On Tue, May 01, 2018 at 10:32:34AM -0400, Liming Sun wrote:
> This commit adds "mellanox,bluefield-dw-mshc" for dwmmc driver
> extension on Mellanox BlueField SoC platform.
>
> Signed-off-by: Liming Sun <lsun@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/mmc/bluefield-dw-mshc.txt | 29 ++++++++++++++++++++++
> 1 file changed, 29 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mmc/bluefield-dw-mshc.txt
>
> diff --git a/Documentation/devicetree/bindings/mmc/bluefield-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/bluefield-dw-mshc.txt
> new file mode 100644
> index 0000000..75bd844d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/bluefield-dw-mshc.txt
> @@ -0,0 +1,29 @@
> +* Mellanox Bluefield SoC specific extensions to the Synopsys Designware
> + Mobile Storage Host Controller
> +
> +Read synopsys-dw-mshc.txt for more details
> +
> +The Synopsys designware mobile storage host controller is used to interface
> +a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
> +differences between the core Synopsys dw mshc controller properties described
> +by synopsys-dw-mshc.txt and the properties used by the Mellanox Bluefield SoC
> +specific extensions to the Synopsys Designware Mobile Storage Host Controller.
> +
> +Required Properties:
> +
> +* compatible: should be one of the following.
> + - "mellanox,bluefield-dw-mshc": for controllers with Mellanox Bluefield SoC
> + specific extensions.
> +
> +Example:
> +
> + /* Mellanox Bluefield SoC MMC */
> + mmc@0x6008000 {
Drop the '0x'.
Building your dtb with 'W=1' will warn on this.
With that,
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> + compatible = "mellanox,bluefield-dw-mshc";
> + reg = <0x6008000 0x400>;
> + interrupts = <32>;
> + fifo-depth = <0x100>;
> + clock-frequency = <24000000>;
> + bus-width = <8>;
> + cap-mmc-highspeed;
> + };
> --
> 1.8.3.1
>
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