On Wed, Oct 30, 2024 at 5:41 PM Grant Peltier <grantpeltier93@xxxxxxxxx> wrote: > > Add devicetree bindings to support declaring optional voltage dividers to > the rail outputs of supported digital multiphase regulators. Some > applications require Vout to exceed the voltage range that the Vsense pin > can detect. This binding definition allows users to define the > characteristics of a voltage divider placed between Vout and the Vsense > pin for any rail powered by the device. > > These bindings copy the vout-voltage-divider property defined in the > maxim,max20730 bindings schema since it is the best fit for the use case > of scaling hwmon PMBus telemetry. The generic voltage-divider property > used by many iio drivers was determined to be a poor fit because that > schema is tied directly to iio for the purpose of scaling io-channel > voltages and the isl68137 driver is not an iio driver. > > Signed-off-by: Grant Peltier <grantpeltier93@xxxxxxxxx> > --- > .../hwmon/pmbus/renesas,isl68137.yaml | 147 ++++++++++++++++++ > 1 file changed, 147 insertions(+) > create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/renesas,isl68137.yaml > > diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/renesas,isl68137.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/renesas,isl68137.yaml > new file mode 100644 > index 000000000000..ed659c2baadf > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwmon/pmbus/renesas,isl68137.yaml > @@ -0,0 +1,147 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > + > +$id: http://devicetree.org/schemas/hwmon/pmbus/renesas,isl68137.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Renesas Digital Multiphase Voltage Regulators with PMBus > + > +maintainers: > + - Grant Peltier <grant.peltier.jg@xxxxxxxxxxx> > + > +description: | > + Renesas digital multiphase voltage regulators with PMBus. > + https://www.renesas.com/en/products/power-management/multiphase-power/multiphase-dcdc-switching-controllers > + > +properties: > + compatible: > + enum: Somehow "isl68137" is missing from your list. "make dt_compatible_check" reports it as not documented. > + - renesas,isl68220 > + - renesas,isl68221 > + - renesas,isl68222 > + - renesas,isl68223 > + - renesas,isl68224 > + - renesas,isl68225 > + - renesas,isl68226 > + - renesas,isl68227 > + - renesas,isl68229 > + - renesas,isl68233 > + - renesas,isl68239 > + - renesas,isl69222 > + - renesas,isl69223 > + - renesas,isl69224 > + - renesas,isl69225 > + - renesas,isl69227 > + - renesas,isl69228 > + - renesas,isl69234 > + - renesas,isl69236 > + - renesas,isl69239 > + - renesas,isl69242 > + - renesas,isl69243 > + - renesas,isl69247 > + - renesas,isl69248 > + - renesas,isl69254 > + - renesas,isl69255 > + - renesas,isl69256 > + - renesas,isl69259 > + - renesas,isl69260 > + - renesas,isl69268 > + - renesas,isl69269 > + - renesas,isl69298 > + - renesas,raa228000 > + - renesas,raa228004 > + - renesas,raa228006 > + - renesas,raa228228 > + - renesas,raa229001 > + - renesas,raa229004