tree 10e08184637cd8299cd99fae3c386810bd22459d
parent 55eb9c343fdd3611ae3de6ab8a8512f303d3f581
author Wenyou Yang <wenyou.yang@atmel.com> 1418283069 +0800
committer Nicolas Ferre <nicolas.ferre@atmel.com> 1421074223 +0100

ARM: at91: board-dt-sama5: add phy_fixup to override NAND_Tree

Appearance: On some SAMA5D4EK boards, after power up, the Eth1 doesn't work.

Reason: The PIOE2 pin is connected to the NAND_Tree# of KSZ8081,
But it outputs LOW during the reset period, which cause the NAND_Tree# enabled.

Add phy_fixup() to disable NAND_Tree by overriding the Operation
Mode Strap Override register(i.e. Register 16h) to clear the NAND_Tree bit.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>