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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
76static 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
178static 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
185static 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
192static 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)
220static 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
238static struct dm9000_plat_data cm_x300_dm9000_platdata = {
239 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
240};
241
242static 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
253static void __init cm_x300_init_dm9000(void)
254{
255 platform_device_register(&dm9000_device);
256}
257#else
258static inline void cm_x300_init_dm9000(void) {}
259#endif
260
261/* LCD */
262#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
263static 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
292static 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
298static void __init cm_x300_init_lcd(void)
299{
300 pxa_set_fb_info(NULL, &cm_x300_lcd);
301}
302#else
303static inline void cm_x300_init_lcd(void) {}
304#endif
305
306#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
307static 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
312static struct platform_pwm_backlight_data cm_x300_backlight_data = {
313 .max_brightness = 100,
314 .dft_brightness = 100,
315 .enable_gpio = -1,
316};
317
318static struct platform_device cm_x300_backlight_device = {
319 .name = "pwm-backlight",
320 .dev = {
321 .parent = &pxa27x_device_pwm0.dev,
322 .platform_data = &cm_x300_backlight_data,
323 },
324};
325
326static void cm_x300_init_bl(void)
327{
328 pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup));
329 platform_device_register(&cm_x300_backlight_device);
330}
331#else
332static inline void cm_x300_init_bl(void) {}
333#endif
334
335#if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
336#define GPIO_LCD_BASE (144)
337#define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */
338#define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */
339#define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */
340#define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */
341#define LCD_SPI_BUS_NUM (1)
342
343static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
344 .num_chipselect = 1,
345};
346
347static struct platform_device cm_x300_spi_gpio = {
348 .name = "spi_gpio",
349 .id = LCD_SPI_BUS_NUM,
350 .dev = {
351 .platform_data = &cm_x300_spi_gpio_pdata,
352 },
353};
354
355static struct gpiod_lookup_table cm_x300_spi_gpiod_table = {
356 .dev_id = "spi_gpio",
357 .table = {
358 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_SCL,
359 "sck", GPIO_ACTIVE_HIGH),
360 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DIN,
361 "mosi", GPIO_ACTIVE_HIGH),
362 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_DOUT,
363 "miso", GPIO_ACTIVE_HIGH),
364 GPIO_LOOKUP("gpio-pxa", GPIO_LCD_CS,
365 "cs", GPIO_ACTIVE_HIGH),
366 { },
367 },
368};
369
370static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
371 .model = TDO35S,
372};
373
374static struct spi_board_info cm_x300_spi_devices[] __initdata = {
375 {
376 .modalias = "tdo24m",
377 .max_speed_hz = 1000000,
378 .bus_num = LCD_SPI_BUS_NUM,
379 .chip_select = 0,
380 .platform_data = &cm_x300_tdo24m_pdata,
381 },
382};
383
384static void __init cm_x300_init_spi(void)
385{
386 spi_register_board_info(cm_x300_spi_devices,
387 ARRAY_SIZE(cm_x300_spi_devices));
388 gpiod_add_lookup_table(&cm_x300_spi_gpiod_table);
389 platform_device_register(&cm_x300_spi_gpio);
390}
391#else
392static inline void cm_x300_init_spi(void) {}
393#endif
394
395#if defined(CONFIG_SND_PXA2XX_LIB_AC97)
396static void __init cm_x300_init_ac97(void)
397{
398 pxa_set_ac97_info(NULL);
399}
400#else
401static inline void cm_x300_init_ac97(void) {}
402#endif
403
404#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
