From: ChiYuan Huang <cy_huang@xxxxxxxxxxx> Add bindings for the Richtek RT9471 I2C controlled battery charger. Co-developed-by: Alina Yu <alina_yu@xxxxxxxxxxx> Signed-off-by: Alina Yu <alina_yu@xxxxxxxxxxx> Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx> --- .../bindings/power/supply/richtek,rt9471.yaml | 78 ++++++++++++++++++++++ 1 file changed, 78 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..6fef1bd --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml @@ -0,0 +1,78 @@ +# 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@xxxxxxxxxxx> + - ChiYuan Huang <cy_huang@xxxxxxxxxxx> + +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 + + ceb-gpios: + maxItems: 1 + + wakeup-source: true + + interrupts: + maxItems: 1 + + interrupt-controller: true + + "#interrupt-cells": + const: 1 + + usb-otg-vbus-regulator: + type: object + unevaluatedProperties: false + $ref: /schemas/regulator/regulator.yaml# + +required: + - compatible + - reg + - wakeup-source + - interrupts + - interrupt-controller + - "#interrupt-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + charger@53 { + compatible = "richtek,rt9471"; + reg = <0x53>; + ceb-gpios = <&gpio26 1 0>; + wakeup-source; + interrupts-extended = <&gpio1 32 IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + #interrupt-cells = <1>; + + usb-otg-vbus-regulator { + regulator-compatible = "usb-otg-vbus"; + regulator-min-microvolt = <4850000>; + regulator-max-microvolt = <5300000>; + }; + }; + }; -- 2.7.4
