/* * arch/arm/mach-pxa/raumfeld.c * * Support for the following Raumfeld devices: * * * Controller * * Connector * * Speaker S/M * * See http://www.raumfeld.com for details. * * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/init.h> #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/gpio.h> #include <linux/smsc911x.h> #include <linux/input.h> #include <linux/rotary_encoder.h> #include <linux/gpio_keys.h> #include <linux/input/eeti_ts.h> #include <linux/leds.h> #include <linux/w1-gpio.h> #include <linux/sched.h> #include <linux/pwm_backlight.h> #include <linux/i2c.h> #include <linux/i2c/pxa-i2c.h> #include <linux/spi/spi.h> #include <linux/spi/spi_gpio.h> #include <linux/lis3lv02d.h> #include <linux/pda_power.h> #include <linux/power_supply.h> #include <linux/regulator/max8660.h> #include <linux/regulator/machine.h> #include <linux/regulator/fixed.h> #include <linux/regulator/consumer.h> #include <linux/delay.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/pxa300.h> #include <mach/ohci.h> #include <mach/pxafb.h> #include <mach/mmc.h> #include <plat/pxa3xx_nand.h> #include "generic.h" #include "devices.h" #include "clock.h" /* common GPIO definitions */ /* inputs */ #define GPIO_ON_OFF (14) #define GPIO_VOLENC_A (19) #define GPIO_VOLENC_B (20) #define GPIO_CHARGE_DONE (23) #define GPIO_CHARGE_IND (27) #define GPIO_TOUCH_IRQ (32) #define GPIO_ETH_IRQ (40) #define GPIO_SPI_MISO (98) #define GPIO_ACCEL_IRQ (104) #define GPIO_RESCUE_BOOT (115) #define GPIO_DOCK_DETECT (116) #define GPIO_KEY1 (117) #define GPIO_KEY2 (118) #define GPIO_KEY3 (119) #define GPIO_CHARGE_USB_OK (112) #define GPIO_CHARGE_DC_OK (101) #define GPIO_CHARGE_USB_SUSP (102) /* outputs */ #define GPIO_SHUTDOWN_SUPPLY (16) #define GPIO_SHUTDOWN_BATT (18) #define GPIO_CHRG_PEN2 (31) #define GPIO_TFT_VA_EN (33) #define GPIO_SPDIF_CS (34) #define GPIO_LED2 (35) #define GPIO_LED1 (36) #define GPIO_SPDIF_RESET (38) #define GPIO_SPI_CLK (95) #define GPIO_MCLK_DAC_CS (96) #define GPIO_SPI_MOSI (97) #define GPIO_W1_PULLUP_ENABLE (105) #define GPIO_DISPLAY_ENABLE (106) #define GPIO_MCLK_RESET (111) #define GPIO_W2W_RESET (113) #define GPIO_W2W_PDN (114) #define GPIO_CODEC_RESET (120) #define GPIO_AUDIO_VA_ENABLE (124) #define GPIO_ACCEL_CS (125) #define GPIO_ONE_WIRE (126) /* * GPIO configurations */ static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = { /* UART1 */ GPIO77_UART1_RXD, GPIO78_UART1_TXD, GPIO79_UART1_CTS, GPIO81_UART1_DSR, GPIO83_UART1_DTR, GPIO84_UART1_RTS, /* UART3 */ GPIO110_UART3_RXD, /* USB Host */ GPIO0_2_USBH_PEN, GPIO1_2_USBH_PWR, /* I2C */ GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT, GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT, /* SPI */ GPIO34_GPIO, /* SPDIF_CS */ GPIO96_GPIO, /* MCLK_CS */ GPIO125_GPIO, /* ACCEL_CS */ /* MMC */ GPIO3_MMC1_DAT0, GPIO4_MMC1_DAT1, GPIO5_MMC1_DAT2, GPIO6_MMC1_DAT3, GPIO7_MMC1_CLK, GPIO8_MMC1_CMD, /* One-wire */ GPIO126_GPIO | MFP_LPM_FLOAT, GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW, /* CHRG_USB_OK */ GPIO101_GPIO | MFP_PULL_HIGH, /* CHRG_USB_OK */ GPIO112_GPIO | MFP_PULL_HIGH, /* CHRG_USB_SUSP */ GPIO102_GPIO, /* DISPLAY_ENABLE */ GPIO106_GPIO, /* DOCK_DETECT */ GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT, /* LCD */ GPIO54_LCD_LDD_0, GPIO55_LCD_LDD_1, GPIO56_LCD_LDD_2, GPIO57_LCD_LDD_3, GPIO58_LCD_LDD_4, GPIO59_LCD_LDD_5, GPIO60_LCD_LDD_6, GPIO61_LCD_LDD_7, GPIO62_LCD_LDD_8, GPIO63_LCD_LDD_9, GPIO64_LCD_LDD_10, GPIO65_LCD_LDD_11, GPIO66_LCD_LDD_12, GPIO67_LCD_LDD_13, GPIO68_LCD_LDD_14, GPIO69_LCD_LDD_15, GPIO70_LCD_LDD_16, GPIO71_LCD_LDD_17, GPIO72_LCD_FCLK, GPIO73_LCD_LCLK, GPIO74_LCD_PCLK, GPIO75_LCD_BIAS, }; static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = { /* UART1 */ GPIO77_UART1_RXD, GPIO78_UART1_TXD, GPIO79_UART1_CTS, GPIO81_UART1_DSR, GPIO83_UART1_DTR, GPIO84_UART1_RTS, /* UART3 */ GPIO110_UART3_RXD, /* USB Host */ GPIO0_2_USBH_PEN, GPIO1_2_USBH_PWR, /* I2C */ GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT, GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT, /* SPI */ GPIO34_GPIO, /* SPDIF_CS */ GPIO96_GPIO, /* MCLK_CS */ GPIO125_GPIO, /* ACCEL_CS */ /* MMC */ GPIO3_MMC1_DAT0, GPIO4_MMC1_DAT1, GPIO5_MMC1_DAT2, GPIO6_MMC1_DAT3, GPIO7_MMC1_CLK, GPIO8_MMC1_CMD, /* Ethernet */ GPIO1_nCS2, /* CS */ GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */ /* SSP for I2S */ GPIO85_SSP1_SCLK, GPIO89_SSP1_EXTCLK, GPIO86_SSP1_FRM, GPIO87_SSP1_TXD, GPIO88_SSP1_RXD, GPIO90_SSP1_SYSCLK, /* SSP2 for S/PDIF */ GPIO25_SSP2_SCLK, GPIO26_SSP2_FRM, GPIO27_SSP2_TXD, GPIO29_SSP2_EXTCLK, /* LEDs */ GPIO35_GPIO | MFP_LPM_PULL_LOW, GPIO36_GPIO | MFP_LPM_DRIVE_HIGH, }; static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = { /* UART1 */ GPIO77_UART1_RXD, GPIO78_UART1_TXD, GPIO79_UART1_CTS, GPIO81_UART1_DSR, GPIO83_UART1_DTR, GPIO84_UART1_RTS, /* UART3 */ GPIO110_UART3_RXD, /* USB Host */ GPIO0_2_USBH_PEN, GPIO1_2_USBH_PWR, /* I2C */ GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT, GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT, /* SPI */ GPIO34_GPIO, /* SPDIF_CS */ GPIO96_GPIO, /* MCLK_CS */ GPIO125_GPIO, /* ACCEL_CS */ /* MMC */ GPIO3_MMC1_DAT0, GPIO4_MMC1_DAT1, GPIO5_MMC1_DAT2, GPIO6_MMC1_DAT3, GPIO7_MMC1_CLK, GPIO8_MMC1_CMD, /* Ethernet */ GPIO1_nCS2, /* CS */ GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */ /* SSP for I2S */ GPIO85_SSP1_SCLK, GPIO89_SSP1_EXTCLK, GPIO86_SSP1_FRM, GPIO87_SSP1_TXD, GPIO88_SSP1_RXD, GPIO90_SSP1_SYSCLK, /* LEDs */ GPIO35_GPIO | MFP_LPM_PULL_LOW, GPIO36_GPIO | MFP_LPM_DRIVE_HIGH, }; /* * SMSC LAN9220 Ethernet */ static struct resource smc91x_resources[] = { { .start = PXA3xx_CS2_PHYS, .end = PXA3xx_CS2_PHYS + 0xfffff, .flags = IORESOURCE_MEM, }, { .start = gpio_to_irq(GPIO_ETH_IRQ), .end = gpio_to_irq(GPIO_ETH_IRQ), .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, } }; static struct smsc911x_platform_config raumfeld_smsc911x_config = { .phy_interface = PHY_INTERFACE_MODE_MII, .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS, }; static struct platform_device smc91x_device = { .name = "smsc911x", .id = -1, .num_resources = ARRAY_SIZE(smc91x_resources), .resource = smc91x_resources, .dev = { .platform_data = &raumfeld_smsc911x_config, } }; /** * NAND */ static struct mtd_partition raumfeld_nand_partitions[] = { { .name = "Bootloader", .offset = 0, .size = 0xa0000, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "BootloaderEnvironment", .offset = 0xa0000, .size = 0x20000, }, { .name = "BootloaderSplashScreen", .offset = 0xc0000, .size = 0x60000, }, { .name = "UBI", .offset = 0x120000, .size = MTDPART_SIZ_FULL, }, }; static struct pxa3xx_nand_platform_data raumfeld_nand_info = { .enable_arbiter = 1, .keep_config = 1, .parts = raumfeld_nand_partitions, .nr_parts = ARRAY_SIZE(raumfeld_nand_partitions), }; /** * USB (OHCI) support */ static struct pxaohci_platform_data raumfeld_ohci_info = { .port_mode = PMM_GLOBAL_MODE, .flags = ENABLE_PORT1, }; /** * Rotary encoder input device */ static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = { .steps = 24, .axis = REL_X, .relative_axis = 1, .gpio_a = GPIO_VOLENC_A, .gpio_b = GPIO_VOLENC_B, .inverted_a = 1, .inverted_b = 0, }; static struct platform_device rotary_encoder_device = { .name = "rotary-encoder", .id = 0, .dev = { .platform_data = &raumfeld_rotary_encoder_info, } }; /** * GPIO buttons */ static struct gpio_keys_button gpio_keys_button[] = { { .code = KEY_F1, .type = EV_KEY, .gpio = GPIO_KEY1, .active_low = 1, .wakeup = 0, .debounce_interval = 5, /* ms */ .desc = "Button 1", }, { .code = KEY_F2, .type = EV_KEY, .gpio = GPIO_KEY2, .active_low = 1, .wakeup = 0, .debounce_interval = 5, /* ms */ .desc = "Button 2", }, { .code = KEY_F3, .type = EV_KEY, .gpio = GPIO_KEY3, .active_low = 1, .wakeup = 0, .debounce_interval = 5, /* ms */ .desc = "Button 3", }, { .code = KEY_F4, .type = EV_KEY, .gpio = GPIO_RESCUE_BOOT, .active_low = 0, .wakeup = 0, .debounce_interval = 5, /* ms */ .desc = "rescue boot button", }, { .code = KEY_F5, .type = EV_KEY, .gpio = GPIO_DOCK_DETECT, .active_low = 1, .wakeup = 0, .debounce_interval = 5, /* ms */ .desc = "dock detect", }, { .code = KEY_F6, .type = EV_KEY, .gpio = GPIO_ON_OFF, .active_low = 0, .wakeup = 0, .debounce_interval = 5, /* ms */ .desc = "on_off button", }, }; static struct gpio_keys_platform_data gpio_keys_platform_data = { .buttons = gpio_keys_button, .nbuttons = ARRAY_SIZE(gpio_keys_button), .rep = 0, }; static struct platform_device raumfeld_gpio_keys_device = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &gpio_keys_platform_data, } }; /** * GPIO LEDs */ static struct gpio_led raumfeld_leds[] = { { .name = "raumfeld:1", .gpio = GPIO_LED1, .active_low = 1, .default_state = LEDS_GPIO_DEFSTATE_ON, }, { .name = "raumfeld:2", .gpio = GPIO_LED2, .active_low = 0, .default_state = LEDS_GPIO_DEFSTATE_OFF, } }; static struct gpio_led_platform_data raumfeld_led_platform_data = { .leds = raumfeld_leds, .num_leds = ARRAY_SIZE(raumfeld_leds), }; static struct platform_device raumfeld_led_device = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &raumfeld_led_platform_data, }, }; /** * One-wire (W1 bus) support */ static void w1_enable_external_pullup(int enable) { gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable); msleep(100); } static struct w1_gpio_platform_data w1_gpio_platform_data = { .pin = GPIO_ONE_WIRE, .is_open_drain = 0, .enable_external_pullup = w1_enable_external_pullup, }; struct platform_device raumfeld_w1_gpio_device = { .name = "w1-gpio", .dev = { .platform_data = &w1_gpio_platform_data } }; static void __init raumfeld_w1_init(void) { int ret = gpio_request(GPIO_W1_PULLUP_ENABLE, "W1 external pullup enable"); if (ret < 0) pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n"); else gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0); platform_device_register(&raumfeld_w1_gpio_device); } /** * Framebuffer device */ /* PWM controlled backlight */ static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = { .pwm_id = 0, .max_brightness = 100, .dft_brightness = 100, /* 10000 ns = 10 ms ^= 100 kHz */ .pwm_period_ns = 10000, }; static struct platform_device raumfeld_pwm_backlight_device = { .name = "pwm-backlight", .dev = { .parent = &pxa27x_device_pwm0.dev, .platform_data = &raumfeld_pwm_backlight_data, } }; /* LT3593 controlled backlight */ static struct gpio_led raumfeld_lt3593_led = { .name = "backlight", .gpio = mfp_to_gpio(MFP_PIN_GPIO17), .default_state = LEDS_GPIO_DEFSTATE_ON, }; static struct gpio_led_platform_data raumfeld_lt3593_platform_data = { .leds = &raumfeld_lt3593_led, .num_leds = 1, }; static struct platform_device raumfeld_lt3593_device = { .name = "leds-lt3593", .id = -1, .dev = { .platform_data = &raumfeld_lt3593_platform_data, }, }; static struct pxafb_mode_info sharp_lq043t3dx02_mode = { .pixclock = 111000, .xres = 480, .yres = 272, .bpp = 16, .hsync_len = 41, .left_margin = 2, .right_margin = 1, .vsync_len = 10, .upper_margin = 3, .lower_margin = 1, .sync = 0, }; static struct pxafb_mach_info raumfeld_sharp_lcd_info = { .modes = &sharp_lq043t3dx02_mode, .num_modes = 1, .video_mem_size = 0x400000, .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, #ifdef CONFIG_PXA3XX_GCU .acceleration_enabled = 1, #endif }; static void __init raumfeld_lcd_init(void) { int ret; ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable"); if (ret < 0) pr_warning("Unable to request GPIO_TFT_VA_EN\n"); else gpio_direction_output(GPIO_TFT_VA_EN, 1); msleep(100); ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable"); if (ret < 0) pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n"); else gpio_direction_output(GPIO_DISPLAY_ENABLE, 1); /* Hardware revision 2 has the backlight regulator controlled * by an LT3593, earlier and later devices use PWM for that. */ if ((system_rev & 0xff) == 2) { platform_device_register(&raumfeld_lt3593_device); } else { mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT; pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1); platform_device_register(&raumfeld_pwm_backlight_device); } pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info); platform_device_register(&pxa3xx_device_gcu); } /** * SPI devices */ struct spi_gpio_platform_data raumfeld_spi_platform_data = { .sck = GPIO_SPI_CLK, .mosi = GPIO_SPI_MOSI, .miso = GPIO_SPI_MISO, .num_chipselect = 3, }; static struct platform_device raumfeld_spi_device = { .name = "spi_gpio", .id = 0, .dev = { .platform_data = &raumfeld_spi_platform_data, } }; static struct lis3lv02d_platform_data lis3_pdata = { .click_flags = LIS3_CLICK_SINGLE_X | LIS3_CLICK_SINGLE_Y | LIS3_CLICK_SINGLE_Z, .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK, .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI | LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI | LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI, .wakeup_thresh = 10, .click_thresh_x = 10, .click_thresh_y = 10, .click_thresh_z = 10, }; #define SPI_AK4104 \ { \ .modalias = "ak4104-codec", \ .max_speed_hz = 10000, \ .bus_num = 0, \ .chip_select = 0, \ .controller_data = (void *) GPIO_SPDIF_CS, \ } #define SPI_LIS3 \ { \ .modalias = "lis3lv02d_spi", \ .max_speed_hz = 1000000, \ .bus_num = 0, \ .chip_select = 1, \ .controller_data = (void *) GPIO_ACCEL_CS, \ .platform_data = &lis3_pdata, \ .irq = gpio_to_irq(GPIO_ACCEL_IRQ), \ } #define SPI_DAC7512 \ { \ .modalias = "dac7512", \ .max_speed_hz = 1000000, \ .bus_num = 0, \ .chip_select = 2, \ .controller_data = (void *) GPIO_MCLK_DAC_CS, \ } static struct spi_board_info connector_spi_devices[] __initdata = { SPI_AK4104, SPI_DAC7512, }; static struct