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https://e2e.ti.com/support/processors-group/processors/f/processors-forum/625617/linux-am3352-gpmc-nand-flash-wpn
工具/软件：Linux
我们有许多产品采用 AM3352并使用256M2B NAND 闪存。
在所有设计中、GPMC WPN 线都有上拉电阻器、而从引脚复用开始、它处于模式7意味着处于 GPIO 中。
GPMC 控制器如何利用该引脚、以及在 MTD 上执行读写操作期间如何使用该引脚？
此致、
Rohit Khatri
