Merge commit 'v2.6.39' into 20110526
[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
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/interrupt.h>
19 #include <linux/init.h>
20 #include <linux/delay.h>
21 #include <linux/platform_device.h>
22 #include <linux/clk.h>
23
24 #include <linux/gpio.h>
25 #include <linux/dm9000.h>
26 #include <linux/leds.h>
27 #include <linux/rtc-v3020.h>
28 #include <linux/pwm_backlight.h>
29
30 #include <linux/i2c.h>
31 #include <linux/i2c/pca953x.h>
32 #include <linux/i2c/pxa-i2c.h>
33
34 #include <linux/mfd/da903x.h>
35 #include <linux/regulator/machine.h>
36 #include <linux/power_supply.h>
37 #include <linux/apm-emulation.h>
38
39 #include <linux/spi/spi.h>
40 #include <linux/spi/spi_gpio.h>
41 #include <linux/spi/tdo24m.h>
42
43 #include <asm/mach-types.h>
44 #include <asm/mach/arch.h>
45 #include <asm/setup.h>
46
47 #include <mach/pxa300.h>
48 #include <mach/pxa27x-udc.h>
49 #include <mach/pxafb.h>
50 #include <mach/mmc.h>
51 #include <mach/ohci.h>
52 #include <plat/pxa3xx_nand.h>
53 #include <mach/audio.h>
54 #include <mach/pxa3xx-u2d.h>
55
56 #include <asm/mach/map.h>
57
58 #include "generic.h"
59 #include "devices.h"
60
61 #define CM_X300_ETH_PHYS        0x08000010
62
63 #define GPIO82_MMC_IRQ          (82)
64 #define GPIO85_MMC_WP           (85)
65
66 #define CM_X300_MMC_IRQ         IRQ_GPIO(GPIO82_MMC_IRQ)
67
68 #define GPIO95_RTC_CS           (95)
69 #define GPIO96_RTC_WR           (96)
70 #define GPIO97_RTC_RD           (97)
71 #define GPIO98_RTC_IO           (98)
72
73 #define GPIO_ULPI_PHY_RST       (127)
74
75 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
76         /* LCD */
77         GPIO54_LCD_LDD_0,
78         GPIO55_LCD_LDD_1,
79         GPIO56_LCD_LDD_2,
80         GPIO57_LCD_LDD_3,
81         GPIO58_LCD_LDD_4,
82         GPIO59_LCD_LDD_5,
83         GPIO60_LCD_LDD_6,
84         GPIO61_LCD_LDD_7,
85         GPIO62_LCD_LDD_8,
86         GPIO63_LCD_LDD_9,
87         GPIO64_LCD_LDD_10,
88         GPIO65_LCD_LDD_11,
89         GPIO66_LCD_LDD_12,
90         GPIO67_LCD_LDD_13,
91         GPIO68_LCD_LDD_14,
92         GPIO69_LCD_LDD_15,
93         GPIO72_LCD_FCLK,
94         GPIO73_LCD_LCLK,
95         GPIO74_LCD_PCLK,
96         GPIO75_LCD_BIAS,
97
98         /* BTUART */
99         GPIO111_UART2_RTS,
100         GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
101         GPIO113_UART2_TXD,
102         GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
103
104         /* STUART */
105         GPIO109_UART3_TXD,
106         GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
107
108         /* AC97 */
109         GPIO23_AC97_nACRESET,
110         GPIO24_AC97_SYSCLK,
111         GPIO29_AC97_BITCLK,
112         GPIO25_AC97_SDATA_IN_0,
113         GPIO27_AC97_SDATA_OUT,
114         GPIO28_AC97_SYNC,
115
116         /* Keypad */
117         GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
118         GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
119         GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
120         GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
121         GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
122         GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
123         GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
124         GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
125         GPIO121_KP_MKOUT_0,
126         GPIO122_KP_MKOUT_1,
127         GPIO123_KP_MKOUT_2,
128         GPIO124_KP_MKOUT_3,
129         GPIO125_KP_MKOUT_4,
130         GPIO4_2_KP_MKOUT_5,
131
132         /* MMC1 */
133         GPIO3_MMC1_DAT0,
134         GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
135         GPIO5_MMC1_DAT2,
136         GPIO6_MMC1_DAT3,
137         GPIO7_MMC1_CLK,
138         GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
139
140         /* MMC2 */
141         GPIO9_MMC2_DAT0,
142         GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
143         GPIO11_MMC2_DAT2,
144         GPIO12_MMC2_DAT3,
145         GPIO13_MMC2_CLK,
146         GPIO14_MMC2_CMD,
147
148         /* FFUART */
149         GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
