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 gpiod_lookup_table raumfeld_w1_gpiod_table = {
512 GPIO_LOOKUP_IDX("gpio-pxa", GPIO_ONE_WIRE, NULL, 0,
513 GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
517 static struct w1_gpio_platform_data w1_gpio_platform_data = {
518 .enable_external_pullup = w1_enable_external_pullup,
521 static struct platform_device raumfeld_w1_gpio_device = {
524 .platform_data = &w1_gpio_platform_data
528 static void __init raumfeld_w1_init(void)
530 int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
531 "W1 external pullup enable");
534 pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n");
536 gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
538 gpiod_add_lookup_table(&raumfeld_w1_gpiod_table);
539 platform_device_register(&raumfeld_w1_gpio_device);
546 static struct pwm_lookup raumfeld_pwm_lookup[] = {
547 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 10000,
548 PWM_POLARITY_NORMAL),
551 /* PWM controlled backlight */
552 static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
553 .max_brightness = 100,
554 .dft_brightness = 100,
558 static struct platform_device raumfeld_pwm_backlight_device = {
559 .name = "pwm-backlight",
561 .parent = &pxa27x_device_pwm0.dev,
562 .platform_data = &raumfeld_pwm_backlight_data,
566 /* LT3593 controlled backlight */
567 static struct gpio_led raumfeld_lt3593_led = {
569 .gpio = mfp_to_gpio(MFP_PIN_GPIO17),
570 .default_state = LEDS_GPIO_DEFSTATE_ON,
573 static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
574 .leds = &raumfeld_lt3593_led,
578 static struct platform_device raumfeld_lt3593_device = {
579 .name = "leds-lt3593",
582 .platform_data = &raumfeld_lt3593_platform_data,
586 static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
600 static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
601 .modes = &sharp_lq043t3dx02_mode,
603 .video_mem_size = 0x400000,
604 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
605 #ifdef CONFIG_PXA3XX_GCU
606 .acceleration_enabled = 1,
610 static void __init raumfeld_lcd_init(void)
614 ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
616 pr_warn("Unable to request GPIO_TFT_VA_EN\n");
618 gpio_direction_output(GPIO_TFT_VA_EN, 1);
622 ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
624 pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n");
626 gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
628 /* Hardware revision 2 has the backlight regulator controlled
629 * by an LT3593, earlier and later devices use PWM for that. */
630 if ((system_rev & 0xff) == 2) {
631 platform_device_register(&raumfeld_lt3593_device);
633 mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
634 pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
635 pwm_add_table(raumfeld_pwm_lookup,
636 ARRAY_SIZE(raumfeld_pwm_lookup));
637 platform_device_register(&raumfeld_pwm_backlight_device);
640 pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info);
641 platform_device_register(&pxa3xx_device_gcu);
648 static struct spi_gpio_platform_data raumfeld_spi_platform_data = {
650 .mosi = GPIO_SPI_MOSI,
651 .miso = GPIO_SPI_MISO,
655 static struct platform_device raumfeld_spi_device = {
659 .platform_data = &raumfeld_spi_platform_data,
663 static struct lis3lv02d_platform_data lis3_pdata = {
664 .click_flags = LIS3_CLICK_SINGLE_X |
665 LIS3_CLICK_SINGLE_Y |
667 .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
668 .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
669 LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
670 LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
672 .click_thresh_x = 10,
673 .click_thresh_y = 10,
674 .click_thresh_z = 10,
679 .modalias = "ak4104-codec", \
680 .max_speed_hz = 10000, \
683 .controller_data = (void *) GPIO_SPDIF_CS, \
688 .modalias = "lis3lv02d_spi", \
689 .max_speed_hz = 1000000, \
692 .controller_data = (void *) GPIO_ACCEL_CS, \
693 .platform_data = &lis3_pdata, \
694 .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \
697 #define SPI_DAC7512 \
699 .modalias = "dac7512", \
700 .max_speed_hz = 1000000, \
703 .controller_data = (void *) GPIO_MCLK_DAC_CS, \
706 static struct spi_board_info connector_spi_devices[] __initdata = {
711 static struct spi_board_info speaker_spi_devices[] __initdata = {
715 static struct spi_board_info controller_spi_devices[] __initdata = {
720 * MMC for Marvell Libertas 8688 via SDIO
723 static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
725 gpio_set_value(GPIO_W2W_RESET, 1);
726 gpio_set_value(GPIO_W2W_PDN, 1);
731 static void raumfeld_mci_exit(struct device *dev, void *data)
733 gpio_set_value(GPIO_W2W_RESET, 0);
734 gpio_set_value(GPIO_W2W_PDN, 0);
737 static struct pxamci_platform_data raumfeld_mci_platform_data = {
738 .init = raumfeld_mci_init,
739 .exit = raumfeld_mci_exit,
740 .detect_delay_ms = 200,
741 .gpio_card_detect = -1,
747 * External power / charge logic
750 static int power_supply_init(struct device *dev)
755 static void power_supply_exit(struct device *dev)
759 static int raumfeld_is_ac_online(void)
761 return !gpio_get_value(GPIO_CHARGE_DC_OK);
