ARM: platform fixups: remove mdesc argument to fixup function
[linux-2.6.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
48 #include <mach/pxa300.h>
49 #include <mach/pxa27x-udc.h>
50 #include <mach/pxafb.h>
51 #include <mach/mmc.h>
52 #include <mach/ohci.h>
53 #include <plat/pxa3xx_nand.h>
54 #include <mach/audio.h>
55 #include <mach/pxa3xx-u2d.h>
56
57 #include <asm/mach/map.h>
58
59 #include "generic.h"
60 #include "devices.h"
61
62 #define CM_X300_ETH_PHYS        0x08000010
63
64 #define GPIO82_MMC_IRQ          (82)
65 #define GPIO85_MMC_WP           (85)
66
67 #define CM_X300_MMC_IRQ         IRQ_GPIO(GPIO82_MMC_IRQ)
68
69 #define GPIO95_RTC_CS           (95)
70 #define GPIO96_RTC_WR           (96)
71 #define GPIO97_RTC_RD           (97)
72 #define GPIO98_RTC_IO           (98)
73
74 #define GPIO_ULPI_PHY_RST       (127)
75
76 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
77         /* LCD */
78         GPIO54_LCD_LDD_0,
79         GPIO55_LCD_LDD_1,
80         GPIO56_LCD_LDD_2,
81         GPIO57_LCD_LDD_3,
82         GPIO58_LCD_LDD_4,
83         GPIO59_LCD_LDD_5,
84         GPIO60_LCD_LDD_6,
85         GPIO61_LCD_LDD_7,
86         GPIO62_LCD_LDD_8,
87         GPIO63_LCD_LDD_9,
88         GPIO64_LCD_LDD_10,
89         GPIO65_LCD_LDD_11,
90         GPIO66_LCD_LDD_12,
91         GPIO67_LCD_LDD_13,
92         GPIO68_LCD_LDD_14,
93         GPIO69_LCD_LDD_15,
94         GPIO72_LCD_FCLK,
95         GPIO73_LCD_LCLK,
96         GPIO74_LCD_PCLK,
97         GPIO75_LCD_BIAS,
98
99         /* BTUART */
100         GPIO111_UART2_RTS,
101         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
102         GPIO113_UART2_TXD,
103         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
104
105         /* STUART */
106         GPIO109_UART3_TXD,
107         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
108
109         /* AC97 */
110         GPIO23_AC97_nACRESET,
111         GPIO24_AC97_SYSCLK,
112         GPIO29_AC97_BITCLK,
113         GPIO25_AC97_SDATA_IN_0,
114         GPIO27_AC97_SDATA_OUT,
115         GPIO28_AC97_SYNC,
116
117         /* Keypad */
118         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
119         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
120         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
121         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
122         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
123         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
124         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
125         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
126         GPIO121_KP_MKOUT_0,
127         GPIO122_KP_MKOUT_1,
128         GPIO123_KP_MKOUT_2,
129         GPIO124_KP_MKOUT_3,
130         GPIO125_KP_MKOUT_4,
131         GPIO4_2_KP_MKOUT_5,
132
133         /* MMC1 */
134         GPIO3_MMC1_DAT0,
135         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
136         GPIO5_MMC1_DAT2,
137         GPIO6_MMC1_DAT3,
138         GPIO7_MMC1_CLK,
139         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
140
141         /* MMC2 */
142         GPIO9_MMC2_DAT0,
143         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
144         GPIO11_MMC2_DAT2,
145         GPIO12_MMC2_DAT3,
146         GPIO13_MMC2_CLK,
147         GPIO14_MMC2_CMD,
148
149         /* FFUART */
150         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
151         GPIO31_UART1_TXD,
152         GPIO32_UART1_CTS,
153         GPIO37_UART1_RTS,
154         GPIO33_UART1_DCD,
155         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
156         GPIO35_UART1_RI,
157         GPIO36_UART1_DTR,
158
159         /* GPIOs */
160         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
161         GPIO85_GPIO,                    /* MMC WP */
162         GPIO99_GPIO,                    /* Ethernet IRQ */
163
164         /* RTC GPIOs */
165         GPIO95_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC CS */
166         GPIO96_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC WR */
167         GPIO97_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC RD */
168         GPIO98_GPIO,                            /* RTC IO */
169
170         /* Standard I2C */
171         GPIO21_I2C_SCL,
172         GPIO22_I2C_SDA,
173
