linux-kernel - Re: [PATCH v4 1/2] dt-bindings: iio: adc: Add dt-schema for AD7292

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Message-ID: <20191110160723.0d0b66d7@archlinux>
Date:   Sun, 10 Nov 2019 16:07:23 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Marcelo Schmitt <marcelo.schmitt1@...il.com>
Cc:     robh@...nel.org, dragos.bogdan@...log.com,
        alexandru.ardelean@...log.com, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        kernel-usp@...glegroups.com
Subject: Re: [PATCH v4 1/2] dt-bindings: iio: adc: Add dt-schema for AD7292

On Fri, 8 Nov 2019 10:56:09 -0300
Marcelo Schmitt <marcelo.schmitt1@...il.com> wrote:

> Add a devicetree schema for AD7292 monitor and control system.
> 
> Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@...il.com>
Seems like you have addressed everything Rob raised, so I'll apply this
and it can go out for build testing.  Still some time for Rob to add
a tag if he wants to!

Thanks,

Jonathan

> ---
> Changelog V3 -> V4:
> - updated SPDX identifier to GPL-2.0-only
> - changed maxitems constraint on channel property
> 
>  .../bindings/iio/adc/adi,ad7292.yaml          | 104 ++++++++++++++++++
>  MAINTAINERS                                   |   7 ++
>  2 files changed, 111 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
> new file mode 100644
> index 000000000000..b68be3aaf587
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
> @@ -0,0 +1,104 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/adi,ad7292.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AD7292 10-Bit Monitor and Control System
> +
> +maintainers:
> +  - Marcelo Schmitt <marcelo.schmitt1@...il.com>
> +
> +description: |
> +  Analog Devices AD7292 10-Bit Monitor and Control System with ADC, DACs,
> +  Temperature Sensor, and GPIOs
> +
> +  Specifications about the part can be found at:
> +    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,ad7292
> +
> +  reg:
> +    maxItems: 1
> +
> +  vref-supply:
> +    description: |
> +      The regulator supply for ADC and DAC reference voltage.
> +
> +  spi-cpha: true
> +
> +  '#address-cells':
> +    const: 1
> +
> +  '#size-cells':
> +    const: 0
> +
> +required:
> +  - compatible
> +  - reg
> +  - spi-cpha
> +
> +patternProperties:
> +  "^channel@[0-7]$":
> +    type: object
> +    description: |
> +      Represents the external channels which are connected to the ADC.
> +      See Documentation/devicetree/bindings/iio/adc/adc.txt.
> +
> +    properties:
> +      reg:
> +        description: |
> +          The channel number. It can have up to 8 channels numbered from 0 to 7.
> +        items:
> +          maximum: 7
> +
> +      diff-channels:
> +        description: see Documentation/devicetree/bindings/iio/adc/adc.txt
> +        maxItems: 1
> +
> +    required:
> +      - reg
> +
> +examples:
> +  - |
> +    spi {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      ad7292: adc@0 {
> +        compatible = "adi,ad7292";
> +        reg = <0>;
> +        spi-max-frequency = <25000000>;
> +        vref-supply = <&adc_vref>;
> +        spi-cpha;
> +
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        channel@0 {
> +          reg = <0>;
> +          diff-channels = <0 1>;
> +        };
> +        channel@2 {
> +          reg = <2>;
> +        };
> +        channel@3 {
> +          reg = <3>;
> +        };
> +        channel@4 {
> +          reg = <4>;
> +        };
> +        channel@5 {
> +          reg = <5>;
> +        };
> +        channel@6 {
> +          reg = <6>;
> +        };
> +        channel@7 {
> +          reg = <7>;
> +        };
> +      };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 32bf5f8116d0..5d00e871c4c6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -813,6 +813,13 @@ S:	Supported
>  F:	drivers/iio/adc/ad7124.c
>  F:	Documentation/devicetree/bindings/iio/adc/adi,ad7124.txt
>  
> +ANALOG DEVICES INC AD7292 DRIVER
> +M:	Marcelo Schmitt <marcelo.schmitt1@...il.com>
> +L:	linux-iio@...r.kernel.org
> +W:	http://ez.analog.com/community/linux-device-drivers
> +S:	Supported
> +F:	Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
> +
>  ANALOG DEVICES INC AD7606 DRIVER
>  M:	Stefan Popa <stefan.popa@...log.com>
>  L:	linux-iio@...r.kernel.org