On Sun, Sep 29, 2013 at 06:23:39AM +0000, Duan Fugang-B38611 wrote: > Shawn, for RGMII mode, RGMII tx_clk cannot get external clock via GPIO_16, only by ENET_REF_CLK PAD. > For RMII mode, enet refrenece clock can get external clock via GPIO_16 and RGMII_TX_CTL PADs. Yes, that's my understanding too. Please review the following message to see if everything stands correct there. http://thread.gmane.org/gmane.linux.drivers.devicetree/46115/focus=269646 Shawn -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html