linux-kernel - [PATCH 1/2] dt-bindings: firmware: arm,scmi: introduce property mbox-rx-timeout-ms

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Message-Id: <20240621-scmi-mailbox-v1-v1-1-8ed450735f46@nxp.com>
Date: Fri, 21 Jun 2024 20:46:57 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.com>
To: Sudeep Holla <sudeep.holla@....com>, 
 Cristian Marussi <cristian.marussi@....com>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: arm-scmi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Peng Fan <peng.fan@....com>
Subject: [PATCH 1/2] dt-bindings: firmware: arm,scmi: introduce property
 mbox-rx-timeout-ms

From: Peng Fan <peng.fan@....com>

System Controller Management Interface(SCMI) firmwares might have
different designs by SCMI firmware developers. So the maximum receive
channel timeout value might also varies in the various designs.

So introduce property mbox-rx-timeout-ms to let each platform could
set its own timeout value in device tree.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 Documentation/devicetree/bindings/firmware/arm,scmi.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
index 4d823f3b1f0e..d6cc2bf4c819 100644
--- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
+++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
@@ -121,6 +121,12 @@ properties:
       atomic mode of operation, even if requested.
     default: 0
 
+  max-rx-timeout-ms:
+    description:
+      An optional time value, expressed in milliseconds, representing, on this
+      platform, the mailbox maximum timeout value for receive channel.
+    default: 0
+
   arm,smc-id:
     $ref: /schemas/types.yaml#/definitions/uint32
     description:

-- 
2.37.1