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
cm_x300_init_dm9000(void)253 static void __init cm_x300_init_dm9000(void)
254 {
255 platform_device_register(&dm9000_device);
256 }
257 #else
cm_x300_init_dm9000(void)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
cm_x300_init_lcd(void)298 static void __init cm_x300_init_lcd(void)
299 {
300 pxa_set_fb_info(NULL, &cm_x300_lcd);
301 }
302 #else
cm_x300_init_lcd(void)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
cm_x300_init_bl(void)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
cm_x300_init_bl(void)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
cm_x300_init_spi(void)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
cm_x300_init_spi(void)391 static inline void cm_x300_init_spi(void) {}
392 #endif
393
394 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
cm_x300_init_ac97(void)395 static void __init cm_x300_init_ac97(void)
396 {
397 pxa_set_ac97_info(NULL);
398 }
399 #else
cm_x300_init_ac97(void)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
cm_x300_init_nand(void)446 static void __init cm_x300_init_nand(void)
447 {
448 pxa3xx_set_nand_info(&cm_x300_nand_info);
449 }
450 #else
cm_x300_init_nand(void)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 */
cm_x300_mci2_init(struct device * dev,irq_handler_t cm_x300_detect_int,void * data)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
cm_x300_mci2_exit(struct device * dev,void * data)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
cm_x300_init_mmc(void)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
cm_x300_init_mmc(void)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
cm_x300_ulpi_phy_reset(void)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
cm_x300_u2d_init(struct device * dev)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
cm_x300_u2d_exit(struct device * dev)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
cm_x300_init_u2d(void)563 static void __init cm_x300_init_u2d(void)
564 {
565 pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
566 }
567 #else
cm_x300_init_u2d(void)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)
cm_x300_ohci_init(struct device * dev)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
cm_x300_init_ohci(void)587 static void __init cm_x300_init_ohci(void)
588 {
589 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
590 }
591 #else
cm_x300_init_ohci(void)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
cm_x300_init_leds(void)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
cm_x300_init_leds(void)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
cm_x300_init_i2c(void)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
cm_x300_init_i2c(void)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
cm_x300_init_rtc(void)678 static void __init cm_x300_init_rtc(void)
679 {
680 platform_device_register(&cm_x300_rtc_device);
681 }
682 #else
cm_x300_init_rtc(void)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
cm_x300_battery_low(void)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
cm_x300_battery_critical(void)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
cm_x300_init_da9030(void)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
cm_x300_init_wi2wi(void)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 */
cm_x300_init_mfp(void)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
cm_x300_init(void)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
cm_x300_fixup(struct tag * tags,char ** cmdline)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
882