Definition: reference to the px regulator to be held on behalf of the
                    booting Hexagon core
 
+- power-domains:
+       Usage: required
+       Value type: <phandle>
+       Definition: reference to power-domains that match the power-domain-names
+
+- power-domain-names:
+       Usage: required
+       Value type: <stringlist>
+       Definition: The power-domains needed depend on the compatible string:
+       qcom,msm8974-adsp-pil:
+       qcom,msm8996-adsp-pil:
+                   must be "cx"
+       qcom,msm8996-slpi-pil:
+                   must be "ss_cx"
+       qcom,qcs404-adsp-pas:
+                   must be "lpi_cx"
+       qcom,qcs404-cdsp-pas:
+       qcom,qcs404-wcss-pas:
+                   must be "mx"
+       qcom,sdm845-adsp-pas:
+       qcom,sdm845-cdsp-pas:
+                   must be "cx", "load_state"
+
 - memory-region:
        Usage: required
        Value type: <phandle>