Samsung S2MU005 is a PMIC device which has LED controllers, an MUIC and
a battery charger. The battery charger is paired with an independent
device connected via I2C which can be used to access various metrics of
the battery. Document the device as a schema.
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
---
.../power/supply/samsung,s2mu005-fuel-gauge.yaml | 49 ++++++++++++++++++++++
1 file changed, 49 insertions(+)
diff --git a/Documentation/devicetree/bindings/power/supply/samsung,s2mu005-fuel-gauge.yaml b/Documentation/devicetree/bindings/power/supply/samsung,s2mu005-fuel-gauge.yaml
new file mode 100644
index 0000000000000..05e420316a26b
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/samsung,s2mu005-fuel-gauge.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/samsung,s2mu005-fuel-gauge.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Battery Fuel Gauge for Samsung S2M series PMICs
+
+maintainers:
+ - Kaustabh Chakraborty <kauschluss@disroot.org>
+
+allOf:
+ - $ref: power-supply.yaml#
+
+properties:
+ compatible:
+ enum:
+ - samsung,s2mu005-fuel-gauge
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ fuel-gauge@3b {
+ compatible = "samsung,s2mu005-fuel-gauge";
+ reg = <0x3b>;
+
+ interrupt-parent = <&gpa0>;
+ interrupts = <3 IRQ_TYPE_EDGE_BOTH>;
+
+ monitored-battery = <&battery>;
+ };
+ };
--
2.52.0