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我了解AM3517的GPIO144--GPIO147可以工作在定时器的PWM输出模式，我现在想实现一个简单的PWM波形输出，这方面有人做过吗，能否提供一个例程，谢谢！
通过操作寄存器来实现PWM波形输出有人做过吗？
github.com/.../omap3-pwm
这个是omap3上pwm的开源相关的驱动,你可以参考.移植到AM3517
