linux-kernel - [PATCH 2/2] dt-bindings: firmware: imx95-scmi: Allow linux,code for protocol@81

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Message-Id: <20241030084140.9704-1-alexander.stein@ew.tq-group.com>
Date: Wed, 30 Oct 2024 09:41:40 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Peng Fan <peng.fan@....com>,
	Alexander Stein <alexander.stein@...tq-group.com>
Cc: devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] dt-bindings: firmware: imx95-scmi: Allow linux,code for protocol@81

BBM protocol supports a single power button, supported by driver
imx-sm-bbm-key.c. By default this is KEY_POWER, but can also be overwritten
using linux,code. Add a reference to this schema and add linux,code as a
supported property.

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
Admittedly, I'm not sure if this is the correct way of referencing the
linux,code from input.yaml.

 .../devicetree/bindings/firmware/nxp,imx95-scmi.yaml     | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml b/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml
index 1a95010a546b1..112c3a3eb1980 100644
--- a/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml
+++ b/Documentation/devicetree/bindings/firmware/nxp,imx95-scmi.yaml
@@ -12,13 +12,18 @@ maintainers:
 
 properties:
   protocol@81:
-    $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node'
-    unevaluatedProperties: false
+    type: object
+    allOf:
+      - $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node'
+      - $ref: /schemas/input/input.yaml#
+    additionalProperties: false
 
     properties:
       reg:
         const: 0x81
 
+      linux,code: true
+
   protocol@84:
     $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node'
     unevaluatedProperties: false
-- 
2.34.1