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-rw-r--r--Documentation/devicetree/bindings/sound/cs42xx8.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/cs42xx8.txt b/Documentation/devicetree/bindings/sound/cs42xx8.txt
index 8619a156d038..bbfe39347c20 100644
--- a/Documentation/devicetree/bindings/sound/cs42xx8.txt
+++ b/Documentation/devicetree/bindings/sound/cs42xx8.txt
@@ -14,6 +14,11 @@ Required properties:
- VA-supply, VD-supply, VLS-supply, VLC-supply: power supplies for the device,
as covered in Documentation/devicetree/bindings/regulator/regulator.txt
+Optional properties:
+
+ - reset-gpios : a GPIO spec to define which pin is connected to the chip's
+ !RESET pin
+
Example:
cs42888: codec@48 {
@@ -25,4 +30,5 @@ cs42888: codec@48 {
VD-supply = <&reg_audio>;
VLS-supply = <&reg_audio>;
VLC-supply = <&reg_audio>;
+ reset-gpios = <&pca9557_b 1 GPIO_ACTIVE_LOW>;
};