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-rw-r--r--Documentation/devicetree/bindings/sound/wm8994.txt41
1 files changed, 35 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/sound/wm8994.txt b/Documentation/devicetree/bindings/sound/wm8994.txt
index 68cccc4653ba..8fa947509c10 100644
--- a/Documentation/devicetree/bindings/sound/wm8994.txt
+++ b/Documentation/devicetree/bindings/sound/wm8994.txt
@@ -14,9 +14,15 @@ Required properties:
- #gpio-cells : Must be 2. The first cell is the pin number and the
second cell is used to specify optional parameters (currently unused).
- - AVDD2-supply, DBVDD1-supply, DBVDD2-supply, DBVDD3-supply, CPVDD-supply,
- SPKVDD1-supply, SPKVDD2-supply : power supplies for the device, as covered
- in Documentation/devicetree/bindings/regulator/regulator.txt
+ - power supplies for the device, as covered in
+ Documentation/devicetree/bindings/regulator/regulator.txt, depending
+ on compatible:
+ - for wlf,wm1811 and wlf,wm8958:
+ AVDD1-supply, AVDD2-supply, DBVDD1-supply, DBVDD2-supply, DBVDD3-supply,
+ DCVDD-supply, CPVDD-supply, SPKVDD1-supply, SPKVDD2-supply
+ - for wlf,wm8994:
+ AVDD1-supply, AVDD2-supply, DBVDD-supply, DCVDD-supply, CPVDD-supply,
+ SPKVDD1-supply, SPKVDD2-supply
Optional properties:
@@ -62,6 +68,29 @@ Optional properties:
- wlf,csnaddr-pd : If present enable the internal pull-down resistor on
the CS/ADDR pin.
+Pins on the device (for linking into audio routes):
+
+ * IN1LN
+ * IN1LP
+ * IN2LN
+ * IN2LP:VXRN
+ * IN1RN
+ * IN1RP
+ * IN2RN
+ * IN2RP:VXRP
+ * SPKOUTLP
+ * SPKOUTLN
+ * SPKOUTRP
+ * SPKOUTRN
+ * HPOUT1L
+ * HPOUT1R
+ * HPOUT2P
+ * HPOUT2N
+ * LINEOUT1P
+ * LINEOUT1N
+ * LINEOUT2P
+ * LINEOUT2N
+
Example:
wm8994: codec@1a {
@@ -73,11 +102,11 @@ wm8994: codec@1a {
lineout1-se;
+ AVDD1-supply = <&regulator>;
AVDD2-supply = <&regulator>;
CPVDD-supply = <&regulator>;
- DBVDD1-supply = <&regulator>;
- DBVDD2-supply = <&regulator>;
- DBVDD3-supply = <&regulator>;
+ DBVDD-supply = <&regulator>;
+ DCVDD-supply = <&regulator>;
SPKVDD1-supply = <&regulator>;
SPKVDD2-supply = <&regulator>;
};