1 Broadcom BCM2835 I2C controller
4 - compatible : Should be "brcm,bcm2835-i2c".
5 - reg: Should contain register location and length.
6 - interrupts: Should contain interrupt.
7 - clocks : The clock feeding the I2C controller.
9 Recommended properties:
10 - clock-frequency : desired I2C bus clock frequency in Hz.
15 compatible = "brcm,bcm2835-i2c";
16 reg = <0x7e205000 0x1000>;
19 clock-frequency = <100000>;