Documentation/devicetree/bindings/spi/spi-mxic.txt

   1 Macronix SPI controller Device Tree Bindings
   2 --------------------------------------------
   3
   4 Required properties:
   5 - compatible: should be "mxicy,mx25f0a-spi"
   6 - #address-cells: should be 1
   7 - #size-cells: should be 0
   8 - reg: should contain 2 entries, one for the registers and one for the direct
   9        mapping area
  10 - reg-names: should contain "regs" and "dirmap"
  11 - interrupts: interrupt line connected to the SPI controller
  12 - clock-names: should contain "ps_clk", "send_clk" and "send_dly_clk"
  13 - clocks: should contain 3 entries for the "ps_clk", "send_clk" and
  14           "send_dly_clk" clocks
  15
  16 Example:
  17
  18         spi@43c30000 {
  19                 compatible = "mxicy,mx25f0a-spi";
  20                 reg = <0x43c30000 0x10000>, <0xa0000000 0x20000000>;
  21                 reg-names = "regs", "dirmap";
  22                 clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 18>;
  23                 clock-names = "send_clk", "send_dly_clk", "ps_clk";
  24                 #address-cells = <1>;
  25                 #size-cells = <0>;
  26
  27                 flash@0 {
  28                         compatible = "jedec,spi-nor";
  29                         reg = <0>;
  30                         spi-max-frequency = <25000000>;
  31                         spi-tx-bus-width = <4>;
  32                         spi-rx-bus-width = <4>;
  33                 };
  34         };