linux-kernel - [PATCH v8 0/5] iio: mcp9600: Features and improvements

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Message-Id: <20250822-upstream-changes-v8-0-40bb1739e3e2@watter.com>
Date: Fri, 22 Aug 2025 09:23:49 -0400
From: Ben Collins <bcollins@...ter.com>
To: Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, 
 Nuno Sá <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>, Andrew Hepp <andrew.hepp@...pp.dev>
Cc: linux-iio@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Ben Collins <bcollins@...ter.com>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
 Andy Shevchenko <abdy@...nel.org>
Subject: [PATCH v8 0/5] iio: mcp9600: Features and improvements

ChangeLog:
v7 -> v8:
  - Style changes in dt-bindings example
  - Simplify some return value checks
  - Move assignment to where it's checked
  - Speeling

v6 -> v7:
  - Separate out the mcp9600 IIR series into its own series as there is
    a lot of conversation around implementation (removed related
    comments from this changelog).

v5 -> v6:
  - Fix accidental typo added in dt-bindings: IRQ_TYPE_EDGE_RISIN
  - Correct some constraints in dt-bindings
  - Reverse if/then for mcp9601 vs mcp9600 constraints in dt-bindings
  - Updates to changelog for patch 2/6 (dt-bindings mcp9600)
  - Cleanup tabs that were converted to spaces
  - Split thermocouple-type default to separate patch

v4 -> v5:
  - None

v3 -> v4:
  - Based on feedback from David Lechner <dlechner@...libre.com>
    * Allow fallback compatible in dt-bindings for mcp9601.
  - Based on feedback from Jonathan Cameron <jic23@...nel.org>
    * Be explicit in patch description for fixed width changes.
    * Check chip_info for NULL to quiet warnings from kernel-test-robot
    * Remove "and similar" for long description of MCP9600.
  - Set default 3 for thermocouple in dt-binding
  - Rework open/short circuit in dt-bindings

v2 -> v3:
  - Improve changelogs in each patch
  - Based on feedback from Andy Shevchenko <andy.shevchenko@...il.com>
    * Set register offsets to fixed width
    * Fix typos
    * Future-proof Kconfig changes
    * Convert to using chip_info paradigm
    * Verbiage: dt -> firmware description
    * Use proper specifiers and drop castings
    * Fix register offset to be fixed-width
    * u8 for cfg var
    * Fix % type for u32 to be %u
    * Make blank lines consistent between case statements

v1 -> v2:
  - Break into individual patches

v1:
  - Initial patch to enable IIR and thermocouple-type
  - Recognize mcp9601

Signed-off-by: Ben Collins <bcollins@...ter.com>
---
- Link to v7: https://lore.kernel.org/r/20250819-upstream-changes-v7-0-88a33aa78f6a@watter.com

---
Ben Collins (5):
      dt-bindings: iio: mcp9600: Set default 3 for thermocouple-type
      dt-bindings: iio: mcp9600: Add microchip,mcp9601 and add constraints
      iio: mcp9600: White space and fixed width cleanup
      iio: mcp9600: Recognize chip id for mcp9601
      iio: mcp9600: Add support for thermocouple-type

 .../iio/temperature/microchip,mcp9600.yaml         |  57 +++++++-
 drivers/iio/temperature/Kconfig                    |   8 +-
 drivers/iio/temperature/mcp9600.c                  | 151 +++++++++++++++++----
 3 files changed, 187 insertions(+), 29 deletions(-)
---
base-commit: c17b750b3ad9f45f2b6f7e6f7f4679844244f0b9
change-id: 20250819-upstream-changes-c89af86743fa

Best regards,
-- 
Ben Collins <bcollins@...ter.com>