Merge branch 'core/softlockup' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...
[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/power_supply.h>
29 #include <linux/apm-emulation.h>
30
31 #include <media/soc_camera.h>
32
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35
36 #include <mach/pxa27x.h>
37 #include <mach/pxa27x-udc.h>
38 #include <mach/audio.h>
39 #include <mach/pxafb.h>
40 #include <mach/ohci.h>
41 #include <mach/mmc.h>
42 #include <mach/pxa27x_keypad.h>
43 #include <mach/i2c.h>
44 #include <mach/camera.h>
45 #include <mach/pxa2xx_spi.h>
46
47 #include "generic.h"
48 #include "devices.h"
49
50 /* EM-X270 specific GPIOs */
51 #define GPIO13_MMC_CD           (13)
52 #define GPIO95_MMC_WP           (95)
53 #define GPIO56_NAND_RB          (56)
54
55 /* eXeda specific GPIOs */
56 #define GPIO114_MMC_CD          (114)
57 #define GPIO20_NAND_RB          (20)
58 #define GPIO38_SD_PWEN          (38)
59
60 /* common  GPIOs */
61 #define GPIO11_NAND_CS          (11)
62 #define GPIO93_CAM_RESET        (93)
63 #define GPIO41_ETHIRQ           (41)
64 #define EM_X270_ETHIRQ          IRQ_GPIO(GPIO41_ETHIRQ)
65
66 static int mmc_cd;
67 static int nand_rb;
68 static int dm9000_flags;
69
70 static unsigned long common_pin_config[] = {
71         /* AC'97 */
72         GPIO28_AC97_BITCLK,
73         GPIO29_AC97_SDATA_IN_0,
74         GPIO30_AC97_SDATA_OUT,
75         GPIO31_AC97_SYNC,
76         GPIO98_AC97_SYSCLK,
77         GPIO113_AC97_nRESET,
78
79         /* BTUART */
80         GPIO42_BTUART_RXD,
81         GPIO43_BTUART_TXD,
82         GPIO44_BTUART_CTS,
83         GPIO45_BTUART_RTS,
84
85         /* STUART */
86         GPIO46_STUART_RXD,
87         GPIO47_STUART_TXD,
88
89         /* MCI controller */
90         GPIO32_MMC_CLK,
91         GPIO112_MMC_CMD,
92         GPIO92_MMC_DAT_0,
93         GPIO109_MMC_DAT_1,
94         GPIO110_MMC_DAT_2,
95         GPIO111_MMC_DAT_3,
96
97         /* LCD */
98         GPIO58_LCD_LDD_0,
99         GPIO59_LCD_LDD_1,
100         GPIO60_LCD_LDD_2,
101         GPIO61_LCD_LDD_3,
102         GPIO62_LCD_LDD_4,
103         GPIO63_LCD_LDD_5,
104         GPIO64_LCD_LDD_6,
105         GPIO65_LCD_LDD_7,
106         GPIO66_LCD_LDD_8,
107         GPIO67_LCD_LDD_9,
108         GPIO68_LCD_LDD_10,
109         GPIO69_LCD_LDD_11,
110         GPIO70_LCD_LDD_12,
111         GPIO71_LCD_LDD_13,
112         GPIO72_LCD_LDD_14,
113         GPIO73_LCD_LDD_15,
114         GPIO74_LCD_FCLK,
115         GPIO75_LCD_LCLK,
116         GPIO76_LCD_PCLK,
117         GPIO77_LCD_BIAS,
118
119         /* QCI */
120         GPIO84_CIF_FV,
121         GPIO25_CIF_LV,
122         GPIO53_CIF_MCLK,
123         GPIO54_CIF_PCLK,
124         GPIO81_CIF_DD_0,
125         GPIO55_CIF_DD_1,
126         GPIO51_CIF_DD_2,
127         GPIO50_CIF_DD_3,
128         GPIO52_CIF_DD_4,
129         GPIO48_CIF_DD_5,
130         GPIO17_CIF_DD_6,
131         GPIO12_CIF_DD_7,
132
133         /* I2C */
134         GPIO117_I2C_SCL,
135         GPIO118_I2C_SDA,
136
137         /* Keypad */
138         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
139         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
140         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
141         GPIO34_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
142         GPIO39_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
143         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
144         GPIO91_KP_MKIN_6        | WAKEUP_ON_LEVEL_HIGH,
145         GPIO36_KP_MKIN_7        | WAKEUP_ON_LEVEL_HIGH,
146         GPIO103_KP_MKOUT_0,
147         GPIO104_KP_MKOUT_1,
148         GPIO105_KP_MKOUT_2,
149         GPIO106_KP_MKOUT_3,
150         GPIO107_KP_MKOUT_4,
151         GPIO108_KP_MKOUT_5,
152         GPIO96_KP_MKOUT_6,
153         GPIO22_KP_MKOUT_7,
154
155         /* SSP1 */
156         GPIO26_SSP1_RXD,
157         GPIO23_SSP1_SCLK,
158         GPIO24_SSP1_SFRM,
159         GPIO57_SSP1_TXD,
160
161         /* SSP2 */
162         GPIO19_SSP2_SCLK,
163         GPIO14_SSP2_SFRM,
164         GPIO89_SSP2_TXD,
165         GPIO88_SSP2_RXD,
166
167         /* SDRAM and local bus */
168         GPIO15_nCS_1,
169         GPIO78_nCS_2,
170         GPIO79_nCS_3,
171         GPIO80_nCS_4,
172         GPIO49_nPWE,
173         GPIO18_RDY,
174
175         /* GPIO */
176         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* sleep/resume button */