150         GPIO31_UART1_TXD,
151         GPIO32_UART1_CTS,
152         GPIO37_UART1_RTS,
153         GPIO33_UART1_DCD,
154         GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
155         GPIO35_UART1_RI,
156         GPIO36_UART1_DTR,
157
158         /* GPIOs */
159         GPIO82_GPIO | MFP_PULL_HIGH,    /* MMC CD */
160         GPIO85_GPIO,                    /* MMC WP */
161         GPIO99_GPIO,                    /* Ethernet IRQ */
162
163         /* RTC GPIOs */
164         GPIO95_GPIO,                    /* RTC CS */
165         GPIO96_GPIO,                    /* RTC WR */
166         GPIO97_GPIO,                    /* RTC RD */
167         GPIO98_GPIO,                    /* RTC IO */
168
169         /* Standard I2C */
170         GPIO21_I2C_SCL,
171         GPIO22_I2C_SDA,
172
173         /* PWM Backlight */
174         GPIO19_PWM2_OUT,
175 };
176
177 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
178         /* GPIOs */
179         GPIO79_GPIO,                    /* LED */
180         GPIO77_GPIO,                    /* WiFi reset */
181         GPIO78_GPIO,                    /* BT reset */
182 };
183
184 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
185         /* GPIOs */
186         GPIO76_GPIO,                    /* LED */
187         GPIO71_GPIO,                    /* WiFi reset */
188         GPIO70_GPIO,                    /* BT reset */
189 };
190
191 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
192         /* USB PORT 2 */
193         ULPI_STP,
194         ULPI_NXT,
195         ULPI_DIR,
196         GPIO30_ULPI_DATA_OUT_0,
197         GPIO31_ULPI_DATA_OUT_1,
198         GPIO32_ULPI_DATA_OUT_2,
199         GPIO33_ULPI_DATA_OUT_3,
200         GPIO34_ULPI_DATA_OUT_4,
201         GPIO35_ULPI_DATA_OUT_5,
202         GPIO36_ULPI_DATA_OUT_6,
203         GPIO37_ULPI_DATA_OUT_7,
204         GPIO38_ULPI_CLK,
205         /* external PHY reset pin */
206         GPIO127_GPIO,
207
208         /* USB PORT 3 */
209         GPIO77_USB_P3_1,
210         GPIO78_USB_P3_2,
211         GPIO79_USB_P3_3,
212         GPIO80_USB_P3_4,
213         GPIO81_USB_P3_5,
214         GPIO82_USB_P3_6,
215         GPIO0_2_USBH_PEN,
216 };
217
218 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
219 static struct resource dm9000_resources[] = {
220         [0] = {
221                 .start  = CM_X300_ETH_PHYS,
222                 .end    = CM_X300_ETH_PHYS + 0x3,
223                 .flags  = IORESOURCE_MEM,
224         },
225         [1] = {
226                 .start  = CM_X300_ETH_PHYS + 0x4,
227                 .end    = CM_X300_ETH_PHYS + 0x4 + 500,
228                 .flags  = IORESOURCE_MEM,
229         },
230         [2] = {
231                 .start  = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
232                 .end    = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
233                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
234         }
235 };
236
237 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
238         .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
239 };
240
241 static struct platform_device dm9000_device = {
242         .name           = "dm9000",
243         .id             = 0,
244         .num_resources  = ARRAY_SIZE(dm9000_resources),
245         .resource       = dm9000_resources,
246         .dev            = {
247                 .platform_data = &cm_x300_dm9000_platdata,
248         }
249
250 };
251
252 static void __init cm_x300_init_dm9000(void)
253 {
254         platform_device_register(&dm9000_device);
255 }
256 #else
257 static inline void cm_x300_init_dm9000(void) {}
258 #endif
259
260 /* LCD */
261 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
262 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
263         [0] = {
264                 .pixclock       = 38250,
265                 .bpp            = 16,
266                 .xres           = 480,
267                 .yres           = 640,
268                 .hsync_len      = 8,
269                 .vsync_len      = 2,
270                 .left_margin    = 8,
271                 .upper_margin   = 2,
272                 .right_margin   = 24,
