ARM: dts: keystone-k2g: Add SPI nodes

Add nodes for the various SPI instances.
Signed-off-by: NVitaly Andrianov <vitalya@ti.com>
Signed-off-by: NFranklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: NSantosh Shilimkar <ssantosh@kernel.org>

arch/arm/boot/dts/keystone-k2g.dtsi

@@ -503,5 +503,53 @@
 			clock-names = "fck";
 			status = "disabled";
 		};
+
+		spi0: spi@21805400 {
+			compatible = "ti,keystone-spi";
+			reg = <0x21805400 0x200>;
+			num-cs = <4>;
+			ti,davinci-spi-intr-line = <0>;
+			interrupts = <GIC_SPI 64 IRQ_TYPE_EDGE_RISING>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			power-domains = <&k2g_pds 0x0010>;
+			clocks = <&k2g_clks 0x0010 0>;
+		};
+
+		spi1: spi@21805800 {
+			compatible = "ti,keystone-spi";
+			reg = <0x21805800 0x200>;
+			num-cs = <4>;
+			ti,davinci-spi-intr-line = <0>;
+			interrupts = <GIC_SPI 66 IRQ_TYPE_EDGE_RISING>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			power-domains = <&k2g_pds 0x0011>;
+			clocks = <&k2g_clks 0x0011 0>;
+		};
+
+		spi2: spi@21805c00 {
+			compatible = "ti,keystone-spi";
+			reg = <0x21805C00 0x200>;
+			num-cs = <4>;
+			ti,davinci-spi-intr-line = <0>;
+			interrupts = <GIC_SPI 68 IRQ_TYPE_EDGE_RISING>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			power-domains = <&k2g_pds 0x0012>;
+			clocks = <&k2g_clks 0x0012 0>;
+		};
+
+		spi3: spi@21806000 {
+			compatible = "ti,keystone-spi";
+			reg = <0x21806000 0x200>;
+			num-cs = <4>;
+			ti,davinci-spi-intr-line = <0>;
+			interrupts = <GIC_SPI 70 IRQ_TYPE_EDGE_RISING>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			power-domains = <&k2g_pds 0x0013>;
+			clocks = <&k2g_clks 0x0013 0>;
+		};
 	};
 };