/* * linux/arch/arm/mach-omap2/board-rx51-peripherals.c * * Copyright (C) 2008-2009 Nokia * * 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/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/input.h> #include <linux/input/matrix_keypad.h> #include <linux/spi/spi.h> #include <linux/spi/wl12xx.h> #include <linux/i2c.h> #include <linux/i2c/twl.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/regulator/machine.h> #include <linux/gpio.h> #include <linux/gpio_keys.h> #include <linux/mmc/host.h> #include <plat/mcspi.h> #include <plat/mux.h> #include <plat/board.h> #include <plat/common.h> #include <plat/dma.h> #include <plat/gpmc.h> #include <plat/onenand.h> #include <plat/gpmc-smc91x.h> #include "mux.h" #include "mmc-twl4030.h" #define SYSTEM_REV_B_USES_VAUX3 0x1699 #define SYSTEM_REV_S_USES_VAUX3 0x8 #define RX51_WL1251_POWER_GPIO 87 #define RX51_WL1251_IRQ_GPIO 42 /* list all spi devices here */ enum { RX51_SPI_WL1251, }; static struct wl12xx_platform_data wl1251_pdata; static struct omap2_mcspi_device_config wl1251_mcspi_config = { .turbo_mode = 0, .single_channel = 1, }; static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = { [RX51_SPI_WL1251] = { .modalias = "wl1251", .bus_num = 4, .chip_select = 0, .max_speed_hz = 48000000, .mode = SPI_MODE_3, .controller_data = &wl1251_mcspi_config, .platform_data = &wl1251_pdata, }, }; #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) #define RX51_GPIO_CAMERA_LENS_COVER 110 #define RX51_GPIO_CAMERA_FOCUS 68 #define RX51_GPIO_CAMERA_CAPTURE 69 #define RX51_GPIO_KEYPAD_SLIDE 71 #define RX51_GPIO_LOCK_BUTTON 113 #define RX51_GPIO_PROXIMITY 89 #define RX51_GPIO_DEBOUNCE_TIMEOUT 10 static struct gpio_keys_button rx51_gpio_keys[] = { { .desc = "Camera Lens Cover", .type = EV_SW, .code = SW_CAMERA_LENS_COVER, .gpio = RX51_GPIO_CAMERA_LENS_COVER, .active_low = 1, .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT, }, { .desc = "Camera Focus", .type = EV_KEY, .code = KEY_CAMERA_FOCUS, .gpio = RX51_GPIO_CAMERA_FOCUS, .active_low = 1, .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT, }, { .desc = "Camera Capture", .type = EV_KEY, .code = KEY_CAMERA, .gpio = RX51_GPIO_CAMERA_CAPTURE, .active_low = 1, .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT, }, { .desc = "Lock Button", .type = EV_KEY, .code = KEY_SCREENLOCK, .gpio = RX51_GPIO_LOCK_BUTTON, .active_low = 1, .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT, }, { .desc = "Keypad Slide", .type = EV_SW, .code = SW_KEYPAD_SLIDE, .gpio = RX51_GPIO_KEYPAD_SLIDE, .active_low = 1, .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT, }, { .desc = "Proximity Sensor", .type = EV_SW, .code = SW_FRONT_PROXIMITY, .gpio = RX51_GPIO_PROXIMITY, .active_low = 0, .debounce_interval = RX51_GPIO_DEBOUNCE_TIMEOUT, } }; static struct gpio_keys_platform_data rx51_gpio_keys_data = { .buttons = rx51_gpio_keys, .nbuttons = ARRAY_SIZE(rx51_gpio_keys), }; static struct platform_device rx51_gpio_keys_device = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &rx51_gpio_keys_data, }, }; static void __init rx51_add_gpio_keys(void) { platform_device_register(&rx51_gpio_keys_device); } #else static void __init rx51_add_gpio_keys(void) { } #endif /* CONFIG_KEYBOARD_GPIO || CONFIG_KEYBOARD_GPIO_MODULE */ static int board_keymap[] = { KEY(0, 