From nobody Sun Sep 14 00:34:55 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4088127A134; Wed, 20 Aug 2025 14:24:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755699886; cv=none; b=PIAsuv+zh/cjAlNiZntnnBJf1HJOWE1YRKNlpJtZMGpIJoh8UxDJLyxLeLVPjaqWIsOYgs2SBdrpe1+9STfmZdqHfM6gYJrOYDLJ7UVflOhqHwEv4ssOriZtuSFJbRnHK6mS2dyszimYOsv3plg37cNlV6eInfSR1rDU1CX5hrI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755699886; c=relaxed/simple; bh=iad621vV49d+wv02UCcQ9so9zAeVhfhnBdchvCJXOp4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=BuGAfvYnb1bj3tN84Oog5QohdiS4NEgzQEclsZRQ/v7YBsGBR4x9dhqS8Nf6oMOjLsilpgVsAy2f/Wb+SwrYOTWJ7boQsOdGx1gMCqsmmG1HTomarmMpc/rAuVCiUgVLhWdg1ow2PasNo4Jbu4NcDewlxkcIGa5tfB+98BM6wDI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IJyDdefw; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IJyDdefw" Received: by smtp.kernel.org (Postfix) with ESMTPS id AE0C3C2BC9E; Wed, 20 Aug 2025 14:24:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755699885; bh=iad621vV49d+wv02UCcQ9so9zAeVhfhnBdchvCJXOp4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=IJyDdefwon57mZvbxGZoLDfDazTSsy5cXs3u7E64zaZzxwiixUYYPkKZ44Wm2n7BA 3oKzlqo8SoFxur8DlSDjcHaRJQ48BD83cues7uSfTV6+5HZK5yVHjBeXjISR8EdOIQ 37A3/GQb9vBgZYmksYuEJ3F3W6uSbd+q+ynt5uXe8h1f9Gs0PbyPaWm4UbwivQuM4J 2j8IKvNakrbwPR7TSRbN/bZN3204v9zUlzIk81P/9w5LGNY7VovFvR/3F17zhtn+Ih FsJjTXnx1ui4VPHdQmfl6PZ2HMfA+kiQ4Jqyhhx/mw8z1eATjziaGvi7k1/yLW5UD1 UZvulXaLiimoQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id A565ECA0EFE; Wed, 20 Aug 2025 14:24:45 +0000 (UTC) From: Remi Buisson via B4 Relay Date: Wed, 20 Aug 2025 14:24:24 +0000 Subject: [PATCH v5 6/9] iio: imu: inv_icm45600: add I2C driver for inv_icm45600 driver Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250820-add_newport_driver-v5-6-2fc9f13dddee@tdk.com> References: <20250820-add_newport_driver-v5-0-2fc9f13dddee@tdk.com> In-Reply-To: <20250820-add_newport_driver-v5-0-2fc9f13dddee@tdk.com> To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Remi Buisson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1755699883; l=5052; i=remi.buisson@tdk.com; s=20250411; h=from:subject:message-id; bh=sBMP9Nob/m9bf7U1Inc9JV4s0JfRRB/2JECgb0ifR6Q=; b=UWdfpEKOEjnzjiOaSTVNpDRGH9W3klFpS/3LnJFAIoQCkTK8YRA/JNpN2MmFxLH1caXRyZB4z nfrFPXIGHUlD8crYgeBkchllWsJWj3YdjCaJjtXbwtSwGhVUoSALjyi X-Developer-Key: i=remi.buisson@tdk.com; a=ed25519; pk=yDVMi4C7RpXN4dififo42A7fDDt3THYzoZoNq9lUZuo= X-Endpoint-Received: by B4 Relay for remi.buisson@tdk.com/20250411 with auth_id=372 X-Original-From: Remi Buisson Reply-To: remi.buisson@tdk.com From: Remi Buisson Add I2C driver for InvenSense ICM-456000 devices. Signed-off-by: Remi Buisson --- drivers/iio/imu/inv_icm45600/Kconfig | 21 ++++++ drivers/iio/imu/inv_icm45600/Makefile | 3 + drivers/iio/imu/inv_icm45600/inv_icm45600_i2c.c | 98 +++++++++++++++++++++= ++++ 3 files changed, 122 insertions(+) diff --git a/drivers/iio/imu/inv_icm45600/Kconfig b/drivers/iio/imu/inv_icm= 45600/Kconfig index ea0a8d20cba26549b74105fa6fdbca1ddb222633..5b044a954e952ffa8e44507eea4= 2872e1f3161bc 100644 --- a/drivers/iio/imu/inv_icm45600/Kconfig +++ b/drivers/iio/imu/inv_icm45600/Kconfig @@ -5,3 +5,24 @@ config INV_ICM45600 select IIO_BUFFER select IIO_KFIFO_BUF select IIO_INV_SENSORS_TIMESTAMP + +config INV_ICM45600_I2C + tristate "InvenSense ICM-456xx I2C driver" + depends on I2C + select INV_ICM45600 + select REGMAP_I2C + help + This driver supports the InvenSense ICM-456xx motion tracking + devices over I2C. + Supported devices: + - ICM-45605 + - ICM-45606 + - ICM-45608 + - ICM-45634 + - ICM-45686 + - ICM-45687 + - ICM-45688-P + - ICM-45689 + + This driver can be built as a module. The