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AM3352_ZCZ 的 rmii1_refclk 這個ping，我希望他不要傳送50mHz 給 switch PHY 應該要怎麼做呢? 謝謝。
我在boad file 裡看到這根定義
{"rmii1_refclk.rmii1_refclk", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLDOWN},
照理說應該只會接收從PHY給的50mHz，良訊號它怎麼還會傳送clock給PHY? 謝謝。
已解決，謝謝。 只要將gmii_sel 暫存器值變動即可
