Re: [PATCH 06/10] dt-bindings: iio: dac: add bindings doc for AXI DAC driver

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On Thu, Mar 28, 2024 at 02:22:30PM +0100, Nuno Sa wrote:
> This adds the bindings documentation for the AXI DAC driver.

Bindings are for h/w blocks, not 'drivers'.

Reword the subject to only say 'bindings' once.


> Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/iio/dac/adi,axi-dac.yaml   | 62 ++++++++++++++++++++++
>  MAINTAINERS                                        |  7 +++
>  2 files changed, 69 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml b/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml
> new file mode 100644
> index 000000000000..1018fd274f04
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml
> @@ -0,0 +1,62 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/dac/adi,axi-dac.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AXI DAC IP core
> +
> +maintainers:
> +  - Nuno Sa <nuno.sa@xxxxxxxxxx>
> +
> +description: |
> +  Analog Devices Generic AXI DAC IP core for interfacing a DAC 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 DAC, while this IP core will interface
> +  to the data-lines of the DAC and handle the streaming of data into
> +  memory via DMA.
> +
> +  https://wiki.analog.com/resources/fpga/docs/axi_dac_ip
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,axi-dac-9.1.b
> +
> +  reg:
> +    maxItems: 1
> +
> +  dmas:
> +    maxItems: 1
> +
> +  dma-names:
> +    items:
> +      - const: tx

You don't need *-names if there is only 1 entry.

> +
> +  clocks:
> +    maxItems: 1
> +
> +  '#io-backend-cells':
> +    const: 0
> +
> +required:
> +  - compatible
> +  - dmas
> +  - reg
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    dac@44a00000 {
> +        compatible = "adi,axi-dac-9.1.b";
> +        reg = <0x44a00000 0x10000>;
> +        dmas = <&tx_dma 0>;
> +        dma-names = "tx";
> +        #io-backend-cells = <0>;
> +        clocks = <&axi_clk>;
> +    };
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index a7287cf44869..2137eb452376 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1399,6 +1399,13 @@ F:	sound/soc/codecs/adav*
>  F:	sound/soc/codecs/sigmadsp.*
>  F:	sound/soc/codecs/ssm*
>  
> +ANALOG DEVICES INC AXI DAC DRIVER
> +M:	Nuno Sa <nuno.sa@xxxxxxxxxx>
> +L:	linux-iio@xxxxxxxxxxxxxxx
> +S:	Supported
> +W:	https://ez.analog.com/linux-software-drivers
> +F:	Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml
> +
>  ANALOG DEVICES INC DMA DRIVERS
>  M:	Lars-Peter Clausen <lars@xxxxxxxxxx>
>  S:	Supported
> 
> -- 
> 2.44.0
> 




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