diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml
index 45cd6a613a91..6a824351834e 100644
--- a/Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml
+++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml
@@ -59,69 +59,75 @@ additionalProperties: false
 
 examples:
   - |
+    #include <dt-bindings/spmi/spmi.h>
 
-    pmic: pmic@0 {
-      compatible = "hisilicon,hi6421v600-spmi";
-      reg = <0 0>;
+    spmi {
+        #address-cells = <2>;
+        #size-cells = <0>;
 
-      #interrupt-cells = <2>;
-      interrupt-controller;
-      interrupt-parent = <&gpio28>;
-      interrupts = <0 0>;
+        pmic@0 {
+            compatible = "hisilicon,hi6421v600-spmi";
+            reg = <0 SPMI_USID>;
 
-      regulators {
-        ldo3: ldo3 {
-          regulator-name = "ldo3";
-          regulator-min-microvolt = <1500000>;
-          regulator-max-microvolt = <2000000>;
-          regulator-boot-on;
+            #interrupt-cells = <2>;
+            interrupt-controller;
+            interrupt-parent = <&gpio28>;
+            interrupts = <0 0>;
+
+            regulators {
+                ldo3 {
+                    regulator-name = "ldo3";
+                    regulator-min-microvolt = <1500000>;
+                    regulator-max-microvolt = <2000000>;
+                    regulator-boot-on;
+                };
+
+                ldo4 {
+                    regulator-name = "ldo4";
+                    regulator-min-microvolt = <1725000>;
+                    regulator-max-microvolt = <1900000>;
+                    regulator-boot-on;
+                };
+
+                ldo9 {
+                    regulator-name = "ldo9";
+                    regulator-min-microvolt = <1750000>;
+                    regulator-max-microvolt = <3300000>;
+                    regulator-boot-on;
+                };
+
+                ldo15 {
+                    regulator-name = "ldo15";
+                    regulator-min-microvolt = <1800000>;
+                    regulator-max-microvolt = <3000000>;
+                    regulator-always-on;
+                };
+
+                ldo16 {
+                    regulator-name = "ldo16";
+                    regulator-min-microvolt = <1800000>;
+                    regulator-max-microvolt = <3000000>;
+                    regulator-boot-on;
+                };
+
+                ldo17 {
+                    regulator-name = "ldo17";
+                    regulator-min-microvolt = <2500000>;
+                    regulator-max-microvolt = <3300000>;
+                };
+
+                ldo33 {
+                    regulator-name = "ldo33";
+                    regulator-min-microvolt = <2500000>;
+                    regulator-max-microvolt = <3300000>;
+                    regulator-boot-on;
+                };
+
+                ldo34 {
+                    regulator-name = "ldo34";
+                    regulator-min-microvolt = <2600000>;
+                    regulator-max-microvolt = <3300000>;
+                };
+            };
         };
-
-        ldo4: ldo4 {
-          regulator-name = "ldo4";
-          regulator-min-microvolt = <1725000>;
-          regulator-max-microvolt = <1900000>;
-          regulator-boot-on;
-        };
-
-        ldo9: ldo9 {
-          regulator-name = "ldo9";
-          regulator-min-microvolt = <1750000>;
-          regulator-max-microvolt = <3300000>;
-          regulator-boot-on;
-        };
-
-        ldo15: ldo15 {
-          regulator-name = "ldo15";
-          regulator-min-microvolt = <1800000>;
-          regulator-max-microvolt = <3000000>;
-          regulator-always-on;
-        };
-
-        ldo16: ldo16 {
-          regulator-name = "ldo16";
-          regulator-min-microvolt = <1800000>;
-          regulator-max-microvolt = <3000000>;
-          regulator-boot-on;
-        };
-
-        ldo17: ldo17 {
-          regulator-name = "ldo17";
-          regulator-min-microvolt = <2500000>;
-          regulator-max-microvolt = <3300000>;
-        };
-
-        ldo33: ldo33 {
-          regulator-name = "ldo33";
-          regulator-min-microvolt = <2500000>;
-          regulator-max-microvolt = <3300000>;
-          regulator-boot-on;
-        };
-
-        ldo34: ldo34 {
-          regulator-name = "ldo34";
-          regulator-min-microvolt = <2600000>;
-          regulator-max-microvolt = <3300000>;
-        };
-      };
     };