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authorTim Harvey <tharvey@gateworks.com>2020-12-28 22:28:36 +0300
committerLee Jones <lee.jones@linaro.org>2021-02-08 16:54:18 +0300
commitc239fea18e5763e88f3b7184a1c16b30fba57aac (patch)
treec00ec8a218126006736f4f1f9c9cd636d82d8990 /Documentation/devicetree/bindings/mfd
parentf7b6732178e79ffb388aa343a7d0f63429d06204 (diff)
downloadlinux-c239fea18e5763e88f3b7184a1c16b30fba57aac.tar.xz
dt-bindings: mfd: gateworks-gsc: Add fan-tach mode
In 7497d4a66c59 ("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>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd')
-rw-r--r--Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml b/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml
index d08e8fe76446..5a1e8d21f7a0 100644
--- 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