Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
[linux-2.6] / 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/delay.h>
32
33 #include <media/soc_camera.h>
34
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37
38 #include <mach/pxa27x.h>
39 #include <mach/pxa27x-udc.h>
40 #include <mach/audio.h>
41 #include <mach/pxafb.h>
42 #include <mach/ohci.h>
43 #include <mach/mmc.h>
44 #include <mach/pxa27x_keypad.h>
45 #include <mach/i2c.h>
46 #include <mach/camera.h>
47 #include <mach/pxa2xx_spi.h>
48
49 #include "generic.h"
50 #include "devices.h"
51
52 /* EM-X270 specific GPIOs */
53 #define GPIO13_MMC_CD           (13)
54 #define GPIO95_MMC_WP           (95)
55 #define GPIO56_NAND_RB          (56)
56
57 /* eXeda specific GPIOs */
58 #define GPIO114_MMC_CD          (114)
59 #define GPIO20_NAND_RB          (20)
60 #define GPIO38_SD_PWEN          (38)
61
62 /* common  GPIOs */
63 #define GPIO11_NAND_CS          (11)
64 #define GPIO93_CAM_RESET        (93)
65 #define GPIO41_ETHIRQ           (41)
66 #define EM_X270_ETHIRQ          IRQ_GPIO(GPIO41_ETHIRQ)
67 #define GPIO115_WLAN_PWEN       (115)
68 #define GPIO19_WLAN_STRAP       (19)
69
70 static int mmc_cd;
71 static int nand_rb;
72 static int dm9000_flags;
73
74 static unsigned long common_pin_config[] = {
75         /* AC'97 */
76         GPIO28_AC97_BITCLK,
77         GPIO29_AC97_SDATA_IN_0,
78         GPIO30_AC97_SDATA_OUT,
79         GPIO31_AC97_SYNC,
80         GPIO98_AC97_SYSCLK,
81         GPIO113_AC97_nRESET,
82
83         /* BTUART */
84         GPIO42_BTUART_RXD,
85         GPIO43_BTUART_TXD,
86         GPIO44_BTUART_CTS,
87         GPIO45_BTUART_RTS,
88
89         /* STUART */
90         GPIO46_STUART_RXD,
91         GPIO47_STUART_TXD,
92
93         /* MCI controller */
94         GPIO32_MMC_CLK,
95         GPIO112_MMC_CMD,
96         GPIO92_MMC_DAT_0,
97         GPIO109_MMC_DAT_1,
98         GPIO110_MMC_DAT_2,
99         GPIO111_MMC_DAT_3,
100
101         /* LCD */
102         GPIO58_LCD_LDD_0,
103         GPIO59_LCD_LDD_1,
104         GPIO60_LCD_LDD_2,
105         GPIO61_LCD_LDD_3,
106         GPIO62_LCD_LDD_4,
107         GPIO63_LCD_LDD_5,
108         GPIO64_LCD_LDD_6,
109         GPIO65_LCD_LDD_7,
110         GPIO66_LCD_LDD_8,
111         GPIO67_LCD_LDD_9,
112         GPIO68_LCD_LDD_10,
113         GPIO69_LCD_LDD_11,
114         GPIO70_LCD_LDD_12,
115         GPIO71_LCD_LDD_13,
116         GPIO72_LCD_LDD_14,
117         GPIO73_LCD_LDD_15,
118         GPIO74_LCD_FCLK,
119         GPIO75_LCD_LCLK,
120         GPIO76_LCD_PCLK,
121         GPIO77_LCD_BIAS,
122
123         /* QCI */
124         GPIO84_CIF_FV,
125         GPIO25_CIF_LV,
126         GPIO53_CIF_MCLK,
127         GPIO54_CIF_PCLK,
128         GPIO81_CIF_DD_0,
129         GPIO55_CIF_DD_1,
130         GPIO51_CIF_DD_2,
131         GPIO50_CIF_DD_3,
132         GPIO52_CIF_DD_4,
133         GPIO48_CIF_DD_5,
134         GPIO17_CIF_DD_6,
135         GPIO12_CIF_DD_7,
136
137         /* I2C */
138         GPIO117_I2C_SCL,
139         GPIO118_I2C_SDA,
140
141         /* Keypad */
142         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
143         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
144         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
145         GPIO34_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
146         GPIO39_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
147         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
148         GPIO91_KP_MKIN_6        | WAKEUP_ON_LEVEL_HIGH,
149         GPIO36_KP_MKIN_7        | WAKEUP_ON_LEVEL_HIGH,
150         GPIO103_KP_MKOUT_0,
151         GPIO104_KP_MKOUT_1,
152         GPIO105_KP_MKOUT_2,
153         GPIO106_KP_MKOUT_3,
154         GPIO107_KP_MKOUT_4,
155         GPIO108_KP_MKOUT_5,
156         GPIO96_KP_MKOUT_6,
157         GPIO22_KP_MKOUT_7,
158
159         /* SSP1 */
160         GPIO26_SSP1_RXD,
161         GPIO23_SSP1_SCLK,
162         GPIO24_SSP1_SFRM,
163         GPIO57_SSP1_TXD,
164
165         /* SSP2 */
166         GPIO19_GPIO,    /* SSP2 clock is used as GPIO for Libertas pin-strap */
167         GPIO14_GPIO,
168         GPIO89_SSP2_TXD,
169         GPIO88_SSP2_RXD,
170
171         /* SDRAM and local bus */
172         GPIO15_nCS_1,
173         GPIO78_nCS_2,
174         GPIO79_nCS_3,
175         GPIO80_nCS_4,
176         GPIO49_nPWE,
177         GPIO18_RDY,
178
179         /* GPIO */
180         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* sleep/resume button */
181
182         /* power controls */
183         GPIO20_GPIO     | MFP_LPM_DRIVE_LOW,    /* GPRS_PWEN */
184         GPIO93_GPIO     | MFP_LPM_DRIVE_LOW,    /* Camera reset */
185         GPIO115_GPIO    | MFP_LPM_DRIVE_LOW,    /* WLAN_PWEN */