174         /* PWM Backlight */
175         GPIO19_PWM2_OUT,
176 };
177
178 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
179         /* GPIOs */
180         GPIO79_GPIO,                    /* LED */
181         GPIO77_GPIO,                    /* WiFi reset */
182         GPIO78_GPIO,                    /* BT reset */
183 };
184
185 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
186         /* GPIOs */
187         GPIO76_GPIO,                    /* LED */
188         GPIO71_GPIO,                    /* WiFi reset */
189         GPIO70_GPIO,                    /* BT reset */
190 };
191
192 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
193         /* USB PORT 2 */
194         ULPI_STP,
195         ULPI_NXT,
196         ULPI_DIR,
197         GPIO30_ULPI_DATA_OUT_0,
198         GPIO31_ULPI_DATA_OUT_1,
199         GPIO32_ULPI_DATA_OUT_2,
200         GPIO33_ULPI_DATA_OUT_3,
201         GPIO34_ULPI_DATA_OUT_4,
202         GPIO35_ULPI_DATA_OUT_5,
203         GPIO36_ULPI_DATA_OUT_6,
204         GPIO37_ULPI_DATA_OUT_7,
205         GPIO38_ULPI_CLK,
206         /* external PHY reset pin */
207         GPIO127_GPIO,
208
209         /* USB PORT 3 */
210         GPIO77_USB_P3_1,
211         GPIO78_USB_P3_2,
212         GPIO79_USB_P3_3,
213         GPIO80_USB_P3_4,
214         GPIO81_USB_P3_5,
215         GPIO82_USB_P3_6,
216         GPIO0_2_USBH_PEN,
217 };
218
219 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
220 static struct resource dm9000_resources[] = {
221         [0] = {
222                 .start  = CM_X300_ETH_PHYS,
223                 .end    = CM_X300_ETH_PHYS + 0x3,
224                 .flags  = IORESOURCE_MEM,
225         },
226         [1] = {
227                 .start  = CM_X300_ETH_PHYS + 0x4,
228                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
229                 .flags  = IORESOURCE_MEM,
230         },
231         [2] = {
232                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
233                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
234                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
235         }
236 };
237
238 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
239         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
240 };
241
242 static struct platform_device dm9000_device = {
243         .name           = "dm9000",
244         .id             = 0,
245         .num_resources  = ARRAY_SIZE(dm9000_resources),
246         .resource       = dm9000_resources,
247         .dev            = {
248                 .platform_data = &cm_x300_dm9000_platdata,
249         }
250
251 };
252
253 static void __init cm_x300_init_dm9000(void)
254 {
255         platform_device_register(&dm9000_device);
256 }
257 #else
258 static inline void cm_x300_init_dm9000(void) {}
259 #endif
260
261 /* LCD */
262 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
263 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
264         [0] = {
265                 .pixclock       = 38250,
266                 .bpp            = 16,
267                 .xres           = 480,
268                 .yres           = 640,
269                 .hsync_len      = 8,
270                 .vsync_len      = 2,
271                 .left_margin    = 8,
272                 .upper_margin   = 2,
273                 .right_margin   = 24,
274                 .lower_margin   = 4,
275                 .cmap_greyscale = 0,
276         },
277         [1] = {
278                 .pixclock       = 153800,
279                 .bpp            = 16,
280                 .xres           = 240,
281                 .yres           = 320,
282                 .hsync_len      = 8,
283                 .vsync_len      = 2,
284                 .left_margin    = 8,
285                 .upper_margin   = 2,
286                 .right_margin   = 88,
287                 .lower_margin   = 2,
288                 .cmap_greyscale = 0,
289         },
290 };
291
292 static struct pxafb_mach_info cm_x300_lcd = {
293         .modes                  = cm_x300_lcd_modes,
294         .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
295         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
296 };
297
298 static void __init cm_x300_init_lcd(void)
299 {
300         pxa_set_fb_info(NULL, &cm_x300_lcd);
301 }
302 #else
