Documentation/devicetree/bindings/mmc/sdhci-fujitsu.txt

   1 * Fujitsu SDHCI controller
   2
   3 This file documents differences between the core properties in mmc.txt
   4 and the properties used by the sdhci_f_sdh30 driver.
   5
   6 Required properties:
   7 - compatible: "fujitsu,mb86s70-sdhci-3.0"
   8 - clocks: Must contain an entry for each entry in clock-names. It is a
   9   list of phandles and clock-specifier pairs.
  10   See ../clocks/clock-bindings.txt for details.
  11 - clock-names: Should contain the following two entries:
  12         "iface" - clock used for sdhci interface
  13         "core"  - core clock for sdhci controller
  14
  15 Optional properties:
  16 - vqmmc-supply: phandle to the regulator device tree node, mentioned
  17   as the VCCQ/VDD_IO supply in the eMMC/SD specs.
  18 - fujitsu,cmd-dat-delay-select: boolean property indicating that this host
  19   requires the CMD_DAT_DELAY control to be enabled.
  20
  21 Example:
  22
  23         sdhci1: mmc@36600000 {
  24                 compatible = "fujitsu,mb86s70-sdhci-3.0";
  25                 reg = <0 0x36600000 0x1000>;
  26                 interrupts = <0 172 0x4>,
  27                              <0 173 0x4>;
  28                 bus-width = <4>;
  29                 vqmmc-supply = <&vccq_sdhci1>;
  30                 clocks = <&clock 2 2 0>, <&clock 2 3 0>;
  31                 clock-names = "iface", "core";
  32         };