The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/mmc/davinci_mmc.txt

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    1 * TI Highspeed MMC host controller for DaVinci
    2 
    3 The Highspeed MMC Host Controller on TI DaVinci family
    4 provides an interface for MMC, SD and SDIO types of memory cards.
    5 
    6 This file documents the properties used by the davinci_mmc driver.
    7 
    8 Required properties:
    9 - compatible:
   10  Should be "ti,da830-mmc": for da830, da850, dm365
   11  Should be "ti,dm355-mmc": for dm355, dm644x
   12 
   13 Optional properties:
   14 - bus-width: Number of data lines, can be <1>, <4>, or <8>, default <1>
   15 - max-frequency: Maximum operating clock frequency, default 25MHz.
   16 - dmas: List of DMA specifiers with the controller specific format
   17         as described in the generic DMA client binding. A tx and rx
   18         specifier is required.
   19 - dma-names: RX and TX  DMA request names. These strings correspond
   20         1:1 with the DMA specifiers listed in dmas.
   21 
   22 Example:
   23 mmc0: mmc@1c40000 {
   24         compatible = "ti,da830-mmc",
   25         reg = <0x40000 0x1000>;
   26         interrupts = <16>;
   27         bus-width = <4>;
   28         max-frequency = <50000000>;
   29         dmas = <&edma 16
   30                 &edma 17>;
   31         dma-names = "rx", "tx";
   32 };

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