303 static inline void cm_x300_init_lcd(void) {}
304 #endif
305
306 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
307 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
308         .pwm_id         = 2,
309         .max_brightness = 100,
310         .dft_brightness = 100,
311         .pwm_period_ns  = 10000,
312 };
313
314 static struct platform_device cm_x300_backlight_device = {
315         .name           = "pwm-backlight",
316         .dev            = {
317                 .parent = &pxa27x_device_pwm0.dev,
318                 .platform_data  = &cm_x300_backlight_data,
319         },
320 };
321
322 static void cm_x300_init_bl(void)
323 {
324         platform_device_register(&cm_x300_backlight_device);
325 }
326 #else
327 static inline void cm_x300_init_bl(void) {}
328 #endif
329
330 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
331 #define GPIO_LCD_BASE   (144)
332 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
333 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
334 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
335 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
336 #define LCD_SPI_BUS_NUM (1)
337
338 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
339         .sck            = GPIO_LCD_SCL,
340         .mosi           = GPIO_LCD_DIN,
341         .miso           = GPIO_LCD_DOUT,
342         .num_chipselect = 1,
343 };
344
345 static struct platform_device cm_x300_spi_gpio = {
346         .name           = "spi_gpio",
347         .id             = LCD_SPI_BUS_NUM,
348         .dev            = {
349                 .platform_data  = &cm_x300_spi_gpio_pdata,
350         },
351 };
352
353 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
354         .model = TDO35S,
355 };
356
357 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
358         {
359                 .modalias               = "tdo24m",
360                 .max_speed_hz           = 1000000,
361                 .bus_num                = LCD_SPI_BUS_NUM,
362                 .chip_select            = 0,
363                 .controller_data        = (void *) GPIO_LCD_CS,
364                 .platform_data          = &cm_x300_tdo24m_pdata,
365         },
366 };
367
368 static void __init cm_x300_init_spi(void)
369 {
370         spi_register_board_info(cm_x300_spi_devices,
371                                 ARRAY_SIZE(cm_x300_spi_devices));
372         platform_device_register(&cm_x300_spi_gpio);
373 }
374 #else
375 static inline void cm_x300_init_spi(void) {}
376 #endif
377
378 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
379 static void __init cm_x300_init_ac97(void)
380 {
381         pxa_set_ac97_info(NULL);
382 }
383 #else
384 static inline void cm_x300_init_ac97(void) {}
385 #endif
386
387 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
388 static struct mtd_partition cm_x300_nand_partitions[] = {
389         [0] = {
390                 .name        = "OBM",
391                 .offset      = 0,
392                 .size        = SZ_256K,
393                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
394         },
395         [1] = {
396                 .name        = "U-Boot",
397                 .offset      = MTDPART_OFS_APPEND,
398                 .size        = SZ_256K,
399                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
400         },
401         [2] = {
402                 .name        = "Environment",
403                 .offset      = MTDPART_OFS_APPEND,
404                 .size        = SZ_256K,
405         },
406         [3] = {
407                 .name        = "reserved",
408                 .offset      = MTDPART_OFS_APPEND,
409                 .size        = SZ_256K + SZ_1M,
410                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
411         },
412         [4] = {
413                 .name        = "kernel",
414                 .offset      = MTDPART_OFS_APPEND,
415                 .size        = SZ_4M,
416         },
417         [5] = {
418                 .name        = "fs",
419                 .offset      = MTDPART_OFS_APPEND,
420                 .size        = MTDPART_SIZ_FULL,
421         },
422 };
423
424 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
425         .enable_arbiter = 1,
426         .keep_config    = 1,
427         .parts          = cm_x300_nand_partitions,
