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
cm_x300_init_dm9000(void)254 static void __init cm_x300_init_dm9000(void)
255 {
256 platform_device_register(&dm9000_device);
257 }
258 #else
cm_x300_init_dm9000(void)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
cm_x300_init_lcd(void)299 static void __init cm_x300_init_lcd(void)
300 {
301 pxa_set_fb_info(NULL, &cm_x300_lcd);
302 }
303 #else
cm_x300_init_lcd(void)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
cm_x300_init_bl(void)323 static void cm_x300_init_bl(void)
324 {
325 platform_device_register(&cm_x300_backlight_device);
326 }
327 #else
cm_x300_init_bl(void)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
cm_x300_init_spi(void)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
cm_x300_init_spi(void)376 static inline void cm_x300_init_spi(void) {}
377 #endif
378
379 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
cm_x300_init_ac97(void)380 static void __init cm_x300_init_ac97(void)
381 {
382 pxa_set_ac97_info(NULL);
383 }
384 #else
cm_x300_init_ac97(void)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
cm_x300_init_nand(void)433 static void __init cm_x300_init_nand(void)
434 {
435 pxa3xx_set_nand_info(&cm_x300_nand_info);
436 }
437 #else
cm_x300_init_nand(void)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 */
cm_x300_mci2_init(struct device * dev,irq_handler_t cm_x300_detect_int,void * data)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
cm_x300_mci2_exit(struct device * dev,void * data)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
cm_x300_init_mmc(void)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
cm_x300_init_mmc(void)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
cm_x300_ulpi_phy_reset(void)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
cm_x300_u2d_init(struct device * dev)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
cm_x300_u2d_exit(struct device * dev)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
cm_x300_init_u2d(void)544 static void cm_x300_init_u2d(void)
545 {
546 pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
547 }
548 #else
cm_x300_init_u2d(void)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)
cm_x300_ohci_init(struct device * dev)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
cm_x300_init_ohci(void)568 static void __init cm_x300_init_ohci(void)
569 {
570 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
571 }
572 #else
cm_x300_init_ohci(void)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
cm_x300_init_leds(void)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
cm_x300_init_leds(void)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
cm_x300_init_i2c(void)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
cm_x300_init_i2c(void)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
cm_x300_init_rtc(void)659 static void __init cm_x300_init_rtc(void)
660 {
661 platform_device_register(&cm_x300_rtc_device);
662 }
663 #else
cm_x300_init_rtc(void)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
cm_x300_battery_low(void)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
cm_x300_battery_critical(void)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
cm_x300_init_da9030(void)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
cm_x300_init_wi2wi(void)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 */
cm_x300_init_mfp(void)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
cm_x300_init(void)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
cm_x300_fixup(struct tag * tags,char ** cmdline,struct meminfo * mi)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 .nr_irqs = PXA_NR_IRQS,
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 .restart = pxa_restart,
863 MACHINE_END
864