Merge branch 'fixes' of git://github.com/hzhuang1/linux into fixes
[~shefty/rdma-dev.git] / arch / arm / mach-pxa / cm-x300.c
1 /*
2  * linux/arch/arm/mach-pxa/cm-x300.c
3  *
4  * Support for the CompuLab CM-X300 modules
5  *
6  * Copyright (C) 2008,2009 CompuLab Ltd.
7  *
8  * Mike Rapoport <mike@compulab.co.il>
9  * Igor Grinberg <grinberg@compulab.co.il>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License version 2 as
13  * published by the Free Software Foundation.
14  */
15 #define pr_fmt(fmt) "%s: " fmt, __func__
16
17 #include <linux/module.h>
18 #include <linux/kernel.h>
19 #include <linux/interrupt.h>
20 #include <linux/init.h>
21 #include <linux/delay.h>
22 #include <linux/platform_device.h>
23 #include <linux/clk.h>
24
25 #include <linux/gpio.h>
26 #include <linux/dm9000.h>
27 #include <linux/leds.h>
28 #include <linux/rtc-v3020.h>
29 #include <linux/pwm_backlight.h>
30
31 #include <linux/i2c.h>
32 #include <linux/i2c/pca953x.h>
33 #include <linux/i2c/pxa-i2c.h>
34
35 #include <linux/mfd/da903x.h>
36 #include <linux/regulator/machine.h>
37 #include <linux/power_supply.h>
38 #include <linux/apm-emulation.h>
39
40 #include <linux/spi/spi.h>
41 #include <linux/spi/spi_gpio.h>
42 #include <linux/spi/tdo24m.h>
43
44 #include <asm/mach-types.h>
45 #include <asm/mach/arch.h>
46 #include <asm/setup.h>
47 #include <asm/system_info.h>
48
49 #include <mach/pxa300.h>
50 #include <mach/pxa27x-udc.h>
51 #include <mach/pxafb.h>
52 #include <mach/mmc.h>
53 #include <mach/ohci.h>
54 #include <plat/pxa3xx_nand.h>
55 #include <mach/audio.h>
56 #include <mach/pxa3xx-u2d.h>
57
58 #include <asm/mach/map.h>
59
60 #include "generic.h"
61 #include "devices.h"
62
63 #define CM_X300_ETH_PHYS        0x08000010
64
65 #define GPIO82_MMC_IRQ          (82)
66 #define GPIO85_MMC_WP           (85)
67
68 #define CM_X300_MMC_IRQ         PXA_GPIO_TO_IRQ(GPIO82_MMC_IRQ)
69
70 #define GPIO95_RTC_CS           (95)
71 #define GPIO96_RTC_WR           (96)
72 #define GPIO97_RTC_RD           (97)
73 #define GPIO98_RTC_IO           (98)
74
75 #define GPIO_ULPI_PHY_RST       (127)
76
77 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
78         /* LCD */
79         GPIO54_LCD_LDD_0,
80         GPIO55_LCD_LDD_1,
81         GPIO56_LCD_LDD_2,
82         GPIO57_LCD_LDD_3,
83         GPIO58_LCD_LDD_4,
84         GPIO59_LCD_LDD_5,
85         GPIO60_LCD_LDD_6,
86         GPIO61_LCD_LDD_7,
87         GPIO62_LCD_LDD_8,
88         GPIO63_LCD_LDD_9,
89         GPIO64_LCD_LDD_10,
90         GPIO65_LCD_LDD_11,
91         GPIO66_LCD_LDD_12,
92         GPIO67_LCD_LDD_13,
93         GPIO68_LCD_LDD_14,
94         GPIO69_LCD_LDD_15,
95         GPIO72_LCD_FCLK,
96         GPIO73_LCD_LCLK,
97         GPIO74_LCD_PCLK,
98         GPIO75_LCD_BIAS,
99
100         /* BTUART */
101         GPIO111_UART2_RTS,
102         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
103         GPIO113_UART2_TXD,
104         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
105
106         /* STUART */
107         GPIO109_UART3_TXD,
108         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
109
110         /* AC97 */
111         GPIO23_AC97_nACRESET,
112         GPIO24_AC97_SYSCLK,
113         GPIO29_AC97_BITCLK,
114         GPIO25_AC97_SDATA_IN_0,
115         GPIO27_AC97_SDATA_OUT,
116         GPIO28_AC97_SYNC,
117
118         /* Keypad */
119         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
120         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
121         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
122         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
123         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
124         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
125         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
126         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
127         GPIO121_KP_MKOUT_0,
128         GPIO122_KP_MKOUT_1,
129         GPIO123_KP_MKOUT_2,
130         GPIO124_KP_MKOUT_3,
131         GPIO125_KP_MKOUT_4,
132         GPIO4_2_KP_MKOUT_5,
133
134         /* MMC1 */
135         GPIO3_MMC1_DAT0,
136         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
137         GPIO5_MMC1_DAT2,
138         GPIO6_MMC1_DAT3,
139         GPIO7_MMC1_CLK,
140         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
141
142         /* MMC2 */
143         GPIO9_MMC2_DAT0,
144         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
145         GPIO11_MMC2_DAT2,
146         GPIO12_MMC2_DAT3,
147         GPIO13_MMC2_CLK,
148         GPIO14_MMC2_CMD,
149
150         /* FFUART */
