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sh_eth: add RGMII support 

The R-Car V3H (AKA R8A77980) GEther controller  adds support for the RGMII
PHY interface mode as a new  value  for the RMII_MII register.

Based on the original (and large) patch by Vladimir Barinov.

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sergei Shtylyov 2018-05-18 21:30:18 +03:00 committed by David S. Miller
parent 62c8a069b5
commit 230c184679
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/renesas/sh_eth.c
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@ -466,6 +466,9 @@ static void sh_eth_select_mii(struct net_device *ndev)
u32 value;
switch (mdp->phy_interface) {
case PHY_INTERFACE_MODE_RGMII ... PHY_INTERFACE_MODE_RGMII_TXID:
value = 0x3;
break;
case PHY_INTERFACE_MODE_GMII:
value = 0x2;
break;