273                 .lower_margin   = 4,
274                 .cmap_greyscale = 0,
275         },
276         [1] = {
277                 .pixclock       = 153800,
278                 .bpp            = 16,
279                 .xres           = 240,
280                 .yres           = 320,
281                 .hsync_len      = 8,
282                 .vsync_len      = 2,
283                 .left_margin    = 8,
284                 .upper_margin   = 2,
285                 .right_margin   = 88,
286                 .lower_margin   = 2,
287                 .cmap_greyscale = 0,
288         },
289 };
290
291 static struct pxafb_mach_info cm_x300_lcd = {
292         .modes                  = cm_x300_lcd_modes,
293         .num_modes              = ARRAY_SIZE(cm_x300_lcd_modes),
294         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
295 };
296
297 static void __init cm_x300_init_lcd(void)
298 {
299         pxa_set_fb_info(NULL, &cm_x300_lcd);
300 }
301 #else
302 static inline void cm_x300_init_lcd(void) {}
303 #endif
304
305 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
306 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
307         .pwm_id         = 2,
308         .max_brightness = 100,
309         .dft_brightness = 100,
310         .pwm_period_ns  = 10000,
311 };
312
313 static struct platform_device cm_x300_backlight_device = {
314         .name           = "pwm-backlight",
315         .dev            = {
316                 .parent = &pxa27x_device_pwm0.dev,
317                 .platform_data  = &cm_x300_backlight_data,
318         },
319 };
320
321 static void cm_x300_init_bl(void)
322 {
323         platform_device_register(&cm_x300_backlight_device);
324 }
325 #else
326 static inline void cm_x300_init_bl(void) {}
327 #endif
328
329 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
330 #define GPIO_LCD_BASE   (144)
331 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
332 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
333 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
334 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
335 #define LCD_SPI_BUS_NUM (1)
336
337 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
338         .sck            = GPIO_LCD_SCL,
339         .mosi           = GPIO_LCD_DIN,
340         .miso           = GPIO_LCD_DOUT,
341         .num_chipselect = 1,
342 };
343
344 static struct platform_device cm_x300_spi_gpio = {
345         .name           = "spi_gpio",
346         .id             = LCD_SPI_BUS_NUM,
347         .dev            = {
348                 .platform_data  = &cm_x300_spi_gpio_pdata,
349         },
350 };
351
352 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
353         .model = TDO35S,
354 };
355
356 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
357         {
358                 .modalias               = "tdo24m",
359                 .max_speed_hz           = 1000000,
360                 .bus_num                = LCD_SPI_BUS_NUM,
361                 .chip_select            = 0,
362                 .controller_data        = (void *) GPIO_LCD_CS,
363                 .platform_data          = &cm_x300_tdo24m_pdata,
364         },
365 };
366
367 static void __init cm_x300_init_spi(void)
368 {
369         spi_register_board_info(cm_x300_spi_devices,
370                                 ARRAY_SIZE(cm_x300_spi_devices));
371         platform_device_register(&cm_x300_spi_gpio);
372 }
373 #else
374 static inline void cm_x300_init_spi(void) {}
375 #endif
376
377 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
378 static void __init cm_x300_init_ac97(void)
379 {
380         pxa_set_ac97_info(NULL);
381 }
382 #else
383 static inline void cm_x300_init_ac97(void) {}
384 #endif
385
386 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
387 static struct mtd_partition cm_x300_nand_partitions[] = {
388         [0] = {
389                 .name        = "OBM",
390                 .offset      = 0,
391                 .size        = SZ_256K,
392                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
393         },
394         [1] = {
395                 .name        = "U-Boot",
396                 .offset      = MTDPART_OFS_APPEND,
