linux-kernel - [PATCH 2/4] dt-bindings: power: supply: maxim,max14577: convert to dtschema

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Message-Id: <20211229141524.34174-3-krzysztof.kozlowski@canonical.com>
Date:   Wed, 29 Dec 2021 15:15:22 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Sebastian Reichel <sre@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: [PATCH 2/4] 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@...onical.com>
---
 .../bindings/power/supply/maxim,max14577.yaml | 84 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 85 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/supply/maxim,max14577.yaml

diff --git a/Documentation/devicetree/bindings/power/supply/maxim,max14577.yaml b/Documentation/devicetree/bindings/power/supply/maxim,max14577.yaml
new file mode 100644
index 000000000000..3978b48299de
--- /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@...onical.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 d1f8f312f322..13e21c229c5d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11681,6 +11681,7 @@ M:	Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
 M:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
 L:	linux-pm@...r.kernel.org
 S:	Supported
+F:	Documentation/devicetree/bindings/power/supply/maxim,max14577.yaml
 F:	Documentation/devicetree/bindings/power/supply/maxim,max77693.yaml
 F:	drivers/power/supply/max14577_charger.c
 F:	drivers/power/supply/max77693_charger.c
-- 
2.32.0