428         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
429 };
430
431 static void __init cm_x300_init_nand(void)
432 {
433         pxa3xx_set_nand_info(&cm_x300_nand_info);
434 }
435 #else
436 static inline void cm_x300_init_nand(void) {}
437 #endif
438
439 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
440 static struct pxamci_platform_data cm_x300_mci_platform_data = {
441         .detect_delay_ms        = 200,
442         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
443         .gpio_card_detect       = GPIO82_MMC_IRQ,
444         .gpio_card_ro           = GPIO85_MMC_WP,
445         .gpio_power             = -1,
446 };
447
448 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
449    no detection/ro pins */
450 static int cm_x300_mci2_init(struct device *dev,
451                              irq_handler_t cm_x300_detect_int,
452         void *data)
453 {
454         return 0;
455 }
456
457 static void cm_x300_mci2_exit(struct device *dev, void *data)
458 {
459 }
460
461 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
462         .detect_delay_ms        = 200,
463         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
464         .init                   = cm_x300_mci2_init,
465         .exit                   = cm_x300_mci2_exit,
466         .gpio_card_detect       = -1,
467         .gpio_card_ro           = -1,
468         .gpio_power             = -1,
469 };
470
471 static void __init cm_x300_init_mmc(void)
472 {
473         pxa_set_mci_info(&cm_x300_mci_platform_data);
474         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
475 }
476 #else
477 static inline void cm_x300_init_mmc(void) {}
478 #endif
479
480 #if defined(CONFIG_PXA310_ULPI)
481 static struct clk *pout_clk;
482
483 static int cm_x300_ulpi_phy_reset(void)
484 {
485         int err;
486
487         /* reset the PHY */
488         err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
489                                "ulpi reset");
490         if (err) {
491                 pr_err("failed to request ULPI reset GPIO: %d\n", err);
492                 return err;
493         }
494
495         msleep(10);
496         gpio_set_value(GPIO_ULPI_PHY_RST, 1);
497         msleep(10);
498
499         gpio_free(GPIO_ULPI_PHY_RST);
500
501         return 0;
502 }
503
504 static inline int cm_x300_u2d_init(struct device *dev)
505 {
506         int err = 0;
507
508         if (cpu_is_pxa310()) {
509                 /* CLK_POUT is connected to the ULPI PHY */
510                 pout_clk = clk_get(NULL, "CLK_POUT");
511                 if (IS_ERR(pout_clk)) {
512                         err = PTR_ERR(pout_clk);
513                         pr_err("failed to get CLK_POUT: %d\n", err);
514                         return err;
515                 }
516                 clk_enable(pout_clk);
517
518                 err = cm_x300_ulpi_phy_reset();
519                 if (err) {
520                         clk_disable(pout_clk);
521                         clk_put(pout_clk);
522                 }
523         }
524
525         return err;
526 }
527
528 static void cm_x300_u2d_exit(struct device *dev)
529 {
530         if (cpu_is_pxa310()) {
531                 clk_disable(pout_clk);
532                 clk_put(pout_clk);
533         }
534 }
535
536 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
537         .ulpi_mode      = ULPI_SER_6PIN,
538         .init           = cm_x300_u2d_init,
539         .exit           = cm_x300_u2d_exit,
540 };
541
542 static void cm_x300_init_u2d(void)
543 {
544         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
545 }
546 #else
547 static inline void cm_x300_init_u2d(void) {}
548 #endif
549
550 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
551 static int cm_x300_ohci_init(struct device *dev)
552 {
553         if (cpu_is_pxa300())
554                 UP2OCR = UP2OCR_HXS
555                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
556
557         return 0;
558 }
559
560 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
561         .port_mode      = PMM_PERPORT_MODE,
562         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
563         .init           = cm_x300_ohci_init,
564 };
565
566 static void __init cm_x300_init_ohci(void)
567 {
