diff --git a/Documentation/devicetree/bindings/hwmon/lltc,ltc2978.yaml b/Documentation/devicetree/bindings/hwmon/lltc,ltc2978.yaml
index 37e1dc9c7dd3..eeb6a4fe80b2 100644
--- a/Documentation/devicetree/bindings/hwmon/lltc,ltc2978.yaml
+++ b/Documentation/devicetree/bindings/hwmon/lltc,ltc2978.yaml
@@ -30,6 +30,7 @@ properties:
       - lltc,ltc7880
       - lltc,ltm2987
       - lltc,ltm4664
+      - lltc,ltm4673
       - lltc,ltm4675
       - lltc,ltm4676
       - lltc,ltm4677
@@ -55,6 +56,7 @@ properties:
       * ltc7880 : vout0 - vout1
       * ltc3883 : vout0
       * ltm4664 : vout0 - vout1
+      * ltm4673 : vout0 - vout3
       * ltm4675, ltm4676, ltm4677, ltm4678 : vout0 - vout1
       * ltm4680, ltm4686 : vout0 - vout1
       * ltm4700 : vout0 - vout1