Kernel-3.10.0-957.el7_brcm,bcm2835-i2c

Broadcom BCM2835 I2C controller

Required properties:

  • compatible : Should be “brcm,bcm2835-i2c”.
  • reg: Should contain register location and length.
  • interrupts: Should contain interrupt.
  • clocks : The clock feeding the I2C controller.

Recommended properties:

  • clock-frequency : desired I2C bus clock frequency in Hz.

Example:

i2c@20205000 {
compatible = “brcm,bcm2835-i2c”;
reg = <0x7e205000 0x1000>;
interrupts = <2 21>;
clocks = <&clk_i2c>;
clock-frequency = <100000>;
};