linux-kernel - [PATCH v3 1/2] regulator: rt6160: Add DT binding document for Richtek RT6160

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Date:   Wed, 19 May 2021 14:43:58 +0800
From:   cy_huang <u0084500@...il.com>
To:     lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org
Cc:     linux-kernel@...r.kernel.org, cy_huang@...htek.com,
        devicetree@...r.kernel.org
Subject: [PATCH v3 1/2] regulator: rt6160: Add DT binding document for Richtek RT6160

From: ChiYuan Huang <cy_huang@...htek.com>

Add DT binding document for Richtek RT6160 voltage regulator.

Signed-off-by: ChiYuan Huang <cy_huang@...htek.com>
---
since v3
- Move all regulator related properties to the upper node.

since v2
- Move buckboost node from patternProperties to Properties.
---
 .../regulator/richtek,rt6160-regulator.yaml        | 61 ++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/richtek,rt6160-regulator.yaml

diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt6160-regulator.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt6160-regulator.yaml
new file mode 100644
index 00000000..0534b0d
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/richtek,rt6160-regulator.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/richtek,rt6160-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Richtek RT6160 BuckBoost converter
+
+maintainers:
+  - ChiYuan Huang <cy_huang@...htek.com>
+
+description: |
+  The RT6160 is a high-efficiency buck-boost converter that can provide
+  up to 3A output current from 2025mV to 5200mV. And it support the wide
+  input voltage range from 2200mV to 5500mV.
+
+  Datasheet is available at
+  https://www.richtek.com/assets/product_file/RT6160A/DS6160A-00.pdf
+
+allOf:
+  - $ref: regulator.yaml#
+
+properties:
+  compatible:
+    enum:
+      - richtek,rt6160
+
+  reg:
+    maxItems: 1
+
+  enable-gpios:
+    description: A connection of the 'enable' gpio line.
+    maxItems: 1
+
+  richtek,vsel-active-low:
+    description: |
+      Used to indicate the 'vsel' pin active level. if not specified, use
+      high active level as the default.
+    type: boolean
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      rt6160@75 {
+        compatible = "richtek,rt6160";
+        reg = <0x75>;
+        enable-gpios = <&gpio26 2 0>;
+        regulator-name = "rt6160-buckboost";
+        regulator-min-microvolt = <2025000>;
+        regulator-max-microvolt = <5200000>;
+      };
+    };
-- 
2.7.4