dt-bindings: soc: qcom: Add qcom,pmic-ecid bindings

Add bindings documentation for qcom,pmic-ecid. PMIC ECID provides the
PMIC specific information for identification.

Change-Id: I012670359ad1b1c4aea92f59b9430efc6e446f5f
Signed-off-by: Brindha T<quic_brint@quicinc.com>

bindings/soc/qcom/qcom,pmic-ecid.yaml

@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom,pmic-ecid.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm PMIC ECID Identification
+
+maintainers:
+  - Brindha T <quic_brint@quicinc.com>
+
+description: |
+  PMIC ECID (Exclusive Chip Identifier) device to provide information on PMIC specific part identification.
+
+properties:
+  compatible:
+    const: qcom,pmic-ecid
+
+  reg:
+    description: Specifies the SPMI base address of PMIC ECID
+    maxItems: 1
+
+  qcom,pmic-name:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: Specifies the PMIC name
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    pmic {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        qcom-pmic-ecid@100 {
+            compatible = "qcom,pmic-ecid";
+            reg = <0x100>;
+            qcom,pmic-name = "pm8550";
+        };
+    };
+...