568         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
569 }
570 #else
571 static inline void cm_x300_init_ohci(void) {}
572 #endif
573
574 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
575 static struct gpio_led cm_x300_leds[] = {
576         [0] = {
577                 .name = "cm-x300:green",
578                 .default_trigger = "heartbeat",
579                 .active_low = 1,
580         },
581 };
582
583 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
584         .num_leds = ARRAY_SIZE(cm_x300_leds),
585         .leds = cm_x300_leds,
586 };
587
588 static struct platform_device cm_x300_led_device = {
589         .name           = "leds-gpio",
590         .id             = -1,
591         .dev            = {
592                 .platform_data = &cm_x300_gpio_led_pdata,
593         },
594 };
595
596 static void __init cm_x300_init_leds(void)
597 {
598         if (system_rev < 130)
599                 cm_x300_leds[0].gpio = 79;
600         else
601                 cm_x300_leds[0].gpio = 76;
602
603         platform_device_register(&cm_x300_led_device);
604 }
605 #else
606 static inline void cm_x300_init_leds(void) {}
607 #endif
608
609 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
610 /* PCA9555 */
611 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
612         .gpio_base = 128,
613 };
614
615 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
616         .gpio_base = 144,
617 };
618
619 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
620         [0] = {
621                 I2C_BOARD_INFO("pca9555", 0x24),
622                 .platform_data = &cm_x300_gpio_ext_pdata_0,
623         },
624         [1] = {
625                 I2C_BOARD_INFO("pca9555", 0x25),
626                 .platform_data = &cm_x300_gpio_ext_pdata_1,
627         },
628 };
629
630 static void __init cm_x300_init_i2c(void)
631 {
632         pxa_set_i2c_info(NULL);
633         i2c_register_board_info(0, cm_x300_gpio_ext_info,
634                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
635 }
636 #else
637 static inline void cm_x300_init_i2c(void) {}
638 #endif
639
640 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
641 struct v3020_platform_data cm_x300_v3020_pdata = {
642         .use_gpio       = 1,
643         .gpio_cs        = GPIO95_RTC_CS,
644         .gpio_wr        = GPIO96_RTC_WR,
645         .gpio_rd        = GPIO97_RTC_RD,
646         .gpio_io        = GPIO98_RTC_IO,
647 };
648
649 static struct platform_device cm_x300_rtc_device = {
650         .name           = "v3020",
651         .id             = -1,
652         .dev            = {
653                 .platform_data = &cm_x300_v3020_pdata,
654         }
655 };
656
657 static void __init cm_x300_init_rtc(void)
658 {
659         platform_device_register(&cm_x300_rtc_device);
660 }
661 #else
662 static inline void cm_x300_init_rtc(void) {}
663 #endif
664
665 /* Battery */
666 struct power_supply_info cm_x300_psy_info = {
667         .name = "battery",
668         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
669         .voltage_max_design = 4200000,
670         .voltage_min_design = 3000000,
671         .use_for_apm = 1,
672 };
673
674 static void cm_x300_battery_low(void)
675 {
676 #if defined(CONFIG_APM_EMULATION)
677         apm_queue_event(APM_LOW_BATTERY);
678 #endif
679 }
680
681 static void cm_x300_battery_critical(void)
682 {
683 #if defined(CONFIG_APM_EMULATION)
684         apm_queue_event(APM_CRITICAL_SUSPEND);
685 #endif
686 }
687
688 struct da9030_battery_info cm_x300_battery_info = {
689         .battery_info = &cm_x300_psy_info,
690
691         .charge_milliamp = 1000,
692         .charge_millivolt = 4200,
693
694         .vbat_low = 3600,
695         .vbat_crit = 3400,
696         .vbat_charge_start = 4100,
697         .vbat_charge_stop = 4200,
698         .vbat_charge_restart = 4000,
699
700         .vcharge_min = 3200,
701         .vcharge_max = 5500,
702
703         .tbat_low = 197,
704         .tbat_high = 78,
705         .tbat_restart = 100,
706
707         .batmon_interval = 0,
708
709         .battery_low = cm_x300_battery_low,
710         .battery_critical = cm_x300_battery_critical,
711 };
712
713 static struct regulator_consumer_supply buck2_consumers[] = {
714         {
715                 .dev = NULL,
716                 .supply = "vcc_core",
717         },
