linux/Documentation/devicetree/bindings/i2c/i2c-sirf.txt
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   1I2C for SiRFprimaII platforms
   2
   3Required properties :
   4- compatible : Must be "sirf,prima2-i2c"
   5- reg: physical base address of the controller and length of memory mapped
   6     region.
   7- interrupts: interrupt number to the cpu.
   8
   9Optional properties:
  10- clock-frequency : Constains desired I2C/HS-I2C bus clock frequency in Hz.
  11  The absence of the propoerty indicates the default frequency 100 kHz.
  12
  13Examples :
  14
  15i2c0: i2c@b00e0000 {
  16    compatible = "sirf,prima2-i2c";
  17    reg = <0xb00e0000 0x10000>;
  18    interrupts = <24>;
  19};
  20