2 * arch/arm/mach-pxa/raumfeld.c
4 * Support for the following Raumfeld devices:
10 * See http://www.raumfeld.com for details.
12 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
19 #include <linux/init.h>
20 #include <linux/kernel.h>
21 #include <linux/property.h>
22 #include <linux/platform_device.h>
23 #include <linux/interrupt.h>
24 #include <linux/gpio.h>
25 #include <linux/gpio/machine.h>
26 #include <linux/smsc911x.h>
27 #include <linux/input.h>
28 #include <linux/gpio_keys.h>
29 #include <linux/leds.h>
30 #include <linux/w1-gpio.h>
31 #include <linux/sched.h>
32 #include <linux/pwm.h>
33 #include <linux/pwm_backlight.h>
34 #include <linux/i2c.h>
35 #include <linux/i2c/pxa-i2c.h>
36 #include <linux/spi/spi.h>
37 #include <linux/spi/spi_gpio.h>
38 #include <linux/lis3lv02d.h>
39 #include <linux/pda_power.h>
40 #include <linux/power_supply.h>
41 #include <linux/regulator/max8660.h>
42 #include <linux/regulator/machine.h>
43 #include <linux/regulator/fixed.h>
44 #include <linux/regulator/consumer.h>
45 #include <linux/delay.h>
47 #include <asm/system_info.h>
49 #include <asm/mach-types.h>
50 #include <asm/mach/arch.h>
53 #include <linux/platform_data/usb-ohci-pxa27x.h>
54 #include <linux/platform_data/video-pxafb.h>
55 #include <linux/platform_data/mmc-pxamci.h>
56 #include <linux/platform_data/mtd-nand-pxa3xx.h>
61 /* common GPIO definitions */
64 #define GPIO_ON_OFF (14)
65 #define GPIO_VOLENC_A (19)
66 #define GPIO_VOLENC_B (20)
67 #define GPIO_CHARGE_DONE (23)
68 #define GPIO_CHARGE_IND (27)
69 #define GPIO_TOUCH_IRQ (32)
70 #define GPIO_ETH_IRQ (40)
71 #define GPIO_SPI_MISO (98)
72 #define GPIO_ACCEL_IRQ (104)
73 #define GPIO_RESCUE_BOOT (115)
74 #define GPIO_DOCK_DETECT (116)
75 #define GPIO_KEY1 (117)
76 #define GPIO_KEY2 (118)
77 #define GPIO_KEY3 (119)
78 #define GPIO_CHARGE_USB_OK (112)
79 #define GPIO_CHARGE_DC_OK (101)
80 #define GPIO_CHARGE_USB_SUSP (102)
83 #define GPIO_SHUTDOWN_SUPPLY (16)
84 #define GPIO_SHUTDOWN_BATT (18)
85 #define GPIO_CHRG_PEN2 (31)
86 #define GPIO_TFT_VA_EN (33)
87 #define GPIO_SPDIF_CS (34)
88 #define GPIO_LED2 (35)
89 #define GPIO_LED1 (36)
90 #define GPIO_SPDIF_RESET (38)
91 #define GPIO_SPI_CLK (95)
92 #define GPIO_MCLK_DAC_CS (96)
93 #define GPIO_SPI_MOSI (97)
94 #define GPIO_W1_PULLUP_ENABLE (105)
95 #define GPIO_DISPLAY_ENABLE (106)
96 #define GPIO_MCLK_RESET (111)
97 #define GPIO_W2W_RESET (113)
98 #define GPIO_W2W_PDN (114)
99 #define GPIO_CODEC_RESET (120)
100 #define GPIO_AUDIO_VA_ENABLE (124)
101 #define GPIO_ACCEL_CS (125)
102 #define GPIO_ONE_WIRE (126)
105 * GPIO configurations
107 static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
124 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
125 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
128 GPIO34_GPIO, /* SPDIF_CS */
129 GPIO96_GPIO, /* MCLK_CS */
130 GPIO125_GPIO, /* ACCEL_CS */
141 GPIO126_GPIO | MFP_LPM_FLOAT,
142 GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
145 GPIO101_GPIO | MFP_PULL_HIGH,
147 GPIO112_GPIO | MFP_PULL_HIGH,
153 GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
180 static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
197 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
198 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
201 GPIO34_GPIO, /* SPDIF_CS */
202 GPIO96_GPIO, /* MCLK_CS */
203 GPIO125_GPIO, /* ACCEL_CS */
215 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
225 /* SSP2 for S/PDIF */
232 GPIO35_GPIO | MFP_LPM_PULL_LOW,
233 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
236 static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
253 GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
254 GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
257 GPIO34_GPIO, /* SPDIF_CS */
258 GPIO96_GPIO, /* MCLK_CS */
259 GPIO125_GPIO, /* ACCEL_CS */
271 GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */
282 GPIO35_GPIO | MFP_LPM_PULL_LOW,
283 GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
287 * SMSC LAN9220 Ethernet
290 static struct resource smc91x_resources[] = {
292 .start = PXA3xx_CS2_PHYS,
293 .end = PXA3xx_CS2_PHYS + 0xfffff,
294 .flags = IORESOURCE_MEM,
297 .start = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
298 .end = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ),
299 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
303 static struct smsc911x_platform_config raumfeld_smsc911x_config = {
304 .phy_interface = PHY_INTERFACE_MODE_MII,
