From nobody Thu Oct 2 03:36:23 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 39B6E2D7DF6; Wed, 24 Sep 2025 09:24:08 +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=1758705848; cv=none; b=D+G8GKtJpYsB4fww3VBEbAuK1AQL0MwcqzDAGJvT6eTDYHcBY4YKLRwZyDoVQAgE6T/wpa0coBijuivOwImRfUn4b3b84lFHkUccEyAONEdV0ihzOaX+49Uvsua4pvRDpnFpsGEtu0SsRZD86l4+Ul3pLY5KXm2Y2Kbnc0GBZ1M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758705848; c=relaxed/simple; bh=HKz52Qxv7/vmGKkuYj2Rs8JUxAtPacGsnm9vJj290DE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=M6RofGlvYWQE7hJR6qvvnXoW5ONU4ePnfxhi1vwHfjOLw2NUsjqLsTJdB8dC+MSC0nkcf5Fcg0T5Oc31AkXDULAwXrVdWCyzQx695kMnH/2g78DXKgVPraDWYdbMDpOOtmaDqK6jTqQvQRM/gZrOMTMg4L2mOB2NE1h5W5y5whM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=krApx7Tf; 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="krApx7Tf" Received: by smtp.kernel.org (Postfix) with ESMTPS id CDA0DC2BCFD; Wed, 24 Sep 2025 09:24:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758705847; bh=HKz52Qxv7/vmGKkuYj2Rs8JUxAtPacGsnm9vJj290DE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=krApx7Tf5rMuqf5ezHV+Y2HxlcVkAihZRvkQHABj+ZBsYIlYD9p6AVvHDlY0jPmYf w5daDXGUpkZlXsNwssg7HH4XmF2CXAK7IfnuvJud0qAmt6IturAskXdDwIjepKYrkm qDnOLPW62WzvYPBQSZqghVtloEcojnnedhtB2dL/htamwvZqh5fKt5IVSFq6pymzLz 2G4bD7f5HmvxfDNW63DdTzFJ7WLDzdAerZ9h8bdj8OipBLchbTWkiBIKfUILZELtlm Zly7wESoDtYAdmdZB9hLut31ZEETkUwDKTPkTqNKYr4+Zzbd9+c5urOM2yiPzopt1d ZtQh72BdvVeqQ== 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 C864ACAC5B0; Wed, 24 Sep 2025 09:24:07 +0000 (UTC) From: Remi Buisson via B4 Relay Date: Wed, 24 Sep 2025 09:24:01 +0000 Subject: [PATCH v6 8/9] iio: imu: inv_icm45600: add I3C 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: <20250924-add_newport_driver-v6-8-76687b9d8a6e@tdk.com> References: <20250924-add_newport_driver-v6-0-76687b9d8a6e@tdk.com> In-Reply-To: <20250924-add_newport_driver-v6-0-76687b9d8a6e@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=1758705845; l=4443; i=remi.buisson@tdk.com; s=20250411; h=from:subject:message-id; bh=ulJC5cZrbmgNFuVSQTVMJUGFEnE5if7UXY07LEl0pkE=; b=6CfAxC21JIFqppXR/tAk0L/v/dkHQJG86loV4qbLrOVbpUYrgwJOz/9vZswyMYbp9PE08tBM3 8yNAW2TCWV5CvTXtIKeZnvZsJ67PskenO4vcVvAHIB2Zw6uRjRIzjZ/ 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 I3C driver for InvenSense ICM-45600 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_i3c.c | 78 +++++++++++++++++++++= ++++ 3 files changed, 102 insertions(+) diff --git a/drivers/iio/imu/inv_icm45600/Kconfig b/drivers/iio/imu/inv_icm= 45600/Kconfig index 01399d136a7ea3aa92a3a18ea455c95c0a6578b3..dc133402f6d75f8c050100e8475= 404e00993818b 100644 --- a/drivers/iio/imu/inv_icm45600/Kconfig +++ b/drivers/iio/imu/inv_icm45600/Kconfig @@ -47,3 +47,24 @@ config INV_ICM45600_SPI =20 This driver can be built as a module. The module will be called inv-icm45600-spi. + +config INV_ICM45600_I3C + tristate "InvenSense ICM-456xx I3C driver" + depends on I3C + select INV_ICM45600 + select REGMAP_I3C + help + This driver supports the InvenSense ICM-456xx motion tracking + devices over I3C. + 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-i3c. diff --git a/drivers/iio/imu/inv_icm45600/Makefile b/drivers/iio/imu/inv_ic= m45600/Makefile index 3692636d393a109a0ad68e955e1cad59005e9128..c98b8365b467de6abe9873e7ba3= c0aca77f464e3 100644 --- a/drivers/iio/imu/inv_icm45600/Makefile +++ b/drivers/iio/imu/inv_icm45600/Makefile @@ -11,3 +11,6 @@ inv-icm45600-i2c-y +=3D inv_icm45600_i2c.o =20 obj-$(CONFIG_INV_ICM45600_SPI) +=3D inv-icm45600-spi.o inv-icm45600-spi-y +=3D inv_icm45600_spi.o + +obj-$(CONFIG_INV_ICM45600_I3C) +=3D inv-icm45600-i3c.o +inv-icm45600-i3c-y +=3D inv_icm45600_i3c.o diff --git a/drivers/iio/imu/inv_icm45600/inv_icm45600_i3c.c b/drivers/iio/= imu/inv_icm45600/inv_icm45600_i3c.c new file mode 100644 index 0000000000000000000000000000000000000000..b5df06b97d44e0e769a082751fd= ecd95cc10c5d8 --- /dev/null +++ b/drivers/iio/imu/inv_icm45600/inv_icm45600_i3c.c @@ -0,0 +1,78 @@ +// 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 const struct i3c_device_id inv_icm45600_i3c_ids[] =3D { + I3C_DEVICE_EXTRA_INFO(0x0235, 0x0000, 0x0011, (void *)NULL), + I3C_DEVICE_EXTRA_INFO(0x0235, 0x0000, 0x0084, (void *)NULL), + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(i3c, inv_icm45600_i3c_ids); + +static const struct inv_icm45600_chip_info *i3c_chip_info[] =3D { + &inv_icm45605_chip_info, + &inv_icm45606_chip_info, + &inv_icm45608_chip_info, + &inv_icm45634_chip_info, + &inv_icm45686_chip_info, + &inv_icm45687_chip_info, + &inv_icm45688p_chip_info, + &inv_icm45689_chip_info, +}; + +static int inv_icm45600_i3c_probe(struct i3c_device *i3cdev) +{ + int ret; + unsigned int whoami; + struct regmap *regmap; + const int nb_chip =3D ARRAY_SIZE(i3c_chip_info); + int chip; + + regmap =3D devm_regmap_init_i3c(i3cdev, &inv_icm45600_regmap_config); + if (IS_ERR(regmap)) + return dev_err_probe(&i3cdev->dev, PTR_ERR(regmap), + "Failed to register i3c regmap %ld\n", PTR_ERR(regmap)); + + ret =3D regmap_read(regmap, INV_ICM45600_REG_WHOAMI, &whoami); + if (ret) + return dev_err_probe(&i3cdev->dev, ret, "Failed to read part id %d\n", w= hoami); + + for (chip =3D 0; chip < nb_chip; chip++) { + if (whoami =3D=3D i3c_chip_info[chip]->whoami) + break; + } + + if (chip =3D=3D nb_chip) + dev_err_probe(&i3cdev->dev, -ENODEV, "Failed to match part id %d\n", who= ami); + + return inv_icm45600_core_probe(regmap, i3c_chip_info[chip], false, NULL); +} + +static struct i3c_driver inv_icm45600_driver =3D { + .driver =3D { + .name =3D "inv_icm45600_i3c", + .pm =3D pm_sleep_ptr(&inv_icm45600_pm_ops), + }, + .probe =3D inv_icm45600_i3c_probe, + .id_table =3D inv_icm45600_i3c_ids, +}; +module_i3c_driver(inv_icm45600_driver); + +MODULE_AUTHOR("Remi Buisson "); +MODULE_DESCRIPTION("InvenSense ICM-456xx i3c driver"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS("IIO_ICM45600"); --=20 2.34.1