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Date:   Mon, 25 May 2020 09:27:07 +0200
From:   Jonathan Albrieux <jonathan.albrieux@gmail.com>
To:     Jonathan Cameron <jic23@kernel.org>
Cc:     linux-kernel@vger.kernel.org,
        ~postmarketos/upstreaming@lists.sr.ht, daniel.baluta@nxp.com,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>, Hartmut Knaack <knaack.h@gmx.de>,
        Lars-Peter Clausen <lars@metafoo.de>,
        "open list:IIO SUBSYSTEM AND DRIVERS" <linux-iio@vger.kernel.org>,
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
        Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH v3 1/5] dt-bindings: iio: imu: bmi160: convert txt format
 to yaml
Message-ID: <20200525072707.GB18690@ict14-OptiPlex-980>
References: <20200520194656.16218-1-jonathan.albrieux@gmail.com>
 <20200520194656.16218-2-jonathan.albrieux@gmail.com>
 <20200524124114.7f4e785d@archlinux>
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On Sun, May 24, 2020 at 12:41:14PM +0100, Jonathan Cameron wrote:
> On Wed, 20 May 2020 21:46:40 +0200
> Jonathan Albrieux <jonathan.albrieux@gmail.com> wrote:
> 
> > Converts documentation from txt format to yaml.
> > 
> > Signed-off-by: Jonathan Albrieux <jonathan.albrieux@gmail.com>
> 
> A reminder on the maintainer bit as that thread crossed with
> this one.  Also, drop the spi-max-frequency as we don't need
> to mention it explicitly for this device.
> 
> Thanks,
> 
> Jonathan
> 

Thank you, I'll remove it today.

> 
> > ---
> >  .../devicetree/bindings/iio/imu/bmi160.txt    | 37 ---------
> >  .../bindings/iio/imu/bosch,bmi160.yaml        | 76 +++++++++++++++++++
> >  2 files changed, 76 insertions(+), 37 deletions(-)
> >  delete mode 100644 Documentation/devicetree/bindings/iio/imu/bmi160.txt
> >  create mode 100644 Documentation/devicetree/bindings/iio/imu/bosch,bmi160.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/iio/imu/bmi160.txt b/Documentation/devicetree/bindings/iio/imu/bmi160.txt
> > deleted file mode 100644
> > index 900c169de00f..000000000000
> > --- a/Documentation/devicetree/bindings/iio/imu/bmi160.txt
> > +++ /dev/null
> > @@ -1,37 +0,0 @@
> > -Bosch BMI160 - Inertial Measurement Unit with Accelerometer, Gyroscope
> > -and externally connectable Magnetometer
> > -
> > -https://www.bosch-sensortec.com/bst/products/all_products/bmi160
> > -
> > -Required properties:
> > - - compatible : should be "bosch,bmi160"
> > - - reg : the I2C address or SPI chip select number of the sensor
> > - - spi-max-frequency : set maximum clock frequency (only for SPI)
> > -
> > -Optional properties:
> > - - interrupts : interrupt mapping for IRQ
> > - - interrupt-names : set to "INT1" if INT1 pin should be used as interrupt
> > -   input, set to "INT2" if INT2 pin should be used instead
> > - - drive-open-drain : set if the specified interrupt pin should be configured as
> > -   open drain. If not set, defaults to push-pull.
> > -
> > -Examples:
> > -
> > -bmi160@68 {
> > -	compatible = "bosch,bmi160";
> > -	reg = <0x68>;
> > -
> > -	interrupt-parent = <&gpio4>;
> > -	interrupts = <12 IRQ_TYPE_EDGE_RISING>;
> > -	interrupt-names = "INT1";
> > -};
> > -
> > -bmi160@0 {
> > -	compatible = "bosch,bmi160";
> > -	reg = <0>;
> > -	spi-max-frequency = <10000000>;
> > -
> > -	interrupt-parent = <&gpio2>;
> > -	interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
> > -	interrupt-names = "INT2";
> > -};
> > diff --git a/Documentation/devicetree/bindings/iio/imu/bosch,bmi160.yaml b/Documentation/devicetree/bindings/iio/imu/bosch,bmi160.yaml
> > new file mode 100644
> > index 000000000000..46cb4fde1165
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/iio/imu/bosch,bmi160.yaml
> > @@ -0,0 +1,76 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/iio/imu/bosch,bmi160.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Bosch BMI160
> > +
> > +maintainers:
> > +  - Daniel Baluta <daniel.baluta@nxp.com> (?)
> 
> Daniel's reply crossed with this.  Given he's moved on to other things
> he's not happy to be listed as maintainer here.
> 
> Given other threads, either put yourself here if you are happy to maintain
> the binding, or fall back to me but use my kernel.org address.
> 
> Jonathan Cameron <jic23@kernel.org>
> 
> I don't mind either way.
> 

Thank you, I'll add you then for this binding.

Thank for your help,

Best regards,
Jonathan Albrieux

> 
> > +
> > +description: |
> > +  Inertial Measurement Unit with Accelerometer, Gyroscope and externally
> > +  connectable Magnetometer
> > +  https://www.bosch-sensortec.com/bst/products/all_products/bmi160
> > +
> > +properties:
> > +  compatible:
> > +    const: bosch,bmi160
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  spi-max-frequency:
> > +    maxItems: 1
> 
> spi-max-frequency doesn't need to be here at all.   We aren't trying to list
> all of the properties that might be present - but rather those that
> are either required or that are part of the description of the device.
> This one is a generic spi binding that may or may not be present.
> 
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  interrupt-names:
> > +    enum:
> > +      - INT1
> > +      - INT2
> > +    description: |
> > +      set to "INT1" if INT1 pin should be used as interrupt input, set
> > +      to "INT2" if INT2 pin should be used instead
> > +
> > +  drive-open-drain:
> > +    description: |
> > +      set if the specified interrupt pin should be configured as
> > +      open drain. If not set, defaults to push-pull.
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +
> > +examples:
> > +  - |
> > +    // Example for I2C
> > +    i2c {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        bmi160@68 {
> > +                compatible = "bosch,bmi160";
> > +                reg = <0x68>;
> > +                interrupt-parent = <&gpio4>;
> > +                interrupts = <12 1>;
> > +                interrupt-names = "INT1";
> > +        };
> > +    };
> > +  - |
> > +    // Example for SPI
> > +    spi {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        bmi160@0 {
> > +                compatible = "bosch,bmi160";
> > +                reg = <0>;
> > +                spi-max-frequency = <10000000>;
> > +                interrupt-parent = <&gpio2>;
> > +                interrupts = <12 1>;
> > +                interrupt-names = "INT2";
> > +        };
> > +    };
>