2 * Support for CompuLab EM-X270 platform
4 * Copyright (C) 2007, 2008 CompuLab, Ltd.
5 * Author: Mike Rapoport <mike@compulab.co.il>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/irq.h>
13 #include <linux/platform_device.h>
15 #include <linux/dm9000.h>
16 #include <linux/rtc-v3020.h>
17 #include <linux/mtd/nand.h>
18 #include <linux/mtd/partitions.h>
19 #include <linux/mtd/physmap.h>
20 #include <linux/input.h>
21 #include <linux/gpio_keys.h>
22 #include <linux/gpio.h>
23 #include <linux/mfd/da903x.h>
24 #include <linux/regulator/machine.h>
25 #include <linux/spi/spi.h>
26 #include <linux/spi/tdo24m.h>
28 #include <media/soc_camera.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
33 #include <mach/mfp-pxa27x.h>
34 #include <mach/pxa-regs.h>
35 #include <mach/pxa27x-udc.h>
36 #include <mach/audio.h>
37 #include <mach/pxafb.h>
38 #include <mach/ohci.h>
40 #include <mach/pxa27x_keypad.h>
42 #include <mach/camera.h>
43 #include <mach/pxa2xx_spi.h>
49 #define GPIO41_ETHIRQ (41)
50 #define GPIO13_MMC_CD (13)
51 #define EM_X270_ETHIRQ IRQ_GPIO(GPIO41_ETHIRQ)
53 /* NAND control GPIOs */
54 #define GPIO11_NAND_CS (11)
55 #define GPIO56_NAND_RB (56)
57 /* Miscelaneous GPIOs */
58 #define GPIO93_CAM_RESET (93)
59 #define GPIO95_MMC_WP (95)
61 static unsigned long em_x270_pin_config
[] = {
64 GPIO29_AC97_SDATA_IN_0
,
65 GPIO30_AC97_SDATA_OUT
,
129 GPIO100_KP_MKIN_0
| WAKEUP_ON_LEVEL_HIGH
,
130 GPIO101_KP_MKIN_1
| WAKEUP_ON_LEVEL_HIGH
,
131 GPIO102_KP_MKIN_2
| WAKEUP_ON_LEVEL_HIGH
,
132 GPIO34_KP_MKIN_3
| WAKEUP_ON_LEVEL_HIGH
,
133 GPIO39_KP_MKIN_4
| WAKEUP_ON_LEVEL_HIGH
,
134 GPIO99_KP_MKIN_5
| WAKEUP_ON_LEVEL_HIGH
,
135 GPIO91_KP_MKIN_6
| WAKEUP_ON_LEVEL_HIGH
,
136 GPIO36_KP_MKIN_7
| WAKEUP_ON_LEVEL_HIGH
,
158 /* SDRAM and local bus */
167 GPIO1_GPIO
| WAKEUP_ON_EDGE_BOTH
, /* sleep/resume button */
168 GPIO95_GPIO
, /* MMC Write protect */
171 GPIO20_GPIO
| MFP_LPM_DRIVE_LOW
, /* GPRS_PWEN */
172 GPIO93_GPIO
| MFP_LPM_DRIVE_LOW
, /* Camera reset */
173 GPIO115_GPIO
| MFP_LPM_DRIVE_LOW
, /* WLAN_PWEN */
176 GPIO11_GPIO
| MFP_LPM_DRIVE_HIGH
, /* NAND CE# */
177 GPIO56_GPIO
, /* NAND Ready/Busy */
180 GPIO13_GPIO
, /* MMC card detect */
181 GPIO41_GPIO
, /* DM9000 interrupt */
184 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
185 static struct resource em_x270_dm9000_resource
[] = {
187 .start
= PXA_CS2_PHYS
,
188 .end
= PXA_CS2_PHYS
+ 3,
189 .flags
= IORESOURCE_MEM
,
192 .start
= PXA_CS2_PHYS
+ 8,
193 .end
= PXA_CS2_PHYS
+ 8 + 0x3f,
194 .flags
= IORESOURCE_MEM
,
197 .start
= EM_X270_ETHIRQ
,
198 .end
= EM_X270_ETHIRQ
,
199 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHEDGE
,
203 static struct dm9000_plat_data em_x270_dm9000_platdata
= {
204 .flags
= DM9000_PLATF_32BITONLY
,
207 static struct platform_device em_x270_dm9000
= {
210 .num_resources
= ARRAY_SIZE(em_x270_dm9000_resource
),
211 .resource
= em_x270_dm9000_resource
,
213 .platform_data
= &em_x270_dm9000_platdata
,
217 static void __init
em_x270_init_dm9000(void)
219 platform_device_register(&em_x270_dm9000
);
222 static inline void em_x270_init_dm9000(void) {}
226 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
227 static struct resource em_x270_v3020_resource
[] = {
229 .start
= PXA_CS4_PHYS
,
230 .end
= PXA_CS4_PHYS
+ 3,
231 .flags
