[PATCH] bmi260: Add BMI260 IMU initial configuration data file

[PATCH] bmi260: Add BMI260 IMU initial configuration data file

[Justin Weiss]

Add initial configuration binary for the Bosch BMI260 IMU. This file
is used by the bmi270 driver in the IIO subsystem.

Signed-off-by: Justin Weiss <justin@justinweiss.com>
Tested-by: Cryolitia PukNgae <Cryolitia@gmail.com>
---
 WHENCE              |  41 +++++++++++++++++++++++++++++++++++++++++
 bmi260-init-data.fw | Bin 0 -> 8192 bytes
 2 files changed, 41 insertions(+)
 create mode 100644 bmi260-init-data.fw

diff --git a/WHENCE b/WHENCE
index d987f2b7..48cdf109 100644
--- a/WHENCE
+++ b/WHENCE
@@ -8493,3 +8493,44 @@ Version: ci_tag_ud202512_vpu_rc_20250306_1130
 Link: intel/vpu/vpu_40xx_v0.0.bin -> vpu_40xx_v1.bin
 
 License: Redistributable. See LICENSE.intel_vpu for details
+
+--------------------------------------------------------------------------
+
+Driver: bmi260 - Bosch BMI260 IMU configuration data
+File: bmi260-init-data.fw
+
+License:
+ Copyright (c) 2020 Bosch Sensortec GmbH. All rights reserved.
+
+ BSD-3-Clause
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ 3. Neither the name of the copyright holder nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+Originates from https://source.chromium.org/chromiumos/chromiumos/codesearch/+/main:src/platform/ec/third_party/bmi260/accelgyro_bmi260_config_tbin.h
+
+
diff --git a/bmi260-init-data.fw b/bmi260-init-data.fw
new file mode 100644
index 0000000000000000000000000000000000000000..b09241b79b23a707fc492b3283e1c83c342e05a2
GIT binary patch
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base-commit: 6a006cef10cebfaa282100a81cb45ad3a9212721
-- 
2.49.0

Re: [PATCH] bmi260: Add BMI260 IMU initial configuration data file

[Josh Boyer]

Hi Justin,

On Sun, Apr 13, 2025 at 5:15 PM Justin Weiss <justin@justinweiss.com> wrote:
>
> Add initial configuration binary for the Bosch BMI260 IMU. This file
> is used by the bmi270 driver in the IIO subsystem.
>
> Signed-off-by: Justin Weiss <justin@justinweiss.com>
> Tested-by: Cryolitia PukNgae <Cryolitia@gmail.com>
> ---
>  WHENCE              |  41 +++++++++++++++++++++++++++++++++++++++++
>  bmi260-init-data.fw | Bin 0 -> 8192 bytes
>  2 files changed, 41 insertions(+)
>  create mode 100644 bmi260-init-data.fw
>
> diff --git a/WHENCE b/WHENCE
> index d987f2b7..48cdf109 100644
> --- a/WHENCE
> +++ b/WHENCE
> @@ -8493,3 +8493,44 @@ Version: ci_tag_ud202512_vpu_rc_20250306_1130
>  Link: intel/vpu/vpu_40xx_v0.0.bin -> vpu_40xx_v1.bin
>
>  License: Redistributable. See LICENSE.intel_vpu for details
> +
> +--------------------------------------------------------------------------
> +
> +Driver: bmi260 - Bosch BMI260 IMU configuration data
> +File: bmi260-init-data.fw
> +
> +License:
> + Copyright (c) 2020 Bosch Sensortec GmbH. All rights reserved.
> +
> + BSD-3-Clause

The license doesn't go in WHENCE, it goes in a separate license file
which is then referenced from WHENCE.  It is also later installed onto
the target systems when installing linux-firmware.

> +
> + Redistribution and use in source and binary forms, with or without
> + modification, are permitted provided that the following conditions are met:
> +
> + 1. Redistributions of source code must retain the above copyright
> + notice, this list of conditions and the following disclaimer.
> +
> + 2. Redistributions in binary form must reproduce the above copyright
> + notice, this list of conditions and the following disclaimer in the
> + documentation and/or other materials provided with the distribution.
> +
> + 3. Neither the name of the copyright holder nor the names of its
> + contributors may be used to endorse or promote products derived from
> + this software without specific prior written permission.
> +
> + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
> + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
> + COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
> + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
> + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
> + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
> + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
> + IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> + POSSIBILITY OF SUCH DAMAGE.
> +
> +Originates from https://source.chromium.org/chromiumos/chromiumos/codesearch/+/main:src/platform/ec/third_party/bmi260/accelgyro_bmi260_config_tbin.h

Normally we'd look for submissions of firmware to be sent by the
company, or at least acked.  I doubt this will happen in this case.  I
dug into the cited project a bit and there's a non-public bug
https://issuetracker.google.com/issues/130415695 that is cited from
the initial submission
https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2086534
but that's not super helpful.

josh

> +
> +
> diff --git a/bmi260-init-data.fw b/bmi260-init-data.fw
> new file mode 100644
> index 0000000000000000000000000000000000000000..b09241b79b23a707fc492b3283e1c83c342e05a2
> GIT binary patch
> literal 8192
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>
>
> base-commit: 6a006cef10cebfaa282100a81cb45ad3a9212721
> --
> 2.49.0
>

Re: [PATCH] bmi260: Add BMI260 IMU initial configuration data file

[Justin Weiss]

Josh Boyer <jwboyer@kernel.org> writes:

>> +Driver: bmi260 - Bosch BMI260 IMU configuration data
>> +File: bmi260-init-data.fw
>> +
>> +License:
>> + Copyright (c) 2020 Bosch Sensortec GmbH. All rights reserved.
>> +
>> + BSD-3-Clause
>
> The license doesn't go in WHENCE, it goes in a separate license file
> which is then referenced from WHENCE.  It is also later installed onto
> the target systems when installing linux-firmware.
>

Thanks, I'll make that change.

>> +Originates from
>> https://source.chromium.org/chromiumos/chromiumos/codesearch/+/main:src/platform/ec/third_party/bmi260/accelgyro_bmi260_config_tbin.h
>
> Normally we'd look for submissions of firmware to be sent by the
> company, or at least acked.  I doubt this will happen in this case.  I
> dug into the cited project a bit and there's a non-public bug
> https://issuetracker.google.com/issues/130415695 that is cited from
> the initial submission
> https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2086534
> but that's not super helpful.

Unfortunately, I have not been able to get in touch with anyone from
Bosch on this. While searching for a contact, I did get an email
response from one of the particpants on the initial submission, who
said:

> Regarding the initialization config file, Bosch provided me with the
> LICENSE file that I submitted to the ChromiumOS codebase.

Justin

>
> josh
>