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Fri, 01 May 2026 15:14:20 -0700 (PDT) Received: from localhost.localdomain ([2600:1700:fb0:1bc0::54]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7ded51a9612sm1827337a34.26.2026.05.01.15.14.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 May 2026 15:14:20 -0700 (PDT) From: Chris Morgan To: linux-iio@vger.kernel.org Cc: andy@kernel.org, nuno.sa@analog.com, dlechner@baylibre.com, jic23@kernel.org, jean-baptiste.maneyrol@tdk.com, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, heiko@sntech.de, conor+dt@kernel.org, krzk+dt@kernel.org, robh@kernel.org, andriy.shevchenko@intel.com, Chris Morgan Subject: [PATCH V4 00/10] Add Invensense ICM42607 Date: Fri, 1 May 2026 17:11:39 -0500 Message-ID: <20260501221152.194251-1-macroalpha82@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Chris Morgan Add support for the ICM42607 IMU. This sensor shares the same functionality but a different register layout with the existing ICM42600. This driver should work with the ICM42607 and ICM42607P over both I2C and SPI, however only the ICM42607P over I2C could be tested. Changes Since V1: - Instead of creating a new driver, merged with the existing inv_icm42600 driver. This necessitated adding some code to the existing driver to permit using a different register layout for the same functionality. - Split changes up a bit more to decrease the size of the individual patches. Note that patch 0004 is still pretty hefty; if I need to split further I may need to create some temporary stub functions. - Used guard() and PM_RUNTIME_ACQUIRE_AUTOSUSPEND() on the new functions per Jonathan's recommendations. Changes Since V2: - Went back to using a new driver on advice from Invensense engineer. - Further split changes up into smaller chunks of functionality. Note still that the largest patch is approximately 900 lines, and that while the driver compiles cleanly at each commit it is not able to drive the hardware until the commit that adds the Interrupt (as it also adds the Makefile). - Change the error to a warning when the devicetree binding does not match the hardware ID. - Dropped the ack on the devicetree bindings, as I am creating a new file (for a new driver) instead of modifying the existing one. Changes Since V3: - Numerous small fixes (too many to list here). Thank you to everyone who provided feedback. - Split power management additions into an additional commit to break things up further. - Consolidated devicetree documentation in existing invensense,icm42600.yaml file. - Removed most of the FIELD_PREP from header file to c files to make code easier to read. - Changed scale values to 2D arrays for Gyro and Accelerometer. - Removed IIO_CHAN_INFO_CALIBBIAS attribute. Chris Morgan (10): dt-bindings: iio: imu: icm42600: Add icm42607 binding iio: imu: inv_icm42607: Add inv_icm42607 Core Driver iio: imu: inv_icm42607: Add I2C and SPI For icm42607 iio: imu: inv_icm42607: Add PM support for icm42607 iio: imu: inv_icm42607: Add Buffer support for icm42607 iio: imu: inv_icm42607: Add Temp Support in icm42607 iio: imu: inv_icm42607: Add Accelerometer for icm42607 iio: imu: inv_icm42607: Add Wake on Movement for icm42607 iio: imu: inv_icm42607: Add Gyroscope to icm42607 arm64: dts: rockchip: Add icm42607p IMU for RG-DS .../bindings/iio/imu/invensense,icm42600.yaml | 4 + .../dts/rockchip/rk3568-anbernic-rg-ds.dts | 20 +- drivers/iio/imu/Kconfig | 1 + drivers/iio/imu/Makefile | 1 + drivers/iio/imu/inv_icm42607/Kconfig | 30 + drivers/iio/imu/inv_icm42607/Makefile | 14 + drivers/iio/imu/inv_icm42607/inv_icm42607.h | 438 ++++++++ .../iio/imu/inv_icm42607/inv_icm42607_accel.c | 989 ++++++++++++++++++ .../imu/inv_icm42607/inv_icm42607_buffer.c | 559 ++++++++++ .../imu/inv_icm42607/inv_icm42607_buffer.h | 101 ++ .../iio/imu/inv_icm42607/inv_icm42607_core.c | 809 ++++++++++++++ .../iio/imu/inv_icm42607/inv_icm42607_gyro.c | 536 ++++++++++ .../iio/imu/inv_icm42607/inv_icm42607_i2c.c | 91 ++ .../iio/imu/inv_icm42607/inv_icm42607_spi.c | 97 ++ .../iio/imu/inv_icm42607/inv_icm42607_temp.c | 81 ++ .../iio/imu/inv_icm42607/inv_icm42607_temp.h | 30 + 16 files changed, 3800 insertions(+), 1 deletion(-) create mode 100644 drivers/iio/imu/inv_icm42607/Kconfig create mode 100644 drivers/iio/imu/inv_icm42607/Makefile create mode 100644 drivers/iio/imu/inv_icm42607/inv_icm42607.h create mode 100644 drivers/iio/imu/inv_icm42607/inv_icm42607_accel.c create mode 100644 drivers/iio/imu/inv_icm42607/inv_icm42607_buffer.c create mode 100644 drivers/iio/imu/inv_icm42607/inv_icm42607_buffer.h create mode 100644 drivers/iio/imu/inv_icm42607/inv_icm42607_core.c create mode 100644 drivers/iio/imu/inv_icm42607/inv_icm42607_gyro.c create mode 100644 drivers/iio/imu/inv_icm42607/inv_icm42607_i2c.c create mode 100644 drivers/iio/imu/inv_icm42607/inv_icm42607_spi.c create mode 100644 drivers/iio/imu/inv_icm42607/inv_icm42607_temp.c create mode 100644 drivers/iio/imu/inv_icm42607/inv_icm42607_temp.h -- 2.43.0