178         GPIO88_SSP2_RXD,
179
180         /* SDRAM and local bus */
181         GPIO15_nCS_1,
182         GPIO78_nCS_2,
183         GPIO79_nCS_3,
184         GPIO80_nCS_4,
185         GPIO49_nPWE,
186         GPIO18_RDY,
187
188         /* GPIO */
189         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* sleep/resume button */
190
191         /* power controls */
192         GPIO20_GPIO     | MFP_LPM_DRIVE_LOW,    /* GPRS_PWEN */
193         GPIO115_GPIO    | MFP_LPM_DRIVE_LOW,    /* WLAN_PWEN */
194
195         /* NAND controls */
196         GPIO11_GPIO     | MFP_LPM_DRIVE_HIGH,   /* NAND CE# */
197
198         /* interrupts */
199         GPIO41_GPIO,    /* DM9000 interrupt */
200 };
201
202 static unsigned long em_x270_pin_config[] = {
203         GPIO13_GPIO,                            /* MMC card detect */
204         GPIO16_GPIO,                            /* USB hub reset */
205         GPIO56_GPIO,                            /* NAND Ready/Busy */
206         GPIO93_GPIO     | MFP_LPM_DRIVE_LOW,    /* Camera reset */
207         GPIO95_GPIO,                            /* MMC Write protect */
208 };
209
210 static unsigned long exeda_pin_config[] = {
211         GPIO10_GPIO,                            /* USB hub reset */
212         GPIO20_GPIO,                            /* NAND Ready/Busy */
213         GPIO38_GPIO     | MFP_LPM_DRIVE_LOW,    /* SD slot power */
214         GPIO95_GPIO,                            /* touchpad IRQ */
215         GPIO114_GPIO,                           /* MMC card detect */
216 };
217
218 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
219 static struct resource em_x270_dm9000_resource[] = {
220         [0] = {
221                 .start = PXA_CS2_PHYS,
222                 .end   = PXA_CS2_PHYS + 3,
223                 .flags = IORESOURCE_MEM,
224         },
225         [1] = {
226                 .start = PXA_CS2_PHYS + 8,
227                 .end   = PXA_CS2_PHYS + 8 + 0x3f,
228                 .flags = IORESOURCE_MEM,
229         },
230         [2] = {
231                 .start = EM_X270_ETHIRQ,
232                 .end   = EM_X270_ETHIRQ,
233                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
234         }
235 };
236
237 static struct dm9000_plat_data em_x270_dm9000_platdata = {
238         .flags          = DM9000_PLATF_NO_EEPROM,
239 };
240
241 static struct platform_device em_x270_dm9000 = {
242         .name           = "dm9000",
243         .id             = 0,
244         .num_resources  = ARRAY_SIZE(em_x270_dm9000_resource),
245         .resource       = em_x270_dm9000_resource,
246         .dev            = {
247                 .platform_data = &em_x270_dm9000_platdata,
248         }
249 };
250
251 static void __init em_x270_init_dm9000(void)
252 {
253         em_x270_dm9000_platdata.flags |= dm9000_flags;
254         platform_device_register(&em_x270_dm9000);
255 }
256 #else
257 static inline void em_x270_init_dm9000(void) {}
258 #endif
259
260 /* V3020 RTC */
261 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
262 static struct resource em_x270_v3020_resource[] = {
263         [0] = {
264                 .start = PXA_CS4_PHYS,
265                 .end   = PXA_CS4_PHYS + 3,
266                 .flags = IORESOURCE_MEM,
267         },
268 };
269
270 static struct v3020_platform_data em_x270_v3020_platdata = {
271         .leftshift = 0,
272 };
273
274 static struct platform_device em_x270_rtc = {
275         .name           = "v3020",
276         .num_resources  = ARRAY_SIZE(em_x270_v3020_resource),
277         .resource       = em_x270_v3020_resource,
278         .id             = -1,
279         .dev            = {
280                 .platform_data = &em_x270_v3020_platdata,
281         }
282 };
283
284 static void __init em_x270_init_rtc(void)
285 {
286         platform_device_register(&em_x270_rtc);
287 }
288 #else
289 static inline void em_x270_init_rtc(void) {}
290 #endif
291
292 /* NAND flash */
293 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
294 static inline void nand_cs_on(void)
295 {
296         gpio_set_value(GPIO11_NAND_CS, 0);
297 }
298
299 static void nand_cs_off(void)
300 {
301         dsb();
302
303         gpio_set_value(GPIO11_NAND_CS, 1);
304 }
305
306 /* hardware specific access to control-lines */
307 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
308                                  unsigned int ctrl)
309 {
310         struct nand_chip *this = mtd->priv;
311         unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
312
313         dsb();
314
315         if (ctrl & NAND_CTRL_CHANGE) {
316                 if (ctrl & NAND_ALE)
317                         nandaddr |=  (1 << 3);