186
187         /* NAND controls */
188         GPIO11_GPIO     | MFP_LPM_DRIVE_HIGH,   /* NAND CE# */
189
190         /* interrupts */
191         GPIO41_GPIO,    /* DM9000 interrupt */
192 };
193
194 static unsigned long em_x270_pin_config[] = {
195         GPIO13_GPIO,    /* MMC card detect */
196         GPIO56_GPIO,    /* NAND Ready/Busy */
197         GPIO95_GPIO,    /* MMC Write protect */
198 };
199
200 static unsigned long exeda_pin_config[] = {
201         GPIO20_GPIO,                            /* NAND Ready/Busy */
202         GPIO38_GPIO     | MFP_LPM_DRIVE_LOW,    /* SD slot power */
203         GPIO114_GPIO,                           /* MMC card detect */
204 };
205
206 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
207 static struct resource em_x270_dm9000_resource[] = {
208         [0] = {
209                 .start = PXA_CS2_PHYS,
210                 .end   = PXA_CS2_PHYS + 3,
211                 .flags = IORESOURCE_MEM,
212         },
213         [1] = {
214                 .start = PXA_CS2_PHYS + 8,
215                 .end   = PXA_CS2_PHYS + 8 + 0x3f,
216                 .flags = IORESOURCE_MEM,
217         },
218         [2] = {
219                 .start = EM_X270_ETHIRQ,
220                 .end   = EM_X270_ETHIRQ,
221                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
222         }
223 };
224
225 static struct dm9000_plat_data em_x270_dm9000_platdata = {
226         .flags          = DM9000_PLATF_NO_EEPROM,
227 };
228
229 static struct platform_device em_x270_dm9000 = {
230         .name           = "dm9000",
231         .id             = 0,
232         .num_resources  = ARRAY_SIZE(em_x270_dm9000_resource),
233         .resource       = em_x270_dm9000_resource,
234         .dev            = {
235                 .platform_data = &em_x270_dm9000_platdata,
236         }
237 };
238
239 static void __init em_x270_init_dm9000(void)
240 {
241         em_x270_dm9000_platdata.flags |= dm9000_flags;
242         platform_device_register(&em_x270_dm9000);
243 }
244 #else
245 static inline void em_x270_init_dm9000(void) {}
246 #endif
247
248 /* V3020 RTC */
249 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
250 static struct resource em_x270_v3020_resource[] = {
251         [0] = {
252                 .start = PXA_CS4_PHYS,
253                 .end   = PXA_CS4_PHYS + 3,
254                 .flags = IORESOURCE_MEM,
255         },
256 };
257
258 static struct v3020_platform_data em_x270_v3020_platdata = {
259         .leftshift = 0,
260 };
261
262 static struct platform_device em_x270_rtc = {
263         .name           = "v3020",
264         .num_resources  = ARRAY_SIZE(em_x270_v3020_resource),
265         .resource       = em_x270_v3020_resource,
266         .id             = -1,
267         .dev            = {
268                 .platform_data = &em_x270_v3020_platdata,
269         }
270 };
271
272 static void __init em_x270_init_rtc(void)
273 {
274         platform_device_register(&em_x270_rtc);
275 }
276 #else
277 static inline void em_x270_init_rtc(void) {}
278 #endif
279
280 /* NAND flash */
281 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
282 static inline void nand_cs_on(void)
283 {
284         gpio_set_value(GPIO11_NAND_CS, 0);
285 }
286
287 static void nand_cs_off(void)
288 {
289         dsb();
290
291         gpio_set_value(GPIO11_NAND_CS, 1);
292 }
293
294 /* hardware specific access to control-lines */
295 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
296                                  unsigned int ctrl)
297 {
298         struct nand_chip *this = mtd->priv;
299         unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
300
301         dsb();
302
303         if (ctrl & NAND_CTRL_CHANGE) {
304                 if (ctrl & NAND_ALE)
305                         nandaddr |=  (1 << 3);
306                 else
307                         nandaddr &= ~(1 << 3);
308                 if (ctrl & NAND_CLE)
309                         nandaddr |=  (1 << 2);
310                 else
311                         nandaddr &= ~(1 << 2);
312                 if (ctrl & NAND_NCE)
313                         nand_cs_on();
314                 else
315                         nand_cs_off();
316         }
317
318         dsb();
319         this->IO_ADDR_W = (void __iomem *)nandaddr;
320         if (dat != NAND_CMD_NONE)
321                 writel(dat, this->IO_ADDR_W);
322
323         dsb();
324 }
325
326 /* read device ready pin */
327 static int em_x270_nand_device_ready(struct mtd_info *mtd)
328 {
329         dsb();
330
331         return gpio_get_value(nand_rb);
332 }
333
334 static struct mtd_partition em_x270_partition_info[] = {
