tegra20: fdt: add SPI SFLASH node

Add node for tegra20 SPI SFLASH controller to fdt.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>

arch/arm/dts/tegra20.dtsi

@@ -236,6 +236,18 @@
 		clocks = <&tegra_car 12>, <&tegra_car 124>;
 	};
 
+	spi@7000c380 {
+		compatible = "nvidia,tegra20-sflash";
+		reg = <0x7000c380 0x80>;
+		interrupts = <0 39 0x04>;
+		nvidia,dma-request-selector = <&apbdma 11>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+		/* PERIPH_ID_SPI1, PLLP_OUT0 */
+		clocks = <&tegra_car 43>;
+	};
+
 	i2c@7000c400 {
 		#address-cells = <1>;
 		#size-cells = <0>;

board/compulab/dts/tegra20-trimslice.dts

@@ -23,6 +23,11 @@
 		status = "disabled";
 	};
 
+	spi@7000c380 {
+		status = "okay";
+		spi-max-frequency = <25000000>;
+	};
+
 	i2c@7000c400 {
 		status = "disabled";
 	};