318                 else
319                         nandaddr &= ~(1 << 3);
320                 if (ctrl & NAND_CLE)
321                         nandaddr |=  (1 << 2);
322                 else
323                         nandaddr &= ~(1 << 2);
324                 if (ctrl & NAND_NCE)
325                         nand_cs_on();
326                 else
327                         nand_cs_off();
328         }
329
330         dsb();
331         this->IO_ADDR_W = (void __iomem *)nandaddr;
332         if (dat != NAND_CMD_NONE)
333                 writel(dat, this->IO_ADDR_W);
334
335         dsb();
336 }
337
338 /* read device ready pin */
339 static int em_x270_nand_device_ready(struct mtd_info *mtd)
340 {
341         dsb();
342
343         return gpio_get_value(nand_rb);
344 }
345
346 static struct mtd_partition em_x270_partition_info[] = {
347         [0] = {
348                 .name   = "em_x270-0",
349                 .offset = 0,
350                 .size   = SZ_4M,
351         },
352         [1] = {
353                 .name   = "em_x270-1",
354                 .offset = MTDPART_OFS_APPEND,
355                 .size   = MTDPART_SIZ_FULL
356         },
357 };
358
359 static const char *em_x270_part_probes[] = { "cmdlinepart", NULL };
360
361 struct platform_nand_data em_x270_nand_platdata = {
362         .chip = {
363                 .nr_chips = 1,
364                 .chip_offset = 0,
365                 .nr_partitions = ARRAY_SIZE(em_x270_partition_info),
366                 .partitions = em_x270_partition_info,
367                 .chip_delay = 20,
368                 .part_probe_types = em_x270_part_probes,
369         },
370         .ctrl = {
371                 .hwcontrol = 0,
372                 .dev_ready = em_x270_nand_device_ready,
373                 .select_chip = 0,
374                 .cmd_ctrl = em_x270_nand_cmd_ctl,
375         },
376 };
377
378 static struct resource em_x270_nand_resource[] = {
379         [0] = {
380                 .start = PXA_CS1_PHYS,
381                 .end   = PXA_CS1_PHYS + 12,
382                 .flags = IORESOURCE_MEM,
383         },
384 };
385
386 static struct platform_device em_x270_nand = {
387         .name           = "gen_nand",
388         .num_resources  = ARRAY_SIZE(em_x270_nand_resource),
389         .resource       = em_x270_nand_resource,
390         .id             = -1,
391         .dev            = {
392                 .platform_data = &em_x270_nand_platdata,
393         }
394 };
395
396 static void __init em_x270_init_nand(void)
397 {
398         int err;
399
400         err = gpio_request(GPIO11_NAND_CS, "NAND CS");
401         if (err) {
402                 pr_warning("EM-X270: failed to request NAND CS gpio\n");
403                 return;
404         }
405
406         gpio_direction_output(GPIO11_NAND_CS, 1);
407
408         err = gpio_request(nand_rb, "NAND R/B");
409         if (err) {
410                 pr_warning("EM-X270: failed to request NAND R/B gpio\n");
411                 gpio_free(GPIO11_NAND_CS);
412                 return;
413         }
414
415         gpio_direction_input(nand_rb);
416
417         platform_device_register(&em_x270_nand);
418 }
419 #else
420 static inline void em_x270_init_nand(void) {}
421 #endif
422
423 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
424 static struct mtd_partition em_x270_nor_parts[] = {
425         {
426                 .name =         "Bootloader",
427                 .offset =       0x00000000,
428                 .size =         0x00050000,
429                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
430         }, {
431                 .name =         "Environment",
432                 .offset =       0x00050000,
433                 .size =         0x00010000,
434         }, {
435                 .name =         "Reserved",
436                 .offset =       0x00060000,
437                 .size =         0x00050000,
438                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
439         }, {
440                 .name =         "Splashscreen",
441                 .offset =       0x000b0000,
442                 .size =         0x00050000,
443         }
444 };
445
446 static struct physmap_flash_data em_x270_nor_data[] = {
447         [0] = {
448                 .width = 2,
449                 .parts = em_x270_nor_parts,
450                 .nr_parts = ARRAY_SIZE(em_x270_nor_parts),
451         },
452 };
453
454 static struct resource em_x270_nor_flash_resource = {
455         .start  = PXA_CS0_PHYS,
456         .end    = PXA_CS0_PHYS + SZ_1M - 1,
457         .flags  = IORESOURCE_MEM,
458 };
459
