| Message ID | 1660548852-6222-2-git-send-email-u0084500@gmail.com (mailing list archive) |
|---|---|
| State | Handled Elsewhere, archived |
| Headers | show |
| Series | Add Richtek RT9471 3A battery charger support | expand |
On 15/08/2022 10:34, cy_huang wrote: > From: ChiYuan Huang <cy_huang@richtek.com> > > Add bindings for the Richtek RT9471 I2C controlled battery charger. > > Co-developed-by: Alina Yu <alina_yu@richtek.com> > Signed-off-by: Alina Yu <alina_yu@richtek.com> > Signed-off-by: ChiYuan Huang <cy_huang@richtek.com> > --- > Since v2 > - Remove the properties for interrupt controller things in the binding documentation. > - Fix dtc error for typo, it's 'regulator-name', not 'regulator-compatible'. > - Add regulator min/max microamp to allow otg vbus current adjustable in example. > - Specify the active-level for charge-enable-gpios in binding example. > > --- > .../bindings/power/supply/richtek,rt9471.yaml | 73 ++++++++++++++++++++++ > 1 file changed, 73 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml > > diff --git a/Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml b/Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml > new file mode 100644 > index 00000000..9286b82 > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml > @@ -0,0 +1,73 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/power/supply/richtek,rt9471.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Richtek RT9471 3A Single Cell Switching Battery charger > + > +maintainers: > + - Alina Yu <alina_yu@richtek.com> > + - ChiYuan Huang <cy_huang@richtek.com> > + > +description: | > + RT9471 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for > + portable applications. It supports USB BC1.2 port detection, current and > + voltage regulations in both charging and boost mode. > + > + Datasheet is available at > + https://www.richtek.com/assets/product_file/RT9471=RT9471D/DS9471D-02.pdf > + > +properties: > + compatible: > + const: richtek,rt9471 > + > + reg: > + maxItems: 1 > + > + charge-enable-gpios: > + description: GPIO used to turn on and off charging. > + maxItems: 1 > + > + wakeup-source: true > + > + interrupts: > + maxItems: 1 > + > + usb-otg-vbus-regulator: > + type: object > + unevaluatedProperties: false > + $ref: /schemas/regulator/regulator.yaml# ref goes before unevaluatedProperties (so one line up) with above: Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml b/Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml new file mode 100644 index 00000000..9286b82 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/supply/richtek,rt9471.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Richtek RT9471 3A Single Cell Switching Battery charger + +maintainers: + - Alina Yu <alina_yu@richtek.com> + - ChiYuan Huang <cy_huang@richtek.com> + +description: | + RT9471 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for + portable applications. It supports USB BC1.2 port detection, current and + voltage regulations in both charging and boost mode. + + Datasheet is available at + https://www.richtek.com/assets/product_file/RT9471=RT9471D/DS9471D-02.pdf + +properties: + compatible: + const: richtek,rt9471 + + reg: + maxItems: 1 + + charge-enable-gpios: + description: GPIO used to turn on and off charging. + maxItems: 1 + + wakeup-source: true + + interrupts: + maxItems: 1 + + usb-otg-vbus-regulator: + type: object + unevaluatedProperties: false + $ref: /schemas/regulator/regulator.yaml# + +required: + - compatible + - reg + - wakeup-source + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/gpio/gpio.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + charger@53 { + compatible = "richtek,rt9471"; + reg = <0x53>; + charge-enable-gpios = <&gpio26 1 GPIO_ACTIVE_LOW>; + wakeup-source; + interrupts-extended = <&gpio_intc 32 IRQ_TYPE_EDGE_FALLING>; + + usb-otg-vbus-regulator { + regulator-name = "usb-otg-vbus"; + regulator-min-microvolt = <4850000>; + regulator-max-microvolt = <5300000>; + regulator-min-microamp = <500000>; + regulator-max-microamp = <1200000>; + }; + }; + };