diff --git a/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt b/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt
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+Qualcomm SLIMBus Non Generic Device (NGD) Controller binding
+
+SLIMBus NGD controller is a light-weight driver responsible for communicating
+with SLIMBus slaves directly over the bus using messaging interface and
+communicating with master component residing on ADSP for bandwidth and
+data-channel management
+
+Please refer to slimbus/bus.txt for details of the common SLIMBus bindings.
+
+- compatible:
+	Usage: required
+	Value type: <stringlist>
+	Definition: must be "qcom,slim-ngd-v<MAJOR>.<MINOR>.<STEP>"
+	must be one of the following.
+	"qcom,slim-ngd-v1.5.0" for MSM8996
+	"qcom,slim-ngd-v2.1.0" for SDM845
+
+- reg:
+	Usage: required
+	Value type: <prop-encoded-array>
+	Definition: must specify the base address and size of the controller
+		    register space.
+- dmas
+	Usage: required
+	Value type: <array of phandles>
+	Definition: List of rx and tx dma channels
+
+- dma-names
+	Usage: required
+	Value type: <stringlist>
+	Definition: must be "rx" and "tx".
+
+- interrupts:
+	Usage: required
+	Value type: <prop-encoded-array>
+	Definition: must list controller IRQ.
+
+#address-cells
+	Usage: required
+	Value type: <u32>
+	Definition: Should be 1, reflecting the instance id of ngd.
+
+#size-cells
+	Usage: required
+	Value type: <u32>
+	Definition: Should be 0
+
+= NGD Devices
+Each subnode represents an instance of NGD, must contain the following
+properties:
+
+- reg:
+	Usage: required
+	Value type: <u32>
+	Definition: Should be instance id of ngd.
+
+#address-cells
+	Usage: required
+	Refer to slimbus/bus.txt for details of the common SLIMBus bindings.
+
+#size-cells
+	Usage: required
+	Refer to slimbus/bus.txt for details of the common SLIMBus bindings.
+
+= EXAMPLE
+
+slim@91c0000 {
+	compatible = "qcom,slim-ngd-v1.5.0";
+	reg = <0x91c0000 0x2c000>;
+	interrupts = <0 163 0>;
+	dmas =	<&slimbam 3>, <&slimbam 4>;
+	dma-names = "rx", "tx";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	ngd@1 {
+		reg = <1>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		codec@1 {
+			compatible = "slim217,1a0";
+			reg  = <1 0>;
+		};
+	};
+};