460 static struct platform_device em_x270_physmap_flash = {
461         .name           = "physmap-flash",
462         .id             = 0,
463         .num_resources  = 1,
464         .resource       = &em_x270_nor_flash_resource,
465         .dev            = {
466                 .platform_data  = &em_x270_nor_data,
467         },
468 };
469
470 static void __init em_x270_init_nor(void)
471 {
472         platform_device_register(&em_x270_physmap_flash);
473 }
474 #else
475 static inline void em_x270_init_nor(void) {}
476 #endif
477
478 /* PXA27x OHCI controller setup */
479 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
480 static struct regulator *em_x270_usb_ldo;
481
482 static int em_x270_usb_hub_init(void)
483 {
484         int err;
485
486         em_x270_usb_ldo = regulator_get(NULL, "vcc usb");
487         if (IS_ERR(em_x270_usb_ldo))
488                 return PTR_ERR(em_x270_usb_ldo);
489
490         err = gpio_request(GPIO9_USB_VBUS_EN, "vbus en");
491         if (err)
492                 goto err_free_usb_ldo;
493
494         err = gpio_request(usb_hub_reset, "hub rst");
495         if (err)
496                 goto err_free_vbus_gpio;
497
498         /* USB Hub power-on and reset */
499         gpio_direction_output(usb_hub_reset, 0);
500         regulator_enable(em_x270_usb_ldo);
501         gpio_set_value(usb_hub_reset, 1);
502         gpio_set_value(usb_hub_reset, 0);
503         regulator_disable(em_x270_usb_ldo);
504         regulator_enable(em_x270_usb_ldo);
505         gpio_set_value(usb_hub_reset, 1);
506
507         /* enable VBUS */
508         gpio_direction_output(GPIO9_USB_VBUS_EN, 1);
509
510         return 0;
511
512 err_free_vbus_gpio:
513         gpio_free(GPIO9_USB_VBUS_EN);
514 err_free_usb_ldo:
515         regulator_put(em_x270_usb_ldo);
516
517         return err;
518 }
519
520 static int em_x270_ohci_init(struct device *dev)
521 {
522         int err;
523
524         /* we don't want to entirely disable USB if the HUB init failed */
525         err = em_x270_usb_hub_init();
526         if (err)
527                 pr_err("USB Hub initialization failed: %d\n", err);
528
529         /* enable port 2 transiever */
530         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
531
532         return 0;
533 }
534
535 static void em_x270_ohci_exit(struct device *dev)
536 {
537         gpio_free(usb_hub_reset);
538         gpio_free(GPIO9_USB_VBUS_EN);
539
540         if (!IS_ERR(em_x270_usb_ldo)) {
541                 if (regulator_is_enabled(em_x270_usb_ldo))
542                         regulator_disable(em_x270_usb_ldo);
543
544                 regulator_put(em_x270_usb_ldo);
545         }
546 }
547
548 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
549         .port_mode      = PMM_PERPORT_MODE,
550         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
551         .init           = em_x270_ohci_init,
552         .exit           = em_x270_ohci_exit,
553 };
554
555 static void __init em_x270_init_ohci(void)
556 {
557         pxa_set_ohci_info(&em_x270_ohci_platform_data);
558 }
559 #else
560 static inline void em_x270_init_ohci(void) {}
561 #endif
562
563 /* MCI controller setup */
564 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
565 static struct regulator *em_x270_sdio_ldo;
566
567 static int em_x270_mci_init(struct device *dev,
568                             irq_handler_t em_x270_detect_int,
569                             void *data)
570 {
571         int err;
572
573         em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
574         if (IS_ERR(em_x270_sdio_ldo)) {
575                 dev_err(dev, "can't request SDIO power supply: %ld\n",
576                         PTR_ERR(em_x270_sdio_ldo));
577                 return PTR_ERR(em_x270_sdio_ldo);
578         }
579
580         err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
581                               IRQF_DISABLED | IRQF_TRIGGER_RISING |
582                               IRQF_TRIGGER_FALLING,
583                               "MMC card detect", data);
584         if (err) {
585                 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
586                 goto err_irq;
587         }
588
589         if (machine_is_em_x270()) {
590                 err = gpio_request(GPIO95_MMC_WP, "MMC WP");
591                 if (err) {
592                         dev_err(dev, "can't request MMC write protect: %d\n",
593                                 err);
594                         goto err_gpio_wp;
595                 }
596                 gpio_direction_input(GPIO95_MMC_WP);
597         } else {
598                 err = gpio_request(GPIO38_SD_PWEN, "sdio power");