405static struct mtd_partition cm_x300_nand_partitions[] = {
406 [0] = {
407 .name = "OBM",
408 .offset = 0,
409 .size = SZ_256K,
410 .mask_flags = MTD_WRITEABLE, /* force read-only */
411 },
412 [1] = {
413 .name = "U-Boot",
414 .offset = MTDPART_OFS_APPEND,
415 .size = SZ_256K,
416 .mask_flags = MTD_WRITEABLE, /* force read-only */
417 },
418 [2] = {
419 .name = "Environment",
420 .offset = MTDPART_OFS_APPEND,
421 .size = SZ_256K,
422 },
423 [3] = {
424 .name = "reserved",
425 .offset = MTDPART_OFS_APPEND,
426 .size = SZ_256K + SZ_1M,
427 .mask_flags = MTD_WRITEABLE, /* force read-only */
428 },
429 [4] = {
430 .name = "kernel",
431 .offset = MTDPART_OFS_APPEND,
432 .size = SZ_4M,
433 },
434 [5] = {
435 .name = "fs",
436 .offset = MTDPART_OFS_APPEND,
437 .size = MTDPART_SIZ_FULL,
438 },
439};
440
441static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
442 .keep_config = 1,
443 .parts = cm_x300_nand_partitions,
444 .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
445};
446
447static void __init cm_x300_init_nand(void)
448{
449 pxa3xx_set_nand_info(&cm_x300_nand_info);
450}
451#else
452static inline void cm_x300_init_nand(void) {}
453#endif
454
455#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
456static struct pxamci_platform_data cm_x300_mci_platform_data = {
457 .detect_delay_ms = 200,
458 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
459};
460
461static struct gpiod_lookup_table cm_x300_mci_gpio_table = {
462 .dev_id = "pxa2xx-mci.0",
463 .table = {
464 /* Card detect on GPIO 82 */
465 GPIO_LOOKUP("gpio-pxa", GPIO82_MMC_IRQ, "cd", GPIO_ACTIVE_LOW),
466 /* Write protect on GPIO 85 */
467 GPIO_LOOKUP("gpio-pxa", GPIO85_MMC_WP, "wp", GPIO_ACTIVE_LOW),
468 { },
469 },
470};
471
472/* The second MMC slot of CM-X300 is hardwired to Libertas card and has
473 no detection/ro pins */
474static int cm_x300_mci2_init(struct device *dev,
475 irq_handler_t cm_x300_detect_int,
476 void *data)
477{
478 return 0;
479}
480
481static void cm_x300_mci2_exit(struct device *dev, void *data)
482{
483}
484
485static struct pxamci_platform_data cm_x300_mci2_platform_data = {
486 .detect_delay_ms = 200,
487 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
488 .init = cm_x300_mci2_init,
489 .exit = cm_x300_mci2_exit,
490};
491
492static void __init cm_x300_init_mmc(void)
493{
494 gpiod_add_lookup_table(&cm_x300_mci_gpio_table);
495 pxa_set_mci_info(&cm_x300_mci_platform_data);
496 pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
497}
498#else
499static inline void cm_x300_init_mmc(void) {}
500#endif
501
502#if defined(CONFIG_PXA310_ULPI)
503static struct clk *pout_clk;
504
505static int cm_x300_ulpi_phy_reset(void)
506{
507 int err;
508
509 /* reset the PHY */
510 err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
511 "ulpi reset");
512 if (err) {
513 pr_err("failed to request ULPI reset GPIO: %d\n", err);
514 return err;
515 }
516
517 msleep(10);
518 gpio_set_value(GPIO_ULPI_PHY_RST, 1);
519 msleep(10);
520
521 gpio_free(GPIO_ULPI_PHY_RST);
522
523 return 0;
524}
525
526static int cm_x300_u2d_init(struct device *dev)
527{
528 int err = 0;
529
530 if (cpu_is_pxa310()) {
531 /* CLK_POUT is connected to the ULPI PHY */
532 pout_clk = clk_get(NULL, "CLK_POUT");
533 if (IS_ERR(pout_clk)) {
534 err = PTR_ERR(pout_clk);
535 pr_err("failed to get CLK_POUT: %d\n", err);
536 return err;
537 }
538 clk_prepare_enable(pout_clk);
539
540 err = cm_x300_ulpi_phy_reset();
541 if (err) {
542 clk_disable(pout_clk);
543 clk_put(pout_clk);
544 }
545 }
546
547 return err;
548}
549
550static void cm_x300_u2d_exit(struct device *dev)
551{
552 if (cpu_is_pxa310()) {
553 clk_disable_unprepare(pout_clk);
554 clk_put(pout_clk);
555 }
556}
557
558static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
559 .ulpi_mode = ULPI_SER_6PIN,
560 .init = cm_x300_u2d_init,
561 .exit = cm_x300_u2d_exit,
562};
563
564static void __init cm_x300_init_u2d(void)
565{
566 pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
567}
568#else
