linux-kernel - [PATCH 2/2] dt-bindings: regulator: Document bindings for fan53880

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Message-Id: <20200630185203.22882-3-chf.fritz@googlemail.com>
Date:   Tue, 30 Jun 2020 20:52:03 +0200
From:   Christoph Fritz <chf.fritz@...glemail.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: [PATCH 2/2] dt-bindings: regulator: Document bindings for fan53880

Add device tree binding information for fan53880 regulator driver.

Signed-off-by: Christoph Fritz <chf.fritz@...glemail.com>
---
 .../bindings/regulator/onnn,fan53880.yaml     | 85 +++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/onnn,fan53880.yaml

diff --git a/Documentation/devicetree/bindings/regulator/onnn,fan53880.yaml b/Documentation/devicetree/bindings/regulator/onnn,fan53880.yaml
new file mode 100644
index 000000000000..eb61e04ef852
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/onnn,fan53880.yaml
@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/onnn,fan53880.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Onsemi FAN53880 PMIC
+
+maintainers:
+  - Christoph Fritz <chf.fritz@...glemail.com>
+
+description: |
+  The FAN53880 is an I2C porgrammable power management IC (PMIC)
+  that contains a BUCK (step-down converter), four low dropouts (LDO)
+  and one BOOST (step-up converter) output. It is designed for mobile
+  power applications.
+
+properties:
+  $nodename:
+    pattern: "pmic@[0-9a-f]{1,2}"
+  compatible:
+    enum:
+      - onnn,fan53880
+
+  reg:
+    maxItems: 1
+
+  VIN12-supply:
+    description: Input supply phandle(s) for LDO1 and LDO2
+
+  VIN3-supply:
+    description: Input supply phandle(s) for LDO3
+
+  VIN4-supply:
+    description: Input supply phandle(s) for LDO4
+
+  PVIN-supply:
+    description: Input supply phandle(s) for BUCK and BOOST
+
+  regulators:
+    type: object
+    $ref: regulator.yaml#
+    description: |
+      list of regulators provided by this controller, must be named
+      after their hardware counterparts LDO[1-4], BUCK and BOOST
+
+    patternProperties:
+      "^LDO[1-4]$":
+        type: object
+        $ref: regulator.yaml#
+
+      "^BUCK|BOOST$":
+        type: object
+        $ref: regulator.yaml#
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - regulators
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pmic@35 {
+            compatible = "onnn,fan53880";
+            reg = <0x35>;
+
+            PVIN-supply = <&fixreg_example_vcc>;
+
+            regulators {
+                BUCK {
+                    regulator-min-microvolt = <1200000>;
+                    regulator-max-microvolt = <1200000>;
+                };
+            };
+       };
+     };
+...
-- 
2.20.1