335         [0] = {
336                 .name   = "em_x270-0",
337                 .offset = 0,
338                 .size   = SZ_4M,
339         },
340         [1] = {
341                 .name   = "em_x270-1",
342                 .offset = MTDPART_OFS_APPEND,
343                 .size   = MTDPART_SIZ_FULL
344         },
345 };
346
347 static const char *em_x270_part_probes[] = { "cmdlinepart", NULL };
348
349 struct platform_nand_data em_x270_nand_platdata = {
350         .chip = {
351                 .nr_chips = 1,
352                 .chip_offset = 0,
353                 .nr_partitions = ARRAY_SIZE(em_x270_partition_info),
354                 .partitions = em_x270_partition_info,
355                 .chip_delay = 20,
356                 .part_probe_types = em_x270_part_probes,
357         },
358         .ctrl = {
359                 .hwcontrol = 0,
360                 .dev_ready = em_x270_nand_device_ready,
361                 .select_chip = 0,
362                 .cmd_ctrl = em_x270_nand_cmd_ctl,
363         },
364 };
365
366 static struct resource em_x270_nand_resource[] = {
367         [0] = {
368                 .start = PXA_CS1_PHYS,
369                 .end   = PXA_CS1_PHYS + 12,
370                 .flags = IORESOURCE_MEM,
371         },
372 };
373
374 static struct platform_device em_x270_nand = {
375         .name           = "gen_nand",
376         .num_resources  = ARRAY_SIZE(em_x270_nand_resource),
377         .resource       = em_x270_nand_resource,
378         .id             = -1,
379         .dev            = {
380                 .platform_data = &em_x270_nand_platdata,
381         }
382 };
383
384 static void __init em_x270_init_nand(void)
385 {
386         int err;
387
388         err = gpio_request(GPIO11_NAND_CS, "NAND CS");
389         if (err) {
390                 pr_warning("EM-X270: failed to request NAND CS gpio\n");
391                 return;
392         }
393
394         gpio_direction_output(GPIO11_NAND_CS, 1);
395
396         err = gpio_request(nand_rb, "NAND R/B");
397         if (err) {
398                 pr_warning("EM-X270: failed to request NAND R/B gpio\n");
399                 gpio_free(GPIO11_NAND_CS);
400                 return;
401         }
402
403         gpio_direction_input(nand_rb);
404
405         platform_device_register(&em_x270_nand);
406 }
407 #else
408 static inline void em_x270_init_nand(void) {}
409 #endif
410
411 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
412 static struct mtd_partition em_x270_nor_parts[] = {
413         {
414                 .name =         "Bootloader",
415                 .offset =       0x00000000,
416                 .size =         0x00050000,
417                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
418         }, {
419                 .name =         "Environment",
420                 .offset =       0x00050000,
421                 .size =         0x00010000,
422         }, {
423                 .name =         "Reserved",
424                 .offset =       0x00060000,
425                 .size =         0x00050000,
426                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
427         }, {
428                 .name =         "Splashscreen",
429                 .offset =       0x000b0000,
430                 .size =         0x00050000,
431         }
432 };
433
434 static struct physmap_flash_data em_x270_nor_data[] = {
435         [0] = {
436                 .width = 2,
437                 .parts = em_x270_nor_parts,
438                 .nr_parts = ARRAY_SIZE(em_x270_nor_parts),
439         },
440 };
441
442 static struct resource em_x270_nor_flash_resource = {
443         .start  = PXA_CS0_PHYS,
444         .end    = PXA_CS0_PHYS + SZ_1M - 1,
445         .flags  = IORESOURCE_MEM,
446 };
447
448 static struct platform_device em_x270_physmap_flash = {
449         .name           = "physmap-flash",
450         .id             = 0,
451         .num_resources  = 1,
452         .resource       = &em_x270_nor_flash_resource,
453         .dev            = {
454                 .platform_data  = &em_x270_nor_data,
455         },
456 };
457
458 static void __init em_x270_init_nor(void)
459 {
460         platform_device_register(&em_x270_physmap_flash);
461 }
462 #else
463 static inline void em_x270_init_nor(void) {}
464 #endif
465
466 /* PXA27x OHCI controller setup */
467 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
468 static int em_x270_ohci_init(struct device *dev)
469 {
470         /* enable port 2 transiever */
471         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
472
473         return 0;
474 }
475
476 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
477         .port_mode      = PMM_PERPORT_MODE,
