| Message ID | 20201102092039.16520-1-mike.looijmans@topic.nl |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v3] dt-bindings: power/supply: Add ltc4162-l-charger | expand |
On Mon, 02 Nov 2020 10:20:39 +0100, Mike Looijmans wrote: > Add support for the LTC4162-L Li-Ion battery charger. The driver allows > reading back telemetry and to set some charging options like the input > current limit. > > This adds the devicetree bindings. > > Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> > --- > v2: Use microohms, add lltc,cell-count > v3: Fix example dts to match description > resent, previous patch mail bounced > > .../bindings/power/supply/ltc4162-l.yaml | 69 +++++++++++++++++++ > 1 file changed, 69 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml > My bot found errors running 'make dt_binding_check' on your patch: yamllint warnings/errors: dtschema/dtc warnings/errors: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/power/supply/ltc4162-l.example.dt.yaml: battery-charger@68: 'lltc,rsnsb' is a required property From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/power/supply/ltc4162-l.example.dt.yaml: battery-charger@68: 'lltc,rsnsi' is a required property From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml See https://patchwork.ozlabs.org/patch/1392005 The base for the patch is generally the last rc1. Any dependencies should be noted. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit.
diff --git a/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml b/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml new file mode 100644 index 000000000000..c564019783ad --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (C) 2020 Topic Embedded Products +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/power/supply/ltc4162-l.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Linear Technology (Analog Devices) LTC4162-L Charger + +maintainers: + - Mike Looijmans <mike.looijmans@topic.nl> + +description: | + The LTC ® 4162-L is an advanced monolithic synchronous step-down switching + battery charger and PowerPath (TM) manager that seamlessly manages power + distribution between input sources such as wall adapters, backplanes, solar + panels, etc., and a rechargeable Lithium-Ion/Polymer battery. + + Specifications about the charger can be found at: + https://www.analog.com/en/products/ltc4162-s.html + +properties: + compatible: + enum: + - lltc,ltc4162-l + + reg: + maxItems: 1 + description: I2C address of the charger. + + lltc,rsnsb-micro-ohms: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Battery sense resistor in microohm. + minimum: 1000 + + lltc,rsnsi-micro-ohms: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Input current sense resistor in microohm. + minimum: 1000 + + lltc,cell-count: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Number of battery cells. If not provided, will be obtained from the chip + once the external power is applied. Omit this when the number of cells + is somewhat dynamic. Without it, several measurements will return 0 until + the charger is connected to an external supply. + +required: + - compatible + - reg + - lltc,rsnsb + - lltc,rsnsi + +additionalProperties: false + +examples: + - | + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + charger: battery-charger@68 { + compatible = "lltc,ltc4162-l"; + reg = <0x68>; + lltc,rsnsb-micro-ohms = <10000>; + lltc,rsnsi-micro-ohms = <16000>; + lltc,cell-count = <2>; + }; + };
Add support for the LTC4162-L Li-Ion battery charger. The driver allows reading back telemetry and to set some charging options like the input current limit. This adds the devicetree bindings. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> --- v2: Use microohms, add lltc,cell-count v3: Fix example dts to match description resent, previous patch mail bounced .../bindings/power/supply/ltc4162-l.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml