linux-kernel - [PATCH v4 1/5] dt-bindings: hwmon: adi,ltc2945: Add binding

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Message-Id: <20230126-b4-ltc2945_shunt_resistor-v4-1-bb913470d8da@criticallink.com>
Date:   Thu, 26 Jan 2023 17:32:23 -0500
From:   Jonathan Cormier <jcormier@...ticallink.com>
To:     Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Bob Duke <bduke@...ticallink.com>,
        John Pruitt <jpruitt@...ticallink.com>,
        Jonathan Cormier <jcormier@...ticallink.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v4 1/5] dt-bindings: hwmon: adi,ltc2945: Add binding

Create initial binding for the LTC2945 I2C power monitor.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Jonathan Cormier <jcormier@...ticallink.com>
---
 .../devicetree/bindings/hwmon/adi,ltc2945.yaml     | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/adi,ltc2945.yaml b/Documentation/devicetree/bindings/hwmon/adi,ltc2945.yaml
new file mode 100644
index 000000000000..5cb66e97e816
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/adi,ltc2945.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/adi,ltc2945.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices LTC2945 wide range i2c power monitor
+
+maintainers:
+  - Guenter Roeck <linux@...ck-us.net>
+
+description: |
+  Analog Devices LTC2945 wide range i2c power monitor over I2C.
+
+  https://www.analog.com/media/en/technical-documentation/data-sheets/LTC2945.pdf
+
+properties:
+  compatible:
+    enum:
+      - adi,ltc2945
+
+  reg:
+    maxItems: 1
+
+  shunt-resistor-micro-ohms:
+    description:
+      Shunt resistor value in micro-Ohms
+    default: 1000
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        power-monitor@6e {
+            compatible = "adi,ltc2945";
+            reg = <0x6e>;
+            /* 10 milli-Ohm shunt resistor */
+            shunt-resistor-micro-ohms = <10000>;
+        };
+    };
+...

-- 
2.25.1