[POWERPC] 4xx: Add RGMII support for Sequoia 440EPx

This adds RGMII support to Sequoia DTS and sets correct phy-mode
for EMACs. According to Sequoia datasheet, both ethernet ports
are connected to RGMII interface, while ZMII is used only for MDIO.

Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

2 files changed, 13 insertions, 2 deletions

diff --git a/arch/powerpc/boot/dts/sequoia.dts b/arch/powerpc/boot/dts/sequoia.dts
index 36be75b04de1..8833dfe2e8b4 100644
--- a/arch/powerpc/boot/dts/sequoia.dts
+++ b/arch/powerpc/boot/dts/sequoia.dts
@@ -241,6 +241,12 @@
                                 reg = <ef600d00 c>;
                         };
 
+                        RGMII0: emac-rgmii@ef601000 {
+                                device_type = "rgmii-interface";
+                                compatible = "ibm,rgmii-440epx", "ibm,rgmii";
+                                reg = <ef601000 8>;
+                        };
+
                         EMAC0: ethernet@ef600e00 {
                                 linux,network-index = <0>;
                                 device_type = "network";
@@ -261,10 +267,12 @@
                                 max-frame-size = <5dc>;
                                 rx-fifo-size = <1000>;
                                 tx-fifo-size = <800>;
-                                phy-mode = "rmii";
+                                phy-mode = "rgmii";
                                 phy-map = <00000000>;
                                 zmii-device = <&ZMII0>;
                                 zmii-channel = <0>;
+                                rgmii-device = <&RGMII0>;
+                                rgmii-channel = <0>;
                         };
 
                         EMAC1: ethernet@ef600f00 {
@@ -287,10 +295,12 @@
                                 max-frame-size = <5dc>;
                                 rx-fifo-size = <1000>;
                                 tx-fifo-size = <800>;
-                                phy-mode = "rmii";
+                                phy-mode = "rgmii";
                                 phy-map = <00000000>;
                                 zmii-device = <&ZMII0>;
                                 zmii-channel = <1>;
+                                rgmii-device = <&RGMII0>;
+                                rgmii-channel = <1>;
                         };
                 };
         };
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 51f3ea40a285..49a4f0959298 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -50,6 +50,7 @@ config 440EPX
         select PPC_FPU
 # Disabled until the new EMAC Driver is merged.
 #       select IBM_NEW_EMAC_EMAC4
+#       select IBM_NEW_EMAC_RGMII
 #       select IBM_NEW_EMAC_ZMII
 
 config 440GP