diff --git a/dtschema/schemas/iio/iio-consumer.yaml b/dtschema/schemas/iio/iio-consumer.yaml
index ad2cbd81..7a285a66 100644
--- a/dtschema/schemas/iio/iio-consumer.yaml
+++ b/dtschema/schemas/iio/iio-consumer.yaml
@@ -31,6 +31,9 @@ properties:
       to the device. Note: if the IIO provider specifies '0' for
       #io-channel-cells, then only the phandle portion of the pair will appear.
 
+  io-channel-names:
+    $ref: /schemas/types.yaml#/definitions/string-array
+
   io-backends:
     $ref: /schemas/types.yaml#/definitions/phandle-array
     description:
@@ -42,6 +45,9 @@ properties:
       capable of handling the high sample rates. Examples of the provided
       services would be channel enablement/disablement.
 
+  io-backend-names:
+    $ref: /schemas/types.yaml#/definitions/string-array
+
 dependencies:
   io-channel-names: [io-channels]
   io-backend-names: [io-backends]
diff --git a/dtschema/schemas/interconnects.yaml b/dtschema/schemas/interconnects.yaml
index 40ecf3c1..6bf40d4c 100644
--- a/dtschema/schemas/interconnects.yaml
+++ b/dtschema/schemas/interconnects.yaml
@@ -15,6 +15,9 @@ properties:
   interconnects:
     $ref: types.yaml#/definitions/phandle-array
 
+  interconnect-names:
+    $ref: /schemas/types.yaml#/definitions/string-array
+
 dependencies:
   interconnect-names: [interconnects]
 
diff --git a/dtschema/schemas/pinctrl/pinctrl-consumer.yaml b/dtschema/schemas/pinctrl/pinctrl-consumer.yaml
index c6dde464..648c7547 100644
--- a/dtschema/schemas/pinctrl/pinctrl-consumer.yaml
+++ b/dtschema/schemas/pinctrl/pinctrl-consumer.yaml
@@ -16,7 +16,8 @@ select: true
 properties:
   pinctrl-0: true
 
-  pinctrl-names: true
+  pinctrl-names:
+    $ref: /schemas/types.yaml#/definitions/string-array
 
 patternProperties:
   "^pinctrl-[0-9]+$":