We need to configure the sleep and idle mode of the CS pins for this device. Add a DT property to do this so pins are in a proper state during sleep (either hi-z, grounded, or pulled up to vdd). Reviewed-by: Gwendal Grignou <gwendal@xxxxxxxxxxxx> Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> --- .../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 d265eb5258c8..b3aa2ebf9661 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,cs-idle-sleep: + description: + State of CS pins during sleep mode and idle time. + enum: + - hi-z + - gnd + - vdd + semtech,int-comp-resistor: description: Internal resistor setting for compensation. @@ -187,5 +195,6 @@ examples: semtech,avg-pos-strength = <64>; semtech,int-comp-resistor = "lowest"; semtech,input-precharge-resistor-ohms = <2000>; + semtech,cs-idle-sleep = "gnd"; }; }; -- https://chromeos.dev