177
178         /* power controls */
179         GPIO20_GPIO     | MFP_LPM_DRIVE_LOW,    /* GPRS_PWEN */
180         GPIO93_GPIO     | MFP_LPM_DRIVE_LOW,    /* Camera reset */
181         GPIO115_GPIO    | MFP_LPM_DRIVE_LOW,    /* WLAN_PWEN */
182
183         /* NAND controls */
184         GPIO11_GPIO     | MFP_LPM_DRIVE_HIGH,   /* NAND CE# */
185
186         /* interrupts */
187         GPIO41_GPIO,    /* DM9000 interrupt */
188 };
189
190 static unsigned long em_x270_pin_config[] = {
191         GPIO13_GPIO,    /* MMC card detect */
192         GPIO56_GPIO,    /* NAND Ready/Busy */
193         GPIO95_GPIO,    /* MMC Write protect */
194 };
195
196 static unsigned long exeda_pin_config[] = {
197         GPIO20_GPIO,                            /* NAND Ready/Busy */
198         GPIO38_GPIO     | MFP_LPM_DRIVE_LOW,    /* SD slot power */
199         GPIO114_GPIO,                           /* MMC card detect */
200 };
201
202 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
203 static struct resource em_x270_dm9000_resource[] = {
204         [0] = {
205                 .start = PXA_CS2_PHYS,
206                 .end   = PXA_CS2_PHYS + 3,
207                 .flags = IORESOURCE_MEM,
208         },
209         [1] = {
210                 .start = PXA_CS2_PHYS + 8,
211                 .end   = PXA_CS2_PHYS + 8 + 0x3f,
212                 .flags = IORESOURCE_MEM,
213         },
214         [2] = {
215                 .start = EM_X270_ETHIRQ,
216                 .end   = EM_X270_ETHIRQ,
217                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
218         }
219 };
220
221 static struct dm9000_plat_data em_x270_dm9000_platdata = {
222         .flags          = DM9000_PLATF_NO_EEPROM,
223 };
224
225 static struct platform_device em_x270_dm9000 = {
226         .name           = "dm9000",
227         .id             = 0,
228         .num_resources  = ARRAY_SIZE(em_x270_dm9000_resource),
229         .resource       = em_x270_dm9000_resource,
230         .dev            = {
231                 .platform_data = &em_x270_dm9000_platdata,
232         }
233 };
234
235 static void __init em_x270_init_dm9000(void)
236 {
237         em_x270_dm9000_platdata.flags |= dm9000_flags;
238         platform_device_register(&em_x270_dm9000);
239 }
240 #else
241 static inline void em_x270_init_dm9000(void) {}
242 #endif
243
244 /* V3020 RTC */
245 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
246 static struct resource em_x270_v3020_resource[] = {
247         [0] = {
248                 .start = PXA_CS4_PHYS,
249                 .end   = PXA_CS4_PHYS + 3,
250                 .flags = IORESOURCE_MEM,
251         },
252 };
253
254 static struct v3020_platform_data em_x270_v3020_platdata = {
255         .leftshift = 0,
256 };
257
258 static struct platform_device em_x270_rtc = {
259         .name           = "v3020",
260         .num_resources  = ARRAY_SIZE(em_x270_v3020_resource),
261         .resource       = em_x270_v3020_resource,
262         .id             = -1,
263         .dev            = {
264                 .platform_data = &em_x270_v3020_platdata,
265         }
266 };
267
268 static void __init em_x270_init_rtc(void)
269 {
270         platform_device_register(&em_x270_rtc);
271 }
272 #else
273 static inline void em_x270_init_rtc(void) {}
274 #endif
275
276 /* NAND flash */
277 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
278 static inline void nand_cs_on(void)
279 {
280         gpio_set_value(GPIO11_NAND_CS, 0);
281 }
282
283 static void nand_cs_off(void)
284 {
285         dsb();
286
287         gpio_set_value(GPIO11_NAND_CS, 1);
288 }
289
290 /* hardware specific access to control-lines */
291 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
292                                  unsigned int ctrl)
293 {
294         struct nand_chip *this = mtd->priv;
295         unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
296
297         dsb();
298
299         if (ctrl & NAND_CTRL_CHANGE) {
300                 if (ctrl & NAND_ALE)
301                         nandaddr |=  (1 << 3);
302                 else
303                         nandaddr &= ~(1 << 3);
304                 if (ctrl & NAND_CLE)
305                         nandaddr |=  (1 << 2);
306                 else
307                         nandaddr &= ~(1 << 2);
308                 if (ctrl & NAND_NCE)
309                         nand_cs_on();
310                 else