599                 if (err) {
600                         dev_err(dev, "can't request MMC power control : %d\n",
601                                 err);
602                         goto err_gpio_wp;
603                 }
604                 gpio_direction_output(GPIO38_SD_PWEN, 1);
605         }
606
607         return 0;
608
609 err_gpio_wp:
610         free_irq(gpio_to_irq(mmc_cd), data);
611 err_irq:
612         regulator_put(em_x270_sdio_ldo);
613
614         return err;
615 }
616
617 static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
618 {
619         struct pxamci_platform_data* p_d = dev->platform_data;
620
621         if ((1 << vdd) & p_d->ocr_mask) {
622                 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
623
624                 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
625                 regulator_enable(em_x270_sdio_ldo);
626         } else {
627                 regulator_disable(em_x270_sdio_ldo);
628         }
629 }
630
631 static void em_x270_mci_exit(struct device *dev, void *data)
632 {
633         free_irq(gpio_to_irq(mmc_cd), data);
634         regulator_put(em_x270_sdio_ldo);
635
636         if (machine_is_em_x270())
637                 gpio_free(GPIO95_MMC_WP);
638         else
639                 gpio_free(GPIO38_SD_PWEN);
640 }
641
642 static int em_x270_mci_get_ro(struct device *dev)
643 {
644         return gpio_get_value(GPIO95_MMC_WP);
645 }
646
647 static struct pxamci_platform_data em_x270_mci_platform_data = {
648         .ocr_mask       = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
649                           MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
650                           MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
651                           MMC_VDD_30_31|MMC_VDD_31_32,
652         .init           = em_x270_mci_init,
653         .setpower       = em_x270_mci_setpower,
654         .exit           = em_x270_mci_exit,
655 };
656
657 static void __init em_x270_init_mmc(void)
658 {
659         if (machine_is_em_x270())
660                 em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
661
662         em_x270_mci_platform_data.detect_delay  = msecs_to_jiffies(250);
663         pxa_set_mci_info(&em_x270_mci_platform_data);
664 }
665 #else
666 static inline void em_x270_init_mmc(void) {}
667 #endif
668
669 /* LCD */
670 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
671 static struct pxafb_mode_info em_x270_lcd_modes[] = {
672         [0] = {
673                 .pixclock       = 38250,
674                 .bpp            = 16,
675                 .xres           = 480,
676                 .yres           = 640,
677                 .hsync_len      = 8,
678                 .vsync_len      = 2,
679                 .left_margin    = 8,
680                 .upper_margin   = 2,
681                 .right_margin   = 24,
682                 .lower_margin   = 4,
683                 .sync           = 0,
684         },
685         [1] = {
686                 .pixclock       = 153800,
687                 .bpp            = 16,
688                 .xres           = 240,
689                 .yres           = 320,
690                 .hsync_len      = 8,
691                 .vsync_len      = 2,
692                 .left_margin    = 8,
693                 .upper_margin   = 2,
694                 .right_margin   = 88,
695                 .lower_margin   = 2,
696                 .sync           = 0,
697         },
698 };
699
700 static struct pxafb_mach_info em_x270_lcd = {
701         .modes          = em_x270_lcd_modes,
702         .num_modes      = 2,
703         .lcd_conn       = LCD_COLOR_TFT_16BPP,
704 };
705
706 static void __init em_x270_init_lcd(void)
707 {
708         set_pxa_fb_info(&em_x270_lcd);
709 }
710 #else
711 static inline void em_x270_init_lcd(void) {}
712 #endif
713
714 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
715 static struct pxa2xx_spi_master em_x270_spi_info = {
716         .num_chipselect = 1,
717 };
718
719 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
720         .rx_threshold   = 1,
721         .tx_threshold   = 1,
722         .gpio_cs        = -1,
723 };
724
725 static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
726         .model = TDO35S,
727 };
728
729 static struct pxa2xx_spi_master em_x270_spi_2_info = {
730         .num_chipselect = 1,
731         .enable_dma     = 1,
732 };
733
734 static struct pxa2xx_spi_chip em_x270_libertas_chip = {
735         .rx_threshold   = 1,
736         .tx_threshold   = 1,
737         .timeout        = 1000,
738 };
739
740 static unsigned long em_x270_libertas_pin_config[] = {
741         /* SSP2 */
