net-next: stmmac: mediatek: add more support for RMII

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MT2712 SoC can provide the rmii reference clock, and the clock
will output from TXC pin only, which means ref_clk pin of external
PHY should connect to TXC pin in this case.
Add corresponding clock and timing settings.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Biao Huang 2019-12-16 13:39:57 +08:00 • committed by David S. Miller

parent 4e133f76c1

commit 71a55a2315

1 changed files with 60 additions and 29 deletions

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89

drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c

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