Documentation/devicetree/bindings/spi/spi-st-ssc.txt

   1 STMicroelectronics SSC (SPI) Controller
   2 ---------------------------------------
   3
   4 Required properties:
   5 - compatible    : "st,comms-ssc4-spi"
   6 - reg           : Offset and length of the device's register set
   7 - interrupts    : The interrupt specifier
   8 - clock-names   : Must contain "ssc"
   9 - clocks        : Must contain an entry for each name in clock-names
  10                     See ../clk/*
  11 - pinctrl-names : Uses "default", can use "sleep" if provided
  12                     See ../pinctrl/pinctrl-bindings.txt
  13
  14 Optional properties:
  15 - cs-gpios      : List of GPIO chip selects
  16                     See ../spi/spi-bus.txt
  17
  18 Child nodes represent devices on the SPI bus
  19   See ../spi/spi-bus.txt
  20
  21 Example:
  22         spi@9840000 {
  23                 compatible      = "st,comms-ssc4-spi";
  24                 reg             = <0x9840000 0x110>;
  25                 interrupts      = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
  26                 clocks          = <&clk_s_c0_flexgen CLK_EXT2F_A9>;
  27                 clock-names     = "ssc";
  28                 pinctrl-0       = <&pinctrl_spi0_default>;
  29                 pinctrl-names   = "default";
  30                 cs-gpios        = <&pio17 5 0>;
  31                 #address-cells  = <1>;
  32                 #size-cells     = <0>;
  33
  34                 st95hf@0{
  35                         compatible              = "st,st95hf";
  36                         reg                     = <0>;
  37                         spi-max-frequency       = <1000000>;
  38                         interrupts              = <2 IRQ_TYPE_EDGE_FALLING>;
  39                 };
  40         };