397                 .size        = SZ_256K,
398                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
399         },
400         [2] = {
401                 .name        = "Environment",
402                 .offset      = MTDPART_OFS_APPEND,
403                 .size        = SZ_256K,
404         },
405         [3] = {
406                 .name        = "reserved",
407                 .offset      = MTDPART_OFS_APPEND,
408                 .size        = SZ_256K + SZ_1M,
409                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
410         },
411         [4] = {
412                 .name        = "kernel",
413                 .offset      = MTDPART_OFS_APPEND,
414                 .size        = SZ_4M,
415         },
416         [5] = {
417                 .name        = "fs",
418                 .offset      = MTDPART_OFS_APPEND,
419                 .size        = MTDPART_SIZ_FULL,
420         },
421 };
422
423 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
424         .enable_arbiter = 1,
425         .keep_config    = 1,
426         .parts          = cm_x300_nand_partitions,
427         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
428 };
429
430 static void __init cm_x300_init_nand(void)
431 {
432         pxa3xx_set_nand_info(&cm_x300_nand_info);
433 }
434 #else
435 static inline void cm_x300_init_nand(void) {}
436 #endif
437
438 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
439 static struct pxamci_platform_data cm_x300_mci_platform_data = {
440         .detect_delay_ms        = 200,
441         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
442         .gpio_card_detect       = GPIO82_MMC_IRQ,
443         .gpio_card_ro           = GPIO85_MMC_WP,
444         .gpio_power             = -1,
445 };
446
447 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
448    no detection/ro pins */
449 static int cm_x300_mci2_init(struct device *dev,
450                              irq_handler_t cm_x300_detect_int,
451         void *data)
452 {
453         return 0;
454 }
455
456 static void cm_x300_mci2_exit(struct device *dev, void *data)
457 {
458 }
459
460 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
461         .detect_delay_ms        = 200,
462         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
463         .init                   = cm_x300_mci2_init,
464         .exit                   = cm_x300_mci2_exit,
465         .gpio_card_detect       = -1,
466         .gpio_card_ro           = -1,
467         .gpio_power             = -1,
468 };
469
470 static void __init cm_x300_init_mmc(void)
471 {
472         pxa_set_mci_info(&cm_x300_mci_platform_data);
473         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
474 }
475 #else
476 static inline void cm_x300_init_mmc(void) {}
477 #endif
478
479 #if defined(CONFIG_PXA310_ULPI)
480 static struct clk *pout_clk;
481
482 static int cm_x300_ulpi_phy_reset(void)
483 {
484         int err;
485
486         /* reset the PHY */
487         err = gpio_request(GPIO_ULPI_PHY_RST, "ulpi reset");
488         if (err) {
489                 pr_err("%s: failed to request ULPI reset GPIO: %d\n",
490                        __func__, err);
491                 return err;
492         }
493
494         gpio_direction_output(GPIO_ULPI_PHY_RST, 0);
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("%s: failed to get CLK_POUT: %d\n",
514                                __func__, err);
515                         return err;
516                 }
517                 clk_enable(pout_clk);
518
519                 err = cm_x300_ulpi_phy_reset();
520                 if (err) {
521                         clk_disable(pout_clk);
522                         clk_put(pout_clk);
523                 }
524         }
525
526         return err;
527 }
528
529 static void cm_x300_u2d_exit(struct device *dev)
530 {
531         if (cpu_is_pxa310()) {
532                 clk_disable(pout_clk);
533                 clk_put(pout_clk);
534         }
535 }
536
537 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
538         .ulpi_mode      = ULPI_SER_6PIN,
539         .init           = cm_x300_u2d_init,