742         GPIO19_SSP2_SCLK,
743         GPIO14_GPIO,
744         GPIO89_SSP2_TXD,
745         GPIO88_SSP2_RXD,
746 };
747
748 static int em_x270_libertas_setup(struct spi_device *spi)
749 {
750         int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN");
751         if (err)
752                 return err;
753
754         err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
755         if (err)
756                 goto err_free_pwen;
757
758         if (machine_is_exeda()) {
759                 err = gpio_request(GPIO37_WLAN_RST, "WLAN RST");
760                 if (err)
761                         goto err_free_strap;
762
763                 gpio_direction_output(GPIO37_WLAN_RST, 1);
764                 msleep(100);
765         }
766
767         gpio_direction_output(GPIO19_WLAN_STRAP, 1);
768         msleep(100);
769
770         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
771
772         gpio_direction_output(GPIO115_WLAN_PWEN, 0);
773         msleep(100);
774         gpio_set_value(GPIO115_WLAN_PWEN, 1);
775         msleep(100);
776
777         spi->bits_per_word = 16;
778         spi_setup(spi);
779
780         return 0;
781
782 err_free_strap:
783         gpio_free(GPIO19_WLAN_STRAP);
784 err_free_pwen:
785         gpio_free(GPIO115_WLAN_PWEN);
786
787         return err;
788 }
789
790 static int em_x270_libertas_teardown(struct spi_device *spi)
791 {
792         gpio_set_value(GPIO115_WLAN_PWEN, 0);
793         gpio_free(GPIO115_WLAN_PWEN);
794         gpio_free(GPIO19_WLAN_STRAP);
795
796         if (machine_is_exeda()) {
797                 gpio_set_value(GPIO37_WLAN_RST, 0);
798                 gpio_free(GPIO37_WLAN_RST);
799         }
800
801         return 0;
802 }
803
804 struct libertas_spi_platform_data em_x270_libertas_pdata = {
805         .use_dummy_writes       = 1,
806         .gpio_cs                = 14,
807         .setup                  = em_x270_libertas_setup,
808         .teardown               = em_x270_libertas_teardown,
809 };
810
811 static struct spi_board_info em_x270_spi_devices[] __initdata = {
812         {
813                 .modalias               = "tdo24m",
814                 .max_speed_hz           = 1000000,
815                 .bus_num                = 1,
816                 .chip_select            = 0,
817                 .controller_data        = &em_x270_tdo24m_chip,
818                 .platform_data          = &em_x270_tdo24m_pdata,
819         },
820         {
821                 .modalias               = "libertas_spi",
822                 .max_speed_hz           = 13000000,
823                 .bus_num                = 2,
824                 .irq                    = IRQ_GPIO(116),
825                 .chip_select            = 0,
826                 .controller_data        = &em_x270_libertas_chip,
827                 .platform_data          = &em_x270_libertas_pdata,
828         },
829 };
830
831 static void __init em_x270_init_spi(void)
832 {
833         pxa2xx_set_spi_info(1, &em_x270_spi_info);
834         pxa2xx_set_spi_info(2, &em_x270_spi_2_info);
835         spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
836 }
837 #else
838 static inline void em_x270_init_spi(void) {}
839 #endif
840
841 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
842 static void __init em_x270_init_ac97(void)
843 {
844         pxa_set_ac97_info(NULL);
845 }
846 #else
847 static inline void em_x270_init_ac97(void) {}
848 #endif
849
850 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
851 static unsigned int em_x270_module_matrix_keys[] = {
852         KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
853         KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
854         KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
855 };
856
857 struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
858         /* code map for the matrix keys */
859         .matrix_key_rows        = 3,
860         .matrix_key_cols        = 3,
861         .matrix_key_map         = em_x270_module_matrix_keys,
862         .matrix_key_map_size    = ARRAY_SIZE(em_x270_module_matrix_keys),
863 };
864
865 static unsigned int em_x270_exeda_matrix_keys[] = {
866         KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
867         KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
868         KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
869         KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
870
871         KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
872         KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
873         KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
