ARM: dts: at91: sam9x7: Add QSPI node

sam9x7 embedds One Octal Serial Peripheral Interface (OSPI)
Supporting up to 100 MHz DDR. Octal, TwinQuad, HyperFlash and
OctaFlash Protocols supported.

Signed-off-by: Durai Manickam KR <durai.manickamkr@microchip.com>

Author: duraikvddp

arch/arm/boot/dts/sam9x7.dtsi

@@ -315,6 +315,27 @@
 			clock-names = "pclk";
 		};
 
+		qspi: spi@f0014000 {
+			compatible = "microchip,sam9x7-ospi";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0xf0014000 0x100>, <0x60000000 0x20000000>;
+			reg-names = "qspi_base", "qspi_mmap";
+			interrupts = <35 IRQ_TYPE_LEVEL_HIGH 7>;
+			dmas = <&dma0
+				(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
+				 AT91_XDMAC_DT_PERID(26))>,
+			       <&dma0
+				(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
+				 AT91_XDMAC_DT_PERID(27))>;
+			dma-names = "tx", "rx";
+			clocks = <&pmc PMC_TYPE_PERIPHERAL 35>, <&pmc PMC_TYPE_GCK 35>;
+			clock-names = "pclk", "gclk";
+			assigned-clocks = <&pmc PMC_TYPE_GCK 35>;
+			assigned-clock-parents = <&pmc PMC_TYPE_CORE PMC_PLLADIV2>;
+			status = "disabled";
+		};
+
 		gpu: gfx2d@f0018000 {
 			compatible = "microchip,sam9x60-gfx2d";
 			reg = <0xf0018000 0x4000>;