151         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
152         GPIO31_UART1_TXD,
153         GPIO32_UART1_CTS,
154         GPIO37_UART1_RTS,
155         GPIO33_UART1_DCD,
156         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
157         GPIO35_UART1_RI,
158         GPIO36_UART1_DTR,
159
160         /* GPIOs */
161         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
162         GPIO85_GPIO,                    /* MMC WP */
163         GPIO99_GPIO,                    /* Ethernet IRQ */
164
165         /* RTC GPIOs */
166         GPIO95_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC CS */
167         GPIO96_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC WR */
168         GPIO97_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC RD */
169         GPIO98_GPIO,                            /* RTC IO */
170
171         /* Standard I2C */
172         GPIO21_I2C_SCL,
173         GPIO22_I2C_SDA,
174
175         /* PWM Backlight */
176         GPIO19_PWM2_OUT,
177 };
178
179 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
180         /* GPIOs */
181         GPIO79_GPIO,                    /* LED */
182         GPIO77_GPIO,                    /* WiFi reset */
183         GPIO78_GPIO,                    /* BT reset */
184 };
185
186 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
187         /* GPIOs */
188         GPIO76_GPIO,                    /* LED */
189         GPIO71_GPIO,                    /* WiFi reset */
190         GPIO70_GPIO,                    /* BT reset */
191 };
192
193 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
194         /* USB PORT 2 */
195         ULPI_STP,
196         ULPI_NXT,
197         ULPI_DIR,
198         GPIO30_ULPI_DATA_OUT_0,
199         GPIO31_ULPI_DATA_OUT_1,
200         GPIO32_ULPI_DATA_OUT_2,
201         GPIO33_ULPI_DATA_OUT_3,
202         GPIO34_ULPI_DATA_OUT_4,
203         GPIO35_ULPI_DATA_OUT_5,
204         GPIO36_ULPI_DATA_OUT_6,
205         GPIO37_ULPI_DATA_OUT_7,
206         GPIO38_ULPI_CLK,
207         /* external PHY reset pin */
208         GPIO127_GPIO,
209
210         /* USB PORT 3 */
211         GPIO77_USB_P3_1,
212         GPIO78_USB_P3_2,
213         GPIO79_USB_P3_3,
214         GPIO80_USB_P3_4,
215         GPIO81_USB_P3_5,
216         GPIO82_USB_P3_6,
217         GPIO0_2_USBH_PEN,
218 };
219
220 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
221 static struct resource dm9000_resources[] = {
222         [0] = {
223                 .start  = CM_X300_ETH_PHYS,
224                 .end    = CM_X300_ETH_PHYS + 0x3,
225                 .flags  = IORESOURCE_MEM,
226         },
227         [1] = {
228                 .start  = CM_X300_ETH_PHYS + 0x4,
229                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
230                 .flags  = IORESOURCE_MEM,
231         },
232         [2] = {
233                 .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
234                 .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
235                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
236         }
237 };
238
239 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
240         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
241 };
242
243 static struct platform_device dm9000_device = {
244         .name           = "dm9000",
245         .id             = 0,
246         .num_resources  = ARRAY_SIZE(dm9000_resources),
247         .resource       = dm9000_resources,
248         .dev            = {
249                 .platform_data = &cm_x300_dm9000_platdata,
250         }
251
252 };
253
254 static void __init cm_x300_init_dm9000(void)
255 {
256         platform_device_register(&dm9000_device);
257 }
258 #else
259 static inline void cm_x300_init_dm9000(void) {}
260 #endif
261
262 /* LCD */
263 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
264 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
265         [0] = {
266                 .pixclock       = 38250,
267                 .bpp            = 16,
268                 .xres           = 480,
269                 .yres           = 640,
270                 .hsync_len      = 8,
271                 .vsync_len      = 2,
272                 .left_margin    = 8,
273                 .upper_margin   = 2,
274                 .right_margin   = 24,
275                 .lower_margin   = 4,
276                 .cmap_greyscale = 0,
277         },
278         [1] = {
279                 .pixclock       = 153800,
280                 .bpp            = 16,
281                 .xres           = 240,
282                 .yres           = 320,
283                 .hsync_len      = 8,
