linux-kernel - [PATCH 2/4] dt-bindings: power: supply: maxim,max77693: convert to dtschema

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Date:   Tue, 28 Dec 2021 17:39:28 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: [PATCH 2/4] dt-bindings: power: supply: maxim,max77693: convert to dtschema

Convert the Charger bindings of Maxim MAX77693 MUIC to DT schema format.
The existing bindings were defined in ../bindings/mfd/max77693.txt.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
---
 .../bindings/power/supply/maxim,max77693.yaml | 70 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 71 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/supply/maxim,max77693.yaml

diff --git a/Documentation/devicetree/bindings/power/supply/maxim,max77693.yaml b/Documentation/devicetree/bindings/power/supply/maxim,max77693.yaml
new file mode 100644
index 000000000000..a21dc1a8890f
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/maxim,max77693.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/maxim,max77693.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX77693 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 MAX77693 MicroUSB Integrated
+  Circuit (MUIC).
+
+  See also Documentation/devicetree/bindings/mfd/maxim,max77693.yaml for
+  additional information and example.
+
+properties:
+  compatible:
+    const: maxim,max77693-charger
+
+  maxim,constant-microvolt:
+    description: |
+      Battery constant voltage in uV. The charger will operate in fast
+      charge constant current mode till battery voltage reaches this level.
+      Then the charger will switch to fast charge constant voltage mode.
+      Also vsys (system voltage) will be set to this value when DC power is
+      supplied but charger is not enabled.
+      Valid values: 3650000 - 4400000, step by 25000 (rounded down)
+    minimum: 3650000
+    maximum: 4400000
+    default: 4200000
+
+  maxim,min-system-microvolt:
+    description: |
+      Minimal system voltage in uV.
+    enum: [3000000, 3100000, 3200000, 3300000, 3400000, 3500000,
+           3600000, 3700000]
+    default: 3600000
+
+  maxim,thermal-regulation-celsius:
+    description: |
+      Temperature in Celsius for entering high temperature charging mode.
+      If die temperature exceeds this value the charging current will be
+      reduced by 105 mA/Celsius.
+    enum: [70, 85, 100, 115]
+    default: 100
+
+  maxim,battery-overcurrent-microamp:
+    description: |
+      Overcurrent protection threshold in uA (current from battery to
+      system).
+      Valid values: 2000000 - 3500000, step by 250000 (rounded down)
+    minimum: 2000000
+    maximum: 3500000
+    default: 3500000
+
+  maxim,charge-input-threshold-microvolt:
+    description: |
+      Threshold voltage in uV for triggering input voltage regulation loop.
+      If input voltage decreases below this value, the input current will
+      be reduced to reach the threshold voltage.
+    enum: [4300000, 4700000, 4800000, 4900000]
+    default: 4300000
+
+required:
+  - compatible
+
+additionalProperties: false
diff --git a/MAINTAINERS b/MAINTAINERS
index b5e4f14f6768..ead08768fb78 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,max77693.yaml
 F:	drivers/power/supply/max14577_charger.c
 F:	drivers/power/supply/max77693_charger.c
 
-- 
2.32.0