Krzysztof Kozlowski <krzk@xxxxxxxxxx> 於 2022年3月25日 週五 下午8:14寫道： > > On 25/03/2022 02:06, cy_huang wrote: > > From: ChiYuan Huang <cy_huang@xxxxxxxxxxx> > > > > Add bindings for Richtek RT5759 high-performance DCDC converter. > > > > Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx> > > --- > > .../regulator/richtek,rt5759-regulator.yaml | 90 ++++++++++++++++++++++ > > 1 file changed, 90 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/regulator/richtek,rt5759-regulator.yaml > > > > diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt5759-regulator.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt5759-regulator.yaml > > new file mode 100644 > > index 00000000..c24b583 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/regulator/richtek,rt5759-regulator.yaml > > @@ -0,0 +1,90 @@ > > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/regulator/richtek,rt5759-regulator.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Richtek RT5759 High Performance DCDC Concverter > > typo: Converter > Ack in next. > > + > > +maintainers: > > + - ChiYuan Huang <cy_huang@xxxxxxxxxxx> > > + > > +description: | > > + The RT5759 is a high-performance, synchronous step-down DC-DC converter that > > + can deliver up to 9A output current from 3V to 6.5V input supply, The output > > + voltage can be programmable with I2C controlled 7-Bit VID. > > + > > + Datasheet is available at > > + https://www.richtek.com/assets/product_file/RT5759/DS5759-00.pdf > > + > > +allOf: > > + - $ref: regulator.yaml# > > + > > +properties: > > + compatible: > > + enum: > > + - richtek,rt5759 > > + - richtek,rt5759a > > + > > + reg: > > + maxItems: 1 > > + > > + regulator-allowed-modes: > > + description: | > > + buck allowed operating mode > > + 0: auto mode (PSKIP: pulse skipping) > > + 1: force pwm mode > > + items: > > + enum: [0, 1] > > + > > + richtek,watchdog-enable: > > + description: enable the external watchdog reset pin listening > > + type: boolean > > + > > +if: > > This should be inside allOf. Move allOf here, > Ack in next. > > + properties: > > + compatible: > > + contains: > > + const: richtek,rt5759 > > +then: > > + properties: > > + richtek,watchdog-enable: false > > + > > +required: > > + - compatible > > + - reg > > + > > +unevaluatedProperties: false > > + > > +examples: > > + # example 1 for RT5759 > > + - | > > + i2c { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + rt5759@62 { > > Generic node name, so pmic. > As my understanding, 'pmic' means there must be multiple channels of buck or ldo. But rt5759 is only one channel buck converter. > > + compatible = "richtek,rt5759"; > > + reg = <0x62>; > > + regulator-name = "rt5759-buck"; > > + regulator-min-microvolt = <600000>; > > + regulator-max-microvolt = <1500000>; > > + regulator-boot-on; > > + }; > > + }; > > + # example 2 for RT5759A > > + - | > > + i2c { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + rt5759a@62 { > > Ditto > > > + compatible = "richtek,rt5759a"; > > + reg = <0x62>; > > + regulator-name = "rt5759a-buck"; > > + regulator-min-microvolt = <600000>; > > + regulator-max-microvolt = <1725000>; > > + regulator-boot-on; > > + richtek,watchdog-enable; > > + }; > > + }; > > > Best regards, > Krzysztof
