linux-kernel - Re: [PATCH v2 1/2] dt-bindings: iio: humidity: Add si7020 bindings

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Message-ID: <20220512175125.00001a5a@Huawei.com>
Date:   Thu, 12 May 2022 17:51:25 +0100
From:   Jonathan Cameron <Jonathan.Cameron@...wei.com>
To:     Eddie James <eajames@...ux.ibm.com>
CC:     <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <robh+dt@...nel.org>,
        <lars@...afoo.de>, <jic23@...nel.org>, <miltonm@...ibm.com>,
        David Barksdale <dbarksdale@...ogix.com>
Subject: Re: [PATCH v2 1/2] dt-bindings: iio: humidity: Add si7020 bindings

On Thu, 12 May 2022 11:20:19 -0500
Eddie James <eajames@...ux.ibm.com> wrote:

> Document the si7020 bindings with a new "silabs,skip-reset" property.
> 
> Signed-off-by: Eddie James <eajames@...ux.ibm.com>
> ---
>  .../bindings/iio/humidity/silabs,si7020.yaml  | 47 +++++++++++++++++++
>  .../devicetree/bindings/trivial-devices.yaml  |  2 -
>  2 files changed, 47 insertions(+), 2 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/iio/humidity/silabs,si7020.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/humidity/silabs,si7020.yaml b/Documentation/devicetree/bindings/iio/humidity/silabs,si7020.yaml
> new file mode 100644
> index 000000000000..9bee010f8d56
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/humidity/silabs,si7020.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/humidity/silabs,si7020.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SI7020 humidity + temperature sensor
> +
> +maintainers:
> +  - David Barksdale <dbarksdale@...ogix.com>

At least cc David if you are going to commit him to maintaining this binding :)
+CC David at that address.

> +
> +description: |
> +   The Silicon Labs Si7013/20/21 Relative Humidity and Temperature Sensors
> +   are i2c devices which have an identical programming interface for
> +   measuring relative humidity and temperature.
> +
> +properties:
> +  compatible:
> +    const: silabs,si7020
> +
> +  reg:
> +    maxItems: 1
> +
> +  siliabs,skip-reset:
> +    $ref: /schemas/types.yaml#/definitions/flag
> +    description:
> +      Disables resetting of the device during probe
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c0 {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      si7021-a20@40 {
> +        silabs,skip-reset;
> +        compatible = "silabs,si7020";
> +        reg = <0x40>;
> +      };
> +    };
> +...
> diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
> index e5295faef52f..47a00b478867 100644
> --- a/Documentation/devicetree/bindings/trivial-devices.yaml
> +++ b/Documentation/devicetree/bindings/trivial-devices.yaml
> @@ -317,8 +317,6 @@ properties:
>            - sensortek,stk8ba50
>              # SGX Sensortech VZ89X Sensors
>            - sgx,vz89x
> -            # Relative Humidity and Temperature Sensors
> -          - silabs,si7020
>              # Skyworks SKY81452: Six-Channel White LED Driver with Touch Panel Bias Supply
>            - skyworks,sky81452
>              # Socionext SynQuacer TPM MMIO module