From mboxrd@z Thu Jan 1 00:00:00 1970 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 409EB27A45C; Wed, 20 Aug 2025 14:24:46 +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=K0Nk/uxd9YK1ro6rw8vbnjSpIKtRfizDTRXvi8pkwJ6Gg1jwibV42V06zh307m9/HHuTu2Z/ClqBwTVV3YKGP/EsvtrSIqWNT8h6M99LETpt5Kys0n/9SUr53geS6DvlE9FehHrEB/eRypiI23ousijNtkhatrGoSMuL95VjifQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755699886; c=relaxed/simple; bh=qLy7Mfk1fO5OlX68MtQ114jWdx58MPhXCI22IADztoA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=DfyUbrim96kCiDsEyNDUvEnmxCHorw3/7ZjrzIqEEnCCCnYDTwP3TZFDrK132gQLkn2V8GccsNl42G0lbl9Wufd66l+SB+eQ8LSWJg6+t0WKoDmxwnGRAdHNBrGsb0OuoAj20WGHuun6E5LMzxf+kxGjoknvXuFYV4ARrSirsAk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tcaeBTVp; 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="tcaeBTVp" Received: by smtp.kernel.org (Postfix) with ESMTPS id C7A8EC116B1; 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=qLy7Mfk1fO5OlX68MtQ114jWdx58MPhXCI22IADztoA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=tcaeBTVp5C98gOu0P3njLmdAeJrejGHqMPFDXq1hpQML0wTcRjym3zgxL+8p42piY tahDyF4Vqw5ai1FeBu48tM3hNRHNaAqt0BpcXa8Ic90khYh9sUzc1ceeKzmSTxW9Ma Ue1/CGvuCvgXDzfGo+K2Ju1so7vstOG+fE3BAqE9Lk4OYi9KW5wOcG/YhKk7sUm0qL tWKaqRar92LpNgptFpZGHsq+lNE4IDsaT5hNBbYUO2MAjhbkysD/HwHy8GQw5K7u+X O1XPHGl606mF2BBYFtNMz+gdudlygRjRi6znz6msm0nrVVzVWAiOQQ+OpqO30Q606h +F5moe+PuYexA== 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 BFDB5CA0EFC; Wed, 20 Aug 2025 14:24:45 +0000 (UTC) From: Remi Buisson via B4 Relay Date: Wed, 20 Aug 2025 14:24:26 +0000 Subject: [PATCH v5 8/9] iio: imu: inv_icm45600: add I3C driver for inv_icm45600 driver Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250820-add_newport_driver-v5-8-2fc9f13dddee@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=4440; i=remi.buisson@tdk.com; s=20250411; h=from:subject:message-id; bh=buF0oQQr9kLsJS6bFDnI6ITH4jX267a+LRmeoFoV7CA=; b=eZSt+bc7HdLTTtf361vUV4of9OxS4Vp8je+yW0lqvlN6Q8Hoh7cFskPicaZiLjmp1t4aBTO+B xIKhFcDk7moD9KNhitUNCKwYv3UcAHLDd/eeABKwCsOoJa+lVsf/TTz 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 | 77 +++++++++++++++++++++++++ 3 files changed, 101 insertions(+) diff --git a/drivers/iio/imu/inv_icm45600/Kconfig b/drivers/iio/imu/inv_icm45600/Kconfig index 01399d136a7ea3aa92a3a18ea455c95c0a6578b3..dc133402f6d75f8c050100e8475404e00993818b 100644 --- a/drivers/iio/imu/inv_icm45600/Kconfig +++ b/drivers/iio/imu/inv_icm45600/Kconfig @@ -47,3 +47,24 @@ config INV_ICM45600_SPI 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_icm45600/Makefile index 3692636d393a109a0ad68e955e1cad59005e9128..c98b8365b467de6abe9873e7ba3c0aca77f464e3 100644 --- a/drivers/iio/imu/inv_icm45600/Makefile +++ b/drivers/iio/imu/inv_icm45600/Makefile @@ -11,3 +11,6 @@ inv-icm45600-i2c-y += inv_icm45600_i2c.o obj-$(CONFIG_INV_ICM45600_SPI) += inv-icm45600-spi.o inv-icm45600-spi-y += inv_icm45600_spi.o + +obj-$(CONFIG_INV_ICM45600_I3C) += inv-icm45600-i3c.o +inv-icm45600-i3c-y += 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..e58de9c8a8b59682bec30d6de293a1adda8618e6 --- /dev/null +++ b/drivers/iio/imu/inv_icm45600/inv_icm45600_i3c.c @@ -0,0 +1,77 @@ +// 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 = { + .reg_bits = 8, + .val_bits = 8, +}; + +static const struct i3c_device_id inv_icm45600_i3c_ids[] = { + 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[] = { + &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 = ARRAY_SIZE(i3c_chip_info); + int chip; + + regmap = 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 = regmap_read(regmap, INV_ICM45600_REG_WHOAMI, &whoami); + if (ret) + return dev_err_probe(&i3cdev->dev, ret, "Failed to read part id %d\n", whoami); + + for (chip = 0; chip < nb_chip; chip++) { + if (whoami == i3c_chip_info[chip]->whoami) + break; + } + + if (chip == nb_chip) + dev_err_probe(&i3cdev->dev, -ENODEV, "Failed to match part id %d\n", whoami); + + return inv_icm45600_core_probe(regmap, i3c_chip_info[chip], false, NULL); +} + +static struct i3c_driver inv_icm45600_driver = { + .driver = { + .name = "inv_icm45600_i3c", + .pm = pm_sleep_ptr(&inv_icm45600_pm_ops), + }, + .probe = inv_icm45600_i3c_probe, + .id_table = 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"); -- 2.34.1