305 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
306 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
307 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
310 static struct platform_device smc91x_device = {
313 .num_resources = ARRAY_SIZE(smc91x_resources),
314 .resource = smc91x_resources,
316 .platform_data = &raumfeld_smsc911x_config,
324 static struct mtd_partition raumfeld_nand_partitions[] = {
326 .name = "Bootloader",
329 .mask_flags = MTD_WRITEABLE, /* force read-only */
332 .name = "BootloaderEnvironment",
337 .name = "BootloaderSplashScreen",
344 .size = MTDPART_SIZ_FULL,
348 static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
352 .parts[0] = raumfeld_nand_partitions,
353 .nr_parts[0] = ARRAY_SIZE(raumfeld_nand_partitions),
360 static struct pxaohci_platform_data raumfeld_ohci_info = {
361 .port_mode = PMM_GLOBAL_MODE,
362 .flags = ENABLE_PORT1,
366 * Rotary encoder input device
369 static struct gpiod_lookup_table raumfeld_rotary_gpios_table = {
370 .dev_id = "rotary-encoder.0",
372 GPIO_LOOKUP_IDX("gpio-0",
373 GPIO_VOLENC_A, NULL, 0, GPIO_ACTIVE_LOW),
374 GPIO_LOOKUP_IDX("gpio-0",
375 GPIO_VOLENC_B, NULL, 1, GPIO_ACTIVE_HIGH),
380 static const struct property_entry raumfeld_rotary_properties[] __initconst = {
381 PROPERTY_ENTRY_INTEGER("rotary-encoder,steps-per-period", u32, 24),
382 PROPERTY_ENTRY_INTEGER("linux,axis", u32, REL_X),
383 PROPERTY_ENTRY_INTEGER("rotary-encoder,relative_axis", u32, 1),
387 static struct platform_device rotary_encoder_device = {
388 .name = "rotary-encoder",
396 static struct gpio_keys_button gpio_keys_button[] = {
403 .debounce_interval = 5, /* ms */
412 .debounce_interval = 5, /* ms */
421 .debounce_interval = 5, /* ms */
427 .gpio = GPIO_RESCUE_BOOT,
430 .debounce_interval = 5, /* ms */
431 .desc = "rescue boot button",
436 .gpio = GPIO_DOCK_DETECT,
439 .debounce_interval = 5, /* ms */
440 .desc = "dock detect",
448 .debounce_interval = 5, /* ms */
449 .desc = "on_off button",
453 static struct gpio_keys_platform_data gpio_keys_platform_data = {
454 .buttons = gpio_keys_button,
455 .nbuttons = ARRAY_SIZE(gpio_keys_button),
459 static struct platform_device raumfeld_gpio_keys_device = {
463 .platform_data = &gpio_keys_platform_data,
471 static struct gpio_led raumfeld_leds[] = {
473 .name = "raumfeld:1",
476 .default_state = LEDS_GPIO_DEFSTATE_ON,
479 .name = "raumfeld:2",
482 .default_state = LEDS_GPIO_DEFSTATE_OFF,
486 static struct gpio_led_platform_data raumfeld_led_platform_data = {
487 .leds = raumfeld_leds,
488 .num_leds = ARRAY_SIZE(raumfeld_leds),
491 static struct platform_device raumfeld_led_device = {
495 .platform_data = &raumfeld_led_platform_data,
500 * One-wire (W1 bus) support
503 static void w1_enable_external_pullup(int enable)
505 gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
509 static struct w1_gpio_platform_data w1_gpio_platform_data = {
510 .pin = GPIO_ONE_WIRE,
512 .enable_external_pullup = w1_enable_external_pullup,
513 .ext_pullup_enable_pin = -EINVAL,
516 static struct platform_device raumfeld_w1_gpio_device = {
519 .platform_data = &w1_gpio_platform_data
523 static void __init raumfeld_w1_init(void)
525 int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
526 "W1 external pullup enable");
529 pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
531 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
533 platform_device_register(&raumfeld_w1_gpio_device);
540 static struct pwm_lookup raumfeld_pwm_lookup[] = {
541 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 10000,
542 PWM_POLARITY_NORMAL),
545 /* PWM controlled backlight */
546 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
547 .max_brightness = 100,
548 .dft_brightness = 100,
552 static struct platform_device raumfeld_pwm_backlight_device = {
553 .name = "pwm-backlight",
555 .parent = &pxa27x_device_pwm0.dev,
556 .platform_data = &raumfeld_pwm_backlight_data,
560 /* LT3593 controlled backlight */
561 static struct gpio_led raumfeld_lt3593_led = {
563 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
564 .default_state = LEDS_GPIO_DEFSTATE_ON,
567 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
568 .leds = &raumfeld_lt3593_led,
572 static struct platform_device raumfeld_lt3593_device = {
573 .name = "leds-lt3593",
576 .platform_data = &raumfeld_lt3593_platform_data,
580 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
594 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