= IORESOURCE_MEM
,
235 static struct v3020_platform_data em_x270_v3020_platdata
= {
239 static struct platform_device em_x270_rtc
= {
241 .num_resources
= ARRAY_SIZE(em_x270_v3020_resource
),
242 .resource
= em_x270_v3020_resource
,
245 .platform_data
= &em_x270_v3020_platdata
,
249 static void __init
em_x270_init_rtc(void)
251 platform_device_register(&em_x270_rtc
);
254 static inline void em_x270_init_rtc(void) {}
258 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
259 static inline void nand_cs_on(void)
261 gpio_set_value(GPIO11_NAND_CS
, 0);
264 static void nand_cs_off(void)
268 gpio_set_value(GPIO11_NAND_CS
, 1);
271 /* hardware specific access to control-lines */
272 static void em_x270_nand_cmd_ctl(struct mtd_info
*mtd
, int dat
,
275 struct nand_chip
*this = mtd
->priv
;
276 unsigned long nandaddr
= (unsigned long)this->IO_ADDR_W
;
280 if (ctrl
& NAND_CTRL_CHANGE
) {
282 nandaddr
|= (1 << 3);
284 nandaddr
&= ~(1 << 3);
286 nandaddr
|= (1 << 2);
288 nandaddr
&= ~(1 << 2);
296 this->IO_ADDR_W
= (void __iomem
*)nandaddr
;
297 if (dat
!= NAND_CMD_NONE
)
298 writel(dat
, this->IO_ADDR_W
);
303 /* read device ready pin */
304 static int em_x270_nand_device_ready(struct mtd_info
*mtd
)
308 return gpio_get_value(GPIO56_NAND_RB
);
311 static struct mtd_partition em_x270_partition_info
[] = {
319 .offset
= MTDPART_OFS_APPEND
,
320 .size
= MTDPART_SIZ_FULL
324 static const char *em_x270_part_probes
[] = { "cmdlinepart", NULL
};
326 struct platform_nand_data em_x270_nand_platdata
= {
330 .nr_partitions
= ARRAY_SIZE(em_x270_partition_info
),
331 .partitions
= em_x270_partition_info
,
333 .part_probe_types
= em_x270_part_probes
,
337 .dev_ready
= em_x270_nand_device_ready
,
339 .cmd_ctrl
= em_x270_nand_cmd_ctl
,
343 static struct resource em_x270_nand_resource
[] = {
345 .start
= PXA_CS1_PHYS
,
346 .end
= PXA_CS1_PHYS
+ 12,
347 .flags
= IORESOURCE_MEM
,
351 static struct platform_device em_x270_nand
= {
353 .num_resources
= ARRAY_SIZE(em_x270_nand_resource
),
354 .resource
= em_x270_nand_resource
,
357 .platform_data
= &em_x270_nand_platdata
,
361 static void __init
em_x270_init_nand(void)
365 err
= gpio_request(GPIO11_NAND_CS
, "NAND CS");
367 pr_warning("EM-X270: failed to request NAND CS gpio\n");
371 gpio_direction_output(GPIO11_NAND_CS
, 1);
373 err
= gpio_request(GPIO56_NAND_RB
, "NAND R/B");
375 pr_warning("EM-X270: failed to request NAND R/B gpio\n");
376 gpio_free(GPIO11_NAND_CS
);
380 gpio_direction_input(GPIO56_NAND_RB
);
382 platform_device_register(&em_x270_nand
);
385 static inline void em_x270_init_nand(void) {}
388 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
389 static struct mtd_partition em_x270_nor_parts
[] = {
391 .name
= "Bootloader",
392 .offset
= 0x00000000,
394 .mask_flags
= MTD_WRITEABLE
/* force read-only */
396 .name
= "Environment",
397 .offset
= 0x00050000,
401 .offset
= 0x00060000,
403 .mask_flags
= MTD_WRITEABLE
/* force read-only */
405 .name
= "Splashscreen",
406 .offset
= 0x000b0000,
411 static struct physmap_flash_data em_x270_nor_data
[] = {
414 .parts
= em_x270_nor_parts
,
415 .nr_parts
= ARRAY_SIZE(em_x270_nor_parts
),
419 static struct resource em_x270_nor_flash_resource
= {
420 .start
= PXA_CS0_PHYS
,
421 .end
= PXA_CS0_PHYS
+ SZ_1M
- 1,
422 .flags
= IORESOURCE_MEM
,
