[PATCH v2 1/2] dt-bindings: power: supply: add adi,lt8491.yaml
From: John Erasmus Mari Geronimo
Date: Thu Sep 03 2026 - 07:02:28 EST
Add documentation for devicetree bindings for LT8491
Signed-off-by: John Erasmus Mari Geronimo <johnerasmusmari.geronimo@xxxxxxxxxx>
---
.../bindings/power/supply/adi,lt8491.yaml | 92 +++++++++++++++++++
MAINTAINERS | 6 ++
2 files changed, 98 insertions(+)
create mode 100644 Documentation/devicetree/bindings/power/supply/adi,lt8491.yaml
diff --git a/Documentation/devicetree/bindings/power/supply/adi,lt8491.yaml b/Documentation/devicetree/bindings/power/supply/adi,lt8491.yaml
new file mode 100644
index 0000000000000..bb364b48fee58
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/adi,lt8491.yaml
@@ -0,0 +1,92 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/adi,lt8491.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Linear Technology (Analog Devices) LT8491 Battery Charger
+
+maintainers:
+ - John Erasmus Mari Geronimo <johnerasmusmari.geronimo@xxxxxxxxxx>
+
+description: |
+ The LT8491 is a buck-boost switching regulator battery charger that implements
+ a constant-current constant-voltage (CCCV) charging profile used for most
+ battery types, including sealed lead-acid (SLA), flooded, gel and lithium-ion.
+
+ Specifications about the charger can be found at:
+ https://www.analog.com/en/products/lt8491.html
+
+allOf:
+ - $ref: power-supply.yaml#
+
+properties:
+ compatible:
+ enum:
+ - adi,lt8491
+
+ reg:
+ maxItems: 1
+
+ adi,rsense1-micro-ohms:
+ description: Resistance value of RSENSE1 in micro ohms.
+
+ adi,rimon-out-ohms:
+ description: Resistance value of RIMON_OUT in ohms.
+
+ adi,rsense2-micro-ohms:
+ description: Resistance value of RSENSE2 in micro ohms.
+
+ adi,rdaco-ohms:
+ description: Resistance value of RDACO1 + RDACO2 in ohms.
+
+ adi,rfbout1-ohms:
+ description: Resistance value of RFBOUT1 in ohms.
+
+ adi,rfbout2-ohms:
+ description: Resistance value of RFBOUT2 in ohms.
+
+ adi,rdaci-ohms:
+ description: Resistance value of RDACI1 + RDACI2 in ohms.
+
+ adi,rfbin2-ohms:
+ description: Resistance value of RFBIN2 in ohms.
+
+ adi,rfbin1-ohms:
+ description: Resistance value of RFBIN1 in ohms.
+
+required:
+ - compatible
+ - reg
+ - adi,rsense1-micro-ohms
+ - adi,rimon-out-ohms
+ - adi,rsense2-micro-ohms
+ - adi,rdaco-ohms
+ - adi,rfbout1-ohms
+ - adi,rfbout2-ohms
+ - adi,rdaci-ohms
+ - adi,rfbin2-ohms
+ - adi,rfbin1-ohms
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ battery-charger@10 {
+ compatible = "adi,lt8491";
+ reg = <0x10>;
+ adi,rsense1-micro-ohms = <5000>;
+ adi,rimon-out-ohms = <124000>;
+ adi,rsense2-micro-ohms = <3000>;
+ adi,rdaco-ohms = <64900>;
+ adi,rfbout1-ohms = <113000>;
+ adi,rfbout2-ohms = <10000>;
+ adi,rdaci-ohms = <7000>;
+ adi,rfbin2-ohms = <3480>;
+ adi,rfbin1-ohms = <102000>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 2fb1c75afd163..d79187312f789 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15170,6 +15170,12 @@ F: Documentation/devicetree/bindings/hwmon/pmbus/adi,lt3074.yaml
F: Documentation/hwmon/lt3074.rst
F: drivers/hwmon/pmbus/lt3074.c
+LT8491 BATTERY CHARGER DRIVER
+M: John Erasmus Mari Geronimo <johnerasmusmari.geronimo@xxxxxxxxxx>
+L: linux-pm@xxxxxxxxxxxxxxx
+S: Maintained
+F: Documentation/devicetree/bindings/power/supply/adi,lt8491.yaml
+
LTC1660 DAC DRIVER
M: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
L: linux-iio@xxxxxxxxxxxxxxx
--
2.34.1