595 .modes = &sharp_lq043t3dx02_mode,
597 .video_mem_size = 0x400000,
598 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
599 #ifdef CONFIG_PXA3XX_GCU
600 .acceleration_enabled = 1,
604 static void __init raumfeld_lcd_init(void)
608 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
610 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
612 gpio_direction_output(GPIO_TFT_VA_EN, 1);
616 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
618 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
620 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
622 /* Hardware revision 2 has the backlight regulator controlled
623 * by an LT3593, earlier and later devices use PWM for that. */
624 if ((system_rev & 0xff) == 2) {
625 platform_device_register(&raumfeld_lt3593_device);
627 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
628 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
629 pwm_add_table(raumfeld_pwm_lookup,
630 ARRAY_SIZE(raumfeld_pwm_lookup));
631 platform_device_register(&raumfeld_pwm_backlight_device);
634 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
635 platform_device_register(&pxa3xx_device_gcu);
642 static struct spi_gpio_platform_data raumfeld_spi_platform_data = {
644 .mosi = GPIO_SPI_MOSI,
645 .miso = GPIO_SPI_MISO,
649 static struct platform_device raumfeld_spi_device = {
653 .platform_data = &raumfeld_spi_platform_data,
657 static struct lis3lv02d_platform_data lis3_pdata = {
658 .click_flags = LIS3_CLICK_SINGLE_X |
659 LIS3_CLICK_SINGLE_Y |
661 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
662 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
663 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
664 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
666 .click_thresh_x = 10,
667 .click_thresh_y = 10,
668 .click_thresh_z = 10,
673 .modalias = "ak4104-codec", \
674 .max_speed_hz = 10000, \
677 .controller_data = (void *) GPIO_SPDIF_CS, \
682 .modalias = "lis3lv02d_spi", \
683 .max_speed_hz = 1000000, \
686 .controller_data = (void *) GPIO_ACCEL_CS, \
687 .platform_data = &lis3_pdata, \
688 .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
691 #define SPI_DAC7512 \
693 .modalias = "dac7512", \
694 .max_speed_hz = 1000000, \
697 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
700 static struct spi_board_info connector_spi_devices[] __initdata = {
705 static struct spi_board_info speaker_spi_devices[] __initdata = {
709 static struct spi_board_info controller_spi_devices[] __initdata = {
714 * MMC for Marvell Libertas 8688 via SDIO
717 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
719 gpio_set_value(GPIO_W2W_RESET, 1);
720 gpio_set_value(GPIO_W2W_PDN, 1);
725 static void raumfeld_mci_exit(struct device *dev, void *data)
727 gpio_set_value(GPIO_W2W_RESET, 0);
728 gpio_set_value(GPIO_W2W_PDN, 0);
731 static struct pxamci_platform_data raumfeld_mci_platform_data = {
732 .init = raumfeld_mci_init,
733 .exit = raumfeld_mci_exit,
734 .detect_delay_ms = 200,
735 .gpio_card_detect = -1,
741 * External power / charge logic
744 static int power_supply_init(struct device *dev)
749 static void power_supply_exit(struct device *dev)
753 static int raumfeld_is_ac_online(void)
755 return !gpio_get_value(GPIO_CHARGE_DC_OK);
758 static int raumfeld_is_usb_online(void)
763 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
765 static void raumfeld_power_signal_charged(void)
767 struct power_supply *psy =
768 power_supply_get_by_name(raumfeld_power_supplicants[0]);
771 power_supply_set_battery_charged(psy);
772 power_supply_put(psy);
776 static int raumfeld_power_resume(void)
778 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
779 if (!gpio_get_value(GPIO_CHARGE_DONE))
780 raumfeld_power_signal_charged();
785 static struct pda_power_pdata power_supply_info = {
786 .init = power_supply_init,
787 .is_ac_online = raumfeld_is_ac_online,
788 .is_usb_online = raumfeld_is_usb_online,
789 .exit = power_supply_exit,
790 .supplied_to = raumfeld_power_supplicants,
791 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
792 .resume = raumfeld_power_resume,
795 static struct resource power_supply_resources[] = {
798 .flags = IORESOURCE_IRQ |
799 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
800 .start = GPIO_CHARGE_DC_OK,
801 .end = GPIO_CHARGE_DC_OK,
805 static irqreturn_t charge_done_irq(int irq, void *dev_id)
807 raumfeld_power_signal_charged();