311                         nand_cs_off();
312         }
313
314         dsb();
315         this->IO_ADDR_W = (void __iomem *)nandaddr;
316         if (dat != NAND_CMD_NONE)
317                 writel(dat, this->IO_ADDR_W);
318
319         dsb();
320 }
321
322 /* read device ready pin */
323 static int em_x270_nand_device_ready(struct mtd_info *mtd)
324 {
325         dsb();
326
327         return gpio_get_value(nand_rb);
328 }
329
330 static struct mtd_partition em_x270_partition_info[] = {
331         [0] = {
332                 .name   = "em_x270-0",
333                 .offset = 0,
334                 .size   = SZ_4M,
335         },
336         [1] = {
337                 .name   = "em_x270-1",
338                 .offset = MTDPART_OFS_APPEND,
339                 .size   = MTDPART_SIZ_FULL
340         },
341 };
342
343 static const char *em_x270_part_probes[] = { "cmdlinepart", NULL };
344
345 struct platform_nand_data em_x270_nand_platdata = {
346         .chip = {
347                 .nr_chips = 1,
348                 .chip_offset = 0,
349                 .nr_partitions = ARRAY_SIZE(em_x270_partition_info),
350                 .partitions = em_x270_partition_info,
351                 .chip_delay = 20,
352                 .part_probe_types = em_x270_part_probes,
353         },
354         .ctrl = {
355                 .hwcontrol = 0,
356                 .dev_ready = em_x270_nand_device_ready,
357                 .select_chip = 0,
358                 .cmd_ctrl = em_x270_nand_cmd_ctl,
359         },
360 };
361
362 static struct resource em_x270_nand_resource[] = {
363         [0] = {
364                 .start = PXA_CS1_PHYS,
365                 .end   = PXA_CS1_PHYS + 12,
366                 .flags = IORESOURCE_MEM,
367         },
368 };
369
370 static struct platform_device em_x270_nand = {
371         .name           = "gen_nand",
372         .num_resources  = ARRAY_SIZE(em_x270_nand_resource),
373         .resource       = em_x270_nand_resource,
374         .id             = -1,
375         .dev            = {
376                 .platform_data = &em_x270_nand_platdata,
377         }
378 };
379
380 static void __init em_x270_init_nand(void)
381 {
382         int err;
383
384         err = gpio_request(GPIO11_NAND_CS, "NAND CS");
385         if (err) {
386                 pr_warning("EM-X270: failed to request NAND CS gpio\n");
387                 return;
388         }
389
390         gpio_direction_output(GPIO11_NAND_CS, 1);
391
392         err = gpio_request(nand_rb, "NAND R/B");
393         if (err) {
394                 pr_warning("EM-X270: failed to request NAND R/B gpio\n");
395                 gpio_free(GPIO11_NAND_CS);
396                 return;
397         }
398
399         gpio_direction_input(nand_rb);
400
401         platform_device_register(&em_x270_nand);
402 }
403 #else
404 static inline void em_x270_init_nand(void) {}
405 #endif
406
407 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
408 static struct mtd_partition em_x270_nor_parts[] = {
409         {
410                 .name =         "Bootloader",
411                 .offset =       0x00000000,
412                 .size =         0x00050000,
413                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
414         }, {
415                 .name =         "Environment",
416                 .offset =       0x00050000,
417                 .size =         0x00010000,
418         }, {
419                 .name =         "Reserved",
420                 .offset =       0x00060000,
421                 .size =         0x00050000,
422                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
423         }, {
424                 .name =         "Splashscreen",
425                 .offset =       0x000b0000,
426                 .size =         0x00050000,
427         }
428 };
429
430 static struct physmap_flash_data em_x270_nor_data[] = {
431         [0] = {
432                 .width = 2,
433                 .parts = em_x270_nor_parts,
434                 .nr_parts = ARRAY_SIZE(em_x270_nor_parts),
435         },
436 };
437
438 static struct resource em_x270_nor_flash_resource = {
439         .start  = PXA_CS0_PHYS,
440         .end    = PXA_CS0_PHYS + SZ_1M - 1,
441         .flags  = IORESOURCE_MEM,
442 };
443
444 static struct platform_device em_x270_physmap_flash = {
445         .name           = "physmap-flash",
446         .id             = 0,
