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[1/2] dt-bindings: arm: Add some constraints for PSCI nodes

Message ID 20200326105626.6369-2-ulf.hansson@linaro.org
State New
Headers show
Series [1/2] dt-bindings: arm: Add some constraints for PSCI nodes | expand

Commit Message

Ulf Hansson March 26, 2020, 10:56 a.m. UTC
There's no point allowing anything else but "psci" for the corresponding
nodename of the PSCI node, so let's make this an explicit requirement.

Moreover, let's also prevent additional properties, which also allows a
better verification of the "patternProperties" bindings for subnodes.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
 Documentation/devicetree/bindings/arm/psci.yaml | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml
index 5e66934455bb..9247b58c26fc 100644
--- a/Documentation/devicetree/bindings/arm/psci.yaml
+++ b/Documentation/devicetree/bindings/arm/psci.yaml
@@ -32,6 +32,9 @@  description: |+
     http://infocenter.arm.com/help/topic/com.arm.doc.den0022c/DEN0022C_Power_State_Coordination_Interface.pdf
 
 properties:
+  $nodename:
+    const: psci
+
   compatible:
     oneOf:
       - description:
@@ -141,6 +144,8 @@  allOf:
         - cpu_off
         - cpu_on
 
+additionalProperties: false
+
 examples:
   - |+