On Wed, Dec 30, 2020 at 08:52:07PM +0000, Timon Baetz wrote:

+- charger: Node for configuring the charger driver.
+  Required properties:
+  - compatible: "maxim,max8997-battery"
+  Optional properties:
+  - extcon: extcon specifier for charging events
+  - charger-supply: regulator node for charging current
+
+- muic: Node used only by extcon consumers.
+  Required properties:
+  - compatible: "maxim,max8997-muic"

Why do these need to appear in the DT binding?  We know these features
are there simply from knowing this is a max8997.