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    Subject[PATCH v6 2/3] dt-bindings: mmc: Add binding for BlueField SoC
    Date
    This commit adds "mellanox,bluefield-dw-mshc" for dwmmc driver
    extension on Mellanox BlueField SoC platform.

    Signed-off-by: Liming Sun <lsun@mellanox.com>
    Reviewed-by: David Woods <dwoods@mellanox.com>
    Reviewed-by: Rob Herring <robh@kernel.org>
    ---
    .../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..b0f0999
    --- /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@6008000 {
    + 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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