447         .num_resources  = 1,
448         .resource       = &em_x270_nor_flash_resource,
449         .dev            = {
450                 .platform_data  = &em_x270_nor_data,
451         },
452 };
453
454 static void __init em_x270_init_nor(void)
455 {
456         platform_device_register(&em_x270_physmap_flash);
457 }
458 #else
459 static inline void em_x270_init_nor(void) {}
460 #endif
461
462 /* PXA27x OHCI controller setup */
463 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
464 static int em_x270_ohci_init(struct device *dev)
465 {
466         /* enable port 2 transiever */
467         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
468
469         return 0;
470 }
471
472 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
473         .port_mode      = PMM_PERPORT_MODE,
474         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
475         .init           = em_x270_ohci_init,
476 };
477
478 static void __init em_x270_init_ohci(void)
479 {
480         pxa_set_ohci_info(&em_x270_ohci_platform_data);
481 }
482 #else
483 static inline void em_x270_init_ohci(void) {}
484 #endif
485
486 /* MCI controller setup */
487 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
488 static struct regulator *em_x270_sdio_ldo;
489
490 static int em_x270_mci_init(struct device *dev,
491                             irq_handler_t em_x270_detect_int,
492                             void *data)
493 {
494         int err;
495
496         em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
497         if (IS_ERR(em_x270_sdio_ldo)) {
498                 dev_err(dev, "can't request SDIO power supply: %ld\n",
499                         PTR_ERR(em_x270_sdio_ldo));
500                 return PTR_ERR(em_x270_sdio_ldo);
501         }
502
503         err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
504                               IRQF_DISABLED | IRQF_TRIGGER_RISING |
505                               IRQF_TRIGGER_FALLING,
506                               "MMC card detect", data);
507         if (err) {
508                 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
509                 goto err_irq;
510         }
511
512         if (machine_is_em_x270()) {
513                 err = gpio_request(GPIO95_MMC_WP, "MMC WP");
514                 if (err) {
515                         dev_err(dev, "can't request MMC write protect: %d\n",
516                                 err);
517                         goto err_gpio_wp;
518                 }
519                 gpio_direction_input(GPIO95_MMC_WP);
520         } else {
521                 err = gpio_request(GPIO38_SD_PWEN, "sdio power");
522                 if (err) {
523                         dev_err(dev, "can't request MMC power control : %d\n",
524                                 err);
525                         goto err_gpio_wp;
526                 }
527                 gpio_direction_output(GPIO38_SD_PWEN, 1);
528         }
529
530         return 0;
531
532 err_gpio_wp:
533         free_irq(gpio_to_irq(mmc_cd), data);
534 err_irq:
535         regulator_put(em_x270_sdio_ldo);
536
537         return err;
538 }
539
540 static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
541 {
542         struct pxamci_platform_data* p_d = dev->platform_data;
543
544         if ((1 << vdd) & p_d->ocr_mask) {
545                 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
546
547                 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
548                 regulator_enable(em_x270_sdio_ldo);
549         } else {
550                 regulator_disable(em_x270_sdio_ldo);
551         }
552 }
553
554 static void em_x270_mci_exit(struct device *dev, void *data)
555 {
556         free_irq(gpio_to_irq(mmc_cd), data);
557         regulator_put(em_x270_sdio_ldo);
558
559         if (machine_is_em_x270())
560                 gpio_free(GPIO95_MMC_WP);
561         else
562                 gpio_free(GPIO38_SD_PWEN);
563 }
564
565 static int em_x270_mci_get_ro(struct device *dev)
566 {
567         return gpio_get_value(GPIO95_MMC_WP);
568 }
569
570 static struct pxamci_platform_data em_x270_mci_platform_data = {
571         .ocr_mask       = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
572                           MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
573                           MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
