#endif
#include <linux/i2c.h>
#include <linux/i2c/adp5588.h>
+#include <linux/etherdevice.h>
#include <linux/ata_platform.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <asm/reboot.h>
#include <asm/portmux.h>
#include <asm/dpmc.h>
+#ifdef CONFIG_REGULATOR_ADP_SWITCH
+#include <linux/regulator/adp_switch.h>
+#endif
+#ifdef CONFIG_REGULATOR_AD5398
+#include <linux/regulator/ad5398.h>
+#endif
+#include <linux/regulator/consumer.h>
+#include <linux/regulator/userspace-consumer.h>
/*
* Name the Board for the /proc/cpuinfo
.width = 2,
.parts = stamp_partitions,
.nr_parts = ARRAY_SIZE(stamp_partitions),
+#ifdef CONFIG_ROMKERNEL
+ .probe_type = "map_rom",
+#endif
};
static struct resource stamp_flash_resource = {
};
#endif
-#if defined(CONFIG_SND_BF5XX_SOC_AD1836) \
- || defined(CONFIG_SND_BF5XX_SOC_AD1836_MODULE)
+#if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
+ || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
.enable_dma = 0,
.bits_per_word = 16,
};
#endif
-#if defined(CONFIG_SND_BF5XX_SOC_AD1938) \
- || defined(CONFIG_SND_BF5XX_SOC_AD1938_MODULE)
+#if defined(CONFIG_SND_BF5XX_SOC_AD193X) \
+ || defined(CONFIG_SND_BF5XX_SOC_AD193X_MODULE)
static struct bfin5xx_spi_chip ad1938_spi_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
+#if defined(CONFIG_AD2S90) || defined(CONFIG_AD2S90_MODULE)
+static struct bfin5xx_spi_chip ad2s90_spi_chip_info = {
+ .enable_dma = 0,
+ .bits_per_word = 16,
+};
+#endif
+
+#if defined(CONFIG_AD2S120X) || defined(CONFIG_AD2S120X_MODULE)
+unsigned short ad2s120x_platform_data[] = {
+ /* used as SAMPLE and RDVEL */
+ GPIO_PF5, GPIO_PF6, 0
+};
+
+static struct bfin5xx_spi_chip ad2s120x_spi_chip_info = {
+ .enable_dma = 0,
+ .bits_per_word = 16,
+};
+#endif
+
+#if defined(CONFIG_AD2S1210) || defined(CONFIG_AD2S1210_MODULE)
+unsigned short ad2s1210_platform_data[] = {
+ /* use as SAMPLE, A0, A1 */
+ GPIO_PF7, GPIO_PF8, GPIO_PF9,
+# if defined(CONFIG_AD2S1210_GPIO_INPUT) || defined(CONFIG_AD2S1210_GPIO_OUTPUT)
+ /* the RES0 and RES1 pins */
+ GPIO_PF4, GPIO_PF5,
+# endif
+ 0,
+};
+
+static struct bfin5xx_spi_chip ad2s1210_spi_chip_info = {
+ .enable_dma = 0,
+ .bits_per_word = 8,
+};
+#endif
+
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
#define MMC_SPI_CARD_DETECT_INT IRQ_PF5
.y_plate_ohms = 486,
.pressure_max = 1000,
.pressure_min = 0,
- .stopacq_polarity = 1,
- .first_conversion_delay = 3,
- .acquisition_time = 1,
- .averaging = 1,
- .pen_down_acc_interval = 1,
+ .stopacq_polarity = 1,
+ .first_conversion_delay = 3,
+ .acquisition_time = 1,
+ .averaging = 1,
+ .pen_down_acc_interval = 1,
};
#endif
.x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */
.pressure_max = 10000,
.pressure_min = 0,
- .first_conversion_delay = 3, /* wait 512us before do a first conversion */
- .acquisition_time = 1, /* 4us acquisition time per sample */
+ .first_conversion_delay = 3, /* wait 512us before do a first conversion */
+ .acquisition_time = 1, /* 4us acquisition time per sample */
.median = 2, /* do 8 measurements */
- .averaging = 1, /* take the average of 4 middle samples */
- .pen_down_acc_interval = 255, /* 9.4 ms */
+ .averaging = 1, /* take the average of 4 middle samples */
+ .pen_down_acc_interval = 255, /* 9.4 ms */
.gpio_export = 1, /* Export GPIO to gpiolib */
.gpio_base = -1, /* Dynamic allocation */
