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/samsung-sdhci.txt

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    1 * Samsung's SDHCI Controller device tree bindings
    2 
    3 Samsung's SDHCI controller is used as a connectivity interface with external
    4 MMC, SD and eMMC storage mediums. This file documents differences between the
    5 core mmc properties described by mmc.txt and the properties used by the
    6 Samsung implementation of the SDHCI controller.
    7 
    8 Required SoC Specific Properties:
    9 - compatible: should be one of the following
   10   - "samsung,s3c6410-sdhci": For controllers compatible with s3c6410 sdhci
   11     controller.
   12   - "samsung,exynos4210-sdhci": For controllers compatible with Exynos4 sdhci
   13     controller.
   14 
   15 Required Board Specific Properties:
   16 - pinctrl-0: Should specify pin control groups used for this controller.
   17 - pinctrl-names: Should contain only one value - "default".
   18 
   19 Example:
   20         sdhci@12530000 {
   21                 compatible = "samsung,exynos4210-sdhci";
   22                 reg = <0x12530000 0x100>;
   23                 interrupts = <0 75 0>;
   24                 bus-width = <4>;
   25                 cd-gpios = <&gpk2 2 0>;
   26                 pinctrl-names = "default";
   27                 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4>;
   28         };
   29 
   30         Note: This example shows both SoC specific and board specific properties
   31         in a single device node. The properties can be actually be separated
   32         into SoC specific node and board specific node.

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