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Cc:     Viorel Suman <viorel.suman@oss.nxp.com>
Subject: [PATCH v8 03/15] dt-bindings: input: Add fsl,scu-key yaml file
Date:   Thu,  7 Jul 2022 15:50:10 +0300
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From: Abel Vesa <abel.vesa@nxp.com>

In order to replace the fsl,scu txt file from bindings/arm/freescale,
we need to split it between the right subsystems. This patch documents
separately the 'keys' child node of the SCU main node.

Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 .../bindings/arm/freescale/fsl,scu.txt        | 14 -------
 .../bindings/input/fsl,scu-key.yaml           | 40 +++++++++++++++++++
 2 files changed, 40 insertions(+), 14 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/input/fsl,scu-key.yaml

diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
index 5ec2a031194e..572cb2e628bf 100644
--- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
+++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
@@ -111,15 +111,6 @@ Required properties:
 Optional properties:
 - timeout-sec: contains the watchdog timeout in seconds.
 
-SCU key bindings based on SCU Message Protocol
-------------------------------------------------------------
-
-Required properties:
-- compatible: should be:
-              "fsl,imx8qxp-sc-key"
-              followed by "fsl,imx-sc-key";
-- linux,keycodes: See Documentation/devicetree/bindings/input/input.yaml
-
 Thermal bindings based on SCU Message Protocol
 ------------------------------------------------------------
 
@@ -177,11 +168,6 @@ firmware {
 			compatible = "fsl,imx8qxp-sc-rtc";
 		};
 
-		scu_key: scu-key {
-			compatible = "fsl,imx8qxp-sc-key", "fsl,imx-sc-key";
-			linux,keycodes = <KEY_POWER>;
-		};
-
 		watchdog {
 			compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
 			timeout-sec = <60>;
diff --git a/Documentation/devicetree/bindings/input/fsl,scu-key.yaml b/Documentation/devicetree/bindings/input/fsl,scu-key.yaml
new file mode 100644
index 000000000000..e6266d188266
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/fsl,scu-key.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/fsl,scu-key.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: i.MX SCU Client Device Node - SCU key bindings based on SCU Message Protocol
+
+maintainers:
+  - Dong Aisheng <aisheng.dong@nxp.com>
+
+description: i.MX SCU Client Device Node
+  Client nodes are maintained as children of the relevant IMX-SCU device node.
+
+allOf:
+  - $ref: input.yaml#
+
+properties:
+  compatible:
+    items:
+      - const: fsl,imx8qxp-sc-key
+      - const: fsl,imx-sc-key
+
+  linux,keycodes:
+    maxItems: 1
+
+required:
+  - compatible
+  - linux,keycodes
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/input/input.h>
+
+    keys {
+        compatible = "fsl,imx8qxp-sc-key", "fsl,imx-sc-key";
+        linux,keycodes = <KEY_POWER>;
+    };
-- 
2.25.1