linux-kernel - [PATCH v5 1/2] dt-bindings: hwmon: Add lltc ltc4286 driver bindings

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Message-Id: <20231116023027.24855-2-Delphine_CC_Chiu@Wiwynn.com>
Date:   Thu, 16 Nov 2023 10:30:24 +0800
From:   Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
To:     patrick@...cx.xyz, Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Jonathan Corbet <corbet@....net>, linux-i2c@...r.kernel.org,
        linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Subject: [PATCH v5 1/2] dt-bindings: hwmon: Add lltc ltc4286 driver bindings

Add a device tree bindings for ltc4286 device.

Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>

-------------------------------------------------------------
Changelog:
  v5 - Add hyphen under "Changelog" in commit message
  v4 - Revise some inappropriate writing in yaml file
  v3 - Revise adi,vrange-select-25p6 to adi,vrange-low-enable
  v2 - Revise vrange_select_25p6 to adi,vrange-select-25p6
     - Add type for adi,vrange-select-25p6
     - Revise rsense-micro-ohms to shunt-resistor-micro-ohms
---
 .../bindings/hwmon/lltc,ltc4286.yaml          | 51 +++++++++++++++++++
 MAINTAINERS                                   | 10 ++++
 2 files changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml b/Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml
new file mode 100644
index 000000000000..d26f34fb7ea7
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/lltc,ltc4286.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LTC4286 power monitors
+
+maintainers:
+  - Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
+
+properties:
+  compatible:
+    enum:
+      - lltc,ltc4286
+      - lltc,ltc4287
+
+  reg:
+    maxItems: 1
+
+  adi,vrange-low-enable:
+    description:
+      This property is a bool parameter to represent the
+      voltage range is 25.6 volts or 102.4 volts for this chip.
+      The default is 102.4 volts.
+    type: boolean
+
+  shunt-resistor-micro-ohms:
+    description:
+      Resistor value micro-ohms.
+
+required:
+  - compatible
+  - reg
+  - shunt-resistor-micro-ohms
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        power-monitor@40 {
+            compatible = "lltc,ltc4286";
+            reg = <0x40>;
+            adi,vrange-low-enable;
+            shunt-resistor-micro-ohms = <300>;
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 5c9f868e13b6..2a73a7c0f160 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12628,6 +12628,16 @@ S:	Maintained
 F:	Documentation/hwmon/ltc4261.rst
 F:	drivers/hwmon/ltc4261.c
 
+LTC4286 HARDWARE MONITOR DRIVER
+M:	Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
+L:	linux-i2c@...r.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml
+F:	Documentation/devicetree/bindings/hwmon/ltc4286.rst
+F:	drivers/hwmon/pmbus/Kconfig
+F:	drivers/hwmon/pmbus/Makefile
+F:	drivers/hwmon/pmbus/ltc4286.c
+
 LTC4306 I2C MULTIPLEXER DRIVER
 M:	Michael Hennerich <michael.hennerich@...log.com>
 L:	linux-i2c@...r.kernel.org
-- 
2.25.1