linux-kernel - [PATCH v2 1/2] dt-bindings: hwmon: pmbus: add lt3074

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Message-ID: <20250225-upstream-lt3074-v2-1-18ad10ba542e@analog.com>
Date: Tue, 25 Feb 2025 21:01:13 +0800
From: Cedric Encarnacion <cedricjustine.encarnacion@...log.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Jean Delvare <jdelvare@...e.com>,
        "Guenter Roeck" <linux@...ck-us.net>, Jonathan Corbet <corbet@....net>,
        "Delphine CC Chiu" <Delphine_CC_Chiu@...ynn.com>
CC: <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-hwmon@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-i2c@...r.kernel.org>,
        Cedric Encarnacion
	<cedricjustine.encarnacion@...log.com>
Subject: [PATCH v2 1/2] dt-bindings: hwmon: pmbus: add lt3074

Add Analog Devices LT3074 Ultralow Noise, High PSRR Dropout Linear
Regulator.

Signed-off-by: Cedric Encarnacion <cedricjustine.encarnacion@...log.com>
---
 .../bindings/hwmon/pmbus/adi,lt3074.yaml           | 64 ++++++++++++++++++++++
 MAINTAINERS                                        |  7 +++
 2 files changed, 71 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/adi,lt3074.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/adi,lt3074.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..714426fd655a8daa96e15e1f789743f36001ac7a
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/pmbus/adi,lt3074.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/pmbus/adi,lt3074.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices LT3074 voltage regulator
+
+maintainers:
+  - Cedric Encarnacion <cedricjustine.encarnacion@...log.com>
+
+description: |
+  The LT3074 is a low voltage, ultra-low noise and ultra-fast transient
+  response linear regulator. It allows telemetry for input/output voltage,
+  output current and temperature through the PMBus serial interface.
+
+  Datasheet:
+    https://www.analog.com/en/products/lt3074.html
+
+properties:
+  compatible:
+    enum:
+      - adi,lt3074
+
+  reg:
+    maxItems: 1
+
+  regulators:
+    type: object
+    description: |
+      list of regulators provided by this controller.
+
+    properties:
+      vout:
+        $ref: /schemas/regulator/regulator.yaml#
+        type: object
+
+        unevaluatedProperties: false
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        regulator@6d {
+            compatible = "adi,lt3074";
+            reg = <0x6d>;
+
+            regulators {
+                vcc_1v2: vout {
+                    regulator-name = "VCC_1V2";
+                };
+            };
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 896a307fa06545e2861abe46ea7029f9b4d3628e..4a59ee6a03919af6a48717a0ddddabc7241a9e63 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13687,6 +13687,13 @@ L:	linux-scsi@...r.kernel.org
 S:	Maintained
 F:	drivers/scsi/sym53c8xx_2/
 
+LT3074 HARDWARE MONITOR DRIVER
+M:	Cedric Encarnacion <cedricjustine.encarnacion@...log.com>
+L:	linux-hwmon@...r.kernel.org
+S:	Supported
+W:	https://ez.analog.com/linux-software-drivers
+F:	Documentation/devicetree/bindings/hwmon/pmbus/adi,lt3074.yaml
+
 LTC1660 DAC DRIVER
 M:	Marcus Folkesson <marcus.folkesson@...il.com>
 L:	linux-iio@...r.kernel.org

-- 
2.39.5