569static inline void cm_x300_init_u2d(void) {}
570#endif
571
572#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
573static int cm_x300_ohci_init(struct device *dev)
574{
575 if (cpu_is_pxa300())
576 UP2OCR = UP2OCR_HXS
577 | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
578
579 return 0;
580}
581
582static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
583 .port_mode = PMM_PERPORT_MODE,
584 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
585 .init = cm_x300_ohci_init,
586};
587
588static void __init cm_x300_init_ohci(void)
589{
590 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
591}
592#else
593static inline void cm_x300_init_ohci(void) {}
594#endif
595
596#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
597static struct gpio_led cm_x300_leds[] = {
598 [0] = {
599 .name = "cm-x300:green",
600 .default_trigger = "heartbeat",
601 .active_low = 1,
602 },
603};
604
605static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
606 .num_leds = ARRAY_SIZE(cm_x300_leds),
607 .leds = cm_x300_leds,
608};
609
610static struct platform_device cm_x300_led_device = {
611 .name = "leds-gpio",
612 .id = -1,
613 .dev = {
614 .platform_data = &cm_x300_gpio_led_pdata,
615 },
616};
617
618static void __init cm_x300_init_leds(void)
619{
620 if (system_rev < 130)
621 cm_x300_leds[0].gpio = 79;
622 else
623 cm_x300_leds[0].gpio = 76;
624
625 platform_device_register(&cm_x300_led_device);
626}
627#else
628static inline void cm_x300_init_leds(void) {}
629#endif
630
631#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
632/* PCA9555 */
633static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
634 .gpio_base = 128,
635};
636
637static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
638 .gpio_base = 144,
639};
640
641static struct i2c_board_info cm_x300_gpio_ext_info[] = {
642 [0] = {
643 I2C_BOARD_INFO("pca9555", 0x24),
644 .platform_data = &cm_x300_gpio_ext_pdata_0,
645 },
646 [1] = {
647 I2C_BOARD_INFO("pca9555", 0x25),
648 .platform_data = &cm_x300_gpio_ext_pdata_1,
649 },
650};
651
652static void __init cm_x300_init_i2c(void)
653{
654 pxa_set_i2c_info(NULL);
655 i2c_register_board_info(0, cm_x300_gpio_ext_info,
656 ARRAY_SIZE(cm_x300_gpio_ext_info));
657}
658#else
659static inline void cm_x300_init_i2c(void) {}
660#endif
661
662#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
663struct v3020_platform_data cm_x300_v3020_pdata = {
664 .use_gpio = 1,
665 .gpio_cs = GPIO95_RTC_CS,
666 .gpio_wr = GPIO96_RTC_WR,
667 .gpio_rd = GPIO97_RTC_RD,
668 .gpio_io = GPIO98_RTC_IO,
669};
670
671static struct platform_device cm_x300_rtc_device = {
672 .name = "v3020",
673 .id = -1,
674 .dev = {
675 .platform_data = &cm_x300_v3020_pdata,
676 }
677};
678
679static void __init cm_x300_init_rtc(void)
680{
681 platform_device_register(&cm_x300_rtc_device);
682}
683#else
684static inline void cm_x300_init_rtc(void) {}
685#endif
686
687/* Battery */
688struct power_supply_info cm_x300_psy_info = {
689 .name = "battery",
690 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
691 .voltage_max_design = 4200000,
692 .voltage_min_design = 3000000,
693 .use_for_apm = 1,
694};
695
696static void cm_x300_battery_low(void)
697{
698#if defined(CONFIG_APM_EMULATION)
699 apm_queue_event(APM_LOW_BATTERY);
700#endif
701}
702
703static void cm_x300_battery_critical(void)
704{
705#if defined(CONFIG_APM_EMULATION)
706 apm_queue_event(APM_CRITICAL_SUSPEND);
707#endif
708}
709
710struct da9030_battery_info cm_x300_battery_info = {
711 .battery_info = &cm_x300_psy_info,
712
713 .charge_milliamp = 1000,
714 .charge_millivolt = 4200,
715
716 .vbat_low = 3600,
717 .vbat_crit = 3400,
718 .vbat_charge_start = 4100,
719 .vbat_charge_stop = 4200,
720 .vbat_charge_restart = 4000,
721
722 .vcharge_min = 3200,
723 .vcharge_max = 5500,
724
725 .tbat_low = 197,
726 .tbat_high = 78,
727 .tbat_restart = 100,
728
729 .batmon_interval = 0,
730
731 .battery_low = cm_x300_battery_low,
732 .battery_critical = cm_x300_battery_critical,