};
/* .ev_code_act_inactivity = KEY_A,*/ /* EV_KEY */
.power_mode = ADXL_AUTO_SLEEP | ADXL_LINK,
.fifo_mode = ADXL_FIFO_STREAM,
+ .orientation_enable = ADXL_EN_ORIENTATION_3D,
+ .deadzone_angle = ADXL_DEADZONE_ANGLE_10p8,
+ .divisor_length = ADXL_LP_FILTER_DIVISOR_16,
+ /* EV_KEY {+Z, +Y, +X, -X, -Y, -Z} */
+ .ev_codes_orient_3d = {BTN_Z, BTN_Y, BTN_X, BTN_A, BTN_B, BTN_C},
};
#endif
.adf702x_regs = adf7021_regs,
.tx_reg = TXREG,
};
+static inline void adf702x_mac_init(void)
+{
+ random_ether_addr(adf7021_platform_data.mac_addr);
+}
+#else
+static inline void adf702x_mac_init(void) {}
+#endif
+
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+#include <linux/spi/ads7846.h>
+static struct bfin5xx_spi_chip ad7873_spi_chip_info = {
+ .bits_per_word = 8,
+};
+
+static int ads7873_get_pendown_state(void)
+{
+ return gpio_get_value(GPIO_PF6);
+}
+
+static struct ads7846_platform_data __initdata ad7873_pdata = {
+ .model = 7873, /* AD7873 */
+ .x_max = 0xfff,
+ .y_max = 0xfff,
+ .x_plate_ohms = 620,
+ .debounce_max = 1,
+ .debounce_rep = 0,
+ .debounce_tol = (~0),
+ .get_pendown_state = ads7873_get_pendown_state,
+};
#endif
#if defined(CONFIG_MTD_DATAFLASH) \
},
#endif
-#if defined(CONFIG_SND_BF5XX_SOC_AD1836) \
- || defined(CONFIG_SND_BF5XX_SOC_AD1836_MODULE)
+#if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
+ || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
{
- .modalias = "ad1836",
+ .modalias = "ad183x",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 4,/* CONFIG_SND_BLACKFIN_SPI_PFBIT */
+ .platform_data = "ad1836", /* only includes chip name for the moment */
.controller_data = &ad1836_spi_chip_info,
.mode = SPI_MODE_3,
},
#endif
-#if defined(CONFIG_SND_BF5XX_SOC_AD1938) || defined(CONFIG_SND_BF5XX_SOC_AD1938_MODULE)
+#if defined(CONFIG_SND_BF5XX_SOC_AD193X) || defined(CONFIG_SND_BF5XX_SOC_AD193X_MODULE)
{
- .modalias = "ad1938",
+ .modalias = "ad193x",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 5,
},
#endif
+#if defined(CONFIG_AD2S90) || defined(CONFIG_AD2S90_MODULE)
+ {
+ .modalias = "ad2s90",
+ .bus_num = 0,
+ .chip_select = 3, /* change it for your board */
+ .platform_data = NULL,
+ .controller_data = &ad2s90_spi_chip_info,
+ },
+#endif
+
+#if defined(CONFIG_AD2S120X) || defined(CONFIG_AD2S120X_MODULE)
+ {
+ .modalias = "ad2s120x",
+ .bus_num = 0,
+ .chip_select = 4, /* CS, change it for your board */
+ .platform_data = ad2s120x_platform_data,
+ .controller_data = &ad2s120x_spi_chip_info,
+ },
+#endif
+
+#if defined(CONFIG_AD2S1210) || defined(CONFIG_AD2S1210_MODULE)
+ {
+ .modalias = "ad2s1210",
+ .max_speed_hz = 8192000,
+ .bus_num = 0,
+ .chip_select = 4, /* CS, change it for your board */
+ .platform_data = ad2s1210_platform_data,
+ .controller_data = &ad2s1210_spi_chip_info,
+ },
+#endif
+
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
{
.modalias = "mmc_spi",
.mode = SPI_MODE_0,
},
#endif
-
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+ {
+ .modalias = "ads7846",
+ .max_speed_hz = 2000000, /* max spi clock (SCK) speed in HZ */
+ .bus_num = 0,
+ .irq = IRQ_PF6,
+ .chip_select = GPIO_PF10 + MAX_CTRL_CS, /* GPIO controlled SSEL */
+ .controller_data = &ad7873_spi_chip_info,
+ .platform_data = &ad7873_pdata,
+ .mode = SPI_MODE_0,
+ },
+#endif
};
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