spi_board_info speaker_spi_devices[] __initdata = { SPI_DAC7512, }; static struct spi_board_info controller_spi_devices[] __initdata = { SPI_LIS3, }; /** * MMC for Marvell Libertas 8688 via SDIO */ static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data) { gpio_set_value(GPIO_W2W_RESET, 1); gpio_set_value(GPIO_W2W_PDN, 1); return 0; } static void raumfeld_mci_exit(struct device *dev, void *data) { gpio_set_value(GPIO_W2W_RESET, 0); gpio_set_value(GPIO_W2W_PDN, 0); } static struct pxamci_platform_data raumfeld_mci_platform_data = { .init = raumfeld_mci_init, .exit = raumfeld_mci_exit, .detect_delay_ms = 200, .gpio_card_detect = -1, .gpio_card_ro = -1, .gpio_power = -1, }; /* * External power / charge logic */ static int power_supply_init(struct device *dev) { return 0; } static void power_supply_exit(struct device *dev) { } static int raumfeld_is_ac_online(void) { return !gpio_get_value(GPIO_CHARGE_DC_OK); } static int raumfeld_is_usb_online(void) { return 0; } static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" }; static void raumfeld_power_signal_charged(void) { struct power_supply *psy = power_supply_get_by_name(raumfeld_power_supplicants[0]); if (psy) power_supply_set_battery_charged(psy); } static int raumfeld_power_resume(void) { /* check if GPIO_CHARGE_DONE went low while we were sleeping */ if (!gpio_get_value(GPIO_CHARGE_DONE)) raumfeld_power_signal_charged(); return 0; } static struct pda_power_pdata power_supply_info = { .init = power_supply_init, .is_ac_online = raumfeld_is_ac_online, .is_usb_online = raumfeld_is_usb_online, .exit = power_supply_exit, .supplied_to = raumfeld_power_supplicants, .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants), .resume = raumfeld_power_resume, }; static struct resource power_supply_resources[] = { { .name = "ac", .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, .start = GPIO_CHARGE_DC_OK, .end = GPIO_CHARGE_DC_OK, }, }; static irqreturn_t charge_done_irq(int irq, void *dev_id) { raumfeld_power_signal_charged(); return IRQ_HANDLED; } static struct platform_device raumfeld_power_supply = { .name = "pda-power", .id = -1, .dev = { .platform_data = &power_supply_info, }, .resource = power_supply_resources, .num_resources = ARRAY_SIZE(power_supply_resources), }; static void __init raumfeld_power_init(void) { int ret; /* Set PEN2 high to enable maximum charge current */ ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2"); if (ret < 0) pr_warning("Unable to request GPIO_CHRG_PEN2\n"); else gpio_direction_output(GPIO_CHRG_PEN2, 1); ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK"); if (ret < 0) pr_warning("Unable to request GPIO_CHARGE_DC_OK\n"); ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP"); if (ret < 0) pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n"); else gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0); power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK); power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK); ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE), &charge_done_irq, IORESOURCE_IRQ_LOWEDGE, "charge_done", NULL); if (ret < 0) printk(KERN_ERR "%s: unable to register irq %d\n", __func__, GPIO_CHARGE_DONE); else platform_device_register(&raumfeld_power_supply); } /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */ static struct regulator_consumer_supply audio_va_consumer_supply = REGULATOR_SUPPLY("va", "0-0048"); struct regulator_init_data audio_va_initdata = { .consumer_supplies = &audio_va_consumer_supply, .num_consumer_supplies = 1, .constraints = { .