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+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: Constains 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 = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+ clock-names = "i2c", "source", "enable";
+ clocks = <&clk_i2c3>, <&ext_26m>, <&clk_ap_apb_gates 11>;
+ clock-frequency = <400000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+};
+