dt-bindings: Add snapshot of sys-pm-violators documentation

Snapshot the sys-pm-violators documentation from
qcom-6.1 'commit <16ac1827ff37> ("bindings: arm: msm:
Add sys-pm-violators bindings for monaco_au")'.

Updates:
	- Add entry to support for sun.

Change-Id: I1a8cd4652b6680ff4b87199a6fc22b1ddbcd9614
Signed-off-by: Minghao Zhang <quic_minghao@quicinc.com>

bindings/arm/msm/sys-pm-violators.yaml

@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/msm/sys-pm-violators.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. (QTI) System PM Violoators bindings
+
+description: |
+  System PM Violoators is a virtual device sends a QMP message to AOP to start
+  recording subsystems that are preventing system low power modes - AOSS sleep,
+  CX PC, DDR low power from happening during a test duration. The stats are
+  saved in MSGRAM and are read and displayed from Linux in debugfs.
+
+properties:
+  compatible:
+    enum:
+      - qcom,sys-pm-lahaina
+      - qcom,sys-pm-waipio
+      - qcom,sys-pm-kalama
+      - qcom,sys-pm-pineapple
+      - qcom,sys-pm-monaco-auto
+      - qcom,sys-pm-sun
+
+  reg:
+    maxItems: 1
+    description:
+      The address on the AOP Message RAM from where the stats are read.
+
+  qcom,qmp:
+    description:
+      Handle to the QMP mailbox.
+
+required:
+  - compatible
+  - reg
+  - qcom,qmp
+
+examples:
+  - |
+    sys-pm-vx@c320000 {
+      compatible = "qcom,sys-pm-violators", "qcom,sys-pm-lahaina";
+      reg = <0xc320000 0x0400>;
+      qcom,qmp = <&aoss_qmp>;
+    };