284                 .vsync_len      = 2,
285                 .left_margin    = 8,
286                 .upper_margin   = 2,
287                 .right_margin   = 88,
288                 .lower_margin   = 2,
289                 .cmap_greyscale = 0,
290         },
291 };
292
293 static struct pxafb_mach_info cm_x300_lcd = {
294         .modes                  = cm_x300_lcd_modes,
295         .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
296         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
297 };
298
299 static void __init cm_x300_init_lcd(void)
300 {
301         pxa_set_fb_info(NULL, &cm_x300_lcd);
302 }
303 #else
304 static inline void cm_x300_init_lcd(void) {}
305 #endif
306
307 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
308 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
309         .pwm_id         = 2,
310         .max_brightness = 100,
311         .dft_brightness = 100,
312         .pwm_period_ns  = 10000,
313 };
314
315 static struct platform_device cm_x300_backlight_device = {
316         .name           = "pwm-backlight",
317         .dev            = {
318                 .parent = &pxa27x_device_pwm0.dev,
319                 .platform_data  = &cm_x300_backlight_data,
320         },
321 };
322
323 static void cm_x300_init_bl(void)
324 {
325         platform_device_register(&cm_x300_backlight_device);
326 }
327 #else
328 static inline void cm_x300_init_bl(void) {}
329 #endif
330
331 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
332 #define GPIO_LCD_BASE   (144)
333 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
334 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
335 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
336 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
337 #define LCD_SPI_BUS_NUM (1)
338
339 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
340         .sck            = GPIO_LCD_SCL,
341         .mosi           = GPIO_LCD_DIN,
342         .miso           = GPIO_LCD_DOUT,
343         .num_chipselect = 1,
344 };
345
346 static struct platform_device cm_x300_spi_gpio = {
347         .name           = "spi_gpio",
348         .id             = LCD_SPI_BUS_NUM,
349         .dev            = {
350                 .platform_data  = &cm_x300_spi_gpio_pdata,
351         },
352 };
353
354 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
355         .model = TDO35S,
356 };
357
358 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
359         {
360                 .modalias               = "tdo24m",
361                 .max_speed_hz           = 1000000,
362                 .bus_num                = LCD_SPI_BUS_NUM,
363                 .chip_select            = 0,
364                 .controller_data        = (void *) GPIO_LCD_CS,
365                 .platform_data          = &cm_x300_tdo24m_pdata,
366         },
367 };
368
369 static void __init cm_x300_init_spi(void)
370 {
371         spi_register_board_info(cm_x300_spi_devices,
372                                 ARRAY_SIZE(cm_x300_spi_devices));
373         platform_device_register(&cm_x300_spi_gpio);
374 }
375 #else
376 static inline void cm_x300_init_spi(void) {}
377 #endif
378
379 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
380 static void __init cm_x300_init_ac97(void)
381 {
382         pxa_set_ac97_info(NULL);
383 }
384 #else
385 static inline void cm_x300_init_ac97(void) {}
386 #endif
387
388 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
389 static struct mtd_partition cm_x300_nand_partitions[] = {
390         [0] = {
391                 .name        = "OBM",
392                 .offset      = 0,
393                 .size        = SZ_256K,
394                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
395         },
396         [1] = {
397                 .name        = "U-Boot",
398                 .offset      = MTDPART_OFS_APPEND,
399                 .size        = SZ_256K,
400                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
401         },
402         [2] = {
403                 .name        = "Environment",
404                 .offset      = MTDPART_OFS_APPEND,
405                 .size        = SZ_256K,
406         },
407         [3] = {
408                 .name        = "reserved",
409                 .offset      = MTDPART_OFS_APPEND,
410                 .size        = SZ_256K + SZ_1M,
411                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
412         },
413         [4] = {
414                 .name        = "kernel",
415                 .offset      = MTDPART_OFS_APPEND,
416                 .size        = SZ_4M,
417         },
