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-rw-r--r--Documentation/devicetree/bindings/sound/rt5640.txt13
1 files changed, 8 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt5640.txt b/Documentation/devicetree/bindings/sound/rt5640.txt
index 068a1141b06f..bac4d9ac1edc 100644
--- a/Documentation/devicetree/bindings/sound/rt5640.txt
+++ b/Documentation/devicetree/bindings/sound/rt5640.txt
@@ -1,10 +1,10 @@
-RT5640 audio CODEC
+RT5640/RT5639 audio CODEC
This device supports I2C only.
Required properties:
-- compatible : "realtek,rt5640".
+- compatible : One of "realtek,rt5640" or "realtek,rt5639".
- reg : The I2C address of the device.
@@ -18,7 +18,7 @@ Optional properties:
- realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin.
-Pins on the device (for linking into audio routes):
+Pins on the device (for linking into audio routes) for RT5639/RT5640:
* DMIC1
* DMIC2
@@ -31,13 +31,16 @@ Pins on the device (for linking into audio routes):
* HPOR
* LOUTL
* LOUTR
- * MONOP
- * MONON
* SPOLP
* SPOLN
* SPORP
* SPORN
+Additional pins on the device for RT5640:
+
+ * MONOP
+ * MONON
+
Example:
rt5640 {