};
#endif
+#if defined(CONFIG_BACKLIGHT_ADP8860) || defined(CONFIG_BACKLIGHT_ADP8860_MODULE)
+#include <linux/i2c/adp8860.h>
+static struct led_info adp8860_leds[] = {
+ {
+ .name = "adp8860-led7",
+ .default_trigger = "none",
+ .flags = ADP8860_LED_D7 | ADP8860_LED_OFFT_600ms,
+ },
+};
+
+static struct adp8860_backlight_platform_data adp8860_pdata = {
+ .bl_led_assign = ADP8860_BL_D1 | ADP8860_BL_D2 | ADP8860_BL_D3 |
+ ADP8860_BL_D4 | ADP8860_BL_D5 | ADP8860_BL_D6, /* 1 = Backlight 0 = Individual LED */
+
+ .bl_fade_in = ADP8860_FADE_T_1200ms, /* Backlight Fade-In Timer */
+ .bl_fade_out = ADP8860_FADE_T_1200ms, /* Backlight Fade-Out Timer */
+ .bl_fade_law = ADP8860_FADE_LAW_CUBIC1, /* fade-on/fade-off transfer characteristic */
+
+ .en_ambl_sens = 1, /* 1 = enable ambient light sensor */
+ .abml_filt = ADP8860_BL_AMBL_FILT_320ms, /* Light sensor filter time */
+
+ .l1_daylight_max = ADP8860_BL_CUR_mA(20), /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+ .l1_daylight_dim = ADP8860_BL_CUR_mA(0), /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+ .l2_office_max = ADP8860_BL_CUR_mA(6), /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+ .l2_office_dim = ADP8860_BL_CUR_mA(0), /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+ .l3_dark_max = ADP8860_BL_CUR_mA(2), /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+ .l3_dark_dim = ADP8860_BL_CUR_mA(0), /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+
+ .l2_trip = ADP8860_L2_COMP_CURR_uA(710), /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
+ .l2_hyst = ADP8860_L2_COMP_CURR_uA(73), /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
+ .l3_trip = ADP8860_L3_COMP_CURR_uA(43), /* use L3_COMP_CURR_uA(I) 0 <= I <= 138 uA */
+ .l3_hyst = ADP8860_L3_COMP_CURR_uA(11), /* use L3_COMP_CURR_uA(I) 0 <= I <= 138 uA */
+
+ .leds = adp8860_leds,
+ .num_leds = ARRAY_SIZE(adp8860_leds),
+ .led_fade_law = ADP8860_FADE_LAW_SQUARE, /* fade-on/fade-off transfer characteristic */
+ .led_fade_in = ADP8860_FADE_T_600ms,
+ .led_fade_out = ADP8860_FADE_T_600ms,
+ .led_on_time = ADP8860_LED_ONT_200ms,
+};
+#endif
+
+#if defined(CONFIG_REGULATOR_AD5398) || defined(CONFIG_REGULATOR_AD5398_MODULE)
+static struct regulator_consumer_supply ad5398_consumer = {
+ .supply = "current",
+};
+
+static struct regulator_init_data ad5398_regulator_data = {
+ .constraints = {
+ .name = "current range",
+ .max_uA = 120000,
+ .valid_ops_mask = REGULATOR_CHANGE_CURRENT | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &ad5398_consumer,
+};
+
+static struct ad5398_platform_data ad5398_i2c_platform_data = {
+ .current_bits = 10,
+ .current_offset = 4,
+ .regulator_data = &ad5398_regulator_data,
+};
+
+#if defined(CONFIG_REGULATOR_VIRTUAL_CONSUMER) || \
+ defined(CONFIG_REGULATOR_VIRTUAL_CONSUMER_MODULE)
+static struct platform_device ad5398_virt_consumer_device = {
+ .name = "reg-virt-consumer",
+ .id = 0,
+ .dev = {
+ .platform_data = "current", /* Passed to driver */
+ },
+};
+#endif
+#if defined(CONFIG_REGULATOR_USERSPACE_CONSUMER) || \
+ defined(CONFIG_REGULATOR_USERSPACE_CONSUMER_MODULE)
+static struct regulator_bulk_data ad5398_bulk_data = {
+ .supply = "current",
+};
+
+static struct regulator_userspace_consumer_data ad5398_userspace_comsumer_data = {
+ .name = "ad5398",
+ .num_supplies = 1,
