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-rw-r--r--Documentation/devicetree/bindings/regulator/pfuze100.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/pfuze100.txt b/Documentation/devicetree/bindings/regulator/pfuze100.txt
index 672c939045ff..c7610718adff 100644
--- a/Documentation/devicetree/bindings/regulator/pfuze100.txt
+++ b/Documentation/devicetree/bindings/regulator/pfuze100.txt
@@ -4,6 +4,15 @@ Required properties:
- compatible: "fsl,pfuze100", "fsl,pfuze200", "fsl,pfuze3000", "fsl,pfuze3001"
- reg: I2C slave address
+Optional properties:
+- fsl,pfuze-support-disable-sw: Boolean, if present disable all unused switch
+ regulators to save power consumption. Attention, ensure that all important
+ regulators (e.g. DDR ref, DDR supply) has set the "regulator-always-on"
+ property. If not present, the switched regualtors are always on and can't be
+ disabled. This binding is a workaround to keep backward compatibility with
+ old dtb's which rely on the fact that the switched regulators are always on
+ and don't mark them explicit as "regulator-always-on".
+
Required child node:
- regulators: This is the list of child nodes that specify the regulator
initialization data for defined regulators. Please refer to below doc