478         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
479         .init           = em_x270_ohci_init,
480 };
481
482 static void __init em_x270_init_ohci(void)
483 {
484         pxa_set_ohci_info(&em_x270_ohci_platform_data);
485 }
486 #else
487 static inline void em_x270_init_ohci(void) {}
488 #endif
489
490 /* MCI controller setup */
491 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
492 static struct regulator *em_x270_sdio_ldo;
493
494 static int em_x270_mci_init(struct device *dev,
495                             irq_handler_t em_x270_detect_int,
496                             void *data)
497 {
498         int err;
499
500         em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
501         if (IS_ERR(em_x270_sdio_ldo)) {
502                 dev_err(dev, "can't request SDIO power supply: %ld\n",
503                         PTR_ERR(em_x270_sdio_ldo));
504                 return PTR_ERR(em_x270_sdio_ldo);
505         }
506
507         err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
508                               IRQF_DISABLED | IRQF_TRIGGER_RISING |
509                               IRQF_TRIGGER_FALLING,
510                               "MMC card detect", data);
511         if (err) {
512                 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
513                 goto err_irq;
514         }
515
516         if (machine_is_em_x270()) {
517                 err = gpio_request(GPIO95_MMC_WP, "MMC WP");
518                 if (err) {
519                         dev_err(dev, "can't request MMC write protect: %d\n",
520                                 err);
521                         goto err_gpio_wp;
522                 }
523                 gpio_direction_input(GPIO95_MMC_WP);
524         } else {
525                 err = gpio_request(GPIO38_SD_PWEN, "sdio power");
526                 if (err) {
527                         dev_err(dev, "can't request MMC power control : %d\n",
528                                 err);
529                         goto err_gpio_wp;
530                 }
531                 gpio_direction_output(GPIO38_SD_PWEN, 1);
532         }
533
534         return 0;
535
536 err_gpio_wp:
537         free_irq(gpio_to_irq(mmc_cd), data);
538 err_irq:
539         regulator_put(em_x270_sdio_ldo);
540
541         return err;
542 }
543
544 static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
545 {
546         struct pxamci_platform_data* p_d = dev->platform_data;
547
548         if ((1 << vdd) & p_d->ocr_mask) {
549                 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
550
551                 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
552                 regulator_enable(em_x270_sdio_ldo);
553         } else {
554                 regulator_disable(em_x270_sdio_ldo);
555         }
556 }
557
558 static void em_x270_mci_exit(struct device *dev, void *data)
559 {
560         free_irq(gpio_to_irq(mmc_cd), data);
561         regulator_put(em_x270_sdio_ldo);
562
563         if (machine_is_em_x270())
564                 gpio_free(GPIO95_MMC_WP);
565         else
566                 gpio_free(GPIO38_SD_PWEN);
567 }
568
569 static int em_x270_mci_get_ro(struct device *dev)
570 {
571         return gpio_get_value(GPIO95_MMC_WP);
572 }
573
574 static struct pxamci_platform_data em_x270_mci_platform_data = {
575         .ocr_mask       = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
576                           MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
577                           MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
578                           MMC_VDD_30_31|MMC_VDD_31_32,
579         .init           = em_x270_mci_init,
580         .setpower       = em_x270_mci_setpower,
581         .exit           = em_x270_mci_exit,
582 };
583
584 static void __init em_x270_init_mmc(void)
585 {
586         if (machine_is_em_x270())
587                 em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
588
589         em_x270_mci_platform_data.detect_delay  = msecs_to_jiffies(250);
590         pxa_set_mci_info(&em_x270_mci_platform_data);
591 }
592 #else
593 static inline void em_x270_init_mmc(void) {}
594 #endif
595
596 /* LCD */
597 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
598 static struct pxafb_mode_info em_x270_lcd_modes[] = {
599         [0] = {
600                 .pixclock       = 38250,
601                 .bpp            = 16,
602                 .xres           = 480,
603                 .yres           = 640,
604                 .hsync_len      = 8,
605                 .vsync_len      = 2,
606                 .left_margin    = 8,
607                 .upper_margin   = 2,
