Merge tag 'fs.idmapped.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/braune...
[linux-2.6-microblaze.git] / arch / arm / mach-pxa / cm-x300.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * linux/arch/arm/mach-pxa/cm-x300.c
4  *
5  * Support for the CompuLab CM-X300 modules
6  *
7  * Copyright (C) 2008,2009 CompuLab Ltd.
8  *
9  * Mike Rapoport <mike@compulab.co.il>
10  * Igor Grinberg <grinberg@compulab.co.il>
11  */
12 #define pr_fmt(fmt) "%s: " fmt, __func__
13
14 #include <linux/module.h>
15 #include <linux/kernel.h>
16 #include <linux/interrupt.h>
17 #include <linux/init.h>
18 #include <linux/delay.h>
19 #include <linux/platform_device.h>
20 #include <linux/clk.h>
21
22 #include <linux/gpio.h>
23 #include <linux/gpio/machine.h>
24 #include <linux/dm9000.h>
25 #include <linux/leds.h>
26 #include <linux/platform_data/rtc-v3020.h>
27 #include <linux/pwm.h>
28 #include <linux/pwm_backlight.h>
29
30 #include <linux/i2c.h>
31 #include <linux/platform_data/pca953x.h>
32 #include <linux/platform_data/i2c-pxa.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 #include <asm/system_info.h>
47
48 #include "pxa300.h"
49 #include "pxa27x-udc.h"
50 #include <linux/platform_data/video-pxafb.h>
51 #include <linux/platform_data/mmc-pxamci.h>
52 #include <linux/platform_data/usb-ohci-pxa27x.h>
53 #include <linux/platform_data/mtd-nand-pxa3xx.h>
54 #include <mach/audio.h>
55 #include <linux/platform_data/usb-pxa3xx-ulpi.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         PXA_GPIO_TO_IRQ(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  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
233                 .end    = PXA_GPIO_TO_IRQ(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 pwm_lookup cm_x300_pwm_lookup[] = {
308         PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 10000,
309                    PWM_POLARITY_NORMAL),
310 };
311
312 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
313         .max_brightness = 100,
314         .dft_brightness = 100,
315 };
316
317 static struct platform_device cm_x300_backlight_device = {
318         .name           = "pwm-backlight",
319         .dev            = {
320                 .parent = &pxa27x_device_pwm0.dev,
321                 .platform_data  = &cm_x300_backlight_data,
322         },
323 };
324
325 static void cm_x300_init_bl(void)
326 {
327         pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup));
328         platform_device_register(&cm_x300_backlight_device);
329 }
330 #else
331 static inline void cm_x300_init_bl(void) {}
332 #endif
333
334 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
335 #define GPIO_LCD_BASE   (144)
336 #define GPIO_LCD_DIN    (GPIO_LCD_BASE + 8)     /* aux_gpio3_0 */
337 #define GPIO_LCD_DOUT   (GPIO_LCD_BASE + 9)     /* aux_gpio3_1 */
338 #define GPIO_LCD_SCL    (GPIO_LCD_BASE + 10)    /* aux_gpio3_2 */
339 #define GPIO_LCD_CS     (GPIO_LCD_BASE + 11)    /* aux_gpio3_3 */
340 #define LCD_SPI_BUS_NUM (1)
341
342 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
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 gpiod_lookup_table cm_x300_spi_gpiod_table = {
355         .dev_id         = "spi_gpio",
356         .table          = {
357                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_SCL,
358                             "sck", GPIO_ACTIVE_HIGH),
359                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DIN,
360                             "mosi", GPIO_ACTIVE_HIGH),
361                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DOUT,
362                             "miso", GPIO_ACTIVE_HIGH),
363                 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_CS,
364                             "cs", GPIO_ACTIVE_HIGH),
365                 { },
366         },
367 };
368
369 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
370         .model = TDO35S,
371 };
372
373 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
374         {
375                 .modalias               = "tdo24m",
376                 .max_speed_hz           = 1000000,
377                 .bus_num                = LCD_SPI_BUS_NUM,
378                 .chip_select            = 0,
379                 .platform_data          = &cm_x300_tdo24m_pdata,
380         },
381 };
382
383 static void __init cm_x300_init_spi(void)
384 {
385         spi_register_board_info(cm_x300_spi_devices,
386                                 ARRAY_SIZE(cm_x300_spi_devices));
387         gpiod_add_lookup_table(&cm_x300_spi_gpiod_table);
388         platform_device_register(&cm_x300_spi_gpio);
389 }
390 #else
391 static inline void cm_x300_init_spi(void) {}
392 #endif
393
394 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
395 static void __init cm_x300_init_ac97(void)
396 {
397         pxa_set_ac97_info(NULL);
398 }
399 #else
400 static inline void cm_x300_init_ac97(void) {}
401 #endif
402
403 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
404 static struct mtd_partition cm_x300_nand_partitions[] = {
405         [0] = {