733};
734
735static struct regulator_consumer_supply buck2_consumers[] = {
736 REGULATOR_SUPPLY("vcc_core", NULL),
737};
738
739static struct regulator_init_data buck2_data = {
740 .constraints = {
741 .min_uV = 1375000,
742 .max_uV = 1375000,
743 .state_mem = {
744 .enabled = 0,
745 },
746 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
747 .apply_uV = 1,
748 },
749 .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
750 .consumer_supplies = buck2_consumers,
751};
752
753/* DA9030 */
754struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
755 {
756 .name = "da903x-battery",
757 .id = DA9030_ID_BAT,
758 .platform_data = &cm_x300_battery_info,
759 },
760 {
761 .name = "da903x-regulator",
762 .id = DA9030_ID_BUCK2,
763 .platform_data = &buck2_data,
764 },
765};
766
767static struct da903x_platform_data cm_x300_da9030_info = {
768 .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
769 .subdevs = cm_x300_da9030_subdevs,
770};
771
772static struct i2c_board_info cm_x300_pmic_info = {
773 I2C_BOARD_INFO("da9030", 0x49),
774 .irq = IRQ_WAKEUP0,
775 .platform_data = &cm_x300_da9030_info,
776};
777
778static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
779 .use_pio = 1,
780};
781
782static void __init cm_x300_init_da9030(void)
783{
784 pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
785 i2c_register_board_info(1, &cm_x300_pmic_info, 1);
786 irq_set_irq_wake(IRQ_WAKEUP0, 1);
787}
788
789/* wi2wi gpio setting for system_rev >= 130 */
790static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
791 { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
792 { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
793};
794
795static void __init cm_x300_init_wi2wi(void)
796{
797 int err;
798
799 if (system_rev < 130) {
800 cm_x300_wi2wi_gpios[0].gpio = 77; /* wlan en */
801 cm_x300_wi2wi_gpios[1].gpio = 78; /* bt reset */
802 }
803
804 /* Libertas and CSR reset */
805 err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
806 if (err) {
807 pr_err("failed to request wifi/bt gpios: %d\n", err);
808 return;
809 }
810
811 udelay(10);
812 gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
813 udelay(10);
814 gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
815
816 gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
817}
818
819/* MFP */
820static void __init cm_x300_init_mfp(void)
821{
822 /* board-processor specific GPIO initialization */
823 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
824
825 if (system_rev < 130)
826 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
827 else
828 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
829
830 if (cpu_is_pxa310())
831 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
832}
833
834static void __init cm_x300_init(void)
835{
836 cm_x300_init_mfp();
837
838 pxa_set_btuart_info(NULL);
839 pxa_set_stuart_info(NULL);
840 if (cpu_is_pxa300())
841 pxa_set_ffuart_info(NULL);
842
843 cm_x300_init_da9030();
844 cm_x300_init_dm9000();
845 cm_x300_init_lcd();
846 cm_x300_init_u2d();
847 cm_x300_init_ohci();
848 cm_x300_init_mmc();
849 cm_x300_init_nand();
850 cm_x300_init_leds();
851 cm_x300_init_i2c();
852 cm_x300_init_spi();
853 cm_x300_init_rtc();
854 cm_x300_init_ac97();
855 cm_x300_init_wi2wi();
856 cm_x300_init_bl();
857
858 regulator_has_full_constraints();
859}
860
861static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
862{
863 /* Make sure that mi->bank[0].start = PHYS_ADDR */
864 for (; tags->hdr.size; tags = tag_next(tags))
865 if (tags->hdr.tag == ATAG_MEM &&
866 tags->u.mem.start == 0x80000000) {
867 tags->u.mem.start = 0xa0000000;
868 break;
869 }
870}
871
872MACHINE_START(CM_X300, "CM-X300 module")
873 .atag_offset = 0x100,
874 .map_io = pxa3xx_map_io,
875 .nr_irqs = PXA_NR_IRQS,
876 .init_irq = pxa3xx_init_irq,
877 .handle_irq = pxa3xx_handle_irq,
878 .init_time = pxa_timer_init,
879 .init_machine = cm_x300_init,
880 .fixup = cm_x300_fixup,
881 .restart = pxa_restart,
882MACHINE_END