arm64: zynqmp: Add ethernet node for zcu1275 revB

This patch add ethernet node gem1 to zcu1275 RevB.
GMII to RGMII converter sits between MAC and external
phy connected over GMII to MAC and RGMMI to external phy.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/arch/arm/dts/zynqmp-zcu1275-revB.dts b/arch/arm/dts/zynqmp-zcu1275-revB.dts
index b612215f40e7315f3f9e4ac15e8c97db7759a1c1..1de890c30f64a90f6e8e4c2a5484cb69b4c8368d 100644 (file)
--- a/arch/arm/dts/zynqmp-zcu1275-revB.dts
+++ b/arch/arm/dts/zynqmp-zcu1275-revB.dts
@@ -23,6 +23,7 @@
                serial1 = &dcc;
                spi0 = &qspi;
                mmc0 = &sdhci1;
+               ethernet0 = &gem1;
        };
 
        chosen {
@@ -40,6 +41,29 @@
        status = "okay";
 };
 
+&gem1 {
+       status = "okay";
+       mdio {
+               #address-cells = <1>;
+               #size-cells = <0>;
+               phy1: ethernet-phy@1 {
+                       reg = <1>; /* KSZ9031RNXIC on AES-FMC-NETW1-G */
+                       rxc-skew-ps = <1800>; /* Skew control of RX_CLK pad output */
+                       txc-skew-ps = <1800>; /* Skew control of GTX_CLK pad input */
+                       txen-skew-ps = <900>; /* Skew control of TX_CTL pad input */
+                       rxdv-skew-ps = <0>; /* Skew control of RX_CTL pad output */
+                       rxd0-skew-ps = <0>; /* Skew control of RXD0 pad output */
+                       rxd1-skew-ps = <0>; /* Skew control of RXD1 pad output */
+                       rxd2-skew-ps = <0>; /* Skew control of RXD2 pad output */
+                       rxd3-skew-ps = <0>; /* Skew control of RXD3 pad output */
+                       txd0-skew-ps = <900>; /* Skew control of TXD0 pad input */
+                       txd1-skew-ps = <900>; /* Skew control of TXD1 pad input */
+                       txd2-skew-ps = <900>; /* Skew control of TXD2 pad input */
+                       txd3-skew-ps = <900>; /* Skew control of TXD3 pad input */
+               };
+       };
+};
+
 &qspi {
        status = "okay";
        flash@0 {