From nobody Sat Sep 13 20:31:48 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 748B61B3F3D; Fri, 11 Apr 2025 13:28:42 +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=1744378122; cv=none; b=rCLA0LbqiK/DxodTejARRzr9znTaRbSGOl6sy6BmHOLPE7wN+MoJiF4I6yEdcOCEX9l2y8IBketWAUnuLXq54oxaetIESwLuVjAw1ynrsmuRFLKqinKtaLBJ8qWfGmIuRW/9o9illW5vn8gc6af8HSzZm1m7Ux3gZ1a+10RB8Ok= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744378122; c=relaxed/simple; bh=Hns3lEJU2PrajODTTCnU56xq9Xnx68YLhhUSEVwSqIo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=dQSoaT45vt72SPMeI7TWshBn+9Pw16EgT/pSzCwDY1o35jDJITkvGZF7KoEByyDC1lfBA2+ss5Q3S4d1DMErDhwot4006rM6XAHsTvyF1bztT8YsLcUQFHfTyVTxS4OYRJMQDBSfwCoJpaPlOyiazqPirWDhIMLAcJVEXjHcfVE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dJcieiro; 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="dJcieiro" Received: by smtp.kernel.org (Postfix) with ESMTPS id AA16CC4CEF3; Fri, 11 Apr 2025 13:28:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744378121; bh=Hns3lEJU2PrajODTTCnU56xq9Xnx68YLhhUSEVwSqIo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=dJcieiroiyGs2+dcWAinR2TXgzTG3fw3hHf51eXtiuHkbT411V78zj2CWFqVwFNy9 YMDgtTaW3Jr5Rqkyx5ik/5UAgaOM2VzObaMXIz4iUGvCqFdOMimA0oJvejXuC2mzNI +Rh7q1jM84ymY5RLxOiXNyXeyytgEWQusLIVNUqvxAv20hcVJXoB6/GH9kMcGz3Vbl F5RRQxjvpB8r020FHaify2HMiyzRUlPzDiNR88MAm+LTvZm09stgRPxB084FbAGgYJ pkfXyKeN+6P7j6iqjI7U87of6yJ9qg3xB4kIbMMfQT7fgfr5+OkukLM7PGA3fxzHDq zGsMB8wZlk1Ig== 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 9EC80C369AF; Fri, 11 Apr 2025 13:28:41 +0000 (UTC) From: Remi Buisson via B4 Relay Date: Fri, 11 Apr 2025 13:28:36 +0000 Subject: [PATCH 4/8] 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: <20250411-add_newport_driver-v1-4-15082160b019@tdk.com> References: <20250411-add_newport_driver-v1-0-15082160b019@tdk.com> In-Reply-To: <20250411-add_newport_driver-v1-0-15082160b019@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=1744378119; l=3115; i=remi.buisson@tdk.com; s=20250411; h=from:subject:message-id; bh=AAAjeWu8beshqeqWWoKXRzNOSHP5dILEmgEVvq21vZs=; b=r+DS/JcwPXMldmQvkfrQqwevn33FPPQWPoCJ9dxNeZC4oh0TXQdbl6GSrNwftU362KezarD96 389/OVBFAghCZCTmFEG3knzFzmwyYg/vkwzuoWCF7gtVTyyUxwGZTkC 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-456xxx devices. Signed-off-by: Remi Buisson --- drivers/iio/imu/inv_icm45600/inv_icm45600_i3c.c | 84 +++++++++++++++++++++= ++++ 1 file changed, 84 insertions(+) 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..da939a5da5da88cbbb4a41edd90= deae950cb9760 --- /dev/null +++ b/drivers/iio/imu/inv_icm45600/inv_icm45600_i3c.c @@ -0,0 +1,84 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2025 InvenSense, Inc. + */ + +#include +#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 uint8_t inv_icm45600_i3c_code[INV_CHIP_NB] =3D { + [INV_CHIP_ICM45605] =3D INV_ICM45600_WHOAMI_ICM45605, + [INV_CHIP_ICM45686] =3D INV_ICM45600_WHOAMI_ICM45686, + [INV_CHIP_ICM45688P] =3D INV_ICM45600_WHOAMI_ICM45688P, + [INV_CHIP_ICM45608] =3D INV_ICM45600_WHOAMI_ICM45608, + [INV_CHIP_ICM45634] =3D INV_ICM45600_WHOAMI_ICM45634, + [INV_CHIP_ICM45689] =3D INV_ICM45600_WHOAMI_ICM45689, + [INV_CHIP_ICM45606] =3D INV_ICM45600_WHOAMI_ICM45606, + [INV_CHIP_ICM45687] =3D INV_ICM45600_WHOAMI_ICM45687 +}; + +static int inv_icm45600_i3c_probe(struct i3c_device *i3cdev) +{ + int ret; + unsigned int whoami; + enum inv_icm45600_chip chip; + struct regmap *regmap; + + regmap =3D devm_regmap_init_i3c(i3cdev, &inv_icm45600_regmap_config); + if (IS_ERR(regmap)) { + dev_err(&i3cdev->dev, "Failed to register i3c regmap %ld\n", PTR_ERR(reg= map)); + return PTR_ERR(regmap); + } + + ret =3D regmap_read(regmap, INV_ICM45600_REG_WHOAMI, &whoami); + if (ret) { + dev_err(&i3cdev->dev, "Failed to read part id %d\n", whoami); + return ret; + } + + for (chip =3D INV_CHIP_ICM45605; chip < INV_CHIP_NB; chip++) { + if (whoami =3D=3D inv_icm45600_i3c_code[chip]) + break; + } + + if (chip =3D=3D INV_CHIP_NB) { + dev_err(&i3cdev->dev, "Failed to match part id %d\n", whoami); + return -ENODEV; + } + + return inv_icm45600_core_probe(regmap, 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