The allwinner,sun6i-a31-hwspinlock.yaml binding needs #hwlock-cells
which is required by the hwlock type.
Fixes: f9e784dcb63f ("dt-bindings: hwlock: add sun6i_hwspinlock")
Signed-off-by: Bastian Germann <bage@debian.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230213231931.6546-2-bage@debian.org
 
   resets:
     maxItems: 1
 
+  '#hwlock-cells':
+    const: 1
+
 required:
   - compatible
   - reg
   - clocks
   - resets
+  - "#hwlock-cells"
 
 additionalProperties: false