2 * linux/arch/arm/mach-pxa/cm-x300.c
4 * Support for the CompuLab CM-X300 modules
6 * Copyright (C) 2008,2009 CompuLab Ltd.
8 * Mike Rapoport <mike@compulab.co.il>
9 * Igor Grinberg <grinberg@compulab.co.il>
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.
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/interrupt.h>
19 #include <linux/init.h>
20 #include <linux/delay.h>
21 #include <linux/platform_device.h>
23 #include <linux/gpio.h>
24 #include <linux/dm9000.h>
25 #include <linux/leds.h>
26 #include <linux/rtc-v3020.h>
27 #include <linux/pwm_backlight.h>
29 #include <linux/i2c.h>
30 #include <linux/i2c/pca953x.h>
32 #include <linux/mfd/da903x.h>
33 #include <linux/regulator/machine.h>
34 #include <linux/power_supply.h>
35 #include <linux/apm-emulation.h>
37 #include <linux/spi/spi.h>
38 #include <linux/spi/spi_gpio.h>
39 #include <linux/spi/tdo24m.h>
41 #include <asm/mach-types.h>
42 #include <asm/mach/arch.h>
43 #include <asm/setup.h>
45 #include <mach/pxa300.h>
46 #include <mach/pxa27x-udc.h>
47 #include <mach/pxafb.h>
49 #include <mach/ohci.h>
51 #include <plat/pxa3xx_nand.h>
52 #include <mach/audio.h>
54 #include <asm/mach/map.h>
59 #define CM_X300_ETH_PHYS 0x08000010
61 #define GPIO82_MMC_IRQ (82)
62 #define GPIO85_MMC_WP (85)
64 #define CM_X300_MMC_IRQ IRQ_GPIO(GPIO82_MMC_IRQ)
66 #define GPIO95_RTC_CS (95)
67 #define GPIO96_RTC_WR (96)
68 #define GPIO97_RTC_RD (97)
69 #define GPIO98_RTC_IO (98)
71 static mfp_cfg_t cm_x3xx_mfp_cfg
[] __initdata
= {
96 GPIO112_UART2_RXD
| MFP_LPM_EDGE_FALL
,
98 GPIO114_UART2_CTS
| MFP_LPM_EDGE_BOTH
,
102 GPIO110_UART3_RXD
| MFP_LPM_EDGE_FALL
,
105 GPIO23_AC97_nACRESET
,
108 GPIO25_AC97_SDATA_IN_0
,
109 GPIO27_AC97_SDATA_OUT
,
113 GPIO115_KP_MKIN_0
| MFP_LPM_EDGE_BOTH
,
114 GPIO116_KP_MKIN_1
| MFP_LPM_EDGE_BOTH
,
115 GPIO117_KP_MKIN_2
| MFP_LPM_EDGE_BOTH
,
116 GPIO118_KP_MKIN_3
| MFP_LPM_EDGE_BOTH
,
117 GPIO119_KP_MKIN_4
| MFP_LPM_EDGE_BOTH
,
118 GPIO120_KP_MKIN_5
| MFP_LPM_EDGE_BOTH
,
119 GPIO2_2_KP_MKIN_6
| MFP_LPM_EDGE_BOTH
,
120 GPIO3_2_KP_MKIN_7
| MFP_LPM_EDGE_BOTH
,
130 GPIO4_MMC1_DAT1
| MFP_LPM_EDGE_BOTH
,
134 GPIO8_MMC1_CMD
, /* CMD0 for slot 0 */
138 GPIO10_MMC2_DAT1
| MFP_LPM_EDGE_BOTH
,
145 GPIO30_UART1_RXD
| MFP_LPM_EDGE_FALL
,
150 GPIO34_UART1_DSR
| MFP_LPM_EDGE_FALL
,
155 GPIO82_GPIO
| MFP_PULL_HIGH
, /* MMC CD */
156 GPIO85_GPIO
, /* MMC WP */
157 GPIO99_GPIO
, /* Ethernet IRQ */
160 GPIO95_GPIO
, /* RTC CS */
161 GPIO96_GPIO
, /* RTC WR */
162 GPIO97_GPIO
, /* RTC RD */
163 GPIO98_GPIO
, /* RTC IO */
173 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg
[] __initdata
= {
175 GPIO79_GPIO
, /* LED */
176 GPIO77_GPIO
, /* WiFi reset */
177 GPIO78_GPIO
, /* BT reset */
180 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg
[] __initdata
= {
182 GPIO76_GPIO
, /* LED */
183 GPIO71_GPIO
, /* WiFi reset */
184 GPIO70_GPIO
, /* BT reset */
187 static mfp_cfg_t cm_x310_mfp_cfg
[] __initdata
= {
192 GPIO30_ULPI_DATA_OUT_0
,
193 GPIO31_ULPI_DATA_OUT_1
,
194 GPIO32_ULPI_DATA_OUT_2
,
195 GPIO33_ULPI_DATA_OUT_3
,
196 GPIO34_ULPI_DATA_OUT_4
,
197 GPIO35_ULPI_DATA_OUT_5
,
198 GPIO36_ULPI_DATA_OUT_6
,
199 GPIO37_ULPI_DATA_OUT_7
,
201 /* external PHY reset pin */
214 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
215 static struct resource dm9000_resources
[] = {
217 .start
= CM_X300_ETH_PHYS
,
218 .end
= CM_X300_ETH_PHYS
+ 0x3,
219 .flags
= IORESOURCE_MEM
,
222 .start
= CM_X300_ETH_PHYS
+ 0x4,
223 .end
= CM_X300_ETH_PHYS
+ 0x4 + 500,
224 .flags
= IORESOURCE_MEM
,
227 .start
= IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99
)),