874         KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
875
876         KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
877         KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
878         KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
879         KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
880
881         KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
882         KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
883         KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
884         KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
885
886         KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
887         KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
888         KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
889         KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
890
891         KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
892         KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
893         KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
894         KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
895
896         KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
897         KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
898         KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
899         KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
900
901         KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
902         KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
903         KEY(7, 4, 0), KEY(7, 5, 0),
904         KEY(7, 6, 0), KEY(7, 7, 0),
905 };
906
907 struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
908         /* code map for the matrix keys */
909         .matrix_key_rows        = 8,
910         .matrix_key_cols        = 8,
911         .matrix_key_map         = em_x270_exeda_matrix_keys,
912         .matrix_key_map_size    = ARRAY_SIZE(em_x270_exeda_matrix_keys),
913 };
914
915 static void __init em_x270_init_keypad(void)
916 {
917         if (machine_is_em_x270())
918                 pxa_set_keypad_info(&em_x270_module_keypad_info);
919         else
920                 pxa_set_keypad_info(&em_x270_exeda_keypad_info);
921 }
922 #else
923 static inline void em_x270_init_keypad(void) {}
924 #endif
925
926 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
927 static struct gpio_keys_button gpio_keys_button[] = {
928         [0] = {
929                 .desc   = "sleep/wakeup",
930                 .code   = KEY_SUSPEND,
931                 .type   = EV_PWR,
932                 .gpio   = 1,
933                 .wakeup = 1,
934         },
935 };
936
937 static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
938         .buttons        = gpio_keys_button,
939         .nbuttons       = 1,
940 };
941
942 static struct platform_device em_x270_gpio_keys = {
943         .name           = "gpio-keys",
944         .id             = -1,
945         .dev            = {
946                 .platform_data  = &em_x270_gpio_keys_data,
947         },
948 };
949
950 static void __init em_x270_init_gpio_keys(void)
951 {
952         platform_device_register(&em_x270_gpio_keys);
953 }
954 #else
955 static inline void em_x270_init_gpio_keys(void) {}
956 #endif
957
958 /* Quick Capture Interface and sensor setup */
959 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
960 static struct regulator *em_x270_camera_ldo;
961
962 static int em_x270_sensor_init(struct device *dev)
963 {
964         int ret;
965
966         ret = gpio_request(cam_reset, "camera reset");
967         if (ret)
968                 return ret;
969
970         gpio_direction_output(cam_reset, 0);
971
972         em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
973         if (em_x270_camera_ldo == NULL) {
974                 gpio_free(cam_reset);
975                 return -ENODEV;
976         }
977
978         ret = regulator_enable(em_x270_camera_ldo);
979         if (ret) {
980                 regulator_put(em_x270_camera_ldo);
981                 gpio_free(cam_reset);
982                 return ret;
983         }
984
985         gpio_set_value(cam_reset, 1);
986
987         return 0;
988 }
989
990 struct pxacamera_platform_data em_x270_camera_platform_data = {
991         .init   = em_x270_sensor_init,
992         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
993                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
994         .mclk_10khz = 2600,
995 };
996
997 static int em_x270_sensor_power(struct device *dev, int on)
998 {
999         int ret;
1000         int is_on = regulator_is_enabled(em_x270_camera_ldo);
1001
