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Subject[PATCH] dt-bindings: power/supply: Add ltc4162-l-charger
Date
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>
---
.../bindings/power/supply/ltc4162-l.yaml | 60 +++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml

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..a23dd6f3fae0
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml
@@ -0,0 +1,60 @@
+# 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:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Battery sense resistor in milli Ohm.
+ minimum: 1
+
+ lltc,rsnsi:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Input current sense resistor in milli Ohm.
+ minimum: 1
+
+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 = <10>;
+ lltc,rsnsi = <16>;
+ };
+ };
--
2.17.1
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