linux-kernel - Re: [PATCH v1 2/3] dt-bindings: iio: imu: smi330: Add binding

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Message-ID: <20250506-supply-machine-ad65dbc84cb7@spud>
Date: Tue, 6 May 2025 17:19:01 +0100
From: Conor Dooley <conor@...nel.org>
To: Jianping.Shen@...bosch.com
Cc: jic23@...nel.org, lars@...afoo.de, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, dima.fedrau@...il.com,
	marcelo.schmitt1@...il.com, linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Christian.Lorenz3@...bosch.com, Ulrike.Frauendorf@...bosch.com,
	Kai.Dolde@...bosch.com
Subject: Re: [PATCH v1 2/3] dt-bindings: iio: imu: smi330: Add binding

On Mon, May 05, 2025 at 05:16:40PM +0200, Jianping.Shen@...bosch.com wrote:
> From: Jianping Shen <Jianping.Shen@...bosch.com>
> 
> Add devicetree binding for Bosch imu smi330.
> The smi330 is a combined three axis angular rate and
> three axis acceleration sensor module.
> 
> Signed-off-by: Jianping Shen <Jianping.Shen@...bosch.com>
> ---
>  .../bindings/iio/imu/bosch,smi330.yaml        | 89 +++++++++++++++++++
>  1 file changed, 89 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/imu/bosch,smi330.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/imu/bosch,smi330.yaml b/Documentation/devicetree/bindings/iio/imu/bosch,smi330.yaml
> new file mode 100644
> index 00000000000..fb65bd26ada
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/imu/bosch,smi330.yaml
> @@ -0,0 +1,89 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/imu/bosch,smi330.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Bosch SMI330 6-Axis IMU
> +
> +maintainers:
> +  - Stefan Gutmann <stefam.gutmann@...bosch.com>
> +
> +description:
> +  SMI330 is a 6-axis inertial measurement unit that supports acceleration and
> +  gyroscopic measurements with hardware fifo buffering. Sensor also provides
> +  events information such as motion, no-motion and tilt detection.
> +
> +properties:
> +  compatible:
> +    const: bosch,smi330
> +
> +  reg:
> +    maxItems: 1
> +
> +  vdd-supply:
> +    description: provide VDD power to the sensor.
> +
> +  vddio-supply:
> +    description: provide VDD IO power to the sensor.
> +
> +  interrupts:
> +    minItems: 1
> +    maxItems: 2
> +
> +  interrupt-names:
> +    minItems: 1
> +    maxItems: 2
> +    items:
> +      enum:
> +        - INT1
> +        - INT2
> +
> +  drive-open-drain:

This property is missing a type, no? boolean or flag

> +    description:
> +      set if the specified interrupt pin should be configured as
> +      open drain. If not set, defaults to push-pull.

What "specified interrupt pin"? You've got two interrupts, does this
apply to one? Both?

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