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From: Mike Looijmans <mike.looijmans@topic.nl>
To: linux-pm@vger.kernel.org
CC: Mike Looijmans <mike.looijmans@topic.nl>,
	Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Rob Herring <robh@kernel.org>,
	Sebastian Reichel <sre@kernel.org>,
	devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v3 1/2] dt-bindings: power: supply: ltc3350-charger: Add bindings
Date: Tue, 9 Apr 2024 15:54:40 +0200
Message-ID: <20240409135442.37732-1-mike.looijmans@topic.nl>
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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@topic.nl>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

---

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,ltc=
3350.yaml

diff --git a/Documentation/devicetree/bindings/power/supply/lltc,ltc3350.ya=
ml 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@topic.nl>
+
+description: |
+  The LTC3350 is a High Current Supercapacitor Backup Controller and Syste=
m
+  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 =3D <1>;
+      #size-cells =3D <0>;
+      charger: battery-charger@9 {
+        compatible =3D "lltc,ltc3350";
+        reg =3D <0x9>;
+        lltc,rsnsc-micro-ohms =3D <10000>;
+        lltc,rsnsi-micro-ohms =3D <10000>;
+      };
+    };
--=20
2.34.1


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