[PATCH v4 3/8] dt-bindings: iio: sx9324: Add precharge resistor setting

[Gwendal Grignou <gwendal@chromium.org>]

Allow configure the resistance used during precharge.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
---
Changes since v3:
- Added Review tags.

Changes since v2:
- Change kOhms into ohms.

Changes since v1:
- Suffix field with kOhms unit.

 .../bindings/iio/proximity/semtech,sx9324.yaml           | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
index b8a6ee16854ff..a22cad1507b6b 100644
--- a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
+++ b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
@@ -126,6 +126,14 @@ properties:
       UINT_MAX (4294967295) represents infinite. Other values
       represent 1-1/N.
 
+  semtech,input-precharge-resistor-ohms:
+    default: 4000
+    description:
+      Pre-charge input resistance in Ohm.
+      Rounded down to a 2000 Ohm multiple.
+    minimum: 0
+    maximum: 30000
+
 required:
   - compatible
   - reg
@@ -157,5 +165,6 @@ examples:
         semtech,ph01-proxraw-strength = <2>;
         semtech,ph23-proxraw-strength = <2>;
         semtech,avg-pos-strength = <64>;
+        semtech,input-precharge-resistor-ohms = <2000>;
       };
     };
-- 
2.35.1.1094.g7c7d902a7c-goog