811 static struct platform_device raumfeld_power_supply = {
815 .platform_data = &power_supply_info,
817 .resource = power_supply_resources,
818 .num_resources = ARRAY_SIZE(power_supply_resources),
821 static void __init raumfeld_power_init(void)
825 /* Set PEN2 high to enable maximum charge current */
826 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
828 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
830 gpio_direction_output(GPIO_CHRG_PEN2, 1);
832 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
834 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
836 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
838 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
840 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
842 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
843 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
845 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
846 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
847 "charge_done", NULL);
850 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
853 platform_device_register(&raumfeld_power_supply);
856 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
858 static struct regulator_consumer_supply audio_va_consumer_supply =
859 REGULATOR_SUPPLY("va", "0-0048");
861 static struct regulator_init_data audio_va_initdata = {
862 .consumer_supplies = &audio_va_consumer_supply,
863 .num_consumer_supplies = 1,
865 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
869 static struct fixed_voltage_config audio_va_config = {
870 .supply_name = "audio_va",
871 .microvolts = 5000000,
872 .gpio = GPIO_AUDIO_VA_ENABLE,
874 .enabled_at_boot = 0,
875 .init_data = &audio_va_initdata,
878 static struct platform_device audio_va_device = {
879 .name = "reg-fixed-voltage",
882 .platform_data = &audio_va_config,
886 /* Dummy supplies for Codec's VD/VLC */
888 static struct regulator_consumer_supply audio_dummy_supplies[] = {
889 REGULATOR_SUPPLY("vd", "0-0048"),
890 REGULATOR_SUPPLY("vlc", "0-0048"),
893 static struct regulator_init_data audio_dummy_initdata = {
894 .consumer_supplies = audio_dummy_supplies,
895 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
897 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
901 static struct fixed_voltage_config audio_dummy_config = {
902 .supply_name = "audio_vd",
903 .microvolts = 3300000,
905 .init_data = &audio_dummy_initdata,
908 static struct platform_device audio_supply_dummy_device = {
909 .name = "reg-fixed-voltage",
912 .platform_data = &audio_dummy_config,
916 static struct platform_device *audio_regulator_devices[] = {
918 &audio_supply_dummy_device,
922 * Regulator support via MAX8660
925 static struct regulator_consumer_supply vcc_mmc_supply =
926 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
928 static struct regulator_init_data vcc_mmc_init_data = {
932 .valid_modes_mask = REGULATOR_MODE_NORMAL,
933 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
934 REGULATOR_CHANGE_VOLTAGE |
935 REGULATOR_CHANGE_MODE,
937 .consumer_supplies = &vcc_mmc_supply,
938 .num_consumer_supplies = 1,
941 static struct max8660_subdev_data max8660_v6_subdev_data = {
944 .platform_data = &vcc_mmc_init_data,
947 static struct max8660_platform_data max8660_pdata = {
948 .subdevs = &max8660_v6_subdev_data,
956 static struct i2c_board_info raumfeld_pwri2c_board_info = {
959 .platform_data = &max8660_pdata,
962 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
967 static struct gpiod_lookup_table raumfeld_controller_gpios_table = {
970 GPIO_LOOKUP("gpio-pxa",
971 GPIO_TOUCH_IRQ, "attn", GPIO_ACTIVE_HIGH),
976 static const struct resource raumfeld_controller_resources[] __initconst = {
978 .start = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
979 .end = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
980 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
984 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
987 .resources = raumfeld_controller_resources,
988 .num_resources = ARRAY_SIZE(raumfeld_controller_resources),
991 static struct platform_device *raumfeld_common_devices[] = {
992 &raumfeld_gpio_keys_device,
993 &raumfeld_led_device,
994 &raumfeld_spi_device,
997 static void __init raumfeld_audio_init(void)
1001 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
1003 pr_warn("unable to request GPIO_CODEC_RESET\n");
1005 gpio_direction_output(GPIO_CODEC_RESET, 1);
1007 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
