linux-kernel - [PATCH 1/2] dt-bindings: iio: sx9324: Add CS idle/sleep mode

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Date:   Mon,  2 May 2022 17:41:55 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        devicetree@...r.kernel.org, linux-iio@...r.kernel.org,
        Gwendal Grignou <gwendal@...omium.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>
Subject: [PATCH 1/2] dt-bindings: iio: sx9324: Add CS idle/sleep mode

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).

Cc: Gwendal Grignou <gwendal@...omium.org>
Signed-off-by: Stephen Boyd <swboyd@...omium.org>
---
 .../devicetree/bindings/iio/proximity/semtech,sx9324.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
index d265eb5258c8..6cec3481c8b2 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:
+      - hz
+      - gnd
+      - vdd
+
   semtech,int-comp-resistor:
     description:
       Internal resistor setting for compensation.
-- 
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