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-rw-r--r--sys/contrib/device-tree/Bindings/mfd/gateworks-gsc.yaml3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/contrib/device-tree/Bindings/mfd/gateworks-gsc.yaml b/sys/contrib/device-tree/Bindings/mfd/gateworks-gsc.yaml
index d08e8fe76446..5a1e8d21f7a0 100644
--- a/sys/contrib/device-tree/Bindings/mfd/gateworks-gsc.yaml
+++ b/sys/contrib/device-tree/Bindings/mfd/gateworks-gsc.yaml
@@ -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