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, }; static struct fixed_voltage_config audio_va_config = { .supply_name = "audio_va", .microvolts = 5000000, .gpio = GPIO_AUDIO_VA_ENABLE, .enable_high = 1, .enabled_at_boot = 0, .init_data = &audio_va_initdata, }; static struct platform_device audio_va_device = { .name = "reg-fixed-voltage", .id = 0, .dev = { .platform_data = &audio_va_config, }, }; /* Dummy supplies for Codec's VD/VLC */ static struct regulator_consumer_supply audio_dummy_supplies[] = { REGULATOR_SUPPLY("vd", "0-0048"), REGULATOR_SUPPLY("vlc", "0-0048"), }; struct regulator_init_data audio_dummy_initdata = { .consumer_supplies = audio_dummy_supplies, .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies), .constraints = { .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, }; static struct fixed_voltage_config audio_dummy_config = { .supply_name = "audio_vd", .microvolts = 3300000, .gpio = -1, .init_data = &audio_dummy_initdata, }; static struct platform_device audio_supply_dummy_device = { .name = "reg-fixed-voltage", .id = 1, .dev = { .platform_data = &audio_dummy_config, }, }; static struct platform_device *audio_regulator_devices[] = { &audio_va_device, &audio_supply_dummy_device, }; /** * Regulator support via MAX8660 */ static struct regulator_consumer_supply vcc_mmc_supply = REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0"); static struct regulator_init_data vcc_mmc_init_data = { .constraints = { .min_uV = 3300000, .max_uV = 3300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .valid_ops_mask = REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE, }, .consumer_supplies = &vcc_mmc_supply, .num_consumer_supplies = 1, }; struct max8660_subdev_data max8660_v6_subdev_data = { .id = MAX8660_V6, .name = "vmmc", .platform_data = &vcc_mmc_init_data, }; static struct max8660_platform_data max8660_pdata = { .subdevs = &max8660_v6_subdev_data, .num_subdevs = 1, }; /** * I2C devices */ static struct i2c_board_info raumfeld_pwri2c_board_info = { .type = "max8660", .addr = 0x34, .platform_data = &max8660_pdata, }; static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = { .type = "cs4270", .addr = 0x48, }; static struct eeti_ts_platform_data eeti_ts_pdata = { .irq_active_high = 1, }; static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = { .type = "eeti_ts", .addr = 0x0a, .irq = gpio_to_irq(GPIO_TOUCH_IRQ), .platform_data = &eeti_ts_pdata, }; static struct platform_device *raumfeld_common_devices[] = { &raumfeld_gpio_keys_device, &raumfeld_led_device, &raumfeld_spi_device, }; static void __init raumfeld_audio_init(void) { int ret; ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset"); if (ret < 0) pr_warning("unable to request GPIO_CODEC_RESET\n"); else gpio_direction_output(GPIO_CODEC_RESET, 1); ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset"); if (ret < 0) pr_warning("unable to request GPIO_SPDIF_RESET\n"); else gpio_direction_output(GPIO_SPDIF_RESET, 1); ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset"); if (ret < 0) pr_warning("unable to request GPIO_MCLK_RESET\n"); else gpio_direction_output(GPIO_MCLK_RESET, 1); platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices)); } static void __init