608                 .right_margin   = 24,
609                 .lower_margin   = 4,
610                 .sync           = 0,
611         },
612         [1] = {
613                 .pixclock       = 153800,
614                 .bpp            = 16,
615                 .xres           = 240,
616                 .yres           = 320,
617                 .hsync_len      = 8,
618                 .vsync_len      = 2,
619                 .left_margin    = 8,
620                 .upper_margin   = 2,
621                 .right_margin   = 88,
622                 .lower_margin   = 2,
623                 .sync           = 0,
624         },
625 };
626
627 static struct pxafb_mach_info em_x270_lcd = {
628         .modes          = em_x270_lcd_modes,
629         .num_modes      = 2,
630         .lcd_conn       = LCD_COLOR_TFT_16BPP,
631 };
632
633 static void __init em_x270_init_lcd(void)
634 {
635         set_pxa_fb_info(&em_x270_lcd);
636 }
637 #else
638 static inline void em_x270_init_lcd(void) {}
639 #endif
640
641 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
642 static struct pxa2xx_spi_master em_x270_spi_info = {
643         .num_chipselect = 1,
644 };
645
646 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
647         .rx_threshold = 1,
648         .tx_threshold = 1,
649 };
650
651 static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
652         .model = TDO35S,
653 };
654
655 static struct pxa2xx_spi_master em_x270_spi_2_info = {
656         .num_chipselect = 1,
657         .enable_dma     = 1,
658 };
659
660 static struct pxa2xx_spi_chip em_x270_libertas_chip = {
661         .rx_threshold   = 1,
662         .tx_threshold   = 1,
663         .timeout        = 1000,
664 };
665
666 static unsigned long em_x270_libertas_pin_config[] = {
667         /* SSP2 */
668         GPIO19_SSP2_SCLK,
669         GPIO14_GPIO,
670         GPIO89_SSP2_TXD,
671         GPIO88_SSP2_RXD,
672 };
673
674 static int em_x270_libertas_setup(struct spi_device *spi)
675 {
676         int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN");
677         if (err)
678                 return err;
679
680         gpio_direction_output(GPIO19_WLAN_STRAP, 1);
681         mdelay(100);
682
683         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
684
685         gpio_direction_output(GPIO115_WLAN_PWEN, 0);
686         mdelay(100);
687         gpio_set_value(GPIO115_WLAN_PWEN, 1);
688         mdelay(100);
689
690         spi->bits_per_word = 16;
691         spi_setup(spi);
692
693         return 0;
694 }
695
696 static int em_x270_libertas_teardown(struct spi_device *spi)
697 {
698         gpio_set_value(GPIO115_WLAN_PWEN, 0);
699         gpio_free(GPIO115_WLAN_PWEN);
700
701         return 0;
702 }
703
704 struct libertas_spi_platform_data em_x270_libertas_pdata = {
705         .use_dummy_writes       = 1,
706         .gpio_cs                = 14,
707         .setup                  = em_x270_libertas_setup,
708         .teardown               = em_x270_libertas_teardown,
709 };
710
711 static struct spi_board_info em_x270_spi_devices[] __initdata = {
712         {
713                 .modalias               = "tdo24m",
714                 .max_speed_hz           = 1000000,
715                 .bus_num                = 1,
716                 .chip_select            = 0,
717                 .controller_data        = &em_x270_tdo24m_chip,
718                 .platform_data          = &em_x270_tdo24m_pdata,
719         },
720         {
721                 .modalias               = "libertas_spi",
722                 .max_speed_hz           = 13000000,
723                 .bus_num                = 2,
724                 .irq                    = IRQ_GPIO(116),
725                 .chip_select            = 0,
726                 .controller_data        = &em_x270_libertas_chip,
727                 .platform_data          = &em_x270_libertas_pdata,
728         },
729 };
730
731 static void __init em_x270_init_spi(void)
732 {
733         pxa2xx_set_spi_info(1, &em_x270_spi_info);
734         pxa2xx_set_spi_info(2, &em_x270_spi_2_info);
735         spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
736 }
737 #else
738 static inline void em_x270_init_spi(void) {}
739 #endif
740
741 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
742 static void __init em_x270_init_ac97(void)
743 {
744         pxa_set_ac97_info(NULL);
745 }
746 #else
747 static inline void em_x270_init_ac97(void) {}
748 #endif
749
750 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
751 static unsigned int em_x270_module_matrix_keys[] = {
752         KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
753         KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
