arm64: dts: zynqmp: Wire zynqmp qspi controller

Add missing ZynqMP qspi IP. It works in single mode only.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/5cebbc59a452f282c4ce0f0e1dffecadac8f126a.1611224800.git.michal.simek@xilinx.com

arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi

@@ -164,6 +164,10 @@ &pcie {
 	clocks = <&zynqmp_clk PCIE_REF>;
 };
 
+&qspi {
+	clocks = <&zynqmp_clk QSPI_REF>, <&zynqmp_clk LPD_LSBUS>;
+};
+
 &sata {
 	clocks = <&zynqmp_clk SATA_REF>;
 };

arch/arm64/boot/dts/xilinx/zynqmp.dtsi

@@ -595,6 +595,20 @@ pcie_intc: legacy-interrupt-controller {
 			};
 		};
 
+		qspi: spi@ff0f0000 {
+			compatible = "xlnx,zynqmp-qspi-1.0";
+			status = "disabled";
+			clock-names = "ref_clk", "pclk";
+			interrupts = <0 15 4>;
+			interrupt-parent = <&gic>;
+			num-cs = <1>;
+			reg = <0x0 0xff0f0000 0x0 0x1000>,
+			      <0x0 0xc0000000 0x0 0x8000000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			power-domains = <&zynqmp_firmware PD_QSPI>;
+		};
+
 		psgtr: phy@fd400000 {
 			compatible = "xlnx,zynqmp-psgtr-v1.1";
 			status = "disabled";