drivers/staging/wilc1000/microchip,wilc1000,sdio.txt

   1 * Microchip WILC wireless SDIO device
   2
   3 The wilc1000 chips can be connected via SDIO. The node is used to specifiy
   4 child node to the SDIO controller that connects the device to the system.
   5
   6 Required properties:
   7 - compatible    :       Should be "microchip,wilc1000-spi"
   8 - irq-gpios     :       Connect to a host IRQ
   9 - reg           :       Slot ID used in the controller
  10
  11 Optional:
  12 - bus-width     :       Number of data lines wired up the slot. Default 1 bit.
  13 - rtc_clk       :       Clock connected on the rtc clock line. Must be assigned
  14                         a frequency with assigned-clocks property, and must be
  15                         connected to a clock provider.
  16
  17 Examples:
  18 mmc1: mmc@fc000000 {
  19                 pinctrl-names = "default";
  20                 pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>;
  21                 non-removable;
  22                 vmmc-supply = <&vcc_mmc1_reg>;
  23                 vqmmc-supply = <&vcc_3v3_reg>;
  24                 status = "okay";
  25
  26                 wilc_sdio@0 {
  27                         compatible = "microchip,wilc1000-sdio";
  28                         irq-gpios = <&pioC 27 0>;
  29                         clocks = <&pck1>;
  30                         clock-names = "rtc_clk";
  31                         assigned-clocks = <&pck1>;
  32                         assigned-clock-rates = <32768>;
  33                         status = "okay";
  34                         reg = <0>;
  35                         bus-width = <4>;
  36                 }
  37         };
  38 }