dt-bindings: arm/cpus: Add power-domains constraints

The "power-domains" and "power-domains-names" properties are missing any
constraints. Add the constraints and drop the generic descriptions.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20250410-dt-cpu-schema-v2-16-63d7dc9ddd0a@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
index 2efad337f8605f975b257d9004c90e4695a8e337..07f0227cf80405af50b1eb9531a7af54c335dfe7 100644 (file)
--- a/Documentation/devicetree/bindings/arm/cpus.yaml
+++ b/Documentation/devicetree/bindings/arm/cpus.yaml
@@ -313,19 +313,15 @@ properties:
     maxItems: 1
 
   power-domains:
-    description:
-      List of phandles and PM domain specifiers, as defined by bindings of the
-      PM domain provider (see also ../power_domain.txt).
+    maxItems: 1
 
   power-domain-names:
     description:
-      A list of power domain name strings sorted in the same order as the
-      power-domains property.
-
       For PSCI based platforms, the name corresponding to the index of the PSCI
       PM domain provider, must be "psci". For SCMI based platforms, the name
       corresponding to the index of an SCMI performance domain provider, must be
       "perf".
+    enum: [ psci, perf, cpr ]
 
   resets:
     maxItems: 1