From: Liming Sun Date: Tue, 8 May 2018 18:46:49 +0000 (-0400) Subject: dt-bindings: mmc: Add binding for BlueField SoC X-Git-Tag: v4.18-rc1~137^2~24 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=0e190fd071ccda260d7b54d2f40c379f28a1237e;p=users%2Fwilly%2Flinux.git dt-bindings: mmc: Add binding for BlueField SoC This commit adds "mellanox,bluefield-dw-mshc" for dwmmc driver extension on Mellanox BlueField SoC platform. Signed-off-by: Liming Sun Reviewed-by: David Woods Reviewed-by: Rob Herring Signed-off-by: Ulf Hansson --- 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 000000000000..b0f0999ea1a9 --- /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; + };