[PATCH v2 1/9] dt-bindings: thermal: Define trips node in $defs

[Francesco Dolcini]

Move `trips` definition to `#/$defs/trips-base` and just reference it
from the trips node. This allows to easily re-use this binding from
another binding file.

No functional changes expected.

Signed-off-by: Francesco Dolcini <francesco.dolcini at toradex.com>
---
v2: no changes
---
 .../bindings/thermal/thermal-zones.yaml       | 130 +++++++++---------
 1 file changed, 67 insertions(+), 63 deletions(-)

diff --git a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml
index 2d34f3ccb257..ba84233d20b7 100644
--- a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml
+++ b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml
@@ -10,6 +10,72 @@ title: Thermal zone binding
 maintainers:
   - Amit Kucheria <amitk at kernel.org>
 
+$defs:
+  trips-base:
+    type: object
+    description:
+      This node describes a set of points in the temperature domain at
+      which the thermal framework needs to take action. The actions to
+      be taken are defined in another node called cooling-maps.
+
+    patternProperties:
+      "^[a-zA-Z][a-zA-Z0-9\\-_]{0,63}$":
+        type: object
+
+        properties:
+          temperature:
+            $ref: /schemas/types.yaml#/definitions/int32
+            minimum: -273000
+            maximum: 200000
+            description:
+              An integer expressing the trip temperature in millicelsius.
+
+          hysteresis:
+            $ref: /schemas/types.yaml#/definitions/uint32
+            description:
+              An unsigned integer expressing the hysteresis delta with
+              respect to the trip temperature property above, also in
+              millicelsius. Any cooling action initiated by the framework is
+              maintained until the temperature falls below
+              (trip temperature - hysteresis). This potentially prevents a
+              situation where the trip gets constantly triggered soon after
+              cooling action is removed.
+
+          type:
+            $ref: /schemas/types.yaml#/definitions/string
+            enum:
+              - active   # enable active cooling e.g. fans
+              - passive  # enable passive cooling e.g. throttling cpu
+              - hot      # send notification to driver
+              - critical # send notification to driver, trigger shutdown
+            description: |
+              There are four valid trip types: active, passive, hot,
+              critical.
+
+              The critical trip type is used to set the maximum
+              temperature threshold above which the HW becomes
+              unstable and underlying firmware might even trigger a
+              reboot. Hitting the critical threshold triggers a system
+              shutdown.
+
+              The hot trip type can be used to send a notification to
+              the thermal driver (if a .notify callback is registered).
+              The action to be taken is left to the driver.
+
+              The passive trip type can be used to slow down HW e.g. run
+              the CPU, GPU, bus at a lower frequency.
+
+              The active trip type can be used to control other HW to
+              help in cooling e.g. fans can be sped up or slowed down
+
+        required:
+          - temperature
+          - hysteresis
+          - type
+        additionalProperties: false
+
+    additionalProperties: false
+
 description: |
   Thermal management is achieved in devicetree by describing the sensor hardware
   and the software abstraction of cooling devices and thermal zones required to
@@ -105,69 +171,7 @@ patternProperties:
           10-inch tablet is around 4500mW.
 
       trips:
-        type: object
-        description:
-          This node describes a set of points in the temperature domain at
-          which the thermal framework needs to take action. The actions to
-          be taken are defined in another node called cooling-maps.
-
-        patternProperties:
-          "^[a-zA-Z][a-zA-Z0-9\\-_]{0,63}$":
-            type: object
-
-            properties:
-              temperature:
-                $ref: /schemas/types.yaml#/definitions/int32
-                minimum: -273000
-                maximum: 200000
-                description:
-                  An integer expressing the trip temperature in millicelsius.
-
-              hysteresis:
-                $ref: /schemas/types.yaml#/definitions/uint32
-                description:
-                  An unsigned integer expressing the hysteresis delta with
-                  respect to the trip temperature property above, also in
-                  millicelsius. Any cooling action initiated by the framework is
-                  maintained until the temperature falls below
-                  (trip temperature - hysteresis). This potentially prevents a
-                  situation where the trip gets constantly triggered soon after
-                  cooling action is removed.
-
-              type:
-                $ref: /schemas/types.yaml#/definitions/string
-                enum:
-                  - active   # enable active cooling e.g. fans
-                  - passive  # enable passive cooling e.g. throttling cpu
-                  - hot      # send notification to driver
-                  - critical # send notification to driver, trigger shutdown
-                description: |
-                  There are four valid trip types: active, passive, hot,
-                  critical.
-
-                  The critical trip type is used to set the maximum
-                  temperature threshold above which the HW becomes
-                  unstable and underlying firmware might even trigger a
-                  reboot. Hitting the critical threshold triggers a system
-                  shutdown.
-
-                  The hot trip type can be used to send a notification to
-                  the thermal driver (if a .notify callback is registered).
-                  The action to be taken is left to the driver.
-
-                  The passive trip type can be used to slow down HW e.g. run
-                  the CPU, GPU, bus at a lower frequency.
-
-                  The active trip type can be used to control other HW to
-                  help in cooling e.g. fans can be sped up or slowed down
-
-            required:
-              - temperature
-              - hysteresis
-              - type
-            additionalProperties: false
-
-        additionalProperties: false
+        $ref: "#/$defs/trips-base"
 
       cooling-maps:
         type: object
-- 
2.25.1