From: Harini Katakam <harini.katakam@xilinx.com>
Date: Tue, 18 Feb 2020 08:50:18 +0000 (+0530)
Subject: arm64: zynqmp: Add Ethernet node for zcu1285 revA
X-Git-Tag: v2025.01-rc5-pxa1908~2072^2^2~9
X-Git-Url: http://git.dujemihanovic.xyz/%7B%7B%20%24style.Permalink%20%7D%7D?a=commitdiff_plain;h=0e3a7aa7a9cbf5764cae8ffbda09985c677d4476;p=u-boot.git

arm64: zynqmp: Add Ethernet node for zcu1285 revA

This patch add ethernet node gem1 to zcu1285 RevB.
GMII to RGMII converter sits between MAC and external
phy connected over GMII to MAC and RGMMI to external phy

Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/arch/arm/dts/zynqmp-zcu1285-revA.dts b/arch/arm/dts/zynqmp-zcu1285-revA.dts
index f041df83da..21d62e993a 100644
--- a/arch/arm/dts/zynqmp-zcu1285-revA.dts
+++ b/arch/arm/dts/zynqmp-zcu1285-revA.dts
@@ -23,6 +23,7 @@
 		serial1 = &dcc;
 		spi0 = &qspi;
 		mmc0 = &sdhci1;
+		ethernet0 = &gem1; /* EMIO */
 		i2c = &i2c0; /* EMIO */
 	};
 
@@ -222,6 +223,28 @@
 	};
 };
 
+&gem1 {
+	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 {