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

   1 * Ingenic JZ4780 I2C Bus controller
   2
   3 Required properties:
   4 - compatible: should be one of the following:
   5   - "ingenic,jz4780-i2c" for the JZ4780
   6   - "ingenic,x1000-i2c" for the X1000
   7 - reg: Should contain the address & size of the I2C controller registers.
   8 - interrupts: Should specify the interrupt provided by parent.
   9 - clocks: Should contain a single clock specifier for the JZ4780 I2C clock.
  10 - clock-frequency: desired I2C bus clock frequency in Hz.
  11
  12 Recommended properties:
  13 - pinctrl-names: should be "default";
  14 - pinctrl-0: phandle to pinctrl function
  15
  16 Example
  17
  18 / {
  19         i2c4: i2c4@10054000 {
  20                 compatible = "ingenic,jz4780-i2c";
  21                 reg = <0x10054000 0x1000>;
  22
  23                 interrupt-parent = <&intc>;
  24                 interrupts = <56>;
  25
  26                 clocks = <&cgu JZ4780_CLK_SMB4>;
  27                 clock-frequency = <100000>;
  28                 pinctrl-names = "default";
  29                 pinctrl-0 = <&pins_i2c4_data>;
  30
  31         };
  32 };
  33