USB移植

开始移植USB 1.修改设备树文件 $ vim arch/arm/boot/dts/exynos4412-fs4412.dts 添加以下内容： usbphy: usbphy@125B0000 { #address-cells = <1>; #size-cells = <1>; compatible = “samsung,exynos4x12-usb2phy”; reg = <0x125B0000

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