574                           MMC_VDD_30_31|MMC_VDD_31_32,
575         .init           = em_x270_mci_init,
576         .setpower       = em_x270_mci_setpower,
577         .exit           = em_x270_mci_exit,
578 };
579
580 static void __init em_x270_init_mmc(void)
581 {
582         if (machine_is_em_x270())
583                 em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
584
585         em_x270_mci_platform_data.detect_delay  = msecs_to_jiffies(250);
586         pxa_set_mci_info(&em_x270_mci_platform_data);
587 }
588 #else
589 static inline void em_x270_init_mmc(void) {}
590 #endif
591
592 /* LCD */
593 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
594 static struct pxafb_mode_info em_x270_lcd_modes[] = {
595         [0] = {
596                 .pixclock       = 38250,
597                 .bpp            = 16,
598                 .xres           = 480,
599                 .yres           = 640,
600                 .hsync_len      = 8,
601                 .vsync_len      = 2,
602                 .left_margin    = 8,
603                 .upper_margin   = 2,
604                 .right_margin   = 24,
605                 .lower_margin   = 4,
606                 .sync           = 0,
607         },
608         [1] = {
609                 .pixclock       = 153800,
610                 .bpp            = 16,
611                 .xres           = 240,
612                 .yres           = 320,
613                 .hsync_len      = 8,
614                 .vsync_len      = 2,
615                 .left_margin    = 8,
616                 .upper_margin   = 2,
617                 .right_margin   = 88,
618                 .lower_margin   = 2,
619                 .sync           = 0,
620         },
621 };
622
623 static struct pxafb_mach_info em_x270_lcd = {
624         .modes          = em_x270_lcd_modes,
625         .num_modes      = 2,
626         .lcd_conn       = LCD_COLOR_TFT_16BPP,
627 };
628
629 static void __init em_x270_init_lcd(void)
630 {
631         set_pxa_fb_info(&em_x270_lcd);
632 }
633 #else
634 static inline void em_x270_init_lcd(void) {}
635 #endif
636
637 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
638 static struct pxa2xx_spi_master em_x270_spi_info = {
639         .num_chipselect = 1,
640 };
641
642 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
643         .rx_threshold = 1,
644         .tx_threshold = 1,
645 };
646
647 static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
648         .model = TDO35S,
649 };
650
651 static struct spi_board_info em_x270_spi_devices[] __initdata = {
652         {
653                 .modalias = "tdo24m",
654                 .max_speed_hz = 1000000,
655                 .bus_num = 1,
656                 .chip_select = 0,
657                 .controller_data = &em_x270_tdo24m_chip,
658                 .platform_data = &em_x270_tdo24m_pdata,
659         },
660 };
661
662 static void __init em_x270_init_spi(void)
663 {
664         pxa2xx_set_spi_info(1, &em_x270_spi_info);
665         spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
666 }
667 #else
668 static inline void em_x270_init_spi(void) {}
669 #endif
670
671 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
672 static void __init em_x270_init_ac97(void)
673 {
674         pxa_set_ac97_info(NULL);
675 }
676 #else
677 static inline void em_x270_init_ac97(void) {}
678 #endif
679
680 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
681 static unsigned int em_x270_module_matrix_keys[] = {
682         KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
683         KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
684         KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
685 };
686
687 struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
688         /* code map for the matrix keys */
689         .matrix_key_rows        = 3,
690         .matrix_key_cols        = 3,
691         .matrix_key_map         = em_x270_module_matrix_keys,
692         .matrix_key_map_size    = ARRAY_SIZE(em_x270_module_matrix_keys),
693 };
694
695 static unsigned int em_x270_exeda_matrix_keys[] = {
696         KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
697         KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
698         KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
699         KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
700
701         KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
