powerpc: dts: add QorIQ DPAA 1 FMan device tree nodes

Add the QorIQ DPAA Frame Manager device tree nodes description.
The device tree fragments are copied over with little modification
from the Linux kernel source code.

Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/arch/powerpc/dts/qoriq-fman-0-1g-0.dtsi b/arch/powerpc/dts/qoriq-fman-0-1g-0.dtsi
new file mode 100644
index 0000000..0acc172
--- /dev/null
+++ b/arch/powerpc/dts/qoriq-fman-0-1g-0.dtsi
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * QorIQ FMan 1g port #0 device tree stub [ controller @ offset 0x400000 ]
+ *
+ * Copyright 2011 - 2015 Freescale Semiconductor Inc.
+ * Copyright 2020 NXP
+ *
+ */
+
+fman@400000 {
+	fman0_rx_0x08: port@88000 {
+		cell-index = <0x8>;
+		compatible = "fsl,fman-v2-port-rx";
+		reg = <0x88000 0x1000>;
+	};
+
+	fman0_tx_0x28: port@a8000 {
+		cell-index = <0x28>;
+		compatible = "fsl,fman-v2-port-tx";
+		reg = <0xa8000 0x1000>;
+	};
+
+	ethernet@e0000 {
+		cell-index = <0>;
+		compatible = "fsl,fman-dtsec";
+		reg = <0xe0000 0x1000>;
+		fsl,fman-ports = <&fman0_rx_0x08 &fman0_tx_0x28>;
+		tbi-handle = <&tbi0>;
+		ptp-timer = <&ptp_timer0>;
+	};
+
+	mdio0: mdio@e1120 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "fsl,fman-mdio";
+		reg = <0xe1120 0xee0>;
+		interrupts = <100 2 0 0>;
+
+		tbi0: tbi-phy@8 {
+			reg = <0x8>;
+			device_type = "tbi-phy";
+		};
+	};
+};