Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/kernel/Documentation/devicetree/bindings/sound/rt5631.txt b/kernel/Documentation/devicetree/bindings/sound/rt5631.txt
new file mode 100644
index 000000000..92b986ca3
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/sound/rt5631.txt
@@ -0,0 +1,48 @@
+ALC5631/RT5631 audio CODEC
+
+This device supports I2C only.
+
+Required properties:
+
+  - compatible : "realtek,alc5631" or "realtek,rt5631"
+
+  - reg : the I2C address of the device.
+
+Pins on the device (for linking into audio routes):
+
+  * SPK_OUT_R_P
+  * SPK_OUT_R_N
+  * SPK_OUT_L_P
+  * SPK_OUT_L_N
+  * HP_OUT_L
+  * HP_OUT_R
+  * AUX_OUT2_LP
+  * AUX_OUT2_RN
+  * AUX_OUT1_LP
+  * AUX_OUT1_RN
+  * AUX_IN_L_JD
+  * AUX_IN_R_JD
+  * MONO_IN_P
+  * MONO_IN_N
+  * MIC1_P
+  * MIC1_N
+  * MIC2_P
+  * MIC2_N
+  * MONO_OUT_P
+  * MONO_OUT_N
+  * MICBIAS1
+  * MICBIAS2
+
+Example:
+
+alc5631: alc5631@1a {
+	compatible = "realtek,alc5631";
+	reg = <0x1a>;
+};
+
+or
+
+rt5631: rt5631@1a {
+	compatible = "realtek,rt5631";
+	reg = <0x1a>;
+};