Documentation/devicetree/bindings/i2c/i2c-at91.txt

   1 I2C for Atmel platforms
   2
   3 Required properties :
   4 - compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c",
   5      "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c"
   6      or "atmel,at91sam9x5-i2c"
   7 - reg: physical base address of the controller and length of memory mapped
   8      region.
   9 - interrupts: interrupt number to the cpu.
  10 - #address-cells = <1>;
  11 - #size-cells = <0>;
  12 - clocks: phandles to input clocks.
  13
  14 Optional properties:
  15 - clock-frequency: Desired I2C bus frequency in Hz, otherwise defaults to 100000
  16 - Child nodes conforming to i2c bus binding
  17
  18 Examples :
  19
  20 i2c0: i2c@fff84000 {
  21         compatible = "atmel,at91sam9g20-i2c";
  22         reg = <0xfff84000 0x100>;
  23         interrupts = <12 4 6>;
  24         #address-cells = <1>;
  25         #size-cells = <0>;
  26         clocks = <&twi0_clk>;
  27         clock-frequency = <400000>;
  28
  29         24c512@50 {
  30                 compatible = "24c512";
  31                 reg = <0x50>;
  32                 pagesize = <128>;
  33         }
  34 }