linux-kernel - [PATCH v2 2/3] dt-binding: hwmon: Add documentation for ADM1177

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Message-ID: <20191219114127.21905-2-beniamin.bia@analog.com>
Date:   Thu, 19 Dec 2019 13:41:26 +0200
From:   Beniamin Bia <beniamin.bia@...log.com>
To:     <linux-hwmon@...r.kernel.org>
CC:     <Michael.Hennerich@...log.com>, <linux-kernel@...r.kernel.org>,
        <jdelvare@...e.com>, <linux@...ck-us.net>, <mark.rutland@....com>,
        <lgirdwood@...il.com>, <broonie@...nel.org>,
        <devicetree@...r.kernel.org>, <biabeniamin@...look.com>,
        Beniamin Bia <beniamin.bia@...log.com>
Subject: [PATCH v2 2/3] dt-binding: hwmon: Add documentation for ADM1177

Documentation for ADM1177 was added.

Signed-off-by: Beniamin Bia <beniamin.bia@...log.com>
---
Changes in v2:
-adi,r-sense-micro-ohms: replaced by shunt-resistor-micro-ohms 
 .../bindings/hwmon/adi,adm1177.yaml           | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml b/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
new file mode 100644
index 000000000000..65ef95328bc6
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/adi,adm1177.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
+
+maintainers:
+  - Michael Hennerich <michael.hennerich@...log.com>
+  - Beniamin Bia <beniamin.bia@...log.com>
+
+description: |
+  Analog Devices ADM1177 Hot Swap Controller and Digital Power Monitor
+  https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
+
+properties:
+  compatible:
+    enum:
+      - adi,adm1177
+
+  reg:
+    maxItems: 1
+
+  avcc-supply:
+    description:
+      Phandle to the Avcc power supply
+
+  shunt-resistor-micro-ohms:
+    description:
+      The value of curent sense resistor in microohms. If not provided,
+      the current reading and overcurrent alert is disabled.
+
+  adi,shutdown-threshold-microamp:
+    description:
+      Specifies the current level at which an over current alert occurs.
+      If not provided, the overcurrent alert is configured to max ADC range
+      based on shunt-resistor-micro-ohms.
+
+  adi,vrange-high-enable:
+    description:
+      Specifies which internal voltage divider to be used. A 1 selects
+      a 7:2 voltage divider while a 0 selects a 14:1 voltage divider.
+    type: boolean
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pwmon@5a {
+                compatible = "adi,adm1177";
+                reg = <0x5a>;
+		shunt-resistor-micro-ohms = <50000>; /* 50 mOhm */
+                adi,shutdown-threshold-microamp = <1059000>; /* 1.059 A */
+                adi,vrange-high-enable;
+        };
+    };
+...
-- 
2.17.1