[PATCH] arm64: zynqmp: Add Ethernet node for zcu1285 revA

Michal Simek michal.simek at xilinx.com
Thu Dec 17 17:06:49 CET 2020


From: Harini Katakam <harini.katakam at xilinx.com>

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 at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

 arch/arm/dts/zynqmp-zcu1285-revA.dts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm/dts/zynqmp-zcu1285-revA.dts b/arch/arm/dts/zynqmp-zcu1285-revA.dts
index f041df83dab4..21d62e993a33 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 at 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 at 0 {
-- 
2.29.2



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