The RT5033 PMIC provides a simple fuel gauge via I2C. Add a DT schema to describe how to set it up in the device tree. Note that although RT5033 is a MFD with lots of functionality (also charger, regulator, LEDs, ...) the fuel gauge has a separate I2C bus and is not part of the MFD. Cc: Beomho Seo <beomho.seo@xxxxxxxxxxx> Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx> --- .../power/supply/richtek,rt5033-battery.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/richtek,rt5033-battery.yaml diff --git a/Documentation/devicetree/bindings/power/supply/richtek,rt5033-battery.yaml b/Documentation/devicetree/bindings/power/supply/richtek,rt5033-battery.yaml new file mode 100644 index 000000000000..ae647d3355a2 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/richtek,rt5033-battery.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/power/supply/richtek,rt5033-battery.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Richtek RT5033 PMIC Fuel Gauge + +maintainers: + - Stephan Gerhold <stephan@xxxxxxxxxxx> + +allOf: + - $ref: power-supply.yaml# + +properties: + compatible: + const: richtek,rt5033-battery + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + battery@35 { + compatible = "richtek,rt5033-battery"; + reg = <0x35>; + }; + }; + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + battery@35 { + compatible = "richtek,rt5033-battery"; + reg = <0x35>; + interrupt-parent = <&msmgpio>; + interrupts = <121 IRQ_TYPE_EDGE_FALLING>; + }; + }; -- 2.31.1
