bonding/t1040d4rdb/dts: Add separate usdpaa dt for LAG

There are 4 Offline/Host Command Ports (O/H n) in t10xx platform.
This patch enables OP#2 for LAG use-cases and keep separate dt
for usdpaa scenarios for t1040d4rdb.

Change-Id: I1df879190f90f0cf7c25200cede9c4f52a7a552e
Suggested-by: Pan Jiafei <Jiafei.Pan@freescale.com>
Suggested-by: Madalin Bucur <madalin.bucur@freescale.com>
Suggested-by: Scott Wood <scottwood@freescale.com>
Reviewed-on: http://git.am.freescale.net:8181/35504
Reviewed-by: Pan Jiafei <Jiafei.Pan@freescale.com>

Signed-off-by: Jianhua Xie <jianhua.xie@freescale.com>
Change-Id: I99d54e16abe6b8bb27099f2096d4ccea69c0b6f5
Reviewed-on: http://git.am.freescale.net:8181/35652
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Honghua Yin <Hong-Hua.Yin@freescale.com>

1 files changed, 60 insertions, 0 deletions

diff --git a/arch/powerpc/boot/dts/t1040d4rdb-usdpaa-lag.dts b/arch/powerpc/boot/dts/t1040d4rdb-usdpaa-lag.dts
new file mode 100644
index 0000000..5d205b4
--- /dev/null
+++ b/arch/powerpc/boot/dts/t1040d4rdb-usdpaa-lag.dts
@@ -0,0 +1,60 @@
+/*
+ * T1040D4RDB Link Aggregation Device Tree Source
+ *
+ * Copyright 2015 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.
+ */
+
+/include/ "t1040d4rdb.dts"
+
+/ {
+	/* bp dts definition is borrowed from other USDPAA dts */
+	bp6: buffer-pool@6 {
+		compatible = "fsl,t1040-bpool", "fsl,bpool";
+		fsl,bpid = <6>;
+		fsl,bpool-ethernet-cfg = <0 0 0 1728 0 0xfeedabba>;
+		fsl,bpool-thresholds = <0x100 0x300 0x0 0x0>;
+	};
+
+	fsl,dpaa {
+		/* There are 1 host port and 3 offline ports (OP) in T1040.
+		 * Enabling OP#2 for lag use-case.
+		 */
+		dpa-fman0-oh@2 {
+			compatible = "fsl,dpa-oh";
+			/* Define frame queues for the OH port*/
+			/* <OH Rx error, OH Rx default> */
+			fsl,qman-frame-queues-oh = <0x68 1 0x69 1>;
+			fsl,bman-buffer-pools = <&bp6>;
+			fsl,qman-frame-queues-tx = <0x90 8>;
+			fsl,fman-oh-port = <&fman0_oh2>;
+		};
+	};
+};