418         [5] = {
419                 .name        = "fs",
420                 .offset      = MTDPART_OFS_APPEND,
421                 .size        = MTDPART_SIZ_FULL,
422         },
423 };
424
425 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
426         .enable_arbiter = 1,
427         .keep_config    = 1,
428         .num_cs         = 1,
429         .parts[0]       = cm_x300_nand_partitions,
430         .nr_parts[0]    = ARRAY_SIZE(cm_x300_nand_partitions),
431 };
432
433 static void __init cm_x300_init_nand(void)
434 {
435         pxa3xx_set_nand_info(&cm_x300_nand_info);
436 }
437 #else
438 static inline void cm_x300_init_nand(void) {}
439 #endif
440
441 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
442 static struct pxamci_platform_data cm_x300_mci_platform_data = {
443         .detect_delay_ms        = 200,
444         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
445         .gpio_card_detect       = GPIO82_MMC_IRQ,
446         .gpio_card_ro           = GPIO85_MMC_WP,
447         .gpio_power             = -1,
448 };
449
450 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
451    no detection/ro pins */
452 static int cm_x300_mci2_init(struct device *dev,
453                              irq_handler_t cm_x300_detect_int,
454         void *data)
455 {
456         return 0;
457 }
458
459 static void cm_x300_mci2_exit(struct device *dev, void *data)
460 {
461 }
462
463 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
464         .detect_delay_ms        = 200,
465         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
466         .init                   = cm_x300_mci2_init,
467         .exit                   = cm_x300_mci2_exit,
468         .gpio_card_detect       = -1,
469         .gpio_card_ro           = -1,
470         .gpio_power             = -1,
471 };
472
473 static void __init cm_x300_init_mmc(void)
474 {
475         pxa_set_mci_info(&cm_x300_mci_platform_data);
476         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
477 }
478 #else
479 static inline void cm_x300_init_mmc(void) {}
480 #endif
481
482 #if defined(CONFIG_PXA310_ULPI)
483 static struct clk *pout_clk;
484
485 static int cm_x300_ulpi_phy_reset(void)
486 {
487         int err;
488
489         /* reset the PHY */
490         err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
491                                "ulpi reset");
492         if (err) {
493                 pr_err("failed to request ULPI reset GPIO: %d\n", err);
494                 return err;
495         }
496
497         msleep(10);
498         gpio_set_value(GPIO_ULPI_PHY_RST, 1);
499         msleep(10);
500
501         gpio_free(GPIO_ULPI_PHY_RST);
502
503         return 0;
504 }
505
506 static inline int cm_x300_u2d_init(struct device *dev)
507 {
508         int err = 0;
509
510         if (cpu_is_pxa310()) {
511                 /* CLK_POUT is connected to the ULPI PHY */
512                 pout_clk = clk_get(NULL, "CLK_POUT");
513                 if (IS_ERR(pout_clk)) {
514                         err = PTR_ERR(pout_clk);
515                         pr_err("failed to get CLK_POUT: %d\n", err);
516                         return err;
517                 }
518                 clk_enable(pout_clk);
519
520                 err = cm_x300_ulpi_phy_reset();
521                 if (err) {
522                         clk_disable(pout_clk);
523                         clk_put(pout_clk);
524                 }
525         }
526
527         return err;
528 }
529
530 static void cm_x300_u2d_exit(struct device *dev)
531 {
532         if (cpu_is_pxa310()) {
533                 clk_disable(pout_clk);
534                 clk_put(pout_clk);
535         }
536 }
537
538 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
539         .ulpi_mode      = ULPI_SER_6PIN,
540         .init           = cm_x300_u2d_init,
541         .exit           = cm_x300_u2d_exit,
542 };
543
544 static void cm_x300_init_u2d(void)
545 {
546         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
547 }
548 #else
549 static inline void cm_x300_init_u2d(void) {}
550 #endif
551
552 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
553 static int cm_x300_ohci_init(struct device *dev)
554 {
555         if (cpu_is_pxa300())
556                 UP2OCR = UP2OCR_HXS
557                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
558
559         return 0;
560 }
561
562 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
563         .port_mode      = PMM_PERPORT_MODE,
564         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
565         .init           = cm_x300_ohci_init,
