On 15/08/2022 07:34, Samuel Holland wrote:

+  reg:
+    maxItems: 1
+
+  nvmem-cells:
+    items:
+      - description: NVMEM cell for the calibrated bandgap reference trim value
+
+  nvmem-cell-names:
+    items:
+      - const: bg_trim
+
+patternProperties:
+  "^(a|hp)ldo$":
+    type: object
+    $ref: regulator.yaml#
+    unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - nvmem-cells
+  - nvmem-cell-names
+
+unevaluatedProperties: false

one more: this must be additionalProperties:false, because you do not
reference any other schema in top level. Same in second file.

Best regards,
Krzysztof