linux-kernel - [PATCH v2 1/2] dt-bindings: iio: tyhx,hx9023s: Add performance tuning configuration

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Message-Id: <20240926-add-performance-tuning-configuration-v2-1-fdbb654f5767@gmail.com>
Date: Thu, 26 Sep 2024 00:40:17 +0800
From: Yasin Lee <yasin.lee.x@...il.com>
To: Jonathan Cameron <jic23@...nel.org>, 
 Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, yasin.lee.x@...look.com
Cc: linux-iio@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Yasin Lee <yasin.lee.x@...il.com>
Subject: [PATCH v2 1/2] dt-bindings: iio: tyhx,hx9023s: Add performance
 tuning configuration

When hardware design introduces significant sensor data noise,
performance can be improved by adjusting register settings.

Signed-off-by: Yasin Lee <yasin.lee.x@...il.com>
---
 .../bindings/iio/proximity/tyhx,hx9023s.yaml          | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml b/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml
index 64ce8bc8bd36..0673c40472bd 100644
--- a/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml
+++ b/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml
@@ -28,6 +28,18 @@ properties:
 
   vdd-supply: true
 
+  tyhx,performance-tuning:
+    description:
+      Optional, When hardware design introduces significant sensor data noise,
+      performance can be improved by adjusting register settings, including
+      but not limited to sample integration time and average sample count.
+      Performance tuning parameters represented as register address-value pairs.
+      The array consists of 8-bit values, where each pair represents a register
+      address followed by the value to be written to that register.
+    $ref: /schemas/types.yaml#/definitions/uint8-array
+    minItems: 2
+    maxItems: 512
+
   "#address-cells":
     const: 1
 
@@ -65,6 +77,13 @@ examples:
         interrupt-parent = <&pio>;
         interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
         vdd-supply = <&pp1800_prox>;
+        tyhx,performance-tuning = [00 00
+        02 17
+        0D 44
+        0E 44
+        0F 04
+        1F 65
+        21 65];
 
         #address-cells = <1>;
         #size-cells = <0>;

-- 
2.43.0