702         KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
703         KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
704         KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
705
706         KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
707         KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
708         KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
709         KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
710
711         KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
712         KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
713         KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
714         KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
715
716         KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
717         KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
718         KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
719         KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
720
721         KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
722         KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
723         KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
724         KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
725
726         KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
727         KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
728         KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
729         KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
730
731         KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
732         KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
733         KEY(7, 4, 0), KEY(7, 5, 0),
734         KEY(7, 6, 0), KEY(7, 7, 0),
735 };
736
737 struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
738         /* code map for the matrix keys */
739         .matrix_key_rows        = 8,
740         .matrix_key_cols        = 8,
741         .matrix_key_map         = em_x270_exeda_matrix_keys,
742         .matrix_key_map_size    = ARRAY_SIZE(em_x270_exeda_matrix_keys),
743 };
744
745 static void __init em_x270_init_keypad(void)
746 {
747         if (machine_is_em_x270())
748                 pxa_set_keypad_info(&em_x270_module_keypad_info);
749         else
750                 pxa_set_keypad_info(&em_x270_exeda_keypad_info);
751 }
752 #else
753 static inline void em_x270_init_keypad(void) {}
754 #endif
755
756 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
757 static struct gpio_keys_button gpio_keys_button[] = {
758         [0] = {
759                 .desc   = "sleep/wakeup",
760                 .code   = KEY_SUSPEND,
761                 .type   = EV_PWR,
762                 .gpio   = 1,
763                 .wakeup = 1,
764         },
765 };
766
767 static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
768         .buttons        = gpio_keys_button,
769         .nbuttons       = 1,
770 };
771
772 static struct platform_device em_x270_gpio_keys = {
773         .name           = "gpio-keys",
774         .id             = -1,
775         .dev            = {
776                 .platform_data  = &em_x270_gpio_keys_data,
777         },
778 };
779
780 static void __init em_x270_init_gpio_keys(void)
781 {
782         platform_device_register(&em_x270_gpio_keys);
783 }
784 #else
785 static inline void em_x270_init_gpio_keys(void) {}
786 #endif
787
788 /* Quick Capture Interface and sensor setup */
789 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
790 static struct regulator *em_x270_camera_ldo;
791
792 static int em_x270_sensor_init(struct device *dev)
793 {
794         int ret;
795
796         ret = gpio_request(GPIO93_CAM_RESET, "camera reset");
797         if (ret)
798                 return ret;
799
800         gpio_direction_output(GPIO93_CAM_RESET, 0);
801
802         em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
803         if (em_x270_camera_ldo == NULL) {
804                 gpio_free(GPIO93_CAM_RESET);
805                 return -ENODEV;
806         }
807
808         ret = regulator_enable(em_x270_camera_ldo);
809         if (ret) {
810                 regulator_put(em_x270_camera_ldo);
811                 gpio_free(GPIO93_CAM_RESET);
812                 return ret;
813         }
814
815         gpio_set_value(GPIO93_CAM_RESET, 1);
816
817         return 0;
