linux-kernel - [PATCH v3 1/2] dt-bindings: hwmon: pmbus: add lt3074

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Message-ID: <20250421-upstream-lt3074-v3-1-71636322f9fe@analog.com>
Date: Mon, 21 Apr 2025 20:18:18 +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 v3 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           | 50 ++++++++++++++++++++++
 MAINTAINERS                                        |  7 +++
 2 files changed, 57 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..bf028a8718f16618a3e7e6ab6d04242667a94173
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/pmbus/adi,lt3074.yaml
@@ -0,0 +1,50 @@
+# 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
+
+allOf:
+  - $ref: /schemas/regulator/regulator.yaml#
+
+properties:
+  compatible:
+    enum:
+      - adi,lt3074
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        regulator@6d {
+            compatible = "adi,lt3074";
+            reg = <0x6d>;
+            regulator-name = "vout";
+            regulator-max-microvolt = <1250000>;
+            regulator-min-microvolt = <1150000>;
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index c59316109e3f8feacf9628fd1065ed551c4250d5..cfbf4dca400e03fcfa34ac78051fdcd815477799 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13983,6 +13983,13 @@ 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