On Tue, Aug 20, 2024 at 09:42:06AM +0200, Krzysztof Kozlowski wrote: > On Mon, Aug 19, 2024 at 11:46:09AM -0500, Chris Morgan wrote: > > From: Chris Morgan <macromorgan@xxxxxxxxxxx> > > > > Allow specifying a hard limit of the maximum input current. Some PMICs > > such as the AXP717 can pull up to 3.25A, so allow a value to be > > specified that clamps this in the event the hardware is not designed > > for it. > > > > Signed-off-by: Chris Morgan <macromorgan@xxxxxxxxxxx> > > --- > > .../x-powers,axp20x-usb-power-supply.yaml | 69 ++++++++++++++++++- > > 1 file changed, 66 insertions(+), 3 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/power/supply/x-powers,axp20x-usb-power-supply.yaml b/Documentation/devicetree/bindings/power/supply/x-powers,axp20x-usb-power-supply.yaml > > index 34b7959d6772..9cc300e78f60 100644 > > --- a/Documentation/devicetree/bindings/power/supply/x-powers,axp20x-usb-power-supply.yaml > > +++ b/Documentation/devicetree/bindings/power/supply/x-powers,axp20x-usb-power-supply.yaml > > @@ -15,9 +15,6 @@ maintainers: > > - Chen-Yu Tsai <wens@xxxxxxxx> > > - Sebastian Reichel <sre@xxxxxxxxxx> > > > > -allOf: > > - - $ref: power-supply.yaml# > > - > > properties: > > compatible: > > oneOf: > > @@ -31,8 +28,74 @@ properties: > > - const: x-powers,axp803-usb-power-supply > > - const: x-powers,axp813-usb-power-supply > > > > + input-current-limit-microamp: > > + description: > > + Optional value to clamp the maximum input current limit to for > > + the device. If omitted, the programmed value from the EFUSE will > > + be used. > > minimum: 100000 > maximum: 4000000 > (or whatever the values are) It varies based on the compatible string. I've added all of the restrictions below. Basically all but the axp717 have a table of values available (as an enum), and the axp717 which is added in a subsequent commit gets added as a minimum/maximum with a description noting that steps are in values of 50000. Thank you. > > Best regards, > Krzysztof >