818 }
819
820 struct pxacamera_platform_data em_x270_camera_platform_data = {
821         .init   = em_x270_sensor_init,
822         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
823                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
824         .mclk_10khz = 2600,
825 };
826
827 static int em_x270_sensor_power(struct device *dev, int on)
828 {
829         int ret;
830         int is_on = regulator_is_enabled(em_x270_camera_ldo);
831
832         if (on == is_on)
833                 return 0;
834
835         gpio_set_value(GPIO93_CAM_RESET, !on);
836
837         if (on)
838                 ret = regulator_enable(em_x270_camera_ldo);
839         else
840                 ret = regulator_disable(em_x270_camera_ldo);
841
842         if (ret)
843                 return ret;
844
845         gpio_set_value(GPIO93_CAM_RESET, on);
846
847         return 0;
848 }
849
850 static struct soc_camera_link iclink = {
851         .bus_id = 0,
852         .power = em_x270_sensor_power,
853 };
854
855 static struct i2c_board_info em_x270_i2c_cam_info[] = {
856         {
857                 I2C_BOARD_INFO("mt9m111", 0x48),
858                 .platform_data = &iclink,
859         },
860 };
861
862 static struct i2c_pxa_platform_data em_x270_i2c_info = {
863         .fast_mode = 1,
864 };
865
866 static void  __init em_x270_init_camera(void)
867 {
868         pxa_set_i2c_info(&em_x270_i2c_info);
869         i2c_register_board_info(0, ARRAY_AND_SIZE(em_x270_i2c_cam_info));
870         pxa_set_camera_info(&em_x270_camera_platform_data);
871 }
872 #else
873 static inline void em_x270_init_camera(void) {}
874 #endif
875
876 /* DA9030 related initializations */
877 #define REGULATOR_CONSUMER(_name, _dev, _supply)                               \
878         static struct regulator_consumer_supply _name##_consumers[] = { \
879                 {                                                       \
880                         .dev = _dev,                                    \
881                         .supply = _supply,                              \
882                 },                                                      \
883         }
884
885 REGULATOR_CONSUMER(ldo3, NULL, "vcc gps");
886 REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
887 REGULATOR_CONSUMER(ldo10, &pxa_device_mci.dev, "vcc sdio");
888 REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
889 REGULATOR_CONSUMER(ldo19, NULL, "vcc gprs");
890
891 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)               \
892         static struct regulator_init_data _ldo##_data = {               \
893                 .constraints = {                                        \
894                         .min_uV = _min_uV,                              \
895                         .max_uV = _max_uV,                              \
896                         .state_mem = {                                  \
897                                 .enabled = 0,                           \
898                         },                                              \
899                         .valid_ops_mask = _ops_mask,                    \
900                 },                                                      \
901                 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),  \
902                 .consumer_supplies = _ldo##_consumers,                  \
903         };
904
905 REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
906 REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
907 REGULATOR_INIT(ldo10, 2000000, 3200000,
908                REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
909 REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
910 REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
911
912 struct led_info em_x270_led_info = {
913         .name = "em-x270:orange",
914         .default_trigger = "battery-charging-or-full",
915 };
916
917 struct power_supply_info em_x270_psy_info = {
918         .name = "LP555597P6H-FPS",
919         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
920         .voltage_max_design = 4200000,
921         .voltage_min_design = 3000000,
922         .use_for_apm = 1,
923 };
924
925 static void em_x270_battery_low(void)
926 {
927         apm_queue_event(APM_LOW_BATTERY);
928 }
929
930 static void em_x270_battery_critical(void)
931 {
932         apm_queue_event(APM_CRITICAL_SUSPEND);
