Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5;
Received-SPF: Fail (protection.outlook.com: domain of Wiwynn.com does not
 designate 211.20.1.79 as permitted sender) receiver=protection.outlook.com;
 client-ip=211.20.1.79; helo=localhost.localdomain;
From:   Delphine CC Chiu <Delphine_CC_Chiu@Wiwynn.com>
To:     patrick@stwcx.xyz, Delphine CC Chiu <Delphine_CC_Chiu@Wiwynn.com>,
        Jean Delvare <jdelvare@suse.com>,
        Guenter Roeck <linux@roeck-us.net>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>
Cc:     Conor Dooley <conor.dooley@microchip.com>,
        Jonathan Corbet <corbet@lwn.net>, linux-i2c@vger.kernel.org,
        linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org
Subject: [PATCH v6 1/2] dt-bindings: hwmon: Add lltc ltc4286 driver bindings
Date:   Tue, 21 Nov 2023 13:07:54 +0800
Message-Id: <20231121050757.2108786-2-Delphine_CC_Chiu@Wiwynn.com>
In-Reply-To: <20231121050757.2108786-1-Delphine_CC_Chiu@Wiwynn.com>
References: <20231121050757.2108786-1-Delphine_CC_Chiu@Wiwynn.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Nov 2023 05:08:06.9186
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: e6860b7a-f5eb-49ce-81b2-08dbea4fd9b9
X-MS-Exchange-CrossTenant-Id: da6e0628-fc83-4caf-9dd2-73061cbab167
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=da6e0628-fc83-4caf-9dd2-73061cbab167;Ip=[211.20.1.79];Helo=[localhost.localdomain]
X-MS-Exchange-CrossTenant-AuthSource: SG2PEPF000B66CC.apcprd03.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SI2PR04MB6147
X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID,
	DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,
	SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable
	autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Mon, 20 Nov 2023 21:08:48 -0800 (PST)

Add a device tree bindings for ltc4286 device.

Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@Wiwynn.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
---
Changelog:
  v6 - Add "---" under "Changelog" in commit message
     - Remove "shunt-resistor-micro-ohms" from required
  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          | 50 +++++++++++++++++++
 MAINTAINERS                                   | 10 ++++
 2 files changed, 60 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..98ca163d3486
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/lltc,ltc4286.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/lltc,ltc4286.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LTC4286 power monitors
+
+maintainers:
+  - Delphine CC Chiu <Delphine_CC_Chiu@Wiwynn.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
+
+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 ea790149af79..ff961f397e3e 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@Wiwynn.com>
+L:	linux-i2c@vger.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@analog.com>
 L:	linux-i2c@vger.kernel.org
-- 
2.25.1