228 .end
= IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99
)),
229 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHEDGE
,
233 static struct dm9000_plat_data cm_x300_dm9000_platdata
= {
234 .flags
= DM9000_PLATF_16BITONLY
| DM9000_PLATF_NO_EEPROM
,
237 static struct platform_device dm9000_device
= {
240 .num_resources
= ARRAY_SIZE(dm9000_resources
),
241 .resource
= dm9000_resources
,
243 .platform_data
= &cm_x300_dm9000_platdata
,
248 static void __init
cm_x300_init_dm9000(void)
250 platform_device_register(&dm9000_device
);
253 static inline void cm_x300_init_dm9000(void) {}
257 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
258 static struct pxafb_mode_info cm_x300_lcd_modes
[] = {
287 static struct pxafb_mach_info cm_x300_lcd
= {
288 .modes
= cm_x300_lcd_modes
,
289 .num_modes
= ARRAY_SIZE(cm_x300_lcd_modes
),
290 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_PCLK_EDGE_FALL
,
293 static void __init
cm_x300_init_lcd(void)
295 set_pxa_fb_info(&cm_x300_lcd
);
298 static inline void cm_x300_init_lcd(void) {}
301 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
302 static struct platform_pwm_backlight_data cm_x300_backlight_data
= {
304 .max_brightness
= 100,
305 .dft_brightness
= 100,
306 .pwm_period_ns
= 10000,
309 static struct platform_device cm_x300_backlight_device
= {
310 .name
= "pwm-backlight",
312 .parent
= &pxa27x_device_pwm0
.dev
,
313 .platform_data
= &cm_x300_backlight_data
,
317 static void cm_x300_init_bl(void)
319 platform_device_register(&cm_x300_backlight_device
);
322 static inline void cm_x300_init_bl(void) {}
325 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
326 #define GPIO_LCD_BASE (144)
327 #define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */
328 #define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */
329 #define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */
330 #define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */
331 #define LCD_SPI_BUS_NUM (1)
333 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata
= {
335 .mosi
= GPIO_LCD_DIN
,
336 .miso
= GPIO_LCD_DOUT
,
340 static struct platform_device cm_x300_spi_gpio
= {
342 .id
= LCD_SPI_BUS_NUM
,
344 .platform_data
= &cm_x300_spi_gpio_pdata
,
348 static struct tdo24m_platform_data cm_x300_tdo24m_pdata
= {
352 static struct spi_board_info cm_x300_spi_devices
[] __initdata
= {
354 .modalias
= "tdo24m",
355 .max_speed_hz
= 1000000,
356 .bus_num
= LCD_SPI_BUS_NUM
,
358 .controller_data
= (void *) GPIO_LCD_CS
,
359 .platform_data
= &cm_x300_tdo24m_pdata
,
363 static void __init
cm_x300_init_spi(void)
365 spi_register_board_info(cm_x300_spi_devices
,
366 ARRAY_SIZE(cm_x300_spi_devices
));
367 platform_device_register(&cm_x300_spi_gpio
);
370 static inline void cm_x300_init_spi(void) {}
373 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
374 static void __init
cm_x300_init_ac97(void)
376 pxa_set_ac97_info(NULL
);
379 static inline void cm_x300_init_ac97(void) {}
382 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
383 static struct mtd_partition cm_x300_nand_partitions
[] = {
388 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
392 .offset
= MTDPART_OFS_APPEND
,
394 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
397 .name
= "Environment",
398 .offset
= MTDPART_OFS_APPEND
,
403 .offset
= MTDPART_OFS_APPEND
,
404 .size
= SZ_256K
+ SZ_1M
,
405 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
409 .offset
= MTDPART_OFS_APPEND
,
414 .offset
= MTDPART_OFS_APPEND
,
415 .size
= MTDPART_SIZ_FULL
,
419 static struct pxa3xx_nand_platform_data cm_x300_nand_info
