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dt-bindings: mfd: gateworks-gsc: Add fan-tach mode

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In 7497d4a66c ("hwmon: (gsc-hwmon) add fan sensor") a mode
was added to report RPM's from a fan tach input.

Add this mode to the dt-bindings for the Gateworks System Controller.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Tim Harvey
2020-12-28 11:28:36 -08:00
committed by Lee Jones
parent f7b6732178
commit c239fea18e
1 changed files with 2 additions and 1 deletions
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3
Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml
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@@ -83,8 +83,9 @@ properties:
2 - scaled voltage based on an optional resistor divider
and optional offset
3 - pre-scaled 16-bit voltage value
4 - fan tach input to report RPM's
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2, 3]
enum: [0, 1, 2, 3, 4]
gw,voltage-divider-ohms:
description: Values of resistors for divider on raw ADC input