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

     * Fujitsu SDHCI controller
     
     This file documents differences between the core properties in mmc.txt
     and the properties used by the sdhci_f_sdh30 driver.
     
     Required properties:
     - compatible: "fujitsu,mb86s70-sdhci-3.0"
     - clocks: Must contain an entry for each entry in clock-names. It is a
       list of phandles and clock-specifier pairs.
      See ../clocks/clock-bindings.txt for details.
    - clock-names: Should contain the following two entries:
            "iface" - clock used for sdhci interface
            "core"  - core clock for sdhci controller
    
    Optional properties:
    - vqmmc-supply: phandle to the regulator device tree node, mentioned
      as the VCCQ/VDD_IO supply in the eMMC/SD specs.
    - fujitsu,cmd-dat-delay-select: boolean property indicating that this host
      requires the CMD_DAT_DELAY control to be enabled.
    
    Example:
    
            sdhci1: mmc@36600000 {
                    compatible = "fujitsu,mb86s70-sdhci-3.0";
                    reg = <0 0x36600000 0x1000>;
                    interrupts = <0 172 0x4>,
                                 <0 173 0x4>;
                    bus-width = <4>;
                    vqmmc-supply = <&vccq_sdhci1>;
                    clocks = <&clock 2 2 0>, <&clock 2 3 0>;
                    clock-names = "iface", "core";
            };

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