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Date: Wed, 27 Oct 2021 07:42:12 +0000
From: Nathan Rossi <nathan@...hanrossi.com>
To: linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Nathan Rossi <nathan@...hanrossi.com>,
Nathan Rossi <nathan.rossi@...i.com>,
Guenter Roeck <linux@...ck-us.net>,
Jean Delvare <jdelvare@...e.com>,
Rob Herring <robh+dt@...nel.org>
Subject: [PATCH v2 2/3] dt-bindings: hwmon: ti,ina2xx: Add ti,shunt-gain property
From: Nathan Rossi <nathan.rossi@...i.com>
Add a property to the binding to define the selected shunt voltage gain.
This specifies the range and accuracy that applies to the shunt circuit.
This property only applies to devices that have a selectable shunt
voltage range via PGA or ADCRANGE register configuration.
Signed-off-by: Nathan Rossi <nathan.rossi@...i.com>
---
Changes in v2:
- Added binding for shunt-gain
---
Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
index 180573f26c..6a70e2fe9d 100644
--- a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
+++ b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
@@ -36,6 +36,12 @@ properties:
Shunt resistor value in micro-Ohm.
$ref: /schemas/types.yaml#/definitions/uint32
+ ti,shunt-gain:
+ description:
+ Programmable gain divisor for the shunt voltage accuracy and range. This
+ property only applies to devices that have configurable PGA/ADCRANGE.
+ enum: [1, 2, 4, 8]
+
required:
- compatible
- reg
---
2.33.0
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