dt-bindings: soc: qcom: add bindings for QTI PBS devices

Qualcomm Technologies, Inc. (QTI) Programmable Boot Sequence
(PBS) devices help triggering certain PBS on QTI PMICs when
available for APPS.

Change-Id: I9148ff20220b998b1634fb9c26d462b2a25d6586
Signed-off-by: David Collins <quic_collinsd@quicinc.com>

bindings/soc/qcom/qcom,qpnp-pbs.yaml

@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom,qpnp-pbs.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. Programmable Boot Sequencer
+
+maintainers:
+  - Anjelique Melendez <quic_amelende@quicinc.com>
+
+description: |
+  The Qualcomm Technologies, Inc. Programmable Boot Sequencer (PBS) supports
+  triggering power up and power down sequences for clients upon request.
+
+properties:
+  compatible:
+    const: qcom,qpnp-pbs
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/spmi/spmi.h>
+
+    pmic@0 {
+      reg = <0x0 SPMI_USID>;
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      pbs@7300 {
+        compatible = "qcom,qpnp-pbs";
+        reg = <0x7300>;
+      };
+    };