[PATCH] dt: sgtl5000.txt: Add description for 'reg' field

[Fabio Estevam]

Add description for 'reg' field.

Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
 .../devicetree/bindings/sound/sgtl5000.txt         |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/sgtl5000.txt b/Documentation/devicetree/bindings/sound/sgtl5000.txt
index 2c3cd41..9cc4444 100644
--- a/Documentation/devicetree/bindings/sound/sgtl5000.txt
+++ b/Documentation/devicetree/bindings/sound/sgtl5000.txt
@@ -3,6 +3,8 @@
 Required properties:
 - compatible : "fsl,sgtl5000".
 
+- reg : the I2C address of the device
+
 Example:
 
 codec: sgtl5000 at 0a {
-- 
1.7.1