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

Message ID 20200326105626.6369-2-ulf.hansson@linaro.org
State New
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Series
  • dt-bindings: A few updates to PSCI and power-domain bindings
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Commit Message

Ulf Hansson March 26, 2020, 10:56 a.m.
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(+)

-- 
2.20.1

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:
   - |+