= {
422 .parts
= cm_x300_nand_partitions
,
423 .nr_parts
= ARRAY_SIZE(cm_x300_nand_partitions
),
426 static void __init
cm_x300_init_nand(void)
428 pxa3xx_set_nand_info(&cm_x300_nand_info
);
431 static inline void cm_x300_init_nand(void) {}
434 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
435 static struct pxamci_platform_data cm_x300_mci_platform_data
= {
436 .detect_delay_ms
= 200,
437 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
438 .gpio_card_detect
= GPIO82_MMC_IRQ
,
439 .gpio_card_ro
= GPIO85_MMC_WP
,
443 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
444 no detection/ro pins */
445 static int cm_x300_mci2_init(struct device
*dev
,
446 irq_handler_t cm_x300_detect_int
,
452 static void cm_x300_mci2_exit(struct device
*dev
, void *data
)
456 static struct pxamci_platform_data cm_x300_mci2_platform_data
= {
457 .detect_delay_ms
= 200,
458 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
459 .init
= cm_x300_mci2_init
,
460 .exit
= cm_x300_mci2_exit
,
461 .gpio_card_detect
= -1,
466 static void __init
cm_x300_init_mmc(void)
468 pxa_set_mci_info(&cm_x300_mci_platform_data
);
469 pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data
);
472 static inline void cm_x300_init_mmc(void) {}
475 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
476 static int cm_x300_ohci_init(struct device
*dev
)
480 | UP2OCR_HXOE
| UP2OCR_DMPDE
| UP2OCR_DPPDE
;
485 static struct pxaohci_platform_data cm_x300_ohci_platform_data
= {
486 .port_mode
= PMM_PERPORT_MODE
,
487 .flags
= ENABLE_PORT_ALL
| POWER_CONTROL_LOW
,
488 .init
= cm_x300_ohci_init
,
491 static void __init
cm_x300_init_ohci(void)
493 pxa_set_ohci_info(&cm_x300_ohci_platform_data
);
496 static inline void cm_x300_init_ohci(void) {}
499 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
500 static struct gpio_led cm_x300_leds
[] = {
502 .name
= "cm-x300:green",
503 .default_trigger
= "heartbeat",
508 static struct gpio_led_platform_data cm_x300_gpio_led_pdata
= {
509 .num_leds
= ARRAY_SIZE(cm_x300_leds
),
510 .leds
= cm_x300_leds
,
513 static struct platform_device cm_x300_led_device
= {
517 .platform_data
= &cm_x300_gpio_led_pdata
,
521 static void __init
cm_x300_init_leds(void)
523 if (system_rev
< 130)
524 cm_x300_leds
[0].gpio
= 79;
526 cm_x300_leds
[0].gpio
= 76;
528 platform_device_register(&cm_x300_led_device
);
531 static inline void cm_x300_init_leds(void) {}
534 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
536 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0
= {
540 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1
= {
544 static struct i2c_board_info cm_x300_gpio_ext_info
[] = {
546 I2C_BOARD_INFO("pca9555", 0x24),
547 .platform_data
= &cm_x300_gpio_ext_pdata_0
,
550 I2C_BOARD_INFO("pca9555", 0x25),
551 .platform_data
= &cm_x300_gpio_ext_pdata_1
,
555 static void __init
cm_x300_init_i2c(void)
557 pxa_set_i2c_info(NULL
);
558 i2c_register_board_info(0, cm_x300_gpio_ext_info
,
559 ARRAY_SIZE(cm_x300_gpio_ext_info
));
562 static inline void cm_x300_init_i2c(void) {}
565 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
566 struct v3020_platform_data cm_x300_v3020_pdata
= {
568 .gpio_cs
= GPIO95_RTC_CS
,
569 .gpio_wr
= GPIO96_RTC_WR
,
570 .gpio_rd
= GPIO97_RTC_RD
,
571 .gpio_io
= GPIO98_RTC_IO
,
574 static struct platform_device cm_x300_rtc_device
= {
578 .platform_data
= &cm_x300_v3020_pdata
,
582 static void __init
cm_x300_init_rtc(void)
584 platform_device_register(&cm_x300_rtc_device
);
587 static inline void cm_x300_init_rtc(void) {}
591 struct power_supply_info cm_x300_psy_info
