linux-kernel - [PATCH v4 17/21] dt-bindings: hwmon: (mr75203) add "moortec,ts-series" property

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Message-ID: <20220906083356.21067-18-farbere@amazon.com>
Date:   Tue, 6 Sep 2022 08:33:52 +0000
From:   Eliav Farber <farbere@...zon.com>
To:     <jdelvare@...e.com>, <linux@...ck-us.net>, <robh+dt@...nel.org>,
        <p.zabel@...gutronix.de>, <rtanwar@...linear.com>,
        <linux-hwmon@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <farbere@...zon.com>, <hhhawa@...zon.com>, <jonnyc@...zon.com>,
        <andriy.shevchenko@...el.com>
Subject: [PATCH v4 17/21] dt-bindings: hwmon: (mr75203) add "moortec,ts-series" property

Add optional "moortec,ts-series" property to define the temperature
equation and coefficients that shall be used to convert the digital
output to value in milli-Celsius.
Supported series: 5 (default) and 6.

Series 5:
  T = G + H * (n / cal5 - 0.5) + J * F
Where: G = 60, H = 200, cal5 = 4094, J = -0.1, F = frequency clock in MHz

Series 6:
   T = G + H * (n / cal5 - 0.5)
Where: G = 57.4, H = 249.4, cal5 = 4096

Signed-off-by: Eliav Farber <farbere@...zon.com>
---
V4 -> V3:
- Remove constraints in free-form text descriptions.

V3 -> V2:
- New patch to introduce "moortec,ts-series" property.

 .../devicetree/bindings/hwmon/moortec,mr75203.yaml       | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml b/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml
index de92a21d5552..28656e9d9059 100644
--- a/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml
+++ b/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml
@@ -91,6 +91,15 @@ properties:
       Each channel should not appear more than once.
     $ref: /schemas/types.yaml#/definitions/uint8-array
 
+  moortec,ts-series:
+    description:
+      Definition of the temperature equation and coefficients that shall be
+      used to convert the digital output to value in milli-Celsius.
+    minimum: 5
+    maximum: 6
+    default: 5
+    $ref: /schemas/types.yaml#/definitions/uint32
+
 required:
   - compatible
   - reg
-- 
2.37.1