--- zzzz-none-000/linux-4.4.271/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt	2021-06-03 06:22:09.000000000 +0000
+++ maple-fsgw-759/linux-4.4.271/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt	2023-12-20 10:36:59.000000000 +0000
@@ -14,8 +14,12 @@
 		    "qcom,pm8917-gpio"
 		    "qcom,pm8921-gpio"
 		    "qcom,pm8941-gpio"
+		    "qcom,pm8994-gpio"
 		    "qcom,pma8084-gpio"
 
+		    And must contain either "qcom,spmi-gpio" or "qcom,ssbi-gpio"
+		    if the device is on an spmi bus or an ssbi bus respectively
+
 - reg:
 	Usage: required
 	Value type: <prop-encoded-array>
@@ -79,6 +83,7 @@
 		    gpio1-gpio38 for pm8917
 		    gpio1-gpio44 for pm8921
 		    gpio1-gpio36 for pm8941
+		    gpio1-gpio22 for pm8994
 		    gpio1-gpio22 for pma8084
 
 - function:
@@ -93,7 +98,10 @@
 		    "dtest1",
 		    "dtest2",
 		    "dtest3",
-		    "dtest4"
+		    "dtest4",
+		    And following values are supported by LV/MV GPIO subtypes:
+		    "func3",
+		    "func4"
 
 - bias-disable:
 	Usage: optional
@@ -178,10 +186,22 @@
 	Value type: <none>
 	Definition: The specified pins are configured in open-source mode.
 
+- qcom,analog-pass:
+	Usage: optional
+	Value type: <none>
+	Definition: The specified pins are configured in analog-pass-through mode.
+
+- qcom,atest:
+	Usage: optional
+	Value type: <u32>
+	Definition: Selects ATEST rail to route to GPIO when it's configured
+		    in analog-pass-through mode.
+		    Valid values are 1-4 corresponding to ATEST1 to ATEST4.
+
 Example:
 
 	pm8921_gpio: gpio@150 {
-		compatible = "qcom,pm8921-gpio";
+		compatible = "qcom,pm8921-gpio", "qcom,ssbi-gpio";
 		reg = <0x150 0x160>;
 		interrupts = <192 1>, <193 1>, <194 1>,
 			     <195 1>, <196 1>, <197 1>,