[PATCH 1/2] dt-bindings: iio: adc: imx93: Add calibration properties

[Primoz Fiser <primoz.fiser@norik.com>]

From: Andrej Picej <andrej.picej@norik.com>

Document i.MX93 ADC calibration properties and how to set them.

Signed-off-by: Andrej Picej <andrej.picej@norik.com>
Signed-off-by: Primoz Fiser <primoz.fiser@norik.com>
---
 .../bindings/iio/adc/nxp,imx93-adc.yaml       | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml
index c2e5ff418920..d1c04cf85fe6 100644
--- a/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml
@@ -52,6 +52,27 @@ properties:
   "#io-channel-cells":
     const: 1
 
+  nxp,calib-avg-en:
+    default: 1
+    description:
+      Enable or disable calibration averaging function (AVGEN).
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 0, 1 ]
+
+  nxp,calib-nr-samples:
+    default: 512
+    description:
+      Selects number of samples (NRSMPL) to be used during calibration.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 16, 32, 128, 512 ]
+
+  nxp,calib-t-sample:
+    default: 22
+    description:
+      Selects sample time (TSAMP) of calibration conversions in ADC clock cycles
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 8, 16, 22, 32 ]
+
 required:
   - compatible
   - reg
-- 
2.34.1