754         KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
755 };
756
757 struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
758         /* code map for the matrix keys */
759         .matrix_key_rows        = 3,
760         .matrix_key_cols        = 3,
761         .matrix_key_map         = em_x270_module_matrix_keys,
762         .matrix_key_map_size    = ARRAY_SIZE(em_x270_module_matrix_keys),
763 };
764
765 static unsigned int em_x270_exeda_matrix_keys[] = {
766         KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
767         KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
768         KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
769         KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
770
771         KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
772         KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
773         KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
774         KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
775
776         KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
777         KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
778         KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
779         KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
780
781         KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
782         KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
783         KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
784         KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
785
786         KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
787         KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
788         KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
789         KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
790
791         KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
792         KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
793         KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
794         KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
795
796         KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
797         KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
798         KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
799         KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
800
801         KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
802         KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
803         KEY(7, 4, 0), KEY(7, 5, 0),
804         KEY(7, 6, 0), KEY(7, 7, 0),
805 };
806
807 struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
808         /* code map for the matrix keys */
809         .matrix_key_rows        = 8,
810         .matrix_key_cols        = 8,
811         .matrix_key_map         = em_x270_exeda_matrix_keys,
812         .matrix_key_map_size    = ARRAY_SIZE(em_x270_exeda_matrix_keys),
813 };
814
815 static void __init em_x270_init_keypad(void)
816 {
817         if (machine_is_em_x270())
818                 pxa_set_keypad_info(&em_x270_module_keypad_info);
819         else
820                 pxa_set_keypad_info(&em_x270_exeda_keypad_info);
821 }
822 #else
823 static inline void em_x270_init_keypad(void) {}
824 #endif
825
826 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
827 static struct gpio_keys_button gpio_keys_button[] = {
828         [0] = {
829                 .desc   = "sleep/wakeup",
830                 .code   = KEY_SUSPEND,
831                 .type   = EV_PWR,
832                 .gpio   = 1,
833                 .wakeup = 1,
834         },
835 };
836
837 static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
838         .buttons        = gpio_keys_button,
839         .nbuttons       = 1,
840 };
841
842 static struct platform_device em_x270_gpio_keys = {
843         .name           = "gpio-keys",
844         .id             = -1,
845         .dev            = {
846                 .platform_data  = &em_x270_gpio_keys_data,
847         },
848 };
849
850 static void __init em_x270_init_gpio_keys(void)
851 {
852         platform_device_register(&em_x270_gpio_keys);
853 }
854 #else
855 static inline void em_x270_init_gpio_keys(void) {}
856 #endif
857
858 /* Quick Capture Interface and sensor setup */
859 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
860 static struct regulator *em_x270_camera_ldo;
861
862 static int em_x270_sensor_init(struct device *dev)
863 {
864         int ret;
865
866         ret = gpio_request(GPIO93_CAM_RESET, "camera reset");
867         if (ret)
868                 return ret;
869
870         gpio_direction_output(GPIO93_CAM_RESET, 0);
871
