mpc85xx, dts, socrates: add u-boot specific dtsi

add u-boot specific dtsi file for socrates board.

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/arch/powerpc/dts/socrates-u-boot.dtsi b/arch/powerpc/dts/socrates-u-boot.dtsi
new file mode 100644
index 0000000..14a7c24
--- /dev/null
+++ b/arch/powerpc/dts/socrates-u-boot.dtsi
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de
+ */
+/ {
+	binman {
+		filename = "u-boot-socrates.bin";
+		pad-byte = <0xff>;
+		// Place dtb one sector before u-boot-nodtb.bin
+		blob {
+			filename = "dts/dt.dtb";
+		};
+		u-boot-nodtb {
+			filename = "u-boot-nodtb.bin";
+			offset = <0x20000>;
+		};
+	};
+
+	chosen {
+		stdout-path = &serial0;
+	};
+
+	soc8544@e0000000 {
+		i2c@3000 {
+			u-boot,dm-pre-reloc;
+		};
+	};
+};
+
+&pci0 {
+	clock-frequency = <33000000>;
+	ranges = <0x02000000 0x0 0x80000000 0x80000000 0x0 0x20000000
+		  0x01000000 0x0 0xe2000000 0xe2000000 0x0 0x01000000>;
+};
+
+&serial0 {
+	u-boot,dm-pre-reloc;
+	clock-frequency = <333333330>;
+};
diff --git a/board/socrates/MAINTAINERS b/board/socrates/MAINTAINERS
index c5607fc..2b27a73 100644
--- a/board/socrates/MAINTAINERS
+++ b/board/socrates/MAINTAINERS
@@ -5,3 +5,4 @@
 F:	include/configs/socrates.h
 F:	configs/socrates_defconfig
 F:	arch/powerpc/dts/socrates.dts
+F:	arch/powerpc/dts/socrates-u-boot.dtsi