arm64: dts: freescale: add Kontron sl28 support

Add device tree files for the Kontron SMARC-sAL28 board and its
carriers.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts
new file mode 100644
index 000000000000..f659e89face8
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Device Tree file for the Kontron SMARC-sAL28 board.
+ *
+ * This is for the network variant 4 which has two ethernet ports. It
+ * extends the base and provides one more port connected via RGMII.
+ *
+ * Copyright (C) 2019 Michael Walle <michael@walle.cc>
+ *
+ */
+
+/dts-v1/;
+#include "fsl-ls1028a-kontron-sl28.dts"
+#include <dt-bindings/net/qca-ar803x.h>
+
+/ {
+	model = "Kontron SMARC-sAL28 (Dual PHY)";
+	compatible = "kontron,sl28-var4", "kontron,sl28", "fsl,ls1028a";
+};
+
+&enetc_port1 {
+	phy-handle = <&phy1>;
+	phy-connection-type = "rgmii-id";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy1: ethernet-phy@4 {
+			reg = <0x4>;
+			eee-broken-1000t;
+			eee-broken-100tx;
+
+			qca,clk-out-frequency = <125000000>;
+			qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
+
+			vddio-supply = <&vddh>;
+
+			vddio: vddio-regulator {
+				regulator-name = "VDDIO";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+
+			vddh: vddh-regulator {
+				regulator-name = "VDDH";
+			};
+		};
+	};
+};