425 static struct platform_device em_x270_physmap_flash
= {
426 .name
= "physmap-flash",
429 .resource
= &em_x270_nor_flash_resource
,
431 .platform_data
= &em_x270_nor_data
,
435 static void __init
em_x270_init_nor(void)
437 platform_device_register(&em_x270_physmap_flash
);
440 static inline void em_x270_init_nor(void) {}
443 /* PXA27x OHCI controller setup */
444 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
445 static int em_x270_ohci_init(struct device
*dev
)
447 /* enable port 2 transiever */
448 UP2OCR
= UP2OCR_HXS
| UP2OCR_HXOE
;
453 static struct pxaohci_platform_data em_x270_ohci_platform_data
= {
454 .port_mode
= PMM_PERPORT_MODE
,
455 .flags
= ENABLE_PORT1
| ENABLE_PORT2
| POWER_CONTROL_LOW
,
456 .init
= em_x270_ohci_init
,
459 static void __init
em_x270_init_ohci(void)
461 pxa_set_ohci_info(&em_x270_ohci_platform_data
);
464 static inline void em_x270_init_ohci(void) {}
467 /* MCI controller setup */
468 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
469 static struct regulator
*em_x270_sdio_ldo
;
471 static int em_x270_mci_init(struct device
*dev
,
472 irq_handler_t em_x270_detect_int
,
477 em_x270_sdio_ldo
= regulator_get(dev
, "vcc sdio");
478 if (IS_ERR(em_x270_sdio_ldo
)) {
479 dev_err(dev
, "can't request SDIO power supply: %ld\n",
480 PTR_ERR(em_x270_sdio_ldo
));
481 return PTR_ERR(em_x270_sdio_ldo
);
484 err
= request_irq(gpio_to_irq(GPIO13_MMC_CD
), em_x270_detect_int
,
485 IRQF_DISABLED
| IRQF_TRIGGER_RISING
|
486 IRQF_TRIGGER_FALLING
,
487 "MMC card detect", data
);
489 dev_err(dev
, "can't request MMC card detect IRQ: %d\n", err
);
493 err
= gpio_request(GPIO95_MMC_WP
, "MMC WP");
495 dev_err(dev
, "can't request MMC write protect: %d\n", err
);
499 gpio_direction_input(GPIO95_MMC_WP
);
504 free_irq(gpio_to_irq(GPIO13_MMC_CD
), data
);
506 regulator_put(em_x270_sdio_ldo
);
511 static void em_x270_mci_setpower(struct device
*dev
, unsigned int vdd
)
513 struct pxamci_platform_data
* p_d
= dev
->platform_data
;
515 if ((1 << vdd
) & p_d
->ocr_mask
) {
516 int vdd_uV
= (2000 + (vdd
- __ffs(MMC_VDD_20_21
)) * 100) * 1000;
518 regulator_set_voltage(em_x270_sdio_ldo
, vdd_uV
, vdd_uV
);
519 regulator_enable(em_x270_sdio_ldo
);
521 regulator_disable(em_x270_sdio_ldo
);
525 static void em_x270_mci_exit(struct device
*dev
, void *data
)
527 free_irq(gpio_to_irq(GPIO13_MMC_CD
), data
);
530 static int em_x270_mci_get_ro(struct device
*dev
)
532 return gpio_get_value(GPIO95_MMC_WP
);
535 static struct pxamci_platform_data em_x270_mci_platform_data
= {
536 .ocr_mask
= MMC_VDD_20_21
|MMC_VDD_21_22
|MMC_VDD_22_23
|
537 MMC_VDD_24_25
|MMC_VDD_25_26
|MMC_VDD_26_27
|
538 MMC_VDD_27_28
|MMC_VDD_28_29
|MMC_VDD_29_30
|
539 MMC_VDD_30_31
|MMC_VDD_31_32
,
540 .init
= em_x270_mci_init
,
541 .setpower
= em_x270_mci_setpower
,
542 .get_ro
= em_x270_mci_get_ro
,
543 .exit
= em_x270_mci_exit
,
546 static void __init
em_x270_init_mmc(void)
548 em_x270_mci_platform_data
.detect_delay
= msecs_to_jiffies(250);
549 pxa_set_mci_info(&em_x270_mci_platform_data
);
552 static inline void em_x270_init_mmc(void) {}
556 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
557 static struct pxafb_mode_info em_x270_lcd_modes
[] = {
586 static struct pxafb_mach_info em_x270_lcd
= {
587 .modes
= em_x270_lcd_modes
,