933 }
934
935 struct da9030_battery_info em_x270_batterty_info = {
936         .battery_info = &em_x270_psy_info,
937
938         .charge_milliamp = 1000,
939         .charge_millivolt = 4200,
940
941         .vbat_low = 3600,
942         .vbat_crit = 3400,
943         .vbat_charge_start = 4100,
944         .vbat_charge_stop = 4200,
945         .vbat_charge_restart = 4000,
946
947         .vcharge_min = 3200,
948         .vcharge_max = 5500,
949
950         .tbat_low = 197,
951         .tbat_high = 78,
952         .tbat_restart = 100,
953
954         .batmon_interval = 0,
955
956         .battery_low = em_x270_battery_low,
957         .battery_critical = em_x270_battery_critical,
958 };
959
960 #define DA9030_SUBDEV(_name, _id, _pdata)       \
961         {                                       \
962                 .name = "da903x-" #_name,       \
963                 .id = DA9030_ID_##_id,          \
964                 .platform_data = _pdata,        \
965         }
966
967 #define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
968
969 struct da903x_subdev_info em_x270_da9030_subdevs[] = {
970         DA9030_LDO(3),
971         DA9030_LDO(5),
972         DA9030_LDO(10),
973         DA9030_LDO(12),
974         DA9030_LDO(19),
975
976         DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
977         DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
978         DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
979 };
980
981 static struct da903x_platform_data em_x270_da9030_info = {
982         .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
983         .subdevs = em_x270_da9030_subdevs,
984 };
985
986 static struct i2c_board_info em_x270_i2c_pmic_info = {
987         I2C_BOARD_INFO("da9030", 0x49),
988         .irq = IRQ_GPIO(0),
989         .platform_data = &em_x270_da9030_info,
990 };
991
992 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
993         .use_pio = 1,
994 };
995
996 static void __init em_x270_init_da9030(void)
997 {
998         pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
999         i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
1000 }
1001
1002 static void __init em_x270_module_init(void)
1003 {
1004         pr_info("%s\n", __func__);
1005         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
1006
1007         mmc_cd = GPIO13_MMC_CD;
1008         nand_rb = GPIO56_NAND_RB;
1009         dm9000_flags = DM9000_PLATF_32BITONLY;
1010 }
1011
1012 static void __init em_x270_exeda_init(void)
1013 {
1014         pr_info("%s\n", __func__);
1015         pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
1016
1017         mmc_cd = GPIO114_MMC_CD;
1018         nand_rb = GPIO20_NAND_RB;
1019         dm9000_flags = DM9000_PLATF_16BITONLY;
1020 }
1021
1022 static void __init em_x270_init(void)
1023 {
1024         pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
1025
1026         if (machine_is_em_x270())
1027                 em_x270_module_init();
1028         else if (machine_is_exeda())
1029                 em_x270_exeda_init();
1030         else
1031                 panic("Unsupported machine: %d\n", machine_arch_type);
1032
1033         em_x270_init_da9030();
1034         em_x270_init_dm9000();
1035         em_x270_init_rtc();
1036         em_x270_init_nand();
1037         em_x270_init_nor();
1038         em_x270_init_lcd();
1039         em_x270_init_mmc();
1040         em_x270_init_ohci();
1041         em_x270_init_keypad();
1042         em_x270_init_gpio_keys();
1043         em_x270_init_ac97();
1044         em_x270_init_camera();
1045         em_x270_init_spi();
1046 }
1047
1048 MACHINE_START(EM_X270, "Compulab EM-X270")
1049         .boot_params    = 0xa0000100,
1050         .phys_io        = 0x40000000,
1051         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1052         .map_io         = pxa_map_io,
1053         .init_irq       = pxa27x_init_irq,
1054         .timer          = &pxa_timer,
1055         .init_machine   = em_x270_init,
1056 MACHINE_END
1057
1058 MACHINE_START(EXEDA, "Compulab eXeda")
1059         .boot_params    = 0xa0000100,
1060         .phys_io        = 0x40000000,
1061         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1062         .map_io         = pxa_map_io,
1063         .init_irq       = pxa27x_init_irq,
1064         .timer          = &pxa_timer,
1065         .init_machine   = em_x270_init,
1066 MACHINE_END