0, KEY_Q), KEY(0, 1, KEY_O), KEY(0, 2, KEY_P), KEY(0, 3, KEY_COMMA), KEY(0, 4, KEY_BACKSPACE), KEY(0, 6, KEY_A), KEY(0, 7, KEY_S), KEY(1, 0, KEY_W), KEY(1, 1, KEY_D), KEY(1, 2, KEY_F), KEY(1, 3, KEY_G), KEY(1, 4, KEY_H), KEY(1, 5, KEY_J), KEY(1, 6, KEY_K), KEY(1, 7, KEY_L), KEY(2, 0, KEY_E), KEY(2, 1, KEY_DOT), KEY(2, 2, KEY_UP), KEY(2, 3, KEY_ENTER), KEY(2, 5, KEY_Z), KEY(2, 6, KEY_X), KEY(2, 7, KEY_C), KEY(3, 0, KEY_R), KEY(3, 1, KEY_V), KEY(3, 2, KEY_B), KEY(3, 3, KEY_N), KEY(3, 4, KEY_M), KEY(3, 5, KEY_SPACE), KEY(3, 6, KEY_SPACE), KEY(3, 7, KEY_LEFT), KEY(4, 0, KEY_T), KEY(4, 1, KEY_DOWN), KEY(4, 2, KEY_RIGHT), KEY(4, 4, KEY_LEFTCTRL), KEY(4, 5, KEY_RIGHTALT), KEY(4, 6, KEY_LEFTSHIFT), KEY(5, 0, KEY_Y), KEY(6, 0, KEY_U), KEY(7, 0, KEY_I), KEY(7, 1, KEY_F7), KEY(7, 2, KEY_F8), KEY(0xff, 2, KEY_F9), KEY(0xff, 4, KEY_F10), KEY(0xff, 5, KEY_F11), }; static struct matrix_keymap_data board_map_data = { .keymap = board_keymap, .keymap_size = ARRAY_SIZE(board_keymap), }; static struct twl4030_keypad_data rx51_kp_data = { .keymap_data = &board_map_data, .rows = 8, .cols = 8, .rep = 1, }; static struct twl4030_madc_platform_data rx51_madc_data = { .irq_line = 1, }; static struct twl4030_hsmmc_info mmc[] = { { .name = "external", .mmc = 1, .wires = 4, .cover_only = true, .gpio_cd = 160, .gpio_wp = -EINVAL, .power_saving = true, }, { .name = "internal", .mmc = 2, .wires = 8, .gpio_cd = -EINVAL, .gpio_wp = -EINVAL, .nonremovable = true, .power_saving = true, }, {} /* Terminator */ }; static struct regulator_consumer_supply rx51_vmmc1_supply = { .supply = "vmmc", }; static struct regulator_consumer_supply rx51_vmmc2_supply = { .supply = "vmmc", }; static struct regulator_consumer_supply rx51_vsim_supply = { .supply = "vmmc_aux", }; static struct regulator_init_data rx51_vaux1 = { .constraints = { .name = "V28", .min_uV = 2800000, .max_uV = 2800000, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, }; static struct regulator_init_data rx51_vaux2 = { .constraints = { .name = "VCSI", .min_uV = 1800000, .max_uV = 1800000, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, }; /* VAUX3 - adds more power to VIO_18 rail */ static struct regulator_init_data rx51_vaux3_cam = { .constraints = { .name = "VCAM_DIG_18", .min_uV = 1800000, .max_uV = 1800000, .apply_uV = true, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, }; static struct regulator_init_data rx51_vaux3_mmc = { .constraints = { .name = "VMMC2_30", .min_uV = 2800000, .max_uV = 3000000, .apply_uV = true, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = 1, .consumer_supplies = &rx51_vmmc2_supply, }; static struct regulator_init_data rx51_vaux4 = { .constraints = { .name = "VCAM_ANA_28", .min_uV = 2800000, .max_uV = 2800000, .apply_uV = true, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, }; static struct regulator_init_data rx51_vmmc1 = { .constraints = { .min_uV = 1850000, .max_uV = 3150000, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = 1, .consumer_supplies = &rx51_vmmc1_supply, }; static struct regulator_init_data rx51_vmmc2 = { .constraints = { .name = "VMMC2_30", .min_uV = 1850000, .max_uV = 3150000, .apply_uV = true, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = 1, .consumer_supplies = &rx51_vmmc2_supply, }; static struct regulator_init_data