linux-kernel - [PATCH v4 08/13] dt-bindings: iio: temperature: ltc2983: change default excitation for custom thermistors

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Date:   Thu,  3 Nov 2022 15:00:36 +0200
From:   Cosmin Tanislav <demonsingur@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Nuno Sá <nuno.sa@...log.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Cosmin Tanislav <cosmin.tanislav@...log.com>
Subject: [PATCH v4 08/13] dt-bindings: iio: temperature: ltc2983: change default excitation for custom thermistors

From: Cosmin Tanislav <cosmin.tanislav@...log.com>

Excitation cannot be set to auto-range when using a custom thermistor
or Steinhart sensor type. Default it to 1000nA to match the driver
and remove the auto-range value from the enum.

Signed-off-by: Cosmin Tanislav <cosmin.tanislav@...log.com>
---
 .../bindings/iio/temperature/adi,ltc2983.yaml          | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml b/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
index b603219fb0c9..1b6a11f2aa9d 100644
--- a/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
+++ b/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
@@ -378,6 +378,11 @@ patternProperties:
             adi,sensor-type:
               const: 26
         then:
+          properties:
+            adi,excitation-current-nanoamp:
+              enum: [250, 500, 1000, 5000, 10000, 25000, 50000, 100000,
+                     250000, 500000, 1000000]
+              default: 1000
           required:
             - adi,custom-steinhart
       - if:
@@ -385,6 +390,11 @@ patternProperties:
             adi,sensor-type:
               const: 27
         then:
+          properties:
+            adi,excitation-current-nanoamp:
+              enum: [250, 500, 1000, 5000, 10000, 25000, 50000, 100000,
+                     250000, 500000, 1000000]
+              default: 1000
           required:
             - adi,custom-thermistor
 
-- 
2.38.1