powerpc: dts: t1042: add QorIQ DPAA 1 FMan v3 nodes

Add the QorIQ DPAA 1 FMan v3 device tree nodes for the T1042 SoC.
The device tree nodes are copied over with little modification
from the Linux kernel source code.

Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/arch/powerpc/dts/t1042si-post.dtsi b/arch/powerpc/dts/t1042si-post.dtsi
new file mode 100644
index 0000000..5c60944
--- /dev/null
+++ b/arch/powerpc/dts/t1042si-post.dtsi
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * T1042 Silicon/SoC Device Tree Source (post include)
+ *
+ * Copyright 2013 - 2014 Freescale Semiconductor Inc.
+ * Copyright 2021 NXP
+ *
+ */
+&soc {
+/include/ "qoriq-clockgen2.dtsi"
+/include/ "qoriq-gpio-0.dtsi"
+/include/ "qoriq-gpio-1.dtsi"
+/include/ "qoriq-gpio-2.dtsi"
+/include/ "qoriq-gpio-3.dtsi"
+
+/include/ "qoriq-fman3l-0.dtsi"
+/include/ "qoriq-fman3-0-1g-0.dtsi"
+/include/ "qoriq-fman3-0-1g-1.dtsi"
+/include/ "qoriq-fman3-0-1g-2.dtsi"
+/include/ "qoriq-fman3-0-1g-3.dtsi"
+/include/ "qoriq-fman3-0-1g-4.dtsi"
+	fman@400000 {
+		enet0: ethernet@e0000 {
+		};
+
+		enet1: ethernet@e2000 {
+		};
+
+		enet2: ethernet@e4000 {
+		};
+
+		enet3: ethernet@e6000 {
+		};
+
+		enet4: ethernet@e8000 {
+		};
+
+		mdio@fc000 {
+			interrupts = <100 1 0 0>;
+		};
+
+		mdio@fd000 {
+			status = "disabled";
+		};
+	};
+};