566 };
567
568 static void __init cm_x300_init_ohci(void)
569 {
570         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
571 }
572 #else
573 static inline void cm_x300_init_ohci(void) {}
574 #endif
575
576 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
577 static struct gpio_led cm_x300_leds[] = {
578         [0] = {
579                 .name = "cm-x300:green",
580                 .default_trigger = "heartbeat",
581                 .active_low = 1,
582         },
583 };
584
585 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
586         .num_leds = ARRAY_SIZE(cm_x300_leds),
587         .leds = cm_x300_leds,
588 };
589
590 static struct platform_device cm_x300_led_device = {
591         .name           = "leds-gpio",
592         .id             = -1,
593         .dev            = {
594                 .platform_data = &cm_x300_gpio_led_pdata,
595         },
596 };
597
598 static void __init cm_x300_init_leds(void)
599 {
600         if (system_rev < 130)
601                 cm_x300_leds[0].gpio = 79;
602         else
603                 cm_x300_leds[0].gpio = 76;
604
605         platform_device_register(&cm_x300_led_device);
606 }
607 #else
608 static inline void cm_x300_init_leds(void) {}
609 #endif
610
611 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
612 /* PCA9555 */
613 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
614         .gpio_base = 128,
615 };
616
617 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
618         .gpio_base = 144,
619 };
620
621 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
622         [0] = {
623                 I2C_BOARD_INFO("pca9555", 0x24),
624                 .platform_data = &cm_x300_gpio_ext_pdata_0,
625         },
626         [1] = {
627                 I2C_BOARD_INFO("pca9555", 0x25),
628                 .platform_data = &cm_x300_gpio_ext_pdata_1,
629         },
630 };
631
632 static void __init cm_x300_init_i2c(void)
633 {
634         pxa_set_i2c_info(NULL);
635         i2c_register_board_info(0, cm_x300_gpio_ext_info,
636                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
637 }
638 #else
639 static inline void cm_x300_init_i2c(void) {}
640 #endif
641
642 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
643 struct v3020_platform_data cm_x300_v3020_pdata = {
644         .use_gpio       = 1,
645         .gpio_cs        = GPIO95_RTC_CS,
646         .gpio_wr        = GPIO96_RTC_WR,
647         .gpio_rd        = GPIO97_RTC_RD,
648         .gpio_io        = GPIO98_RTC_IO,
649 };
650
651 static struct platform_device cm_x300_rtc_device = {
652         .name           = "v3020",
653         .id             = -1,
654         .dev            = {
655                 .platform_data = &cm_x300_v3020_pdata,
656         }
657 };
658
659 static void __init cm_x300_init_rtc(void)
660 {
661         platform_device_register(&cm_x300_rtc_device);
662 }
663 #else
664 static inline void cm_x300_init_rtc(void) {}
665 #endif
666
667 /* Battery */
668 struct power_supply_info cm_x300_psy_info = {
669         .name = "battery",
670         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
671         .voltage_max_design = 4200000,
672         .voltage_min_design = 3000000,
673         .use_for_apm = 1,
674 };
675
676 static void cm_x300_battery_low(void)
677 {
678 #if defined(CONFIG_APM_EMULATION)
679         apm_queue_event(APM_LOW_BATTERY);
680 #endif
681 }
682
683 static void cm_x300_battery_critical(void)
684 {
685 #if defined(CONFIG_APM_EMULATION)
686         apm_queue_event(APM_CRITICAL_SUSPEND);
687 #endif
688 }
689
690 struct da9030_battery_info cm_x300_battery_info = {
691         .battery_info = &cm_x300_psy_info,
692
693         .charge_milliamp = 1000,
694         .charge_millivolt = 4200,
695
696         .vbat_low = 3600,
697         .vbat_crit = 3400,
698         .vbat_charge_start = 4100,
699         .vbat_charge_stop = 4200,
700         .vbat_charge_restart = 4000,
701
702         .vcharge_min = 3200,
703         .vcharge_max = 5500,
704
705         .tbat_low = 197,
706         .tbat_high = 78,
707         .tbat_restart = 100,
708
709         .batmon_interval = 0,
710
711         .battery_low = cm_x300_battery_low,
712         .battery_critical = cm_x300_battery_critical,
713 };
714
715 static struct regulator_consumer_supply buck2_consumers[] = {
716         {
717                 .supply = "vcc_core",
718         },
719 };
720
721 static struct regulator_init_data buck2_data = {
722         .constraints = {
723                 .min_uV = 1375000,
724                 .max_uV = 1375000,
725                 .state_mem = {
726                         .enabled = 0,