1009 pr_warn("unable to request GPIO_SPDIF_RESET\n");
1011 gpio_direction_output(GPIO_SPDIF_RESET, 1);
1013 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
1015 pr_warn("unable to request GPIO_MCLK_RESET\n");
1017 gpio_direction_output(GPIO_MCLK_RESET, 1);
1019 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
1022 static void __init raumfeld_common_init(void)
1026 /* The on/off button polarity has changed after revision 1 */
1027 if ((system_rev & 0xff) > 1) {
1030 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1031 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1032 gpio_keys_button[i].active_low = 1;
1035 enable_irq_wake(IRQ_WAKEUP0);
1037 pxa3xx_set_nand_info(&raumfeld_nand_info);
1038 pxa3xx_set_i2c_power_info(NULL);
1039 pxa_set_ohci_info(&raumfeld_ohci_info);
1040 pxa_set_mci_info(&raumfeld_mci_platform_data);
1041 pxa_set_i2c_info(NULL);
1042 pxa_set_ffuart_info(NULL);
1044 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1046 pr_warn("Unable to request GPIO_W2W_RESET\n");
1048 gpio_direction_output(GPIO_W2W_RESET, 0);
1050 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1052 pr_warn("Unable to request GPIO_W2W_PDN\n");
1054 gpio_direction_output(GPIO_W2W_PDN, 0);
1056 /* this can be used to switch off the device */
1057 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1059 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1061 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1063 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1064 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1067 static void __init __maybe_unused raumfeld_controller_init(void)
1071 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1073 gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1074 device_add_properties(&rotary_encoder_device.dev,
1075 raumfeld_rotary_properties);
1076 platform_device_register(&rotary_encoder_device);
1078 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1080 gpiod_add_lookup_table(&raumfeld_controller_gpios_table);
1081 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1083 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1085 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1087 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1089 raumfeld_common_init();
1090 raumfeld_power_init();
1091 raumfeld_lcd_init();
1095 static void __init __maybe_unused raumfeld_connector_init(void)
1097 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1098 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1099 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1101 platform_device_register(&smc91x_device);
1103 raumfeld_audio_init();
1104 raumfeld_common_init();
1107 static void __init __maybe_unused raumfeld_speaker_init(void)
1109 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1110 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1111 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1113 platform_device_register(&smc91x_device);
1115 gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1116 device_add_properties(&rotary_encoder_device.dev,
1117 raumfeld_rotary_properties);
1118 platform_device_register(&rotary_encoder_device);
1120 raumfeld_audio_init();
1121 raumfeld_common_init();
1124 /* physical memory regions */
1125 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1127 #ifdef CONFIG_MACH_RAUMFELD_RC
1128 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1129 .atag_offset = 0x100,
1130 .init_machine = raumfeld_controller_init,
1131 .map_io = pxa3xx_map_io,
1132 .nr_irqs = PXA_NR_IRQS,
1133 .init_irq = pxa3xx_init_irq,
1134 .handle_irq = pxa3xx_handle_irq,
1135 .init_time = pxa_timer_init,
1136 .restart = pxa_restart,
1140 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1141 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1142 .atag_offset = 0x100,
1143 .init_machine = raumfeld_connector_init,
1144 .map_io = pxa3xx_map_io,
1145 .nr_irqs = PXA_NR_IRQS,
1146 .init_irq = pxa3xx_init_irq,
1147 .handle_irq = pxa3xx_handle_irq,
1148 .init_time = pxa_timer_init,
1149 .restart = pxa_restart,
1153 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1154 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1155 .atag_offset = 0x100,
1156 .init_machine = raumfeld_speaker_init,
1157 .map_io = pxa3xx_map_io,
1158 .nr_irqs = PXA_NR_IRQS,
1159 .init_irq = pxa3xx_init_irq,
1160 .handle_irq = pxa3xx_handle_irq,
1161 .init_time = pxa_timer_init,
1162 .restart = pxa_restart,