764 static int raumfeld_is_usb_online(void)
769 static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
771 static void raumfeld_power_signal_charged(void)
773 struct power_supply *psy =
774 power_supply_get_by_name(raumfeld_power_supplicants[0]);
777 power_supply_set_battery_charged(psy);
778 power_supply_put(psy);
782 static int raumfeld_power_resume(void)
784 /* check if GPIO_CHARGE_DONE went low while we were sleeping */
785 if (!gpio_get_value(GPIO_CHARGE_DONE))
786 raumfeld_power_signal_charged();
791 static struct pda_power_pdata power_supply_info = {
792 .init = power_supply_init,
793 .is_ac_online = raumfeld_is_ac_online,
794 .is_usb_online = raumfeld_is_usb_online,
795 .exit = power_supply_exit,
796 .supplied_to = raumfeld_power_supplicants,
797 .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
798 .resume = raumfeld_power_resume,
801 static struct resource power_supply_resources[] = {
804 .flags = IORESOURCE_IRQ |
805 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
806 .start = GPIO_CHARGE_DC_OK,
807 .end = GPIO_CHARGE_DC_OK,
811 static irqreturn_t charge_done_irq(int irq, void *dev_id)
813 raumfeld_power_signal_charged();
817 static struct platform_device raumfeld_power_supply = {
821 .platform_data = &power_supply_info,
823 .resource = power_supply_resources,
824 .num_resources = ARRAY_SIZE(power_supply_resources),
827 static void __init raumfeld_power_init(void)
831 /* Set PEN2 high to enable maximum charge current */
832 ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
834 pr_warn("Unable to request GPIO_CHRG_PEN2\n");
836 gpio_direction_output(GPIO_CHRG_PEN2, 1);
838 ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
840 pr_warn("Unable to request GPIO_CHARGE_DC_OK\n");
842 ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
844 pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n");
846 gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
848 power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
849 power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
851 ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
852 &charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
853 "charge_done", NULL);
856 printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
859 platform_device_register(&raumfeld_power_supply);
862 /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
864 static struct regulator_consumer_supply audio_va_consumer_supply =
865 REGULATOR_SUPPLY("va", "0-0048");
867 static struct regulator_init_data audio_va_initdata = {
868 .consumer_supplies = &audio_va_consumer_supply,
869 .num_consumer_supplies = 1,
871 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
875 static struct fixed_voltage_config audio_va_config = {
876 .supply_name = "audio_va",
877 .microvolts = 5000000,
878 .gpio = GPIO_AUDIO_VA_ENABLE,
880 .enabled_at_boot = 0,
881 .init_data = &audio_va_initdata,
884 static struct platform_device audio_va_device = {
885 .name = "reg-fixed-voltage",
888 .platform_data = &audio_va_config,
892 /* Dummy supplies for Codec's VD/VLC */
894 static struct regulator_consumer_supply audio_dummy_supplies[] = {
895 REGULATOR_SUPPLY("vd", "0-0048"),
896 REGULATOR_SUPPLY("vlc", "0-0048"),
899 static struct regulator_init_data audio_dummy_initdata = {
900 .consumer_supplies = audio_dummy_supplies,
901 .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
903 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
907 static struct fixed_voltage_config audio_dummy_config = {
908 .supply_name = "audio_vd",
909 .microvolts = 3300000,
911 .init_data = &audio_dummy_initdata,
914 static struct platform_device audio_supply_dummy_device = {
915 .name = "reg-fixed-voltage",
918 .platform_data = &audio_dummy_config,
922 static struct platform_device *audio_regulator_devices[] = {
924 &audio_supply_dummy_device,
928 * Regulator support via MAX8660
931 static struct regulator_consumer_supply vcc_mmc_supply =
932 REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
934 static struct regulator_init_data vcc_mmc_init_data = {
938 .valid_modes_mask = REGULATOR_MODE_NORMAL,
939 .valid_ops_mask = REGULATOR_CHANGE_STATUS |
940 REGULATOR_CHANGE_VOLTAGE |
941 REGULATOR_CHANGE_MODE,
943 .consumer_supplies = &vcc_mmc_supply,
944 .num_consumer_supplies = 1,
947 static struct max8660_subdev_data max8660_v6_subdev_data = {
950 .platform_data = &vcc_mmc_init_data,
953 static struct max8660_platform_data max8660_pdata = {
954 .subdevs = &max8660_v6_subdev_data,
962 static struct i2c_board_info raumfeld_pwri2c_board_info = {
965 .platform_data = &max8660_pdata,
968 static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
973 static struct gpiod_lookup_table raumfeld_controller_gpios_table = {
976 GPIO_LOOKUP("gpio-pxa",
977 GPIO_TOUCH_IRQ, "attn", GPIO_ACTIVE_HIGH),
982 static const struct resource raumfeld_controller_resources[] __initconst = {
984 .start = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
985 .end = PXA_GPIO_TO_IRQ(GPIO_TOUCH_IRQ),
986 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
