linux-kernel - [PATCH 0/2] Make i.MX 93 ADC calibration params configurable

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Message-Id: <20250710073905.1105417-1-primoz.fiser@norik.com>
Date: Thu, 10 Jul 2025 09:39:02 +0200
From: Primoz Fiser <primoz.fiser@...ik.com>
To: Haibo Chen <haibo.chen@....com>,
	Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sa <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>
Cc: linux-iio@...r.kernel.org,
	imx@...ts.linux.dev,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	upstream@...ts.phytec.de,
	andrej.picej@...ik.com
Subject: [PATCH 0/2] Make i.MX 93 ADC calibration params configurable

The i.MX 93 ADC calibration parameters are configurable in the MCR
(Main Configuration Register). One can tweak bits:

 - MCR[AVGEN]: Enable calibration averaging function,
 - MCR[NRSMPL]: Select number of calibration samples,
 - MCR[TSAMP]: Select sample time of calibration conversions, 

Make it possible to configure those parameters via the corresponding
device-tree properties.

This patch series is based on the one we submitted in March 2024:
https://lore.kernel.org/linux-arm-kernel/20240320100407.1639082-1-andrej.picej@norik.com/

Changes since the original submission:
- rebase on linux-next
- reorder patches (bindings before users)
- fix checkpatch errors
- reword commit subject & body
- implement feedback from reviewers


Andrej Picej (2):
  dt-bindings: iio: adc: imx93: Add calibration properties
  iio: adc: imx93: Make calibration parameters configurable

 .../bindings/iio/adc/nxp,imx93-adc.yaml       | 21 ++++++
 drivers/iio/adc/imx93_adc.c                   | 75 +++++++++++++++++--
 2 files changed, 91 insertions(+), 5 deletions(-)

-- 
2.34.1