raumfeld_common_init(void) { int ret; /* The on/off button polarity has changed after revision 1 */ if ((system_rev & 0xff) > 1) { int i; for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++) if (!strcmp(gpio_keys_button[i].desc, "on_off button")) gpio_keys_button[i].active_low = 1; } enable_irq_wake(IRQ_WAKEUP0); pxa3xx_set_nand_info(&raumfeld_nand_info); pxa3xx_set_i2c_power_info(NULL); pxa_set_ohci_info(&raumfeld_ohci_info); pxa_set_mci_info(&raumfeld_mci_platform_data); pxa_set_i2c_info(NULL); pxa_set_ffuart_info(NULL); ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset"); if (ret < 0) pr_warning("Unable to request GPIO_W2W_RESET\n"); else gpio_direction_output(GPIO_W2W_RESET, 0); ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup"); if (ret < 0) pr_warning("Unable to request GPIO_W2W_PDN\n"); else gpio_direction_output(GPIO_W2W_PDN, 0); /* this can be used to switch off the device */ ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown"); if (ret < 0) pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n"); else gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0); platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices)); i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1); } static void __init raumfeld_controller_init(void) { int ret; pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config)); platform_device_register(&rotary_encoder_device); spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices)); i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1); ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown"); if (ret < 0) pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n"); else gpio_direction_output(GPIO_SHUTDOWN_BATT, 0); raumfeld_common_init(); raumfeld_power_init(); raumfeld_lcd_init(); raumfeld_w1_init(); } static void __init raumfeld_connector_init(void) { pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config)); spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices)); i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1); platform_device_register(&smc91x_device); raumfeld_audio_init(); raumfeld_common_init(); } static void __init raumfeld_speaker_init(void) { pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config)); spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices)); i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1); platform_device_register(&smc91x_device); platform_device_register(&rotary_encoder_device); raumfeld_audio_init(); raumfeld_common_init(); } /* physical memory regions */ #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */ #ifdef CONFIG_MACH_RAUMFELD_RC MACHINE_START(RAUMFELD_RC, "Raumfeld Controller") .atag_offset = 0x100, .init_machine = raumfeld_controller_init, .map_io = pxa3xx_map_io, .init_irq = pxa3xx_init_irq, .handle_irq = pxa3xx_handle_irq, .timer = &pxa_timer, MACHINE_END #endif #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector") .atag_offset = 0x100, .init_machine = raumfeld_connector_init, .map_io = pxa3xx_map_io, .init_irq = pxa3xx_init_irq, .handle_irq = pxa3xx_handle_irq, .timer = &pxa_timer, MACHINE_END #endif #ifdef CONFIG_MACH_RAUMFELD_SPEAKER MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker") .atag_offset = 0x100, .init_machine = raumfeld_speaker_init, .map_io = pxa3xx_map_io, .init_irq = pxa3xx_init_irq, .handle_irq = pxa3xx_handle_irq, .timer = &pxa_timer, MACHINE_END #endif