= {
593 .technology
= POWER_SUPPLY_TECHNOLOGY_LIPO
,
594 .voltage_max_design
= 4200000,
595 .voltage_min_design
= 3000000,
599 static void cm_x300_battery_low(void)
601 #if defined(CONFIG_APM_EMULATION)
602 apm_queue_event(APM_LOW_BATTERY
);
606 static void cm_x300_battery_critical(void)
608 #if defined(CONFIG_APM_EMULATION)
609 apm_queue_event(APM_CRITICAL_SUSPEND
);
613 struct da9030_battery_info cm_x300_battery_info
= {
614 .battery_info
= &cm_x300_psy_info
,
616 .charge_milliamp
= 1000,
617 .charge_millivolt
= 4200,
621 .vbat_charge_start
= 4100,
622 .vbat_charge_stop
= 4200,
623 .vbat_charge_restart
= 4000,
632 .batmon_interval
= 0,
634 .battery_low
= cm_x300_battery_low
,
635 .battery_critical
= cm_x300_battery_critical
,
638 static struct regulator_consumer_supply buck2_consumers
[] = {
641 .supply
= "vcc_core",
645 static struct regulator_init_data buck2_data
= {
652 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
,
655 .num_consumer_supplies
= ARRAY_SIZE(buck2_consumers
),
656 .consumer_supplies
= buck2_consumers
,
660 struct da903x_subdev_info cm_x300_da9030_subdevs
[] = {
662 .name
= "da903x-battery",
664 .platform_data
= &cm_x300_battery_info
,
667 .name
= "da903x-regulator",
668 .id
= DA9030_ID_BUCK2
,
669 .platform_data
= &buck2_data
,
673 static struct da903x_platform_data cm_x300_da9030_info
= {
674 .num_subdevs
= ARRAY_SIZE(cm_x300_da9030_subdevs
),
675 .subdevs
= cm_x300_da9030_subdevs
,
678 static struct i2c_board_info cm_x300_pmic_info
= {
679 I2C_BOARD_INFO("da9030", 0x49),
681 .platform_data
= &cm_x300_da9030_info
,
684 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info
= {
688 static void __init
cm_x300_init_da9030(void)
690 pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info
);
691 i2c_register_board_info(1, &cm_x300_pmic_info
, 1);
694 static void __init
cm_x300_init_wi2wi(void)
696 int bt_reset
, wlan_en
;
699 if (system_rev
< 130) {
707 /* Libertas and CSR reset */
708 err
= gpio_request(wlan_en
, "wlan en");
710 pr_err("CM-X300: failed to request wlan en gpio: %d\n", err
);
712 gpio_direction_output(wlan_en
, 1);
716 err
= gpio_request(bt_reset
, "bt reset");
718 pr_err("CM-X300: failed to request bt reset gpio: %d\n", err
);
720 gpio_direction_output(bt_reset
, 1);
722 gpio_set_value(bt_reset
, 0);
724 gpio_set_value(bt_reset
, 1);
730 static void __init
cm_x300_init_mfp(void)
732 /* board-processor specific GPIO initialization */
733 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg
));
735 if (system_rev
< 130)
736 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg
));
738 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg
));
741 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg
));
744 static void __init
cm_x300_init(void)
748 pxa_set_ffuart_info(NULL
);
749 pxa_set_btuart_info(NULL
);
750 pxa_set_stuart_info(NULL
);
752 cm_x300_init_da9030();
753 cm_x300_init_dm9000();
763 cm_x300_init_wi2wi();
767 static void __init
cm_x300_fixup(struct machine_desc
*mdesc
, struct tag
*tags
,
768 char **cmdline
, struct meminfo
*mi
)
770 /* Make sure that mi->bank[0].start = PHYS_ADDR */
771 for (; tags
->hdr
.size
; tags
= tag_next(tags
))
772 if (tags
->hdr
.tag
== ATAG_MEM
&&
773 tags
->u
.mem
.start
== 0x80000000) {
774 tags
->u
.mem
.start
= 0xa0000000;
779 MACHINE_START(CM_X300
, "CM-X300 module")
780 .phys_io
= 0x40000000,
781 .boot_params
= 0xa0000100,
782 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
783 .map_io
= pxa_map_io
,
784 .init_irq
= pxa3xx_init_irq
,
786 .init_machine
= cm_x300_init
,
787 .fixup
= cm_x300_fixup
,