Linux-2.6.33.2/arch/arm/mach-mx1/devices.h

extern struct platform_device imx_csi_device;
extern struct platform_device imx_i2c_device;
extern struct platform_device imx_uart1_device;
extern struct platform_device imx_uart2_device;
extern struct platform_device imx_rtc_device;
extern struct platform_device imx_wdt_device;
extern struct platform_device imx_usb_device;