Documentation/devicetree/bindings/net/wireless/ti,wlcore,spi.txt

   1 * Texas Instruments wl12xx/wl18xx wireless lan controller
   2
   3 The wl12xx/wl18xx chips can be connected via SPI or via SDIO. This
   4 document describes the binding for the SPI connected chip.
   5
   6 Required properties:
   7 - compatible :          Should be one of the following:
   8     * "ti,wl1271"
   9     * "ti,wl1273"
  10     * "ti,wl1281"
  11     * "ti,wl1283"
  12     * "ti,wl1801"
  13     * "ti,wl1805"
  14     * "ti,wl1807"
  15     * "ti,wl1831"
  16     * "ti,wl1835"
  17     * "ti,wl1837"
  18 - reg :                 Chip select address of device
  19 - spi-max-frequency :   Maximum SPI clocking speed of device in Hz
  20 - interrupt-parent, interrupts :
  21                         Should contain parameters for 1 interrupt line.
  22                         Interrupt parameters: parent, line number, type.
  23 - vwlan-supply :        Point the node of the regulator that powers/enable the
  24                         wl12xx/wl18xx chip
  25
  26 Optional properties:
  27 - ref-clock-frequency : Reference clock frequency (should be set for wl12xx)
  28 - clock-xtal :          boolean, clock is generated from XTAL
  29
  30 - Please consult Documentation/devicetree/bindings/spi/spi-bus.txt
  31   for optional SPI connection related properties,
  32
  33 Examples:
  34
  35 For wl12xx family:
  36 &spi1 {
  37         wlcore: wlcore@1 {
  38                 compatible = "ti,wl1271";
  39                 reg = <1>;
  40                 spi-max-frequency = <48000000>;
  41                 interrupt-parent = <&gpio3>;
  42                 interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
  43                 vwlan-supply = <&vwlan_fixed>;
  44                 clock-xtal;
  45                 ref-clock-frequency = <38400000>;
  46         };
  47 };
  48
  49 For wl18xx family:
  50 &spi0 {
  51         wlcore: wlcore@0 {
  52                 compatible = "ti,wl1835";
  53                 reg = <0>;
  54                 spi-max-frequency = <48000000>;
  55                 interrupt-parent = <&gpio0>;
  56                 interrupts = <27 IRQ_TYPE_EDGE_RISING>;
  57                 vwlan-supply = <&vwlan_fixed>;
  58         };
  59 };