arm64: dts: imx8mp: add flexspi node

add node for the flexspi modul on imx8mp.
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mp.dtsi

@@ -37,6 +37,7 @@ aliases {
 		serial1 = &uart2;
 		serial2 = &uart3;
 		serial3 = &uart4;
+		spi0 = &flexspi;
 	};
 
 	cpus {
@@ -761,6 +762,21 @@ usdhc3: mmc@30b60000 {
 				status = "disabled";
 			};
 
+			flexspi: spi@30bb0000 {
+				compatible = "nxp,imx8mp-fspi";
+				reg = <0x30bb0000 0x10000>, <0x8000000 0x10000000>;
+				reg-names = "fspi_base", "fspi_mmap";
+				interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clk IMX8MP_CLK_QSPI_ROOT>,
+					 <&clk IMX8MP_CLK_QSPI_ROOT>;
+				clock-names = "fspi", "fspi_en";
+				assigned-clock-rates = <80000000>;
+				assigned-clocks = <&clk IMX8MP_CLK_QSPI>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
 			sdma1: dma-controller@30bd0000 {
 				compatible = "fsl,imx8mp-sdma", "fsl,imx8mq-sdma";
 				reg = <0x30bd0000 0x10000>;