Merge pull request #157 from kongzizaixian/tracing-hikey-iic

iic: hisi: add iic dts supports

arch/arm64/boot/dts/hisilicon/hi6220.dtsi

@@ -320,7 +320,40 @@
                         clock-names = "uartclk", "apb_pclk";
                 };
 
+		i2c0: i2c@f7100000 {
+			compatible = "snps,designware-i2c";
+			reg = <0x0 0xf7100000 0x0 0x1000>;
+			interrupts = <0 44 4>;
+			clocks = <&sys_ctrl HI6220_I2C0_CLK>;
+			clock-names = "clk_i2c0";
+			i2c-sda-hold-time-ns = <300>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c0_pmx_func &i2c0_cfg_func>;
+			status = "ok";
+		};
+
+		i2c1: i2c@f7101000 {
+			compatible = "snps,designware-i2c";
+			reg = <0x0 0xf7101000 0x0 0x1000>;
+			interrupts = <0 45 4>;
+			clocks = <&sys_ctrl HI6220_I2C1_CLK>;
+			clock-names = "clk_i2c1";
+			i2c-sda-hold-time-ns = <300>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c1_pmx_func &i2c1_cfg_func>;
+			status = "ok";
+		};
+
 		i2c2: i2c@f7102000 {
+			compatible = "snps,designware-i2c";
+			reg = <0x0 0xf7102000 0x0 0x1000>;
+			interrupts = <0 46 4>;
+			clocks = <&sys_ctrl HI6220_I2C2_CLK>;
+			clock-names = "clk_i2c2";
+			i2c-sda-hold-time-ns = <300>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c2_pmx_func &i2c2_cfg_func>;
+			status = "ok";
 
        			adv7533: adv7533@39 {
  				compatible = "adi,adv7533";