1002         if (on == is_on)
1003                 return 0;
1004
1005         gpio_set_value(cam_reset, !on);
1006
1007         if (on)
1008                 ret = regulator_enable(em_x270_camera_ldo);
1009         else
1010                 ret = regulator_disable(em_x270_camera_ldo);
1011
1012         if (ret)
1013                 return ret;
1014
1015         gpio_set_value(cam_reset, on);
1016
1017         return 0;
1018 }
1019
1020 static struct soc_camera_link iclink = {
1021         .bus_id = 0,
1022         .power = em_x270_sensor_power,
1023 };
1024
1025 static struct i2c_board_info em_x270_i2c_cam_info[] = {
1026         {
1027                 I2C_BOARD_INFO("mt9m111", 0x48),
1028                 .platform_data = &iclink,
1029         },
1030 };
1031
1032 static void  __init em_x270_init_camera(void)
1033 {
1034         i2c_register_board_info(0, ARRAY_AND_SIZE(em_x270_i2c_cam_info));
1035         pxa_set_camera_info(&em_x270_camera_platform_data);
1036 }
1037 #else
1038 static inline void em_x270_init_camera(void) {}
1039 #endif
1040
1041 /* DA9030 related initializations */
1042 #define REGULATOR_CONSUMER(_name, _dev, _supply)                               \
1043         static struct regulator_consumer_supply _name##_consumers[] = { \
1044                 {                                                       \
1045                         .dev = _dev,                                    \
1046                         .supply = _supply,                              \
1047                 },                                                      \
1048         }
1049
1050 REGULATOR_CONSUMER(ldo3, NULL, "vcc gps");
1051 REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
1052 REGULATOR_CONSUMER(ldo10, &pxa_device_mci.dev, "vcc sdio");
1053 REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
1054 REGULATOR_CONSUMER(ldo19, NULL, "vcc gprs");
1055
1056 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)               \
1057         static struct regulator_init_data _ldo##_data = {               \
1058                 .constraints = {                                        \
1059                         .min_uV = _min_uV,                              \
1060                         .max_uV = _max_uV,                              \
1061                         .state_mem = {                                  \
1062                                 .enabled = 0,                           \
1063                         },                                              \
1064                         .valid_ops_mask = _ops_mask,                    \
1065                 },                                                      \
1066                 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),  \
1067                 .consumer_supplies = _ldo##_consumers,                  \
1068         };
1069
1070 REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1071 REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1072 REGULATOR_INIT(ldo10, 2000000, 3200000,
1073                REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
1074 REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1075 REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1076
1077 struct led_info em_x270_led_info = {
1078         .name = "em-x270:orange",
1079         .default_trigger = "battery-charging-or-full",
1080 };
1081
1082 struct power_supply_info em_x270_psy_info = {
1083         .name = "battery",
1084         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
1085         .voltage_max_design = 4200000,
1086         .voltage_min_design = 3000000,
1087         .use_for_apm = 1,
1088 };
1089
1090 static void em_x270_battery_low(void)
1091 {
1092         apm_queue_event(APM_LOW_BATTERY);
1093 }
1094
1095 static void em_x270_battery_critical(void)
1096 {
1097         apm_queue_event(APM_CRITICAL_SUSPEND);
1098 }
1099
1100 struct da9030_battery_info em_x270_batterty_info = {
1101         .battery_info = &em_x270_psy_info,
1102
1103         .charge_milliamp = 1000,
1104         .charge_millivolt = 4200,
1105
1106         .vbat_low = 3600,
1107         .vbat_crit = 3400,
1108         .vbat_charge_start = 4100,
1109         .vbat_charge_stop = 4200,
1110         .vbat_charge_restart = 4000,
1111
1112         .vcharge_min = 3200,
1113         .vcharge_max = 5500,
1114
1115         .tbat_low = 197,
1116         .tbat_high = 78,
1117         .tbat_restart = 100,
1118
1119         .batmon_interval = 0,
1120
1121         .battery_low = em_x270_battery_low,
1122         .battery_critical = em_x270_battery_critical,
1123 };
1124
1125 #define DA9030_SUBDEV(_name, _id, _pdata)       \
