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From: Logan Shaw <logan.shaw@alliedtelesis.co.nz>
To: linux@roeck-us.net, jdelvare@suse.com, robh+dt@kernel.org
Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org, Joshua.Scott@alliedtelesis.co.nz,
	Chris.Packham@alliedtelesis.co.nz,
	logan.shaw@alliedtelesis.co.nz
Subject: [PATCH v6 2/2] dt-bindings: hwmon: (adt7475) Added missing adt7475 documentation
Date: Mon, 27 Jan 2020 11:10:14 +1300
Message-ID: <20200126221014.2978-3-logan.shaw@alliedtelesis.co.nz> (raw)
In-Reply-To: <20200126221014.2978-1-logan.shaw@alliedtelesis.co.nz>

Added a new file documenting the adt7475 devicetree and added the four
new properties to it.

Signed-off-by: Logan Shaw <logan.shaw@alliedtelesis.co.nz>
---
---
 .../devicetree/bindings/hwmon/adt7475.yaml    | 95 +++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/adt7475.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/adt7475.yaml b/Documentation/devicetree/bindings/hwmon/adt7475.yaml
new file mode 100644
index 000000000000..450da5e66e07
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/adt7475.yaml
@@ -0,0 +1,95 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/adt7475.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ADT7475 hwmon sensor
+
+maintainers:
+  - Jean Delvare <jdelvare@suse.com>
+
+description: |
+  The ADT7473, ADT7475, ADT7476, and ADT7490 are thermal monitors and multiple
+  PWN fan controllers.
+
+  They support monitoring and controlling up to four fans (the ADT7490 can only
+  control up to three). They support reading a single on chip temperature
+  sensor and two off chip temperature sensors (the ADT7490 additionally
+  supports measuring up to three current external temperature sensors with
+  series resistance cancellation (SRC)).
+
+  Datasheets:
+  https://www.onsemi.com/pub/Collateral/ADT7473-D.PDF
+  https://www.onsemi.com/pub/Collateral/ADT7475-D.PDF
+  https://www.onsemi.com/pub/Collateral/ADT7476-D.PDF
+  https://www.onsemi.com/pub/Collateral/ADT7490-D.PDF
+
+  Description taken from omsemiconductors specification sheets, with minor
+  rephrasing.
+
+properties:
+  compatible:
+    enum:
+      - adi,adt7473
+      - adi,adt7475
+      - adi,adt7476
+      - adi,adt7490
+
+  reg:
+    maxItems: 1
+
+  bypass-attenuator-in0:
+    description: |
+      Configures bypassing the individual voltage input
+      attenuator, on in0. This is supported on the ADT7476 and ADT7490.
+      If set to a non-zero integer the attenuator is bypassed, if set to
+      zero the attenuator is not bypassed. If the property is absent then
+      the config register is not modified.
+    maxItems: 1
+
+  bypass-attenuator-in1:
+    description: |
+      Configures bypassing the individual voltage input
+      attenuator, on in1. This is supported on the ADT7473, ADT7475,
+      ADT7476 and ADT7490. If set to a non-zero integer the attenuator
+      is bypassed, if set to zero the attenuator is not bypassed. If the
+      property is absent then the config register is not modified.
+    maxItems: 1
+
+  bypass-attenuator-in3:
+    description: |
+      Configures bypassing the individual voltage input
+      attenuator, on in3. This is supported on the ADT7476 and ADT7490.
+      If set to a non-zero integer the attenuator is bypassed, if set to
+      zero the attenuator is not bypassed. If the property is absent then
+      the config register is not modified.
+    maxItems: 1
+
+  bypass-attenuator-in4:
+    description: |
+      Configures bypassing the individual voltage input
+      attenuator, on in4. This is supported on the ADT7476 and ADT7490.
+      If set to a non-zero integer the attenuator is bypassed, if set to
+      zero the attenuator is not bypassed. If the property is absent then
+      the config register is not modified.
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      hwmon@2e {
+        compatible = "adi,adt7476";
+        reg = <0x2e>;
+        bypass-attenuator-in0 = <1>;
+        bypass-attenuator-in1 = <0>;
+      };
+    };
+...
-- 
2.25.0


  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-26 22:10 [PATCH v6 0/2] hwmon: (adt7475) Added attenuator bypass support Logan Shaw
2020-01-26 22:10 ` [PATCH v6 1/2] " Logan Shaw
2020-01-26 22:10 ` Logan Shaw [this message]
2020-01-27 15:48   ` [PATCH v6 2/2] dt-bindings: hwmon: (adt7475) Added missing adt7475 documentation Rob Herring
2020-01-29  4:30     ` Logan Shaw
2020-01-29  9:51       ` Guenter Roeck
2020-01-29 17:27       ` Rob Herring
2020-01-29 23:52         ` Logan Shaw
2020-01-30  3:07     ` Logan Shaw
2020-02-05  0:48       ` Logan Shaw

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