[PATCH v4] arm64: dts: add all hi6220 i2c nodes

[Xinwei Kong]

This patch adds all I2C nodes for the Hi6220 SoC. This hi6220 Soc
use this I2C IP of Synopsys Designware for HiKey board.

Signed-off-by: Xinwei Kong <kong.kongxinwei at hisilicon.com>
Signed-off-by: Chen Feng <puck.chen at hisilicon.com>
---
 arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 34 +++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
index 82d2488..8cec56a 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
@@ -208,5 +208,39 @@
 			clock-names = "uartclk", "apb_pclk";
 			status = "disabled";
 		};
+
+		i2c0: i2c at f7100000 {
+			compatible = "snps,designware-i2c";
+			reg = <0x0 0xf7100000 0x0 0x1000>;
+			interrupts = <0 44 4>;
+			clocks = <&sys_ctrl HI6220_I2C0_CLK>;
+			i2c-sda-hold-time-ns = <300>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c0_pmx_func &i2c0_cfg_func>;
+			status = "disabled";
+		};
+
+		i2c1: i2c at f7101000 {
+			compatible = "snps,designware-i2c";
+			reg = <0x0 0xf7101000 0x0 0x1000>;
+			clocks = <&sys_ctrl HI6220_I2C1_CLK>;
+			interrupts = <0 45 4>;
+			i2c-sda-hold-time-ns = <300>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c1_pmx_func &i2c1_cfg_func>;
+			status = "disabled";
+		};
+
+		i2c2: i2c at f7102000 {
+			compatible = "snps,designware-i2c";
+			reg = <0x0 0xf7102000 0x0 0x1000>;
+			clocks = <&sys_ctrl HI6220_I2C2_CLK>;
+			interrupts = <0 46 4>;
+			i2c-sda-hold-time-ns = <300>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c2_pmx_func &i2c2_cfg_func>;
+			status = "disabled";
+		};
+
 	};
 };
-- 
1.9.1