Documentation/devicetree/bindings/arm/msm/spcom.txt

Qualcomm Technologies, Inc. Secure Proccessor Communication (spcom)

Required properties:
-compatible : should be "qcom,spcom"
-qcom,spcom-ch-names: predefined channels name string

Example:
    qcom,spcom {
            compatible = "qcom,spcom";
            qcom,spcom-ch-names = "sp_kernel" , "sp_ssr";
    };