406                 .name        = "OBM",
407                 .offset      = 0,
408                 .size        = SZ_256K,
409                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
410         },
411         [1] = {
412                 .name        = "U-Boot",
413                 .offset      = MTDPART_OFS_APPEND,
414                 .size        = SZ_256K,
415                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
416         },
417         [2] = {
418                 .name        = "Environment",
419                 .offset      = MTDPART_OFS_APPEND,
420                 .size        = SZ_256K,
421         },
422         [3] = {
423                 .name        = "reserved",
424                 .offset      = MTDPART_OFS_APPEND,
425                 .size        = SZ_256K + SZ_1M,
426                 .mask_flags  = MTD_WRITEABLE, /* force read-only */
427         },
428         [4] = {
429                 .name        = "kernel",
430                 .offset      = MTDPART_OFS_APPEND,
431                 .size        = SZ_4M,
432         },
433         [5] = {
434                 .name        = "fs",
435                 .offset      = MTDPART_OFS_APPEND,
436                 .size        = MTDPART_SIZ_FULL,
437         },
438 };
439
440 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
441         .keep_config    = 1,
442         .parts          = cm_x300_nand_partitions,
443         .nr_parts       = ARRAY_SIZE(cm_x300_nand_partitions),
444 };
445
446 static void __init cm_x300_init_nand(void)
447 {
448         pxa3xx_set_nand_info(&cm_x300_nand_info);
449 }
450 #else
451 static inline void cm_x300_init_nand(void) {}
452 #endif
453
454 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
455 static struct pxamci_platform_data cm_x300_mci_platform_data = {
456         .detect_delay_ms        = 200,
457         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
458 };
459
460 static struct gpiod_lookup_table cm_x300_mci_gpio_table = {
461         .dev_id = "pxa2xx-mci.0",
462         .table = {
463                 /* Card detect on GPIO 82 */
464                 GPIO_LOOKUP("gpio-pxa", GPIO82_MMC_IRQ, "cd", GPIO_ACTIVE_LOW),
465                 /* Write protect on GPIO 85 */
466                 GPIO_LOOKUP("gpio-pxa", GPIO85_MMC_WP, "wp", GPIO_ACTIVE_LOW),
467                 { },
468         },
469 };
470
471 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
472    no detection/ro pins */
473 static int cm_x300_mci2_init(struct device *dev,
474                              irq_handler_t cm_x300_detect_int,
475         void *data)
476 {
477         return 0;
478 }
479
480 static void cm_x300_mci2_exit(struct device *dev, void *data)
481 {
482 }
483
484 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
485         .detect_delay_ms        = 200,
486         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
487         .init                   = cm_x300_mci2_init,
488         .exit                   = cm_x300_mci2_exit,
489 };
490
491 static void __init cm_x300_init_mmc(void)
492 {
493         gpiod_add_lookup_table(&cm_x300_mci_gpio_table);
494         pxa_set_mci_info(&cm_x300_mci_platform_data);
495         pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
496 }
497 #else
498 static inline void cm_x300_init_mmc(void) {}
499 #endif
500
501 #if defined(CONFIG_PXA310_ULPI)
502 static struct clk *pout_clk;
503
504 static int cm_x300_ulpi_phy_reset(void)
505 {
506         int err;
507
508         /* reset the PHY */
509         err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
510                                "ulpi reset");
511         if (err) {
512                 pr_err("failed to request ULPI reset GPIO: %d\n", err);
513                 return err;
514         }
515
516         msleep(10);
517         gpio_set_value(GPIO_ULPI_PHY_RST, 1);
518         msleep(10);
519
520         gpio_free(GPIO_ULPI_PHY_RST);
521
522         return 0;
523 }
524
525 static int cm_x300_u2d_init(struct device *dev)
526 {
527         int err = 0;
528
529         if (cpu_is_pxa310()) {
530                 /* CLK_POUT is connected to the ULPI PHY */
531                 pout_clk = clk_get(NULL, "CLK_POUT");
532                 if (IS_ERR(pout_clk)) {
533                         err = PTR_ERR(pout_clk);
534                         pr_err("failed to get CLK_POUT: %d\n", err);
535                         return err;
536                 }
537                 clk_prepare_enable(pout_clk);
538
539                 err = cm_x300_ulpi_phy_reset();
540                 if (err) {
541                         clk_disable(pout_clk);
542                         clk_put(pout_clk);
543                 }
544         }
545
546         return err;
547 }
548
549 static void cm_x300_u2d_exit(struct device *dev)
550 {
551         if (cpu_is_pxa310()) {
552                 clk_disable_unprepare(pout_clk);
553                 clk_put(pout_clk);
554         }
555 }
556
557 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
558         .ulpi_mode      = ULPI_SER_6PIN,
