Rob Herring <robh@xxxxxxxxxx> 於 2022年10月25日 週二 凌晨12:42寫道： > > 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 > It's coming from gpio-consumer-common.yaml. If so, does it still need to declare the 'maxItems'? > > + > > + 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 > > > >
