[PATCH v3 1/2] dt-bindings: power: supply: ltc3350-charger: Add bindings

From: Mike Looijmans
Date: Tue Apr 09 2024 - 09:56:53 EST


The LTC3350 is a backup power controller that can charge and monitor
a series stack of one to four supercapacitors.

Signed-off-by: Mike Looijmans <mike.looijmans@xxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

---

Changes in v3:
Fix $id after rename to lltc,ltc3350.yaml

Changes in v2:
Rename to lltc,ltc3350.yaml
Fix spaces and indentation

.../bindings/power/supply/lltc,ltc3350.yaml | 54 +++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 Documentation/devicetree/bindings/power/supply/lltc,ltc3350.yaml

diff --git a/Documentation/devicetree/bindings/power/supply/lltc,ltc3350.yaml b/Documentation/devicetree/bindings/power/supply/lltc,ltc3350.yaml
new file mode 100644
index 000000000000..dca7fe0f0d8f
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/lltc,ltc3350.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (C) 2024 Topic Embedded Products
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/lltc,ltc3350.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Linear Technology (Analog Devices) LTC3350 Supercap Charger
+
+maintainers:
+ - Mike Looijmans <mike.looijmans@xxxxxxxx>
+
+description: |
+ The LTC3350 is a High Current Supercapacitor Backup Controller and System
+ Monitor.
+ Specifications about the charger can be found at:
+ https://www.analog.com/en/products/ltc3350.html
+
+properties:
+ compatible:
+ enum:
+ - lltc,ltc3350
+
+ reg:
+ maxItems: 1
+
+ lltc,rsnsc-micro-ohms:
+ description: Capacitor charger sense resistor in microohm.
+ minimum: 1000
+
+ lltc,rsnsi-micro-ohms:
+ description: Input current sense resistor in microohm.
+ minimum: 1000
+
+required:
+ - compatible
+ - reg
+ - lltc,rsnsc-micro-ohms
+ - lltc,rsnsi-micro-ohms
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ charger: battery-charger@9 {
+ compatible = "lltc,ltc3350";
+ reg = <0x9>;
+ lltc,rsnsc-micro-ohms = <10000>;
+ lltc,rsnsi-micro-ohms = <10000>;
+ };
+ };
--
2.34.1


Met vriendelijke groet / kind regards,

Mike Looijmans
System Expert


TOPIC Embedded Products B.V.
Materiaalweg 4, 5681 RJ Best
The Netherlands

T: +31 (0) 499 33 69 69
E: mike.looijmans@xxxxxxxx
W: www.topic.nl

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