On Fri, Oct 21, 2022 at 10:40:58AM +0800, cy_huang wrote: > From: ChiYuan Huang <cy_huang@xxxxxxxxxxx> > > Add devicetree binding for Richtek RT6190 4-Switch buckboost controller. > > Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx> > --- > Since v2: > - Rename binding filename to 'richtek,rt6190.yaml' > > --- > .../bindings/regulator/richtek,rt6190.yaml | 77 ++++++++++++++++++++++ > 1 file changed, 77 insertions(+) > create mode 100644 Documentation/devicetree/bindings/regulator/richtek,rt6190.yaml > > diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt6190.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt6190.yaml > new file mode 100644 > index 00000000..dced404 > --- /dev/null > +++ b/Documentation/devicetree/bindings/regulator/richtek,rt6190.yaml > @@ -0,0 +1,77 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/regulator/richtek,rt6190.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Richtek RT6190 4-Switch BuckBoost controller > + > +maintainers: > + - ChiYuan Huang <cy_huang@xxxxxxxxxxx> > + > +description: | > + The RT6190 is 4-Switch BuckBoost controller designed for converting input > + voltage to output voltage that can be equal to, higher or lower than input > + voltage. It operates with wide input voltage range from 4.5V to 36V, and > + the output voltage can be set from 3V to 36V by external FB pin. It's commonly > + used for the application like as BuckBoost bus upply, docking station and USB typo: upply > + power delivery product. > + > + Datasheet is available at > + https://www.richtek.com/assets/product_file/RT6190/DS6190-02.pdf > + > +allOf: > + - $ref: regulator.yaml# > + > +properties: > + compatible: > + enum: > + - richtek,rt6190 > + > + reg: > + maxItems: 1 > + > + enable-gpios: true maxItems: 1 > + > + wakeup-source: true > + > + interrupts: > + maxItems: 1 > + > + regulator-allowed-modes: > + description: | > + buck allowed operating mode > + 0: PSM mode (light load Power Saving Mode) > + 1: FCCM mode (Forced-CCM mode) maxItems: 2 > + items: > + enum: [0, 1] > + > +required: > + - compatible > + - reg > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/gpio/gpio.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + regulator@2c { > + compatible = "richtek,rt6190"; > + reg = <0x2c>; > + wakeup-source; > + interrupts-extended = <&gpio26 0 IRQ_TYPE_LEVEL_LOW>; > + enable-gpios = <&gpio26 1 GPIO_ACTIVE_HIGH>; > + regulator-name = "richtek,rt6190-buckboost"; > + regulator-min-microvolt = <3000000>; > + regulator-max-microvolt = <32000000>; > + regulator-min-microamp = <306000>; > + regulator-max-microamp = <12114000>; > + regulator-allowed-modes = <0 1>; > + }; > + }; > -- > 2.7.4 > >
