arm64: dts: imx8dxl: add flexspi0 support

Add flexspi0 node at common lsio subsystem.
Change flexspi0 irq number for imx8dxl.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8-ss-lsio.dtsi

@@ -11,7 +11,8 @@ lsio_subsys: bus@5d000000 {
 	compatible = "simple-bus";
 	#address-cells = <1>;
 	#size-cells = <1>;
-	ranges = <0x5d000000 0x0 0x5d000000 0x1000000>;
+	ranges = <0x5d000000 0x0 0x5d000000 0x1000000>,
+		 <0x08000000 0x0 0x08000000 0x10000000>;
 
 	lsio_mem_clk: clock-lsio-mem {
 		compatible = "fixed-clock";
@@ -107,6 +108,20 @@ lsio_gpio7: gpio@5d0f0000 {
 		power-domains = <&pd IMX_SC_R_GPIO_7>;
 	};
 
+	flexspi0: spi@5d120000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "nxp,imx8qxp-fspi";
+		reg = <0x5d120000 0x10000>, <0x08000000 0x10000000>;
+		reg-names = "fspi_base", "fspi_mmap";
+		interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&clk IMX_SC_R_FSPI_0 IMX_SC_PM_CLK_PER>,
+			 <&clk IMX_SC_R_FSPI_0 IMX_SC_PM_CLK_PER>;
+		clock-names = "fspi", "fspi_en";
+		power-domains = <&pd IMX_SC_R_FSPI_0>;
+		status = "disabled";
+	};
+
 	lsio_mu0: mailbox@5d1b0000 {
 		reg = <0x5d1b0000 0x10000>;
 		interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/boot/dts/freescale/imx8dxl-ss-lsio.dtsi

@@ -3,6 +3,11 @@
  * Copyright 2019~2020, 2022 NXP
  */
 
+&flexspi0 {
+	compatible = "nxp,imx8dxl-fspi";
+	interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+};
+
 &lsio_gpio0 {
 	compatible = "fsl,imx8dxl-gpio", "fsl,imx35-gpio";
 	interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;