dt-bindings: thermal: Add fsl,scu-thermal yaml file

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 'thermal' 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>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
index 6c0161f..03f927a 100644 (file)
--- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
+++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
@@ -72,17 +72,6 @@ Required properties:
 Optional properties:
 - timeout-sec: contains the watchdog timeout in seconds.
 
-Thermal bindings based on SCU Message Protocol
-------------------------------------------------------------
-
-Required properties:
-- compatible:                  Should be :
-                                 "fsl,imx8qxp-sc-thermal"
-                               followed by "fsl,imx-sc-thermal";
-
-- #thermal-sensor-cells:       See Documentation/devicetree/bindings/thermal/thermal-sensor.yaml
-                               for a description.
-
 Example (imx8qxp):
 -------------
 aliases {
@@ -114,11 +103,6 @@ firmware {
                        compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
                        timeout-sec = <60>;
                };
-
-               tsens: thermal-sensor {
-                       compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
-                       #thermal-sensor-cells = <1>;
-               };
        };
 };
 

diff --git a/Documentation/devicetree/bindings/thermal/fsl,scu-thermal.yaml b/Documentation/devicetree/bindings/thermal/fsl,scu-thermal.yaml
new file mode 100644 (file)
index 0000000..f9e4b3c
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/fsl,scu-thermal.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/fsl,scu-thermal.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: i.MX SCU Client Device Node - Thermal 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: thermal-sensor.yaml#
+
+properties:
+  compatible:
+    items:
+      - const: fsl,imx8qxp-sc-thermal
+      - const: fsl,imx-sc-thermal
+
+  '#thermal-sensor-cells':
+    const: 1
+
+required:
+  - compatible
+  - '#thermal-sensor-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    thermal-sensor {
+        compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
+        #thermal-sensor-cells = <1>;
+    };