559         .init           = cm_x300_u2d_init,
560         .exit           = cm_x300_u2d_exit,
561 };
562
563 static void __init cm_x300_init_u2d(void)
564 {
565         pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
566 }
567 #else
568 static inline void cm_x300_init_u2d(void) {}
569 #endif
570
571 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
572 static int cm_x300_ohci_init(struct device *dev)
573 {
574         if (cpu_is_pxa300())
575                 UP2OCR = UP2OCR_HXS
576                         | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
577
578         return 0;
579 }
580
581 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
582         .port_mode      = PMM_PERPORT_MODE,
583         .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
584         .init           = cm_x300_ohci_init,
585 };
586
587 static void __init cm_x300_init_ohci(void)
588 {
589         pxa_set_ohci_info(&cm_x300_ohci_platform_data);
590 }
591 #else
592 static inline void cm_x300_init_ohci(void) {}
593 #endif
594
595 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
596 static struct gpio_led cm_x300_leds[] = {
597         [0] = {
598                 .name = "cm-x300:green",
599                 .default_trigger = "heartbeat",
600                 .active_low = 1,
601         },
602 };
603
604 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
605         .num_leds = ARRAY_SIZE(cm_x300_leds),
606         .leds = cm_x300_leds,
607 };
608
609 static struct platform_device cm_x300_led_device = {
610         .name           = "leds-gpio",
611         .id             = -1,
612         .dev            = {
613                 .platform_data = &cm_x300_gpio_led_pdata,
614         },
615 };
616
617 static void __init cm_x300_init_leds(void)
618 {
619         if (system_rev < 130)
620                 cm_x300_leds[0].gpio = 79;
621         else
622                 cm_x300_leds[0].gpio = 76;
623
624         platform_device_register(&cm_x300_led_device);
625 }
626 #else
627 static inline void cm_x300_init_leds(void) {}
628 #endif
629
630 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
631 /* PCA9555 */
632 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
633         .gpio_base = 128,
634 };
635
636 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
637         .gpio_base = 144,
638 };
639
640 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
641         [0] = {
642                 I2C_BOARD_INFO("pca9555", 0x24),
643                 .platform_data = &cm_x300_gpio_ext_pdata_0,
644         },
645         [1] = {
646                 I2C_BOARD_INFO("pca9555", 0x25),
647                 .platform_data = &cm_x300_gpio_ext_pdata_1,
648         },
649 };
650
651 static void __init cm_x300_init_i2c(void)
652 {
653         pxa_set_i2c_info(NULL);
654         i2c_register_board_info(0, cm_x300_gpio_ext_info,
655                                 ARRAY_SIZE(cm_x300_gpio_ext_info));
656 }
657 #else
658 static inline void cm_x300_init_i2c(void) {}
659 #endif
660
661 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
662 struct v3020_platform_data cm_x300_v3020_pdata = {
663         .use_gpio       = 1,
664         .gpio_cs        = GPIO95_RTC_CS,
665         .gpio_wr        = GPIO96_RTC_WR,
666         .gpio_rd        = GPIO97_RTC_RD,
667         .gpio_io        = GPIO98_RTC_IO,
668 };
669
670 static struct platform_device cm_x300_rtc_device = {
671         .name           = "v3020",
672         .id             = -1,
673         .dev            = {
674                 .platform_data = &cm_x300_v3020_pdata,
675         }
676 };
677
678 static void __init cm_x300_init_rtc(void)
679 {
680         platform_device_register(&cm_x300_rtc_device);
681 }
682 #else
683 static inline void cm_x300_init_rtc(void) {}
684 #endif
685
686 /* Battery */
687 struct power_supply_info cm_x300_psy_info = {
688         .name = "battery",
689         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
690         .voltage_max_design = 4200000,
691         .voltage_min_design = 3000000,
692         .use_for_apm = 1,
693 };
694
695 static void cm_x300_battery_low(void)
696 {
697 #if defined(CONFIG_APM_EMULATION)
698         apm_queue_event(APM_LOW_BATTERY);
699 #endif
700 }
701
702 static void cm_x300_battery_critical(void)
703 {
704 #if defined(CONFIG_APM_EMULATION)
705         apm_queue_event(APM_CRITICAL_SUSPEND);
706 #endif
707 }
708
709 struct da9030_battery_info cm_x300_battery_info = {
710         .battery_info = &cm_x300_psy_info,
711
712         .charge_milliamp = 1000,
713         .charge_millivolt = 4200,
714
715         .vbat_low = 3600,
716         .vbat_crit = 3400,
717         .vbat_charge_start = 4100,
718         .vbat_charge_stop = 4200,
719         .vbat_charge_restart = 4000,
720
721         .vcharge_min = 3200,
722         .vcharge_max = 5500,
723
724         .tbat_low = 197,
725         .tbat_high = 78,
726         .tbat_restart = 100,
727
728         .batmon_interval = 0,
729
730         .battery_low = cm_x300_battery_low,