1126         {                                       \
1127                 .name = "da903x-" #_name,       \
1128                 .id = DA9030_ID_##_id,          \
1129                 .platform_data = _pdata,        \
1130         }
1131
1132 #define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
1133
1134 struct da903x_subdev_info em_x270_da9030_subdevs[] = {
1135         DA9030_LDO(3),
1136         DA9030_LDO(5),
1137         DA9030_LDO(10),
1138         DA9030_LDO(12),
1139         DA9030_LDO(19),
1140
1141         DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
1142         DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
1143         DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
1144 };
1145
1146 static struct da903x_platform_data em_x270_da9030_info = {
1147         .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
1148         .subdevs = em_x270_da9030_subdevs,
1149 };
1150
1151 static struct i2c_board_info em_x270_i2c_pmic_info = {
1152         I2C_BOARD_INFO("da9030", 0x49),
1153         .irq = IRQ_GPIO(0),
1154         .platform_data = &em_x270_da9030_info,
1155 };
1156
1157 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
1158         .use_pio = 1,
1159 };
1160
1161 static void __init em_x270_init_da9030(void)
1162 {
1163         pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
1164         i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
1165 }
1166
1167 static struct pca953x_platform_data exeda_gpio_ext_pdata = {
1168         .gpio_base = 128,
1169 };
1170
1171 static struct i2c_board_info exeda_i2c_info[] = {
1172         {
1173                 I2C_BOARD_INFO("pca9555", 0x21),
1174                 .platform_data = &exeda_gpio_ext_pdata,
1175         },
1176 };
1177
1178 static struct i2c_pxa_platform_data em_x270_i2c_info = {
1179         .fast_mode = 1,
1180 };
1181
1182 static void __init em_x270_init_i2c(void)
1183 {
1184         pxa_set_i2c_info(&em_x270_i2c_info);
1185
1186         if (machine_is_exeda())
1187                 i2c_register_board_info(0, ARRAY_AND_SIZE(exeda_i2c_info));
1188 }
1189
1190 static void __init em_x270_module_init(void)
1191 {
1192         pr_info("%s\n", __func__);
1193         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
1194
1195         mmc_cd = GPIO13_MMC_CD;
1196         nand_rb = GPIO56_NAND_RB;
1197         dm9000_flags = DM9000_PLATF_32BITONLY;
1198         cam_reset = GPIO93_CAM_RESET;
1199         usb_hub_reset = GPIO16_USB_HUB_RESET;
1200 }
1201
1202 static void __init em_x270_exeda_init(void)
1203 {
1204         pr_info("%s\n", __func__);
1205         pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
1206
1207         mmc_cd = GPIO114_MMC_CD;
1208         nand_rb = GPIO20_NAND_RB;
1209         dm9000_flags = DM9000_PLATF_16BITONLY;
1210         cam_reset = GPIO130_CAM_RESET;
1211         usb_hub_reset = GPIO10_USB_HUB_RESET;
1212 }
1213
1214 static void __init em_x270_init(void)
1215 {
1216         pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
1217
1218 #ifdef CONFIG_PM
1219         pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
1220 #endif
1221
1222         if (machine_is_em_x270())
1223                 em_x270_module_init();
1224         else if (machine_is_exeda())
1225                 em_x270_exeda_init();
1226         else
1227                 panic("Unsupported machine: %d\n", machine_arch_type);
1228
1229         em_x270_init_da9030();
1230         em_x270_init_dm9000();
1231         em_x270_init_rtc();
1232         em_x270_init_nand();
1233         em_x270_init_nor();
1234         em_x270_init_lcd();
1235         em_x270_init_mmc();
1236         em_x270_init_ohci();
1237         em_x270_init_keypad();
1238         em_x270_init_gpio_keys();
1239         em_x270_init_ac97();
1240         em_x270_init_spi();
1241         em_x270_init_i2c();
1242         em_x270_init_camera();
1243 }
1244
1245 MACHINE_START(EM_X270, "Compulab EM-X270")
1246         .boot_params    = 0xa0000100,
1247         .phys_io        = 0x40000000,
1248         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1249         .map_io         = pxa_map_io,
1250         .init_irq       = pxa27x_init_irq,
1251         .timer          = &pxa_timer,
1252         .init_machine   = em_x270_init,
1253 MACHINE_END
1254
1255 MACHINE_START(EXEDA, "Compulab eXeda")
1256         .boot_params    = 0xa0000100,
1257         .phys_io        = 0x40000000,
1258         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1259         .map_io         = pxa_map_io,
1260         .init_irq       = pxa27x_init_irq,
1261         .timer          = &pxa_timer,
1262         .init_machine   = em_x270_init,
1263 MACHINE_END