162306a36Sopenharmony_ciI2C for Spreadtrum platforms 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciRequired properties: 462306a36Sopenharmony_ci- compatible: Should be "sprd,sc9860-i2c". 562306a36Sopenharmony_ci- reg: Specify the physical base address of the controller and length 662306a36Sopenharmony_ci of memory mapped region. 762306a36Sopenharmony_ci- interrupts: Should contain I2C interrupt. 862306a36Sopenharmony_ci- clock-names: Should contain following entries: 962306a36Sopenharmony_ci "i2c" for I2C clock, 1062306a36Sopenharmony_ci "source" for I2C source (parent) clock, 1162306a36Sopenharmony_ci "enable" for I2C module enable clock. 1262306a36Sopenharmony_ci- clocks: Should contain a clock specifier for each entry in clock-names. 1362306a36Sopenharmony_ci- clock-frequency: Contains desired I2C bus clock frequency in Hz. 1462306a36Sopenharmony_ci- #address-cells: Should be 1 to describe address cells for I2C device address. 1562306a36Sopenharmony_ci- #size-cells: Should be 0 means no size cell for I2C device address. 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ciOptional properties: 1862306a36Sopenharmony_ci- Child nodes conforming to I2C bus binding 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ciExamples: 2162306a36Sopenharmony_cii2c0: i2c@70500000 { 2262306a36Sopenharmony_ci compatible = "sprd,sc9860-i2c"; 2362306a36Sopenharmony_ci reg = <0 0x70500000 0 0x1000>; 2462306a36Sopenharmony_ci interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>; 2562306a36Sopenharmony_ci clock-names = "i2c", "source", "enable"; 2662306a36Sopenharmony_ci clocks = <&clk_i2c3>, <&ext_26m>, <&clk_ap_apb_gates 11>; 2762306a36Sopenharmony_ci clock-frequency = <400000>; 2862306a36Sopenharmony_ci #address-cells = <1>; 2962306a36Sopenharmony_ci #size-cells = <0>; 3062306a36Sopenharmony_ci}; 3162306a36Sopenharmony_ci 32