--- zzzz-none-000/linux-4.4.271/Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt	2023-04-19 10:22:27.000000000 +0000
@@ -17,6 +17,9 @@
 		    "qcom,pm8941-mpp",
 		    "qcom,pma8084-mpp",
 
+		    And must contain either "qcom,spmi-mpp" or "qcom,ssbi-mpp"
+		    if the device is on an spmi bus or an ssbi bus respectively.
+
 - reg:
 	Usage: required
 	Value type: <prop-encoded-array>
@@ -156,7 +159,7 @@
 Example:
 
 	mpps@a000 {
-		compatible = "qcom,pm8841-mpp";
+		compatible = "qcom,pm8841-mpp", "qcom,spmi-mpp";
 		reg = <0xa000>;
 		gpio-controller;
 		#gpio-cells = <2>;