[PATCH 1/2] ASoC: tas2552: Describe the possible I2C addresses

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According to the TAS2552 datasheet the possible I2C addresses are:

0x40 - when ADDR pin is 0
0x41 - when ADDR pin is 1

List the possible values for better clarification.

Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx>
---
 Documentation/devicetree/bindings/sound/tas2552.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sound/tas2552.txt b/Documentation/devicetree/bindings/sound/tas2552.txt
index 54c1c87..ea8abf0 100644
--- a/Documentation/devicetree/bindings/sound/tas2552.txt
+++ b/Documentation/devicetree/bindings/sound/tas2552.txt
@@ -5,7 +5,8 @@ The tas2552 serial control bus communicates through I2C protocols
 Required properties:
 	- compatible - One of:
 		"ti,tas2552" - TAS2552
-	- reg -  I2C slave address
+	- reg -  I2C slave address: it can be 0x40 if ADDR pin is 0
+				    or 0x41 if ADDR pin is 1.
 	- supply-*: Required supply regulators are:
 		"vbat"		battery voltage
 		"iovdd"		I/O Voltage
-- 
2.7.4

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