[Blackfin] arch: add i2c board info struct and move to new-style i2c interface

Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index ecf449b3..32b37af 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -40,6 +40,7 @@
 #endif
 #include <linux/ata_platform.h>
 #include <linux/irq.h>
+#include <linux/i2c.h>
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/reboot.h>
@@ -474,6 +475,31 @@
 };
 #endif
 
+#ifdef CONFIG_I2C_BOARDINFO
+static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
+#if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
+	{
+		I2C_BOARD_INFO("ad7142_joystick", 0x2C),
+		.type = "ad7142_joystick",
+		.irq = 39,
+	},
+#endif
+#if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+	{
+		I2C_BOARD_INFO("pcf8574_lcd", 0x22),
+		.type = "pcf8574_lcd",
+	},
+#endif
+#if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
+	{
+		I2C_BOARD_INFO("pcf8574_keypad", 0x27),
+		.type = "pcf8574_keypad",
+		.irq = 39,
+	},
+#endif
+};
+#endif
+
 static struct platform_device *stamp_devices[] __initdata = {
 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 	&rtc_device,
@@ -528,6 +554,12 @@
 	int ret;
 
 	printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
+
+#ifdef CONFIG_I2C_BOARDINFO
+	i2c_register_board_info(0, bfin_i2c_board_info,
+				ARRAY_SIZE(bfin_i2c_board_info));
+#endif
+
 	ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 	if (ret < 0)
 		return ret;