linux-kernel - Re: [PATCH v8 6/8] dt-bindings: iio: adc: add bindings doc for AXI ADC driver

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Date:   Sat, 7 Mar 2020 14:55:27 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Alexandru Ardelean <alexandru.ardelean@...log.com>
Cc:     <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <robh+dt@...nel.org>,
        Moritz Fischer <mdf@...nel.org>
Subject: Re: [PATCH v8 6/8] dt-bindings: iio: adc: add bindings doc for AXI
 ADC driver

On Fri, 6 Mar 2020 13:00:58 +0200
Alexandru Ardelean <alexandru.ardelean@...log.com> wrote:

> This change adds the bindings documentation for the AXI ADC driver.
> 
> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
Looks fine to me, but I'll be wanting an ack from a DT maintainer.

Thanks,

Jonathan

> ---
>  .../bindings/iio/adc/adi,axi-adc.yaml         | 63 +++++++++++++++++++
>  1 file changed, 63 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml b/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml
> new file mode 100644
> index 000000000000..6bd80e241f40
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/adi,axi-adc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AXI ADC IP core
> +
> +maintainers:
> +  - Michael Hennerich <michael.hennerich@...log.com>
> +  - Alexandru Ardelean <alexandru.ardelean@...log.com>
> +
> +description: |
> +  Analog Devices Generic AXI ADC IP core for interfacing an ADC device
> +  with a high speed serial (JESD204B/C) or source synchronous parallel
> +  interface (LVDS/CMOS).
> +  Usually, some other interface type (i.e SPI) is used as a control
> +  interface for the actual ADC, while this IP core will interface
> +  to the data-lines of the ADC and handle the streaming of data into
> +  memory via DMA.
> +
> +  https://wiki.analog.com/resources/fpga/docs/axi_adc_ip
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,axi-adc-10.0.a
> +
> +  reg:
> +    maxItems: 1
> +
> +  dmas:
> +    maxItems: 1
> +
> +  dma-names:
> +    maxItems: 1
> +    items:
> +      - const: rx
> +
> +  adi,adc-dev:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      A reference to a the actual ADC to which this FPGA ADC interfaces to.
> +
> +required:
> +  - compatible
> +  - dmas
> +  - reg
> +  - adi,adc-dev
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    axi-adc@...00000 {
> +          compatible = "adi,axi-adc-10.0.a";
> +          reg = <0x44a00000 0x10000>;
> +          dmas = <&rx_dma 0>;
> +          dma-names = "rx";
> +
> +          adi,adc-dev = <&spi_adc>;
> +    };
> +...