718 };
719
720 static struct regulator_init_data buck2_data = {
721         .constraints = {
722                 .min_uV = 1375000,
723                 .max_uV = 1375000,
724                 .state_mem = {
725                         .enabled = 0,
726                 },
727                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
728                 .apply_uV = 1,
729         },
730         .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
731         .consumer_supplies = buck2_consumers,
732 };
733
734 /* DA9030 */
735 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
736         {
737                 .name = "da903x-battery",
738                 .id = DA9030_ID_BAT,
739                 .platform_data = &cm_x300_battery_info,
740         },
741         {
742                 .name = "da903x-regulator",
743                 .id = DA9030_ID_BUCK2,
744                 .platform_data = &buck2_data,
745         },
746 };
747
748 static struct da903x_platform_data cm_x300_da9030_info = {
749         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
750         .subdevs = cm_x300_da9030_subdevs,
751 };
752
753 static struct i2c_board_info cm_x300_pmic_info = {
754         I2C_BOARD_INFO("da9030", 0x49),
755         .irq = IRQ_WAKEUP0,
756         .platform_data = &cm_x300_da9030_info,
757 };
758
759 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
760         .use_pio = 1,
761 };
762
763 static void __init cm_x300_init_da9030(void)
764 {
765         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
766         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
767         irq_set_irq_wake(IRQ_WAKEUP0, 1);
768 }
769
770 /* wi2wi gpio setting for system_rev >= 130 */
771 static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
772         { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
773         { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
774 };
775
776 static void __init cm_x300_init_wi2wi(void)
777 {
778         int bt_reset, wlan_en;
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(bt_reset, 0);
795         udelay(10);
796         gpio_set_value(bt_reset, 1);
797
798         gpio_free(wlan_en);
799         gpio_free(bt_reset);
800 }
801
802 /* MFP */
803 static void __init cm_x300_init_mfp(void)
804 {
805         /* board-processor specific GPIO initialization */
806         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
807
808         if (system_rev < 130)
809                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
810         else
811                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
812
813         if (cpu_is_pxa310())
814                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
815 }
816
817 static void __init cm_x300_init(void)
818 {
819         cm_x300_init_mfp();
820
821         pxa_set_btuart_info(NULL);
822         pxa_set_stuart_info(NULL);
823         if (cpu_is_pxa300())
824                 pxa_set_ffuart_info(NULL);
825
826         cm_x300_init_da9030();
827         cm_x300_init_dm9000();
828         cm_x300_init_lcd();
829         cm_x300_init_u2d();
830         cm_x300_init_ohci();
831         cm_x300_init_mmc();
832         cm_x300_init_nand();
833         cm_x300_init_leds();
834         cm_x300_init_i2c();
835         cm_x300_init_spi();
836         cm_x300_init_rtc();
837         cm_x300_init_ac97();
838         cm_x300_init_wi2wi();
839         cm_x300_init_bl();
840 }
841
842 static void __init cm_x300_fixup(struct tag *tags, char **cmdline,
843                                  struct meminfo *mi)
844 {
845         /* Make sure that mi->bank[0].start = PHYS_ADDR */
846         for (; tags->hdr.size; tags = tag_next(tags))
847                 if (tags->hdr.tag == ATAG_MEM &&
848                         tags->u.mem.start == 0x80000000) {
849                         tags->u.mem.start = 0xa0000000;
850                         break;
851                 }
852 }
853
854 MACHINE_START(CM_X300, "CM-X300 module")
855         .boot_params    = 0xa0000100,
856         .map_io         = pxa3xx_map_io,
857         .init_irq       = pxa3xx_init_irq,
858         .handle_irq     = pxa3xx_handle_irq,
859         .timer          = &pxa_timer,
860         .init_machine   = cm_x300_init,
861         .fixup          = cm_x300_fixup,
862 MACHINE_END