1I2C for Spreadtrum platforms 2 3Required properties: 4- compatible: Should be "sprd,sc9860-i2c". 5- reg: Specify the physical base address of the controller and length 6 of memory mapped region. 7- interrupts: Should contain I2C interrupt. 8- clock-names: Should contain following entries: 9 "i2c" for I2C clock, 10 "source" for I2C source (parent) clock, 11 "enable" for I2C module enable clock. 12- clocks: Should contain a clock specifier for each entry in clock-names. 13- clock-frequency: Constains desired I2C bus clock frequency in Hz. 14- #address-cells: Should be 1 to describe address cells for I2C device address. 15- #size-cells: Should be 0 means no size cell for I2C device address. 16 17Optional properties: 18- Child nodes conforming to I2C bus binding 19 20Examples: 21i2c0: i2c@70500000 { 22 compatible = "sprd,sc9860-i2c"; 23 reg = <0 0x70500000 0 0x1000>; 24 interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>; 25 clock-names = "i2c", "source", "enable"; 26 clocks = <&clk_i2c3>, <&ext_26m>, <&clk_ap_apb_gates 11>; 27 clock-frequency = <400000>; 28 #address-cells = <1>; 29 #size-cells = <0>; 30}; 31 32