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diff --git a/dts/Bindings/sound/img,pistachio-internal-dac.txt b/dts/Bindings/sound/img,pistachio-internal-dac.txt
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+Pistachio internal DAC DT bindings
+
+Required properties:
+
+ - compatible: "img,pistachio-internal-dac"
+
+ - img,cr-top : Must contain a phandle to the top level control syscon
+ node which contains the internal dac control registers
+
+ - VDD-supply : Digital power supply regulator (+1.8V or +3.3V)
+
+Examples:
+
+internal_dac: internal-dac {
+ compatible = "img,pistachio-internal-dac";
+ img,cr-top = <&cr_top>;
+ VDD-supply = <&supply3v3>;
+};