diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 8103154bbb529..c77d7b155a4c6 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -49,6 +49,8 @@ properties:
               - hisilicon,peri-subctrl
               - hpe,gxp-sysreg
               - intel,lgm-syscon
+              - loongson,ls1b-syscon
+              - loongson,ls1c-syscon
               - marvell,armada-3700-usb2-host-misc
               - mediatek,mt8135-pctl-a-syscfg
               - mediatek,mt8135-pctl-b-syscfg