+ .supplies = &ad5398_bulk_data,
+};
+
+static struct platform_device ad5398_userspace_consumer_device = {
+ .name = "reg-userspace-consumer",
+ .id = 0,
+ .dev = {
+ .platform_data = &ad5398_userspace_comsumer_data,
+ },
+};
+#endif
+#endif
+
static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
#if defined(CONFIG_INPUT_AD714X_I2C) || defined(CONFIG_INPUT_AD714X_I2C_MODULE)
{
.platform_data = (void *)&ad7142_i2c_platform_data,
},
#endif
+
+#if defined(CONFIG_AD7150) || defined(CONFIG_AD7150_MODULE)
+ {
+ I2C_BOARD_INFO("ad7150", 0x48),
+ .irq = IRQ_PG5, /* fixme: use real interrupt number */
+ },
+#endif
+
+#if defined(CONFIG_AD7152) || defined(CONFIG_AD7152_MODULE)
+ {
+ I2C_BOARD_INFO("ad7152", 0x48),
+ },
+#endif
+
+#if defined(CONFIG_AD774X) || defined(CONFIG_AD774X_MODULE)
+ {
+ I2C_BOARD_INFO("ad774x", 0x48),
+ },
+#endif
+
+#if defined(CONFIG_AD7414) || defined(CONFIG_AD7414_MODULE)
+ {
+ I2C_BOARD_INFO("ad7414", 0x9),
+ .irq = IRQ_PG5,
+ /*
+ * platform_data pointer is borrwoed by the driver to
+ * store custimer defined IRQ ALART level mode.
+ * only IRQF_TRIGGER_HIGH and IRQF_TRIGGER_LOW are valid.
+ */
+ .platform_data = (void *)IRQF_TRIGGER_LOW,
+ },
+#endif
+
+#if defined(CONFIG_AD7416) || defined(CONFIG_AD7416_MODULE)
+ {
+ I2C_BOARD_INFO("ad7417", 0xb),
+ .irq = IRQ_PG5,
+ /*
+ * platform_data pointer is borrwoed by the driver to
+ * store custimer defined IRQ ALART level mode.
+ * only IRQF_TRIGGER_HIGH and IRQF_TRIGGER_LOW are valid.
+ */
+ .platform_data = (void *)IRQF_TRIGGER_LOW,
+ },
+#endif
+
#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
{
I2C_BOARD_INFO("pcf8574_lcd", 0x22),
I2C_BOARD_INFO("adau1761", 0x38),
},
#endif
+#if defined(CONFIG_SND_SOC_ADAU1361) || defined(CONFIG_SND_SOC_ADAU1361_MODULE)
+ {
+ I2C_BOARD_INFO("adau1361", 0x38),
+ },
+#endif
#if defined(CONFIG_AD525X_DPOT) || defined(CONFIG_AD525X_DPOT_MODULE)
{
I2C_BOARD_INFO("ad5258", 0x18),
I2C_BOARD_INFO("ssm2602", 0x1b),
},
#endif
+#if defined(CONFIG_REGULATOR_AD5398) || defined(CONFIG_REGULATOR_AD5398_MODULE)
+ {
+ I2C_BOARD_INFO("ad5398", 0xC),
+ .platform_data = (void *)&ad5398_i2c_platform_data,
+ },
+#endif
+#if defined(CONFIG_BACKLIGHT_ADP8860) || defined(CONFIG_BACKLIGHT_ADP8860_MODULE)
+ {
+ I2C_BOARD_INFO("adp8860", 0x2A),
+ .platform_data = (void *)&adp8860_pdata,
+ },
+#endif
};
#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
},
};
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+static struct platform_device bfin_i2s = {
+ .name = "bfin-i2s",
+ .id = CONFIG_SND_BF5XX_SPORT_NUM,
+ /* TODO: add platform data here */
+};
+#endif
+
#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
static struct platform_device bfin_tdm = {
.name = "bfin-tdm",
+ .id = CONFIG_SND_BF5XX_SPORT_NUM,
+ /* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+static struct platform_device bfin_ac97 = {
+ .name = "bfin-ac97",
+ .id = CONFIG_SND_BF5XX_SPORT_NUM,
/* TODO: add platform data here */
};
#endif
+#if defined(CONFIG_REGULATOR_ADP_SWITCH) || defined(CONFIG_REGULATOR_ADP_SWITCH_MODULE)
+#define REGULATOR_ADP122 "adp122"
+#define REGULATOR_ADP150 "adp150"
+
+static struct regulator_consumer_supply adp122_consumers = {
+ .supply = REGULATOR_ADP122,
+};
+
+static struct regulator_consumer_supply adp150_consumers = {
+ .supply = REGULATOR_ADP150,
+};
+
