On Mon, May 17, 2021 at 12:45:59AM +0800, cy_huang wrote: > From: ChiYuan Huang <cy_huang@xxxxxxxxxxx> > > Add DT binding document for Richtek RT6160 voltage regulator. > > Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx> > --- > since v2 > - Move buckboost node from patternProperties to Properties. > --- > .../regulator/richtek,rt6160-regulator.yaml | 67 ++++++++++++++++++++++ > 1 file changed, 67 insertions(+) > create mode 100644 Documentation/devicetree/bindings/regulator/richtek,rt6160-regulator.yaml > > diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt6160-regulator.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt6160-regulator.yaml > new file mode 100644 > index 00000000..4ce1f7c > --- /dev/null > +++ b/Documentation/devicetree/bindings/regulator/richtek,rt6160-regulator.yaml > @@ -0,0 +1,67 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/regulator/richtek,rt6160-regulator.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Richtek RT6160 BuckBoost converter > + > +maintainers: > + - ChiYuan Huang <cy_huang@xxxxxxxxxxx> > + > +description: | > + The RT6160 is a high-efficiency buck-boost converter that can provide > + up to 3A output current from 2025mV to 5200mV. And it support the wide > + input voltage range from 2200mV to 5500mV. > + > + Datasheet is available at > + https://www.richtek.com/assets/product_file/RT6160A/DS6160A-00.pdf > + > +properties: > + compatible: > + enum: > + - richtek,rt6160 > + > + reg: > + maxItems: 1 > + > + enable-gpios: > + description: A connection of the 'enable' gpio line. > + maxItems: 1 > + > + richtek,vsel_active_low: richtek,vsel-active-low > + description: | > + Used to indicate the 'vsel' pin active level. if not specified, use > + high active level as the default. > + type: boolean > + > + buckboost: If this is the only regulator, you don't really need a child node here. Just move everything up. > + description: BuckBoost converter regulator description. > + type: object > + $ref: regulator.yaml# > + > +required: > + - compatible > + - reg > + > +additionalProperties: false > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + rt6160@75 { > + compatible = "richtek,rt6160"; > + reg = <0x75>; > + enable-gpios = <&gpio26 2 0>; > + > + buckboost { > + regulator-name = "rt6160-buckboost"; > + regulator-min-microvolt = <2025000>; > + regulator-max-microvolt = <5200000>; > + regulator-allowed-modes = <0 1>; > + }; > + }; > + }; > -- > 2.7.4 >