rx51_vsim = { .constraints = { .name = "VMMC2_IO_18", .min_uV = 1800000, .max_uV = 1800000, .apply_uV = true, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = 1, .consumer_supplies = &rx51_vsim_supply, }; static struct regulator_init_data rx51_vdac = { .constraints = { .min_uV = 1800000, .max_uV = 1800000, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, }; static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n) { /* FIXME this gpio setup is just a placeholder for now */ gpio_request(gpio + 6, "backlight_pwm"); gpio_direction_output(gpio + 6, 0); gpio_request(gpio + 7, "speaker_en"); gpio_direction_output(gpio + 7, 1); /* set up MMC adapters, linking their regulators to them */ twl4030_mmc_init(mmc); rx51_vmmc1_supply.dev = mmc[0].dev; rx51_vmmc2_supply.dev = mmc[1].dev; rx51_vsim_supply.dev = mmc[1].dev; return 0; } static struct twl4030_gpio_platform_data rx51_gpio_data = { .gpio_base = OMAP_MAX_GPIO_LINES, .irq_base = TWL4030_GPIO_IRQ_BASE, .irq_end = TWL4030_GPIO_IRQ_END, .pulldowns = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) | BIT(8) | BIT(9) | BIT(10) | BIT(11) | BIT(12) | BIT(13) | BIT(14) | BIT(15) | BIT(16) | BIT(17) , .setup = rx51_twlgpio_setup, }; static struct twl4030_usb_data rx51_usb_data = { .usb_mode = T2_USB_MODE_ULPI, }; static struct twl4030_ins sleep_on_seq[] __initdata = { /* * Turn off everything */ {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 1, 0, RES_STATE_SLEEP), 2}, }; static struct twl4030_script sleep_on_script __initdata = { .script = sleep_on_seq, .size = ARRAY_SIZE(sleep_on_seq), .flags = TWL4030_SLEEP_SCRIPT, }; static struct twl4030_ins wakeup_seq[] __initdata = { /* * Reenable everything */ {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 1, 0, RES_STATE_ACTIVE), 2}, }; static struct twl4030_script wakeup_script __initdata = { .script = wakeup_seq, .size = ARRAY_SIZE(wakeup_seq), .flags = TWL4030_WAKEUP12_SCRIPT, }; static struct twl4030_ins wakeup_p3_seq[] __initdata = { /* * Reenable everything */ {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 1, 0, RES_STATE_ACTIVE), 2}, }; static struct twl4030_script wakeup_p3_script __initdata = { .script = wakeup_p3_seq, .size = ARRAY_SIZE(wakeup_p3_seq), .flags = TWL4030_WAKEUP3_SCRIPT, }; static struct twl4030_ins wrst_seq[] __initdata = { /* * Reset twl4030. * Reset VDD1 regulator. * Reset VDD2 regulator. * Reset VPLL1 regulator. * Enable sysclk output. * Reenable twl4030. */ {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_OFF), 2}, {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 0, 1, RES_STATE_ACTIVE), 0x13}, {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 3, RES_STATE_OFF), 0x13}, {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD1, RES_STATE_WRST), 0x13}, {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD2, RES_STATE_WRST), 0x13}, {MSG_SINGULAR(DEV_GRP_NULL, RES_VPLL1, RES_STATE_WRST), 0x35}, {MSG_SINGULAR(DEV_GRP_P3, RES_HFCLKOUT, RES_STATE_ACTIVE), 2}, {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_ACTIVE), 2}, }; static struct twl4030_script wrst_script __initdata = { .script = wrst_seq, .size = ARRAY_SIZE(wrst_seq), .flags = TWL4030_WRST_SCRIPT, }; static struct twl4030_script *twl4030_scripts[] __initdata = { /* wakeup12 script should be loaded before sleep