872         em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
873         if (em_x270_camera_ldo == NULL) {
874                 gpio_free(GPIO93_CAM_RESET);
875                 return -ENODEV;
876         }
877
878         ret = regulator_enable(em_x270_camera_ldo);
879         if (ret) {
880                 regulator_put(em_x270_camera_ldo);
881                 gpio_free(GPIO93_CAM_RESET);
882                 return ret;
883         }
884
885         gpio_set_value(GPIO93_CAM_RESET, 1);
886
887         return 0;
888 }
889
890 struct pxacamera_platform_data em_x270_camera_platform_data = {
891         .init   = em_x270_sensor_init,
892         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
893                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
894         .mclk_10khz = 2600,
895 };
896
897 static int em_x270_sensor_power(struct device *dev, int on)
898 {
899         int ret;
900         int is_on = regulator_is_enabled(em_x270_camera_ldo);
901
902         if (on == is_on)
903                 return 0;
904
905         gpio_set_value(GPIO93_CAM_RESET, !on);
906
907         if (on)
908                 ret = regulator_enable(em_x270_camera_ldo);
909         else
910                 ret = regulator_disable(em_x270_camera_ldo);
911
912         if (ret)
913                 return ret;
914
915         gpio_set_value(GPIO93_CAM_RESET, on);
916
917         return 0;
918 }
919
920 static struct soc_camera_link iclink = {
921         .bus_id = 0,
922         .power = em_x270_sensor_power,
923 };
924
925 static struct i2c_board_info em_x270_i2c_cam_info[] = {
926         {
927                 I2C_BOARD_INFO("mt9m111", 0x48),
928                 .platform_data = &iclink,
929         },
930 };
931
932 static struct i2c_pxa_platform_data em_x270_i2c_info = {
933         .fast_mode = 1,
934 };
935
936 static void  __init em_x270_init_camera(void)
937 {
938         pxa_set_i2c_info(&em_x270_i2c_info);
939         i2c_register_board_info(0, ARRAY_AND_SIZE(em_x270_i2c_cam_info));
940         pxa_set_camera_info(&em_x270_camera_platform_data);
941 }
942 #else
943 static inline void em_x270_init_camera(void) {}
944 #endif
945
946 /* DA9030 related initializations */
947 #define REGULATOR_CONSUMER(_name, _dev, _supply)                               \
948         static struct regulator_consumer_supply _name##_consumers[] = { \
949                 {                                                       \
950                         .dev = _dev,                                    \
951                         .supply = _supply,                              \
952                 },                                                      \
953         }
954
955 REGULATOR_CONSUMER(ldo3, NULL, "vcc gps");
956 REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
957 REGULATOR_CONSUMER(ldo10, &pxa_device_mci.dev, "vcc sdio");
958 REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
959 REGULATOR_CONSUMER(ldo19, NULL, "vcc gprs");
960
961 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)               \
962         static struct regulator_init_data _ldo##_data = {               \
963                 .constraints = {                                        \
964                         .min_uV = _min_uV,                              \
965                         .max_uV = _max_uV,                              \
966                         .state_mem = {                                  \
967                                 .enabled = 0,                           \
968                         },                                              \
969                         .valid_ops_mask = _ops_mask,                    \
970                 },                                                      \
971                 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),  \
972                 .consumer_supplies = _ldo##_consumers,                  \
973         };
974
975 REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
976 REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
977 REGULATOR_INIT(ldo10, 2000000, 3200000,
978                REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
979 REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
980 REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
981
982 struct led_info em_x270_led_info = {
983         .name = "em-x270:orange",
984         .default_trigger = "battery-charging-or-full",
985 };
986
987 struct power_supply_info em_x270_psy_info = {
988         .name = "LP555597P6H-FPS",
989         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
990         .voltage_max_design = 4200000,
991         .voltage_min_design = 3000000,
992         .use_for_apm = 1,
