This binding is used to keep the backward compatibility with the current dtb's [1]. The binding informs the driver that the unused switch regulators can be disabled. If it is not specified, the driver doesn't disable the switch regulators.
[1] https://patchwork.kernel.org/patch/10490381/ Signed-off-by: Marco Felsch <m.fel...@pengutronix.de> --- Documentation/devicetree/bindings/regulator/pfuze100.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/pfuze100.txt b/Documentation/devicetree/bindings/regulator/pfuze100.txt index 672c939045ff..1f17ab7c7123 100644 --- a/Documentation/devicetree/bindings/regulator/pfuze100.txt +++ b/Documentation/devicetree/bindings/regulator/pfuze100.txt @@ -4,6 +4,14 @@ Required properties: - compatible: "fsl,pfuze100", "fsl,pfuze200", "fsl,pfuze3000", "fsl,pfuze3001" - reg: I2C slave address +Optional properties: +- pfuze-disable-sw: Disable all unused switch regulators to save power + consumption. Attention, some platforms are using the switch regulators as DDR + ref or supply voltage. Mark these regulators as "regulator-always-on" to skip + disabling these regulators. If not specified, the driver simualtes the + disabling. This means the state of the regulator is set to 'disabled' but the + driver don't disable the regulator. + 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 -- 2.18.0
