netdev - [PATCH 1/3] sh_eth: add RGMII support

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Date:   Wed, 16 May 2018 22:56:45 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>
Cc:     linux-renesas-soc@...r.kernel.org
Subject: [PATCH 1/3] 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@...entembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>

---
 drivers/net/ethernet/renesas/sh_eth.c |    3 +++
 1 file changed, 3 insertions(+)

Index: net-next/drivers/net/ethernet/renesas/sh_eth.c
===================================================================
--- net-next.orig/drivers/net/ethernet/renesas/sh_eth.c
+++ net-next/drivers/net/ethernet/renesas/sh_eth.c
@@ -466,6 +466,9 @@ static void sh_eth_select_mii(struct net
 	u32 value;

 	switch (mdp->phy_interface) {
+	case PHY_INTERFACE_MODE_RGMII:
+		value = 0x3;
+		break;
 	case PHY_INTERFACE_MODE_GMII:
 		value = 0x2;
 		break;