1I2C for Atmel platforms 2 3Required properties : 4- compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c", 5 "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c" 6 or "atmel,at91sam9x5-i2c" 7- reg: physical base address of the controller and length of memory mapped 8 region. 9- interrupts: interrupt number to the cpu. 10- #address-cells = <1>; 11- #size-cells = <0>; 12- clocks: phandles to input clocks. 13 14Optional properties: 15- clock-frequency: Desired I2C bus frequency in Hz, otherwise defaults to 100000 16- Child nodes conforming to i2c bus binding 17 18Examples : 19 20i2c0: i2c@fff84000 { 21 compatible = "atmel,at91sam9g20-i2c"; 22 reg = <0xfff84000 0x100>; 23 interrupts = <12 4 6>; 24 #address-cells = <1>; 25 #size-cells = <0>; 26 clocks = <&twi0_clk>; 27 clock-frequency = <400000>; 28 29 24c512@50 { 30 compatible = "24c512"; 31 reg = <0x50>; 32 pagesize = <128>; 33 } 34} 35