990 static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
993 .resources = raumfeld_controller_resources,
994 .num_resources = ARRAY_SIZE(raumfeld_controller_resources),
997 static struct platform_device *raumfeld_common_devices[] = {
998 &raumfeld_gpio_keys_device,
999 &raumfeld_led_device,
1000 &raumfeld_spi_device,
1003 static void __init raumfeld_audio_init(void)
1007 ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
1009 pr_warn("unable to request GPIO_CODEC_RESET\n");
1011 gpio_direction_output(GPIO_CODEC_RESET, 1);
1013 ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
1015 pr_warn("unable to request GPIO_SPDIF_RESET\n");
1017 gpio_direction_output(GPIO_SPDIF_RESET, 1);
1019 ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
1021 pr_warn("unable to request GPIO_MCLK_RESET\n");
1023 gpio_direction_output(GPIO_MCLK_RESET, 1);
1025 platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
1028 static void __init raumfeld_common_init(void)
1032 /* The on/off button polarity has changed after revision 1 */
1033 if ((system_rev & 0xff) > 1) {
1036 for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
1037 if (!strcmp(gpio_keys_button[i].desc, "on_off button"))
1038 gpio_keys_button[i].active_low = 1;
1041 enable_irq_wake(IRQ_WAKEUP0);
1043 pxa3xx_set_nand_info(&raumfeld_nand_info);
1044 pxa3xx_set_i2c_power_info(NULL);
1045 pxa_set_ohci_info(&raumfeld_ohci_info);
1046 pxa_set_mci_info(&raumfeld_mci_platform_data);
1047 pxa_set_i2c_info(NULL);
1048 pxa_set_ffuart_info(NULL);
1050 ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
1052 pr_warn("Unable to request GPIO_W2W_RESET\n");
1054 gpio_direction_output(GPIO_W2W_RESET, 0);
1056 ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
1058 pr_warn("Unable to request GPIO_W2W_PDN\n");
1060 gpio_direction_output(GPIO_W2W_PDN, 0);
1062 /* this can be used to switch off the device */
1063 ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown");
1065 pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
1067 gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
1069 platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
1070 i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
1073 static void __init __maybe_unused raumfeld_controller_init(void)
1077 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
1079 gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1080 device_add_properties(&rotary_encoder_device.dev,
1081 raumfeld_rotary_properties);
1082 platform_device_register(&rotary_encoder_device);
1084 spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
1086 gpiod_add_lookup_table(&raumfeld_controller_gpios_table);
1087 i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
1089 ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
1091 pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n");
1093 gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
1095 raumfeld_common_init();
1096 raumfeld_power_init();
1097 raumfeld_lcd_init();
1101 static void __init __maybe_unused raumfeld_connector_init(void)
1103 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
1104 spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
1105 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1107 platform_device_register(&smc91x_device);
1109 raumfeld_audio_init();
1110 raumfeld_common_init();
1113 static void __init __maybe_unused raumfeld_speaker_init(void)
1115 pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
1116 spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
1117 i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
1119 platform_device_register(&smc91x_device);
1121 gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
1122 device_add_properties(&rotary_encoder_device.dev,
1123 raumfeld_rotary_properties);
1124 platform_device_register(&rotary_encoder_device);
1126 raumfeld_audio_init();
1127 raumfeld_common_init();
1130 /* physical memory regions */
1131 #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */
1133 #ifdef CONFIG_MACH_RAUMFELD_RC
1134 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
1135 .atag_offset = 0x100,
1136 .init_machine = raumfeld_controller_init,
1137 .map_io = pxa3xx_map_io,
1138 .nr_irqs = PXA_NR_IRQS,
1139 .init_irq = pxa3xx_init_irq,
1140 .handle_irq = pxa3xx_handle_irq,
1141 .init_time = pxa_timer_init,
1142 .restart = pxa_restart,
1146 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
1147 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
1148 .atag_offset = 0x100,
1149 .init_machine = raumfeld_connector_init,
1150 .map_io = pxa3xx_map_io,
1151 .nr_irqs = PXA_NR_IRQS,
1152 .init_irq = pxa3xx_init_irq,
1153 .handle_irq = pxa3xx_handle_irq,
1154 .init_time = pxa_timer_init,
1155 .restart = pxa_restart,
1159 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
1160 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
1161 .atag_offset = 0x100,
1162 .init_machine = raumfeld_speaker_init,
1163 .map_io = pxa3xx_map_io,
1164 .nr_irqs = PXA_NR_IRQS,
1165 .init_irq = pxa3xx_init_irq,
1166 .handle_irq = pxa3xx_handle_irq,
1167 .init_time = pxa_timer_init,
1168 .restart = pxa_restart,