I2C for Spreadtrum platforms Required properties: - compatible: Should be "sprd,sc9860-i2c". - reg: Specify the physical base address of the controller and length of memory mapped region. - interrupts: Should contain I2C interrupt. - clock-names: Should contain following entries: "i2c" for I2C clock, "source" for I2C source (parent) clock, "enable" for I2C module enable clock. - clocks: Should contain a clock specifier for each entry in clock-names. - clock-frequency: Contains desired I2C bus clock frequency in Hz. - #address-cells: Should be 1 to describe address cells for I2C device address. - #size-cells: Should be 0 means no size cell for I2C device address. Optional properties: - Child nodes conforming to I2C bus binding Examples: i2c0: i2c@70500000 { compatible = "sprd,sc9860-i2c"; reg = <0 0x70500000 0 0x1000>; interrupts = ; clock-names = "i2c", "source", "enable"; clocks = <&clk_i2c3>, <&ext_26m>, <&clk_ap_apb_gates 11>; clock-frequency = <400000>; #address-cells = <1>; #size-cells = <0>; };