540         .exit           = cm_x300_u2d_exit,
541 };
542
543 static void cm_x300_init_u2d(void)
544 {
545         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
546 }
547 #else
548 static inline void cm_x300_init_u2d(void) {}
549 #endif
550
551 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
552 static int cm_x300_ohci_init(struct device *dev)
553 {
554         if (cpu_is_pxa300())
555                 UP2OCR = UP2OCR_HXS
556                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
557
558         return 0;
559 }
560
561 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
562         .port_mode      = PMM_PERPORT_MODE,
563         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
564         .init           = cm_x300_ohci_init,
565 };
566
567 static void __init cm_x300_init_ohci(void)
568 {
569         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
570 }
571 #else
572 static inline void cm_x300_init_ohci(void) {}
573 #endif
574
575 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
576 static struct gpio_led cm_x300_leds[] = {
577         [0] = {
578                 .name = "cm-x300:green",
579                 .default_trigger = "heartbeat",
580                 .active_low = 1,
581         },
582 };
583
584 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
585         .num_leds = ARRAY_SIZE(cm_x300_leds),
586         .leds = cm_x300_leds,
587 };
588
589 static struct platform_device cm_x300_led_device = {
590         .name           = "leds-gpio",
591         .id             = -1,
592         .dev            = {
593                 .platform_data = &cm_x300_gpio_led_pdata,
594         },
595 };
596
597 static void __init cm_x300_init_leds(void)
598 {
599         if (system_rev < 130)
600                 cm_x300_leds[0].gpio = 79;
601         else
602                 cm_x300_leds[0].gpio = 76;
603
604         platform_device_register(&cm_x300_led_device);
605 }
606 #else
607 static inline void cm_x300_init_leds(void) {}
608 #endif
609
610 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
611 /* PCA9555 */
612 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
613         .gpio_base = 128,
614 };
615
616 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
617         .gpio_base = 144,
618 };
619
620 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
621         [0] = {
622                 I2C_BOARD_INFO("pca9555", 0x24),
623                 .platform_data = &cm_x300_gpio_ext_pdata_0,
624         },
625         [1] = {
626                 I2C_BOARD_INFO("pca9555", 0x25),
627                 .platform_data = &cm_x300_gpio_ext_pdata_1,
628         },
629 };
630
631 static void __init cm_x300_init_i2c(void)
632 {
633         pxa_set_i2c_info(NULL);
634         i2c_register_board_info(0, cm_x300_gpio_ext_info,
635                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
636 }
637 #else
638 static inline void cm_x300_init_i2c(void) {}
639 #endif
640
641 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
642 struct v3020_platform_data cm_x300_v3020_pdata = {
643         .use_gpio       = 1,
644         .gpio_cs        = GPIO95_RTC_CS,
645         .gpio_wr        = GPIO96_RTC_WR,
646         .gpio_rd        = GPIO97_RTC_RD,
647         .gpio_io        = GPIO98_RTC_IO,
648 };
649
650 static struct platform_device cm_x300_rtc_device = {
651         .name           = "v3020",
652         .id             = -1,
653         .dev            = {
654                 .platform_data = &cm_x300_v3020_pdata,
655         }
656 };
657
658 static void __init cm_x300_init_rtc(void)
659 {
660         platform_device_register(&cm_x300_rtc_device);
661 }
662 #else
663 static inline void cm_x300_init_rtc(void) {}
664 #endif
665
666 /* Battery */
667 struct power_supply_info cm_x300_psy_info = {
668         .name = "battery",
669         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
670         .voltage_max_design = 4200000,
671         .voltage_min_design = 3000000,
672         .use_for_apm = 1,
673 };
674
675 static void cm_x300_battery_low(void)
676 {
677 #if defined(CONFIG_APM_EMULATION)
678         apm_queue_event(APM_LOW_BATTERY);
679 #endif
680 }
681