731         .battery_critical = cm_x300_battery_critical,
732 };
733
734 static struct regulator_consumer_supply buck2_consumers[] = {
735         REGULATOR_SUPPLY("vcc_core", NULL),
736 };
737
738 static struct regulator_init_data buck2_data = {
739         .constraints = {
740                 .min_uV = 1375000,
741                 .max_uV = 1375000,
742                 .state_mem = {
743                         .enabled = 0,
744                 },
745                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
746                 .apply_uV = 1,
747         },
748         .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
749         .consumer_supplies = buck2_consumers,
750 };
751
752 /* DA9030 */
753 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
754         {
755                 .name = "da903x-battery",
756                 .id = DA9030_ID_BAT,
757                 .platform_data = &cm_x300_battery_info,
758         },
759         {
760                 .name = "da903x-regulator",
761                 .id = DA9030_ID_BUCK2,
762                 .platform_data = &buck2_data,
763         },
764 };
765
766 static struct da903x_platform_data cm_x300_da9030_info = {
767         .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
768         .subdevs = cm_x300_da9030_subdevs,
769 };
770
771 static struct i2c_board_info cm_x300_pmic_info = {
772         I2C_BOARD_INFO("da9030", 0x49),
773         .irq = IRQ_WAKEUP0,
774         .platform_data = &cm_x300_da9030_info,
775 };
776
777 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
778         .use_pio = 1,
779 };
780
781 static void __init cm_x300_init_da9030(void)
782 {
783         pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
784         i2c_register_board_info(1, &cm_x300_pmic_info, 1);
785         irq_set_irq_wake(IRQ_WAKEUP0, 1);
786 }
787
788 /* wi2wi gpio setting for system_rev >= 130 */
789 static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
790         { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
791         { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
792 };
793
794 static void __init cm_x300_init_wi2wi(void)
795 {
796         int err;
797
798         if (system_rev < 130) {
799                 cm_x300_wi2wi_gpios[0].gpio = 77;       /* wlan en */
800                 cm_x300_wi2wi_gpios[1].gpio = 78;       /* bt reset */
801         }
802
803         /* Libertas and CSR reset */
804         err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
805         if (err) {
806                 pr_err("failed to request wifi/bt gpios: %d\n", err);
807                 return;
808         }
809
810         udelay(10);
811         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
812         udelay(10);
813         gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
814
815         gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
816 }
817
818 /* MFP */
819 static void __init cm_x300_init_mfp(void)
820 {
821         /* board-processor specific GPIO initialization */
822         pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
823
824         if (system_rev < 130)
825                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
826         else
827                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
828
829         if (cpu_is_pxa310())
830                 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
831 }
832
833 static void __init cm_x300_init(void)
834 {
835         cm_x300_init_mfp();
836
837         pxa_set_btuart_info(NULL);
838         pxa_set_stuart_info(NULL);
839         if (cpu_is_pxa300())
840                 pxa_set_ffuart_info(NULL);
841
842         cm_x300_init_da9030();
843         cm_x300_init_dm9000();
844         cm_x300_init_lcd();
845         cm_x300_init_u2d();
846         cm_x300_init_ohci();
847         cm_x300_init_mmc();
848         cm_x300_init_nand();
849         cm_x300_init_leds();
850         cm_x300_init_i2c();
851         cm_x300_init_spi();
852         cm_x300_init_rtc();
853         cm_x300_init_ac97();
854         cm_x300_init_wi2wi();
855         cm_x300_init_bl();
856
857         regulator_has_full_constraints();
858 }
859
860 static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
861 {
862         /* Make sure that mi->bank[0].start = PHYS_ADDR */
863         for (; tags->hdr.size; tags = tag_next(tags))
864                 if (tags->hdr.tag == ATAG_MEM &&
865                         tags->u.mem.start == 0x80000000) {
866                         tags->u.mem.start = 0xa0000000;
867                         break;
868                 }
869 }
870
871 MACHINE_START(CM_X300, "CM-X300 module")
872         .atag_offset    = 0x100,
873         .map_io         = pxa3xx_map_io,
874         .nr_irqs        = PXA_NR_IRQS,
875         .init_irq       = pxa3xx_init_irq,
876         .handle_irq     = pxa3xx_handle_irq,
877         .init_time      = pxa_timer_init,
878         .init_machine   = cm_x300_init,
879         .fixup          = cm_x300_fixup,
880         .restart        = pxa_restart,
881 MACHINE_END