Documentation/devicetree/bindings/i2c/i2c-jz4780.txt

   1 * Ingenic JZ4780 I2C Bus controller
   2
   3 Required properties:
   4 - compatible: should be "ingenic,jz4780-i2c"
   5 - reg: Should contain the address & size of the I2C controller registers.
   6 - interrupts: Should specify the interrupt provided by parent.
   7 - clocks: Should contain a single clock specifier for the JZ4780 I2C clock.
   8 - clock-frequency: desired I2C bus clock frequency in Hz.
   9
  10 Recommended properties:
  11 - pinctrl-names: should be "default";
  12 - pinctrl-0: phandle to pinctrl function
  13
  14 Example
  15
  16 / {
  17         i2c4: i2c4@10054000 {
  18                 compatible = "ingenic,jz4780-i2c";
  19                 reg = <0x10054000 0x1000>;
  20
  21                 interrupt-parent = <&intc>;
  22                 interrupts = <56>;
  23
  24                 clocks = <&cgu JZ4780_CLK_SMB4>;
  25                 clock-frequency = <100000>;
  26                 pinctrl-names = "default";
  27                 pinctrl-0 = <&pins_i2c4_data>;
  28
  29         };
  30 };
  31