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

[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / mfd / gateworks-gsc.yaml

diff --git a/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml b/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml
index d08e8fe..5a1e8d2 100644 (file)
--- a/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml
+++ b/Documentation/devicetree/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