dt-bindings: power: supply: maxim,max14577: Convert to dtschema

Convert the Charger bindings of Maxim MAX14577/MAX77836 MUIC to DT
schema format.  The existing bindings were defined in
../bindings/mfd/max14577.txt.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220215074759.29402-2-krzysztof.kozlowski@canonical.com

diff --git a/Documentation/devicetree/bindings/power/supply/maxim,max14577.yaml b/Documentation/devicetree/bindings/power/supply/maxim,max14577.yaml
new file mode 100644 (file)
index 0000000..3978b48
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/maxim,max14577.yaml
@@ -0,0 +1,84 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/maxim,max14577.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX14577/MAX77836 MicroUSB and Companion Power Management IC Charger
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+
+description: |
+  This is a part of device tree bindings for Maxim MAX14577/MAX77836 MicroUSB
+  Integrated Circuit (MUIC).
+
+  See also Documentation/devicetree/bindings/mfd/maxim,max14577.yaml for
+  additional information and example.
+
+properties:
+  compatible:
+    enum:
+      - maxim,max14577-charger
+      - maxim,max77836-charger
+
+  maxim,constant-uvolt:
+    description:
+      Battery Constant Voltage in uV
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 4000000
+    maximum: 4350000
+
+  maxim,eoc-uamp:
+    description: |
+      Current in uA for End-Of-Charge mode.
+      MAX14577: 50000-20000
+      MAX77836: 5000-100000
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  maxim,fast-charge-uamp:
+    description: |
+      Current in uA for Fast Charge
+      MAX14577: 90000-950000
+      MAX77836: 45000-475000
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  maxim,ovp-uvolt:
+    description:
+      OverVoltage Protection Threshold in uV; In an overvoltage condition, INT
+      asserts and charging stops.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [6000000, 6500000, 7000000, 7500000]
+
+required:
+  - compatible
+  - maxim,constant-uvolt
+  - maxim,eoc-uamp
+  - maxim,fast-charge-uamp
+  - maxim,ovp-uvolt
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: maxim,max14577-charger
+    then:
+      properties:
+        maxim,eoc-uamp:
+          minimum: 50000
+          maximum: 200000
+        maxim,fast-charge-uamp:
+          minimum: 90000
+          maximum: 950000
+    else:
+      # max77836
+      properties:
+        maxim,eoc-uamp:
+          minimum: 5000
+          maximum: 100000
+        maxim,fast-charge-uamp:
+          minimum: 45000
+          maximum: 475000
+
+additionalProperties: false

diff --git a/MAINTAINERS b/MAINTAINERS
index 23202ad..636bd6d 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11710,6 +11710,7 @@ M:      Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
 M:     Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
 L:     linux-pm@vger.kernel.org
 S:     Supported
+F:     Documentation/devicetree/bindings/power/supply/maxim,max14577.yaml
 F:     drivers/power/supply/max14577_charger.c
 F:     drivers/power/supply/max77693_charger.c