linux-kernel - Re: [PATCH v4 2/5] dt-bindings: iio: imu: bmi160: add regulators and mount-matrix

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Date:   Fri, 29 May 2020 11:09:43 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jonathan Albrieux <jonathan.albrieux@...il.com>
Cc:     linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht, daniel.baluta@...il.com,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        "open list:IIO SUBSYSTEM AND DRIVERS" <linux-iio@...r.kernel.org>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Jonathan Cameron <jic23@...nel.org>
Subject: Re: [PATCH v4 2/5] dt-bindings: iio: imu: bmi160: add regulators and
 mount-matrix

On Mon, May 25, 2020 at 06:46:01PM +0200, Jonathan Albrieux wrote:
> Add vdd-supply and vddio-supply support.
> Add mount-matrix support.
> 
> Signed-off-by: Jonathan Albrieux <jonathan.albrieux@...il.com>
> ---
>  .../bindings/iio/imu/bosch,bmi160.yaml           | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/imu/bosch,bmi160.yaml b/Documentation/devicetree/bindings/iio/imu/bosch,bmi160.yaml
> index 0d0ef84e22b9..cfe40dbcd723 100644
> --- a/Documentation/devicetree/bindings/iio/imu/bosch,bmi160.yaml
> +++ b/Documentation/devicetree/bindings/iio/imu/bosch,bmi160.yaml
> @@ -37,6 +37,17 @@ properties:
>        set if the specified interrupt pin should be configured as
>        open drain. If not set, defaults to push-pull.
>  
> +  vdd-supply:
> +    maxItems: 1

Supplies are always a single item, so don't need this.

> +    description: provide VDD power to the sensor.
> +
> +  vddio-supply:
> +    maxItems: 1
> +    description: provide VDD IO power to the sensor.
> +
> +  mount-matrix:
> +    description: an optional 3x3 mounting rotation matrix
> +
>  required:
>    - compatible
>    - reg
> @@ -52,9 +63,14 @@ examples:
>          bmi160@68 {
>                  compatible = "bosch,bmi160";
>                  reg = <0x68>;
> +                vdd-supply = <&pm8916_l17>;
> +                vddio-supply = <&pm8916_l6>;
>                  interrupt-parent = <&gpio4>;
>                  interrupts = <12 IRQ_TYPE_EDGE_RISING>;
>                  interrupt-names = "INT1";
> +                mount-matrix = "0", "1", "0",
> +                               "-1", "0", "0",
> +                               "0", "0", "1";
>          };
>      };
>    - |
> -- 
> 2.17.1
>