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dt-bindings: hwmon: ti,ina2xx: Add ti,alert-polarity-active-high property

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Add a property to the binding to configure the Alert Polarity.
Alert pin is asserted based on the value of Alert Polarity bit of
Mask/Enable register. It is by default 0 which means Alert pin is
configured to be active low open collector. Value of 1 maps to
Inverted (active high open collector).

Signed-off-by: Amna Waseem <Amna.Waseem@axis.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240603-apol-ina2xx-fix-v3-1-b9eff3158e4e@axis.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Amna Waseem 2024-06-03 12:08:34 +02:00 committed by Guenter Roeck
parent cbbb76e4b8
commit 94e33109f9
1 changed files with 9 additions and 0 deletions
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9
Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
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@ -66,6 +66,14 @@ properties:
description: phandle to the regulator that provides the VS supply typically
in range from 2.7 V to 5.5 V.
ti,alert-polarity-active-high:
description: Alert pin is asserted based on the value of Alert polarity Bit
of Mask/Enable register. Default value is Normal (0 which maps to
active-low open collector). The other value is Inverted
(1 which maps to active-high open collector). Specify this property to set
the alert polarity to active-high.
$ref: /schemas/types.yaml#/definitions/flag
required:
- compatible
- reg
@ -88,5 +96,6 @@ examples:
label = "vdd_3v0";
shunt-resistor = <1000>;
vs-supply = <&vdd_3v0>;
ti,alert-polarity-active-high;
};
};