linux-kernel - [PATCH 2/6] dt-bindings: iio: pressure: honeywell,hsc030pa.yaml add sleep-mode

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Date: Wed, 10 Jan 2024 19:22:37 +0200
From: Petre Rodan <petre.rodan@...dimension.ro>
To: linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Petre Rodan <petre.rodan@...dimension.ro>,
	Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>
Subject: [PATCH 2/6] dt-bindings: iio: pressure: honeywell,hsc030pa.yaml add sleep-mode

Add sleep-mode property present in some custom chips.

This flag activates a special wakeup sequence prior to conversion.

Signed-off-by: Petre Rodan <petre.rodan@...dimension.ro>
---
 .../bindings/iio/pressure/honeywell,hsc030pa.yaml      | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml b/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml
index 89977b9f01cf..350da1d6991b 100644
--- a/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml
+++ b/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml
@@ -86,6 +86,15 @@ properties:
       Maximum pressure value the sensor can measure in pascal.
       To be specified only if honeywell,pressure-triplet is set to "NA".

+  honeywell,sleep-mode:
+    description: |
+      'Sleep Mode' is a special factory set mode of the chip that allows the
+      sensor to power down between measurements. It is implemented only on
+      special request, and it is an attribute not present in the HSC/SSC series
+      nomenclature.
+      Set in order to enable the special wakeup sequence prior to conversion.
+    $ref: /schemas/types.yaml#/definitions/flag
+
   vdd-supply:
     description:
       Provide VDD power to the sensor (either 3.3V or 5V depending on the chip)
@@ -140,6 +149,7 @@ examples:
             honeywell,pressure-triplet = "NA";
             honeywell,pmin-pascal = <0>;
             honeywell,pmax-pascal = <200000>;
+            //honeywell,sleep-mode;
         };
     };
 ...
--
2.41.0