script, otherwise a board might hit retention before loading of wakeup script is completed. This can cause boot failures depending on timing issues. */ &wakeup_script, &sleep_on_script, &wakeup_p3_script, &wrst_script, }; static struct twl4030_resconfig twl4030_rconfig[] __initdata = { { .resource = RES_VDD1, .devgroup = -1, .type = 1, .type2 = -1, .remap_off = RES_STATE_OFF, .remap_sleep = RES_STATE_OFF }, { .resource = RES_VDD2, .devgroup = -1, .type = 1, .type2 = -1, .remap_off = RES_STATE_OFF, .remap_sleep = RES_STATE_OFF }, { .resource = RES_VPLL1, .devgroup = -1, .type = 1, .type2 = -1, .remap_off = RES_STATE_OFF, .remap_sleep = RES_STATE_OFF }, { .resource = RES_VPLL2, .devgroup = -1, .type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VAUX1, .devgroup = -1, .type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VAUX2, .devgroup = -1, .type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VAUX3, .devgroup = -1, .type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VAUX4, .devgroup = -1, .type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VMMC1, .devgroup = -1, .type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VMMC2, .devgroup = -1, .type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VDAC, .devgroup = -1, .type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VSIM, .devgroup = -1, .type = -1, .type2 = 3, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VINTANA1, .devgroup = DEV_GRP_P1 | DEV_GRP_P3, .type = -1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VINTANA2, .devgroup = DEV_GRP_P1 | DEV_GRP_P3, .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VINTDIG, .devgroup = DEV_GRP_P1 | DEV_GRP_P3, .type = -1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_VIO, .devgroup = DEV_GRP_P3, .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_CLKEN, .devgroup = DEV_GRP_P1 | DEV_GRP_P3, .type = 1, .type2 = -1 , .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_REGEN, .devgroup = DEV_GRP_P1 | DEV_GRP_P3, .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_NRES_PWRON, .devgroup = DEV_GRP_P1 | DEV_GRP_P3, .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_SYSEN, .devgroup = DEV_GRP_P1 | DEV_GRP_P3, .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_HFCLKOUT, .devgroup = DEV_GRP_P3, .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_32KCLKOUT, .devgroup = -1, .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_RESET, .devgroup = -1, .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 }, { .resource = RES_Main_Ref, .devgroup = -1, .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1 }, { 0, 0}, }; static struct twl4030_power_data rx51_t2scripts_data __initdata = { .scripts = twl4030_scripts, .num = ARRAY_SIZE(twl4030_scripts), .resource_config = twl4030_rconfig, }; static struct twl4030_platform_data rx51_twldata __initdata = { .irq_base = TWL4030_IRQ_BASE, .irq_end = TWL4030_IRQ_END, /* platform_data for children goes here */ .gpio = &rx51_gpio_data, .keypad = &rx51_kp_data, .madc = &rx51_madc_data, .usb = &rx51_usb_data, .power = &rx51_t2scripts_data, .vaux1 = &rx51_vaux1, .vaux2 = &rx51_vaux2, .vaux4 = &rx51_vaux4, .vmmc1 = &rx51_vmmc1, .vsim = &rx51_vsim, .vdac = &rx51_vdac, }; static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = { { I2C_BOARD_INFO("twl5030", 0x48), .flags = I2C_CLIENT_WAKE, .irq = INT_34XX_SYS_NIRQ, .platform_data = &rx51_twldata, }, }; static int __init rx51_i2c_init(void) { if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) || system_rev >= SYSTEM_REV_B_USES_VAUX3) rx51_twldata.vaux3 = &rx51_vaux3_mmc; else { rx51_twldata.vaux3 = &rx51_vaux3_cam; rx51_twldata.vmmc2 = &rx51_vmmc2; } omap_register_i2c_bus(1, 2200, rx51_peripherals_i2c_board_info_1, ARRAY_SIZE(rx51_peripherals_i2c_board_info_1)); omap_register_i2c_bus(2, 100, NULL, 0); omap_register_i2c_bus(3, 400, NULL, 0); return 0; } #if defined(CONFIG_MTD_ONENAND_OMAP2) || \ defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) static struct mtd_partition onenand_partitions[] = { { .name = "bootloader", .offset = 0, .size = 0x20000, .mask_flags = MTD_WRITEABLE, /* Force read-only */ }, { .name = "config", .offset = MTDPART_OFS_APPEND, .size = 0x60000, }, { .name = "log", .offset = MTDPART_OFS_APPEND, .size = 0x40000, }, { .name = "kernel", .offset = MTDPART_OFS_APPEND, .size = 0x200000, }, { .name = "initfs", .offset = MTDPART_OFS_APPEND, .size = 0x200000, }, { .name = "rootfs", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, }, }; static struct omap_onenand_platform_data board_onenand_data = { .cs = 0, .gpio_irq = 65, .parts = onenand_partitions, .nr_parts = ARRAY_SIZE(onenand_partitions), .flags = ONENAND_SYNC_READWRITE, }; static void __init board_onenand_init(void) { gpmc_onenand_init(&board_onenand_data); } #else static inline void board_onenand_init(void) { } #endif #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) static struct omap_smc91x_platform_data board_smc91x_data = { .cs = 1, .gpio_irq = 54, .gpio_pwrdwn = 86, .gpio_reset = 164, .flags = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_HIGHLEVEL, }; static void __init board_smc91x_init(void) { omap_mux_init_gpio(54, OMAP_PIN_INPUT_PULLDOWN); omap_mux_init_gpio(86, OMAP_PIN_OUTPUT); omap_mux_init_gpio(164, OMAP_PIN_OUTPUT); gpmc_smc91x_init(&board_smc91x_data); } #else static inline void board_smc91x_init(void) { } #endif static void rx51_wl1251_set_power(bool enable) { gpio_set_value(RX51_WL1251_POWER_GPIO, enable); } static void __init rx51_init_wl1251(void) { int irq, ret; ret = gpio_request(RX51_WL1251_POWER_GPIO, "wl1251 power"); if (ret < 0) goto error; ret = gpio_direction_output(RX51_WL1251_POWER_GPIO, 0); if (ret < 0) goto err_power; ret = gpio_request(RX51_WL1251_IRQ_GPIO, "wl1251 irq"); if (ret < 0) goto err_power; ret = gpio_direction_input(RX51_WL1251_IRQ_GPIO); if (ret < 0) goto err_irq; irq = gpio_to_irq(RX51_WL1251_IRQ_GPIO); if (irq < 0) goto err_irq; wl1251_pdata.set_power = rx51_wl1251_set_power; rx51_peripherals_spi_board_info[RX51_SPI_WL1251].irq = irq; return; err_irq: gpio_free(RX51_WL1251_IRQ_GPIO); err_power: gpio_free(RX51_WL1251_POWER_GPIO); error: printk(KERN_ERR "wl1251 board initialisation failed\n"); wl1251_pdata.set_power = NULL; /* * Now rx51_peripherals_spi_board_info[1].irq is zero and * set_power is null, and wl1251_probe() will fail. */ } void __init rx51_peripherals_init(void) { rx51_i2c_init(); board_onenand_init(); board_smc91x_init(); rx51_add_gpio_keys(); rx51_init_wl1251(); spi_register_board_info(rx51_peripherals_spi_board_info, ARRAY_SIZE(rx51_peripherals_spi_board_info)); }