589 .lcd_conn
= LCD_COLOR_TFT_16BPP
,
592 static void __init
em_x270_init_lcd(void)
594 set_pxa_fb_info(&em_x270_lcd
);
597 static inline void em_x270_init_lcd(void) {}
600 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
601 static struct pxa2xx_spi_master em_x270_spi_info
= {
605 static struct pxa2xx_spi_chip em_x270_tdo24m_chip
= {
610 static struct tdo24m_platform_data em_x270_tdo24m_pdata
= {
614 static struct spi_board_info em_x270_spi_devices
[] __initdata
= {
616 .modalias
= "tdo24m",
617 .max_speed_hz
= 1000000,
620 .controller_data
= &em_x270_tdo24m_chip
,
621 .platform_data
= &em_x270_tdo24m_pdata
,
625 static void __init
em_x270_init_spi(void)
627 pxa2xx_set_spi_info(1, &em_x270_spi_info
);
628 spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices
));
631 static inline void em_x270_init_spi(void) {}
634 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
635 static void __init
em_x270_init_ac97(void)
637 pxa_set_ac97_info(NULL
);
640 static inline void em_x270_init_ac97(void) {}
643 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
644 static unsigned int em_x270_matrix_keys
[] = {
645 KEY(0, 0, KEY_A
), KEY(1, 0, KEY_UP
), KEY(2, 1, KEY_B
),
646 KEY(0, 2, KEY_LEFT
), KEY(1, 1, KEY_ENTER
), KEY(2, 0, KEY_RIGHT
),
647 KEY(0, 1, KEY_C
), KEY(1, 2, KEY_DOWN
), KEY(2, 2, KEY_D
),
650 struct pxa27x_keypad_platform_data em_x270_keypad_info
= {
651 /* code map for the matrix keys */
652 .matrix_key_rows
= 3,
653 .matrix_key_cols
= 3,
654 .matrix_key_map
= em_x270_matrix_keys
,
655 .matrix_key_map_size
= ARRAY_SIZE(em_x270_matrix_keys
),
658 static void __init
em_x270_init_keypad(void)
660 pxa_set_keypad_info(&em_x270_keypad_info
);
663 static inline void em_x270_init_keypad(void) {}
666 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
667 static struct gpio_keys_button gpio_keys_button
[] = {
669 .desc
= "sleep/wakeup",
677 static struct gpio_keys_platform_data em_x270_gpio_keys_data
= {
678 .buttons
= gpio_keys_button
,
682 static struct platform_device em_x270_gpio_keys
= {
686 .platform_data
= &em_x270_gpio_keys_data
,
690 static void __init
em_x270_init_gpio_keys(void)
692 platform_device_register(&em_x270_gpio_keys
);
695 static inline void em_x270_init_gpio_keys(void) {}
698 /* Quick Capture Interface and sensor setup */
699 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
700 static struct regulator
*em_x270_camera_ldo
;
702 static int em_x270_sensor_init(struct device
*dev
)
706 ret
= gpio_request(GPIO93_CAM_RESET
, "camera reset");
710 gpio_direction_output(GPIO93_CAM_RESET
, 0);
712 em_x270_camera_ldo
= regulator_get(NULL
, "vcc cam");
713 if (em_x270_camera_ldo
== NULL
) {
714 gpio_free(GPIO93_CAM_RESET
);
718 ret
= regulator_enable(em_x270_camera_ldo
);
720 regulator_put(em_x270_camera_ldo
);
721 gpio_free(GPIO93_CAM_RESET
);
725 gpio_set_value(GPIO93_CAM_RESET
, 1);
730 struct pxacamera_platform_data em_x270_camera_platform_data
= {
731 .init
= em_x270_sensor_init
,
732 .flags
= PXA_CAMERA_MASTER
| PXA_CAMERA_DATAWIDTH_8
|
733 PXA_CAMERA_PCLK_EN
| PXA_CAMERA_MCLK_EN
,
737 static int em_x270_sensor_power(struct device
*dev
, int on
)
740 int is_on
= regulator_is_enabled(em_x270_camera_ldo
);
745 gpio_set_value(GPIO93_CAM_RESET
, !on
);
748 ret
= regulator_enable(em_x270_camera_ldo
