arm64: dts: hisilicon: hi3670: Add UFS controller support

Add UFS controller support for HiSilicon HI3670 SoC.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arch/arm64/boot/dts/hisilicon/hi3670.dtsi

@@ -655,6 +655,24 @@ gpio28: gpio@fff1d000 {
 			clock-names = "apb_pclk";
 		};
 
+		/* UFS */
+		ufs: ufs@ff3c0000 {
+			compatible = "hisilicon,hi3670-ufs", "jedec,ufs-2.1";
+			/* 0: HCI standard */
+			/* 1: UFS SYS CTRL */
+			reg = <0x0 0xff3c0000 0x0 0x1000>,
+				<0x0 0xff3e0000 0x0 0x1000>;
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg_ctrl HI3670_CLK_GATE_UFSIO_REF>,
+				<&crg_ctrl HI3670_CLK_GATE_UFS_SUBSYS>;
+			clock-names = "ref_clk", "phy_clk";
+			freq-table-hz = <0 0>, <0 0>;
+			/* offset: 0x84; bit: 12 */
+			resets = <&crg_rst 0x84 12>;
+			reset-names = "rst";
+		};
+
 		/* SD */
 		dwmmc1: dwmmc1@ff37f000 {
 			compatible = "hisilicon,hi3670-dw-mshc",