linux-kernel - [PATCH v2 1/3] regulator: dt-bindings: Describe Maxim MAX20411

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Message-ID: <20230124184440.1421074-2-quic_bjorande@quicinc.com>
Date:   Tue, 24 Jan 2023 10:44:38 -0800
From:   Bjorn Andersson <quic_bjorande@...cinc.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
CC:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 1/3] regulator: dt-bindings: Describe Maxim MAX20411

Add binding for the Maxim MAX20411 step-down DC-DC converter.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
---

Changes since v1:
- Swapped "dt-bindings" and "regulator" in $subject
- Dropped maxItems from enable-gpios

 .../bindings/regulator/maxim,max20411.yaml    | 58 +++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/maxim,max20411.yaml

diff --git a/Documentation/devicetree/bindings/regulator/maxim,max20411.yaml b/Documentation/devicetree/bindings/regulator/maxim,max20411.yaml
new file mode 100644
index 000000000000..5b3a42d24e51
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/maxim,max20411.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/maxim,max20411.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated MAX20411 Step-Down DC-DC Converter
+
+maintainers:
+  - Bjorn Andersson <andersson@...nel.org>
+
+description:
+  The MAX20411 is a high-efficiency, DC-DC step-down converter. It provides
+  configurable output voltage in the range of 0.5V to 1.275V, configurable over
+  I2C.
+
+allOf:
+  - $ref: regulator.yaml#
+
+properties:
+  compatible:
+    const: maxim,max20411
+
+  reg:
+    maxItems: 1
+
+  enable-gpios:
+    description: GPIO connected to the EN pin, active high
+
+  vdd-supply:
+    description: Input supply for the device (VDD pin, 3.0V to 5.5V)
+
+required:
+  - compatible
+  - reg
+  - enable-gpios
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        regulator@39 {
+            compatible = "maxim,max20411";
+            reg = <0x39>;
+
+            enable-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
+
+            regulator-min-microvolt = <800000>;
+            regulator-max-microvolt = <1000000>;
+        };
+    };
+...
-- 
2.25.1