[PATCH 2/3] dt-bindings: fpga: xlnx,fpga-slave-selectmap: add DT schema

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Thu Feb 1 00:07:34 PST 2024


On 01/02/2024 00:05, Charles Perry wrote:
> Document the slave SelectMAP interface of Xilinx 7 series FPGA.
> 
> Signed-off-by: Charles Perry <charles.perry at savoirfairelinux.com>
> ---
>  .../bindings/fpga/xlnx,fpga-selectmap.yaml    | 83 +++++++++++++++++++
>  1 file changed, 83 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/fpga/xlnx,fpga-selectmap.yaml
> 
> diff --git a/Documentation/devicetree/bindings/fpga/xlnx,fpga-selectmap.yaml b/Documentation/devicetree/bindings/fpga/xlnx,fpga-selectmap.yaml
> new file mode 100644
> index 0000000000000..c9a446b43cdd9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/fpga/xlnx,fpga-selectmap.yaml
> @@ -0,0 +1,83 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/fpga/xlnx,fpga-selectmap.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Xilinx SelectMAP FPGA interface
> +
> +maintainers:
> +  - Charles Perry <charles.perry at savoirfairelinux.com>
> +
> +description: |
> +  Xilinx 7 Series FPGAs support a method of loading the bitstream over a
> +  parallel port named the SelectMAP interface in the documentation. Only
> +  the x8 mode is supported where data is loaded at one byte per rising edge of
> +  the clock, with the MSB of each byte presented to the D0 pin.
> +
> +  Datasheets:
> +    https://www.xilinx.com/support/documentation/user_guides/ug470_7Series_Config.pdf
> +
> +allOf:
> +  - $ref: /schemas/memory-controllers/mc-peripheral-props.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - xlnx,fpga-selectmap

Your description mentions "7 Series" which is not present in compatible
and title. What is exactly the product here? Interface usually is not
the final binding, so is this specific to some particular FPGA or SoC?


Best regards,
Krzysztof




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