From: Mike Looijmans <mike.looijmans@topic.nl>
To: linux-pm@vger.kernel.org
Cc: Mike Looijmans <mike.looijmans@topic.nl>,
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 1/2] dt-bindings: power: supply: ltc3350-charger: Add bindings
Date: Mon, 8 Apr 2024 08:49:04 +0200 [thread overview]
Message-ID: <20240408064905.20298-1-mike.looijmans@topic.nl> (raw)
In-Reply-To: 1b153bce-a66a-45ee-a5c6-963ea6fb1c82.949ef384-8293-46b8-903f-40a477c056ae.3bc97c8f-843d-4e46-84f9-469b7ba2489d@emailsignatures365.codetwo.com
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>
---
.../bindings/power/supply/ltc3350.yaml | 55 +++++++++++++++++++
1 file changed, 55 insertions(+)
create mode 100644 Documentation/devicetree/bindings/power/supply/ltc3350.yaml
diff --git a/Documentation/devicetree/bindings/power/supply/ltc3350.yaml b/Documentation/devicetree/bindings/power/supply/ltc3350.yaml
new file mode 100644
index 000000000000..607a62fd25ba
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/ltc3350.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (C) 2024 Topic Embedded Products
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/ltc3350.yaml#
+$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 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
+ description: I2C address of the charger.
+
+ 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@topic.nl
W: www.topic.nl
Please consider the environment before printing this e-mail
next parent reply other threads:[~2024-04-08 6:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1b153bce-a66a-45ee-a5c6-963ea6fb1c82.949ef384-8293-46b8-903f-40a477c056ae.3bc97c8f-843d-4e46-84f9-469b7ba2489d@emailsignatures365.codetwo.com>
2024-04-08 6:49 ` Mike Looijmans [this message]
[not found] ` <1b153bce-a66a-45ee-a5c6-963ea6fb1c82.949ef384-8293-46b8-903f-40a477c056ae.f5e56a18-369f-4172-8599-96e9e62f7e25@emailsignatures365.codetwo.com>
2024-04-08 6:49 ` [PATCH 2/2] power: supply: ltc3350-charger: Add driver Mike Looijmans
2024-04-09 8:27 ` [PATCH 1/2] dt-bindings: power: supply: ltc3350-charger: Add bindings Krzysztof Kozlowski
2024-04-09 12:34 ` Mike Looijmans
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