+static struct regulator_init_data adp_switch_regulator_data[] = {
+ {
+ .constraints = {
+ .name = REGULATOR_ADP122,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ .min_uA = 0,
+ .max_uA = 300000,
+ },
+ .num_consumer_supplies = 1, /* only 1 */
+ .consumer_supplies = &adp122_consumers,
+ .driver_data = (void *)GPIO_PF2, /* gpio port only */
+ },
+ {
+ .constraints = {
+ .name = REGULATOR_ADP150,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ .min_uA = 0,
+ .max_uA = 150000,
+ },
+ .num_consumer_supplies = 1, /* only 1 */
+ .consumer_supplies = &adp150_consumers,
+ .driver_data = (void *)GPIO_PF3, /* gpio port only */
+ },
+};
+
+static struct adp_switch_platform_data adp_switch_pdata = {
+ .regulator_num = ARRAY_SIZE(adp_switch_regulator_data),
+ .regulator_data = adp_switch_regulator_data,
+};
+
+static struct platform_device adp_switch_device = {
+ .name = "adp_switch",
+ .id = 0,
+ .dev = {
+ .platform_data = &adp_switch_pdata,
+ },
+};
+
+#if defined(CONFIG_REGULATOR_USERSPACE_CONSUMER) || \
+ defined(CONFIG_REGULATOR_USERSPACE_CONSUMER_MODULE)
+static struct regulator_bulk_data adp122_bulk_data = {
+ .supply = REGULATOR_ADP122,
+};
+
+static struct regulator_userspace_consumer_data adp122_userspace_comsumer_data = {
+ .name = REGULATOR_ADP122,
+ .num_supplies = 1,
+ .supplies = &adp122_bulk_data,
+};
+
+static struct platform_device adp122_userspace_consumer_device = {
+ .name = "reg-userspace-consumer",
+ .id = 0,
+ .dev = {
+ .platform_data = &adp122_userspace_comsumer_data,
+ },
+};
+
+static struct regulator_bulk_data adp150_bulk_data = {
+ .supply = REGULATOR_ADP150,
+};
+
+static struct regulator_userspace_consumer_data adp150_userspace_comsumer_data = {
+ .name = REGULATOR_ADP150,
+ .num_supplies = 1,
+ .supplies = &adp150_bulk_data,
+};
+
+static struct platform_device adp150_userspace_consumer_device = {
+ .name = "reg-userspace-consumer",
+ .id = 1,
+ .dev = {
+ .platform_data = &adp150_userspace_comsumer_data,
+ },
+};
+#endif
+#endif
+
+
static struct platform_device *stamp_devices[] __initdata = {
&bfin_dpmc,
&stamp_flash_device,
#endif
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+ &bfin_i2s,
+#endif
+
#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
&bfin_tdm,
#endif
+
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+ &bfin_ac97,
+#endif
+#if defined(CONFIG_REGULATOR_AD5398) || defined(CONFIG_REGULATOR_AD5398_MODULE)
+#if defined(CONFIG_REGULATOR_VIRTUAL_CONSUMER) || \
+ defined(CONFIG_REGULATOR_VIRTUAL_CONSUMER_MODULE)
+ &ad5398_virt_consumer_device,
+#endif
+#if defined(CONFIG_REGULATOR_USERSPACE_CONSUMER) || \
+ defined(CONFIG_REGULATOR_USERSPACE_CONSUMER_MODULE)
+ &ad5398_userspace_consumer_device,
+#endif
+#endif
+
+#if defined(CONFIG_REGULATOR_ADP_SWITCH) || defined(CONFIG_REGULATOR_ADP_SWITCH_MODULE)
+ &adp_switch_device,
+#if defined(CONFIG_REGULATOR_USERSPACE_CONSUMER) || \
+ defined(CONFIG_REGULATOR_USERSPACE_CONSUMER_MODULE)
+ &adp122_userspace_consumer_device,
+ &adp150_userspace_consumer_device,
+#endif
+#endif
};
static int __init stamp_init(void)
{
printk(KERN_INFO "%s(): registering device resources\n", __func__);
bfin_plat_nand_init();
+ adf702x_mac_init();
platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
i2c_register_board_info(0, bfin_i2c_board_info,
ARRAY_SIZE(bfin_i2c_board_info));