linux-kernel - [PATCH v2 1/3] dt-bindings: power: supply: add Maxim MAX77976 battery charger

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Date:   Mon,  8 Nov 2021 17:27:04 +0100
From:   Luca Ceresoli <luca@...aceresoli.net>
To:     linux-pm@...r.kernel.org
Cc:     Luca Ceresoli <luca@...aceresoli.net>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Randy Dunlap <rdunlap@...radead.org>
Subject: [PATCH v2 1/3] dt-bindings: power: supply: add Maxim MAX77976 battery charger

Add bindings for the Maxim MAX77976 I2C-controlled battery charger.

Signed-off-by: Luca Ceresoli <luca@...aceresoli.net>

---

Changes in v2:
- use power-supply.yaml and unevaluatedProperties (Sebastian Reichel)
---
 .../bindings/power/supply/maxim,max77976.yaml | 44 +++++++++++++++++++
 MAINTAINERS                                   |  5 +++
 2 files changed, 49 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/supply/maxim,max77976.yaml

diff --git a/Documentation/devicetree/bindings/power/supply/maxim,max77976.yaml b/Documentation/devicetree/bindings/power/supply/maxim,max77976.yaml
new file mode 100644
index 000000000000..675b9b26d233
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/maxim,max77976.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/maxim,max77976.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated MAX77976 Battery charger
+
+maintainers:
+  - Luca Ceresoli <luca@...aceresoli.net>
+
+description: |
+  The Maxim MAX77976 is a 19Vin / 5.5A, 1-Cell Li+ battery charger
+  configured via I2C.
+
+allOf:
+  - $ref: power-supply.yaml#
+
+properties:
+  compatible:
+    const: maxim,max77976
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      charger@6b {
+        compatible = "maxim,max77976";
+        reg = <0x6b>;
+      };
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index a6d670c58f3e..21b38ada178c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11409,6 +11409,11 @@ F:	Documentation/devicetree/bindings/*/*max77802.txt
 F:	drivers/regulator/max77802-regulator.c
 F:	include/dt-bindings/*/*max77802.h
 
+MAXIM MAX77976 BATTERY CHARGER
+M:	Luca Ceresoli <luca@...aceresoli.net>
+S:	Supported
+F:	Documentation/devicetree/bindings/power/supply/maxim,max77976.yaml
+
 MAXIM MUIC CHARGER DRIVERS FOR EXYNOS BASED BOARDS
 M:	Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
 M:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
-- 
2.25.1