module will be called + inv-icm45600-i2c. diff --git a/drivers/iio/imu/inv_icm45600/Makefile b/drivers/iio/imu/inv_ic= m45600/Makefile index e34553d2b74dc46bb0f533d2bd0875655f91c781..c43e5d6ad3a2ddbd666d7763001= 5c440e740d969 100644 --- a/drivers/iio/imu/inv_icm45600/Makefile +++ b/drivers/iio/imu/inv_icm45600/Makefile @@ -5,3 +5,6 @@ inv-icm45600-y +=3D inv_icm45600_core.o inv-icm45600-y +=3D inv_icm45600_buffer.o inv-icm45600-y +=3D inv_icm45600_gyro.o inv-icm45600-y +=3D inv_icm45600_accel.o + +obj-$(CONFIG_INV_ICM45600_I2C) +=3D inv-icm45600-i2c.o +inv-icm45600-i2c-y +=3D inv_icm45600_i2c.o diff --git a/drivers/iio/imu/inv_icm45600/inv_icm45600_i2c.c b/drivers/iio/= imu/inv_icm45600/inv_icm45600_i2c.c new file mode 100644 index 0000000000000000000000000000000000000000..5ebc18121a11f8ad576efb4d4cf= 80091c13af31d --- /dev/null +++ b/drivers/iio/imu/inv_icm45600/inv_icm45600_i2c.c @@ -0,0 +1,98 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Copyright (C) 2025 InvenSense, Inc. */ + +#include +#include +#include +#include +#include +#include + +#include "inv_icm45600.h" + +static const struct regmap_config inv_icm45600_regmap_config =3D { + .reg_bits =3D 8, + .val_bits =3D 8, +}; + +static int inv_icm45600_probe(struct i2c_client *client) +{ + const struct inv_icm45600_chip_info *chip_info; + struct regmap *regmap; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) + return -ENODEV; + + chip_info =3D device_get_match_data(&client->dev); + if (!chip_info) + return -ENODEV; + + regmap =3D devm_regmap_init_i2c(client, &inv_icm45600_regmap_config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + return inv_icm45600_core_probe(regmap, chip_info, true, NULL); +} + +/* + * The device id table is used to identify which device is + * supported by this driver. + */ +static const struct i2c_device_id inv_icm45600_id[] =3D { + { "icm45605", (kernel_ulong_t)&inv_icm45605_chip_info }, + { "icm45606", (kernel_ulong_t)&inv_icm45606_chip_info }, + { "icm45608", (kernel_ulong_t)&inv_icm45608_chip_info }, + { "icm45634", (kernel_ulong_t)&inv_icm45634_chip_info }, + { "icm45686", (kernel_ulong_t)&inv_icm45686_chip_info }, + { "icm45687", (kernel_ulong_t)&inv_icm45687_chip_info }, + { "icm45688p", (kernel_ulong_t)&inv_icm45688p_chip_info }, + { "icm45689", (kernel_ulong_t)&inv_icm45689_chip_info }, + { } +}; +MODULE_DEVICE_TABLE(i2c, inv_icm45600_id); + +static const struct of_device_id inv_icm45600_of_matches[] =3D { + { + .compatible =3D "invensense,icm45605", + .data =3D &inv_icm45605_chip_info, + }, { + .compatible =3D "invensense,icm45606", + .data =3D &inv_icm45606_chip_info, + }, { + .compatible =3D "invensense,icm45608", + .data =3D &inv_icm45608_chip_info, + }, { + .compatible =3D "invensense,icm45634", + .data =3D &inv_icm45634_chip_info, + }, { + .compatible =3D "invensense,icm45686", + .data =3D &inv_icm45686_chip_info, + }, { + .compatible =3D "invensense,icm45687", + .data =3D &inv_icm45687_chip_info, + }, { + .compatible =3D "invensense,icm45688p", + .data =3D &inv_icm45688p_chip_info, + }, { + .compatible =3D "invensense,icm45689", + .data =3D &inv_icm45689_chip_info, + }, + { } +}; +MODULE_DEVICE_TABLE(of, inv_icm45600_of_matches); + +static struct i2c_driver inv_icm45600_driver =3D { + .driver =3D { + .name =3D "inv-icm45600-i2c", + .of_match_table =3D inv_icm45600_of_matches, + .pm =3D pm_ptr(&inv_icm45600_pm_ops), + }, + .id_table =3D inv_icm45600_id, + .probe =3D inv_icm45600_probe, +}; +module_i2c_driver(inv_icm45600_driver); + +MODULE_AUTHOR("InvenSense, Inc."); +MODULE_DESCRIPTION("InvenSense ICM-456xx I2C driver"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS("IIO_ICM45600"); --=20 2.34.1