727                 },
728                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
729                 .apply_uV = 1,
730         },
731         .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
732         .consumer_supplies = buck2_consumers,
733 };
734
735 /* DA9030 */
736 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
737         {
738                 .name = "da903x-battery",
739                 .id = DA9030_ID_BAT,
740                 .platform_data = &cm_x300_battery_info,
741         },
742         {
743                 .name = "da903x-regulator",
744                 .id = DA9030_ID_BUCK2,
745                 .platform_data = &buck2_data,
746         },
747 };
748
749 static struct da903x_platform_data cm_x300_da9030_info = {
750         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
751         .subdevs = cm_x300_da9030_subdevs,
752 };
753
754 static struct i2c_board_info cm_x300_pmic_info = {
755         I2C_BOARD_INFO("da9030", 0x49),
756         .irq = IRQ_WAKEUP0,
757         .platform_data = &cm_x300_da9030_info,
758 };
759
760 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
761         .use_pio = 1,
762 };
763
764 static void __init cm_x300_init_da9030(void)
765 {
766         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
767         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
768         irq_set_irq_wake(IRQ_WAKEUP0, 1);
769 }
770
771 /* wi2wi gpio setting for system_rev >= 130 */
772 static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
773         { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
774         { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
775 };
776
777 static void __init cm_x300_init_wi2wi(void)
778 {
779         int err;
780
781         if (system_rev < 130) {
782                 cm_x300_wi2wi_gpios[0].gpio = 77;       /* wlan en */
783                 cm_x300_wi2wi_gpios[1].gpio = 78;       /* bt reset */
784         }
785
786         /* Libertas and CSR reset */
787         err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
788         if (err) {
789                 pr_err("failed to request wifi/bt gpios: %d\n", err);
790                 return;
791         }
792
793         udelay(10);
794         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
795         udelay(10);
796         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
797
798         gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
799 }
800
801 /* MFP */
802 static void __init cm_x300_init_mfp(void)
803 {
804         /* board-processor specific GPIO initialization */
805         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
806
807         if (system_rev < 130)
808                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
809         else
810                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
811
812         if (cpu_is_pxa310())
813                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
814 }
815
816 static void __init cm_x300_init(void)
817 {
818         cm_x300_init_mfp();
819
820         pxa_set_btuart_info(NULL);
821         pxa_set_stuart_info(NULL);
822         if (cpu_is_pxa300())
823                 pxa_set_ffuart_info(NULL);
824
825         cm_x300_init_da9030();
826         cm_x300_init_dm9000();
827         cm_x300_init_lcd();
828         cm_x300_init_u2d();
829         cm_x300_init_ohci();
830         cm_x300_init_mmc();
831         cm_x300_init_nand();
832         cm_x300_init_leds();
833         cm_x300_init_i2c();
834         cm_x300_init_spi();
835         cm_x300_init_rtc();
836         cm_x300_init_ac97();
837         cm_x300_init_wi2wi();
838         cm_x300_init_bl();
839 }
840
841 static void __init cm_x300_fixup(struct tag *tags, char **cmdline,
842                                  struct meminfo *mi)
843 {
844         /* Make sure that mi->bank[0].start = PHYS_ADDR */
845         for (; tags->hdr.size; tags = tag_next(tags))
846                 if (tags->hdr.tag == ATAG_MEM &&
847                         tags->u.mem.start == 0x80000000) {
848                         tags->u.mem.start = 0xa0000000;
849                         break;
850                 }
851 }
852
853 MACHINE_START(CM_X300, "CM-X300 module")
854         .atag_offset    = 0x100,
855         .map_io         = pxa3xx_map_io,
856         .init_irq       = pxa3xx_init_irq,
857         .handle_irq     = pxa3xx_handle_irq,
858         .timer          = &pxa_timer,
859         .init_machine   = cm_x300_init,
860         .fixup          = cm_x300_fixup,
861         .restart        = pxa_restart,
862 MACHINE_END