[PATCH 1/2] dt-bindings: iio: adc: imx93: Add calibration properties
Primoz Fiser
primoz.fiser at norik.com
Thu Jul 10 00:39:03 PDT 2025
From: Andrej Picej <andrej.picej at norik.com>
Document i.MX93 ADC calibration properties and how to set them.
Signed-off-by: Andrej Picej <andrej.picej at norik.com>
Signed-off-by: Primoz Fiser <primoz.fiser at 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
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