682 static void cm_x300_battery_critical(void)
683 {
684 #if defined(CONFIG_APM_EMULATION)
685         apm_queue_event(APM_CRITICAL_SUSPEND);
686 #endif
687 }
688
689 struct da9030_battery_info cm_x300_battery_info = {
690         .battery_info = &cm_x300_psy_info,
691
692         .charge_milliamp = 1000,
693         .charge_millivolt = 4200,
694
695         .vbat_low = 3600,
696         .vbat_crit = 3400,
697         .vbat_charge_start = 4100,
698         .vbat_charge_stop = 4200,
699         .vbat_charge_restart = 4000,
700
701         .vcharge_min = 3200,
702         .vcharge_max = 5500,
703
704         .tbat_low = 197,
705         .tbat_high = 78,
706         .tbat_restart = 100,
707
708         .batmon_interval = 0,
709
710         .battery_low = cm_x300_battery_low,
711         .battery_critical = cm_x300_battery_critical,
712 };
713
714 static struct regulator_consumer_supply buck2_consumers[] = {
715         {
716                 .dev = NULL,
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 static void __init cm_x300_init_wi2wi(void)
772 {
773         int bt_reset, wlan_en;
774         int err;
775
776         if (system_rev < 130) {
777                 wlan_en = 77;
778                 bt_reset = 78;
779         } else {
780                 wlan_en = 71;
781                 bt_reset = 70;
782         }
783
784         /* Libertas and CSR reset */
785         err = gpio_request(wlan_en, "wlan en");
786         if (err) {
787                 pr_err("CM-X300: failed to request wlan en gpio: %d\n", err);
788         } else {
789                 gpio_direction_output(wlan_en, 1);
790                 gpio_free(wlan_en);
791         }
792
793         err = gpio_request(bt_reset, "bt reset");
794         if (err) {
795                 pr_err("CM-X300: failed to request bt reset gpio: %d\n", err);
796         } else {
797                 gpio_direction_output(bt_reset, 1);
798                 udelay(10);
799                 gpio_set_value(bt_reset, 0);
800                 udelay(10);
801                 gpio_set_value(bt_reset, 1);
802                 gpio_free(bt_reset);
803         }
804 }
805
806 /* MFP */
807 static void __init cm_x300_init_mfp(void)
808 {
809         /* board-processor specific GPIO initialization */
810         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
811
812         if (system_rev < 130)
813                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
814         else
815                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
816
817         if (cpu_is_pxa310())
818                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
819 }
820
821 static void __init cm_x300_init(void)
822 {
823         cm_x300_init_mfp();
824
825         pxa_set_btuart_info(NULL);
826         pxa_set_stuart_info(NULL);
827         if (cpu_is_pxa300())
828                 pxa_set_ffuart_info(NULL);
829
830         cm_x300_init_da9030();
831         cm_x300_init_dm9000();
832         cm_x300_init_lcd();
833         cm_x300_init_u2d();
834         cm_x300_init_ohci();
835         cm_x300_init_mmc();
836         cm_x300_init_nand();
837         cm_x300_init_leds();
838         cm_x300_init_i2c();
839         cm_x300_init_spi();
840         cm_x300_init_rtc();
841         cm_x300_init_ac97();
842         cm_x300_init_wi2wi();
843         cm_x300_init_bl();
844 }
845
846 static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
847                                  char **cmdline, struct meminfo *mi)
848 {
849         /* Make sure that mi->bank[0].start = PHYS_ADDR */
850         for (; tags->hdr.size; tags = tag_next(tags))
851                 if (tags->hdr.tag == ATAG_MEM &&
852                         tags->u.mem.start == 0x80000000) {
853                         tags->u.mem.start = 0xa0000000;
854                         break;
855                 }
856 }
857
858 MACHINE_START(CM_X300, "CM-X300 module")
859         .boot_params    = 0xa0000100,
860         .map_io         = pxa3xx_map_io,
861         .init_irq       = pxa3xx_init_irq,
862         .timer          = &pxa_timer,
863         .init_machine   = cm_x300_init,
864         .fixup          = cm_x300_fixup,
865 MACHINE_END