);
750 ret
= regulator_disable(em_x270_camera_ldo
);
755 gpio_set_value(GPIO93_CAM_RESET
, on
);
760 static struct soc_camera_link iclink
= {
762 .power
= em_x270_sensor_power
,
765 static struct i2c_board_info em_x270_i2c_cam_info
[] = {
767 I2C_BOARD_INFO("mt9m111", 0x48),
768 .platform_data
= &iclink
,
772 static struct i2c_pxa_platform_data em_x270_i2c_info
= {
776 static void __init
em_x270_init_camera(void)
778 pxa_set_i2c_info(&em_x270_i2c_info
);
779 i2c_register_board_info(0, ARRAY_AND_SIZE(em_x270_i2c_cam_info
));
780 pxa_set_camera_info(&em_x270_camera_platform_data
);
783 static inline void em_x270_init_camera(void) {}
786 /* DA9030 related initializations */
787 #define REGULATOR_CONSUMER(_name, _dev, _supply) \
788 static struct regulator_consumer_supply _name##_consumers[] = { \
795 REGULATOR_CONSUMER(ldo3
, NULL
, "vcc gps");
796 REGULATOR_CONSUMER(ldo5
, NULL
, "vcc cam");
797 REGULATOR_CONSUMER(ldo10
, &pxa_device_mci
.dev
, "vcc sdio");
798 REGULATOR_CONSUMER(ldo12
, NULL
, "vcc usb");
799 REGULATOR_CONSUMER(ldo19
, NULL
, "vcc gprs");
801 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask) \
802 static struct regulator_init_data _ldo##_data = { \
809 .valid_ops_mask = _ops_mask, \
811 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers), \
812 .consumer_supplies = _ldo##_consumers, \
815 REGULATOR_INIT(ldo3
, 3200000, 3200000, REGULATOR_CHANGE_STATUS
);
816 REGULATOR_INIT(ldo5
, 3000000, 3000000, REGULATOR_CHANGE_STATUS
);
817 REGULATOR_INIT(ldo10
, 2000000, 3200000,
818 REGULATOR_CHANGE_STATUS
| REGULATOR_CHANGE_VOLTAGE
);
819 REGULATOR_INIT(ldo12
, 3000000, 3000000, REGULATOR_CHANGE_STATUS
);
820 REGULATOR_INIT(ldo19
, 3200000, 3200000, REGULATOR_CHANGE_STATUS
);
822 struct led_info em_x270_led_info
= {
823 .name
= "em-x270:orange",
824 .default_trigger
= "battery-charging-or-full",
827 #define DA9030_SUBDEV(_name, _id, _pdata) \
829 .name = "da903x-" #_name, \
830 .id = DA9030_ID_##_id, \
831 .platform_data = _pdata, \
834 #define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
836 struct da903x_subdev_info em_x270_da9030_subdevs
[] = {
843 DA9030_SUBDEV(led
, LED_PC
, &em_x270_led_info
),
844 DA9030_SUBDEV(backlight
, WLED
, &em_x270_led_info
),
847 static struct da903x_platform_data em_x270_da9030_info
= {
848 .num_subdevs
= ARRAY_SIZE(em_x270_da9030_subdevs
),
849 .subdevs
= em_x270_da9030_subdevs
,
852 static struct i2c_board_info em_x270_i2c_pmic_info
= {
853 I2C_BOARD_INFO("da9030", 0x49),
855 .platform_data
= &em_x270_da9030_info
,
858 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info
= {
862 static void __init
em_x270_init_da9030(void)
864 pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info
);
865 i2c_register_board_info(1, &em_x270_i2c_pmic_info
, 1);
868 static void __init
em_x270_init(void)
870 pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config
));
872 em_x270_init_da9030();
873 em_x270_init_dm9000();
880 em_x270_init_keypad();
881 em_x270_init_gpio_keys();
883 em_x270_init_camera();
887 MACHINE_START(EM_X270
, "Compulab EM-X270")
888 .boot_params
= 0xa0000100,
889 .phys_io
= 0x40000000,
890 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
891 .map_io
= pxa_map_io
,
892 .init_irq
= pxa27x_init_irq
,
894 .init_machine
= em_x270_init
,