diff --git a/arch/powerpc/dts/p2020-post.dtsi b/arch/powerpc/dts/p2020-post.dtsi
index dd878bf..e0f1f99 100644
--- a/arch/powerpc/dts/p2020-post.dtsi
+++ b/arch/powerpc/dts/p2020-post.dtsi
@@ -74,6 +74,7 @@
 /include/ "pq3-etsec1-1.dtsi"
 /include/ "pq3-etsec1-2.dtsi"
 
+/include/ "pq3-sec3.1-0.dtsi"
 /include/ "pq3-mpic.dtsi"
 /include/ "pq3-mpic-timer-B.dtsi"
 };
diff --git a/arch/powerpc/dts/pq3-sec3.1-0.dtsi b/arch/powerpc/dts/pq3-sec3.1-0.dtsi
new file mode 100644
index 0000000..8f0a566
--- /dev/null
+++ b/arch/powerpc/dts/pq3-sec3.1-0.dtsi
@@ -0,0 +1,45 @@
+/*
+ * PQ3 Sec/Crypto 3.1 device tree stub [ controller @ offset 0x30000 ]
+ *
+ * Copyright 2011 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Freescale Semiconductor nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+crypto@30000 {
+	compatible = "fsl,sec3.1", "fsl,sec3.0",
+		     "fsl,sec2.4", "fsl,sec2.2", "fsl,sec2.1",
+		     "fsl,sec2.0";
+	reg = <0x30000 0x10000>;
+	interrupts = <45 2 0 0 58 2 0 0>;
+	fsl,num-channels = <4>;
+	fsl,channel-fifo-len = <24>;
+	fsl,exec-units-mask = <0xbfe>;
+	fsl,descriptor-types-mask = <0x3ab0ebf>;
+};