993 };
994
995 static void em_x270_battery_low(void)
996 {
997         apm_queue_event(APM_LOW_BATTERY);
998 }
999
1000 static void em_x270_battery_critical(void)
1001 {
1002         apm_queue_event(APM_CRITICAL_SUSPEND);
1003 }
1004
1005 struct da9030_battery_info em_x270_batterty_info = {
1006         .battery_info = &em_x270_psy_info,
1007
1008         .charge_milliamp = 1000,
1009         .charge_millivolt = 4200,
1010
1011         .vbat_low = 3600,
1012         .vbat_crit = 3400,
1013         .vbat_charge_start = 4100,
1014         .vbat_charge_stop = 4200,
1015         .vbat_charge_restart = 4000,
1016
1017         .vcharge_min = 3200,
1018         .vcharge_max = 5500,
1019
1020         .tbat_low = 197,
1021         .tbat_high = 78,
1022         .tbat_restart = 100,
1023
1024         .batmon_interval = 0,
1025
1026         .battery_low = em_x270_battery_low,
1027         .battery_critical = em_x270_battery_critical,
1028 };
1029
1030 #define DA9030_SUBDEV(_name, _id, _pdata)       \
1031         {                                       \
1032                 .name = "da903x-" #_name,       \
1033                 .id = DA9030_ID_##_id,          \
1034                 .platform_data = _pdata,        \
1035         }
1036
1037 #define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
1038
1039 struct da903x_subdev_info em_x270_da9030_subdevs[] = {
1040         DA9030_LDO(3),
1041         DA9030_LDO(5),
1042         DA9030_LDO(10),
1043         DA9030_LDO(12),
1044         DA9030_LDO(19),
1045
1046         DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
1047         DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
1048         DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
1049 };
1050
1051 static struct da903x_platform_data em_x270_da9030_info = {
1052         .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
1053         .subdevs = em_x270_da9030_subdevs,
1054 };
1055
1056 static struct i2c_board_info em_x270_i2c_pmic_info = {
1057         I2C_BOARD_INFO("da9030", 0x49),
1058         .irq = IRQ_GPIO(0),
1059         .platform_data = &em_x270_da9030_info,
1060 };
1061
1062 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
1063         .use_pio = 1,
1064 };
1065
1066 static void __init em_x270_init_da9030(void)
1067 {
1068         pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
1069         i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
1070 }
1071
1072 static void __init em_x270_module_init(void)
1073 {
1074         pr_info("%s\n", __func__);
1075         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
1076
1077         mmc_cd = GPIO13_MMC_CD;
1078         nand_rb = GPIO56_NAND_RB;
1079         dm9000_flags = DM9000_PLATF_32BITONLY;
1080 }
1081
1082 static void __init em_x270_exeda_init(void)
1083 {
1084         pr_info("%s\n", __func__);
1085         pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
1086
1087         mmc_cd = GPIO114_MMC_CD;
1088         nand_rb = GPIO20_NAND_RB;
1089         dm9000_flags = DM9000_PLATF_16BITONLY;
1090 }
1091
1092 static void __init em_x270_init(void)
1093 {
1094         pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
1095
1096         if (machine_is_em_x270())
1097                 em_x270_module_init();
1098         else if (machine_is_exeda())
1099                 em_x270_exeda_init();
1100         else
1101                 panic("Unsupported machine: %d\n", machine_arch_type);
1102
1103         em_x270_init_da9030();
1104         em_x270_init_dm9000();
1105         em_x270_init_rtc();
1106         em_x270_init_nand();
1107         em_x270_init_nor();
1108         em_x270_init_lcd();
1109         em_x270_init_mmc();
1110         em_x270_init_ohci();
1111         em_x270_init_keypad();
1112         em_x270_init_gpio_keys();
1113         em_x270_init_ac97();
1114         em_x270_init_camera();
1115         em_x270_init_spi();
1116 }
1117
1118 MACHINE_START(EM_X270, "Compulab EM-X270")
1119         .boot_params    = 0xa0000100,
1120         .phys_io        = 0x40000000,
1121         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1122         .map_io         = pxa_map_io,
1123         .init_irq       = pxa27x_init_irq,
1124         .timer          = &pxa_timer,
1125         .init_machine   = em_x270_init,
1126 MACHINE_END
1127
1128 MACHINE_START(EXEDA, "Compulab eXeda")
1129         .boot_params    = 0xa0000100,
1130         .phys_io        = 0x40000000,
1131         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1132         .map_io         = pxa_map_io,
1133         .init_irq       = pxa27x_init_irq,
1134         .timer          = &pxa_timer,
1135         .init_machine   = em_x270_init,
1136 MACHINE_END