[PATCH] dt-bindings: firmware: arm,scmi: support system power protocol

["Peng Fan (OSS)" <peng.fan@xxxxxxxxxxx>]

From: Peng Fan <peng.fan@xxxxxxx>

Add SCMI System Power Protocol bindings, and the protocol id is 0x12.

Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
 Documentation/devicetree/bindings/firmware/arm,scmi.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
index 4591523b51a0..d99f1577476e 100644
--- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
+++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
@@ -141,6 +141,14 @@ properties:
     required:
       - '#power-domain-cells'
 
+  protocol@12:
+    $ref: '#/$defs/protocol-node'
+    unevaluatedProperties: false
+
+    properties:
+      reg:
+        const: 0x12
+
   protocol@13:
     $ref: '#/$defs/protocol-node'
     unevaluatedProperties: false
-- 
2.37.1