GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/arm/dts/da850-lego-ev3.dts

@@ -0,0 +1,89 @@
+/*
+ * Device tree for LEGO MINDSTORMS EV3
+ *
+ * Copyright (C) 2017 David Lechner <david@lechnology.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * This is an absolute minimum device tree instead of using the one from Linux
+ * because the bootloader on the EV3 is limited to 256k. This saves us >10k.
+ */
+
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "lego,ev3", "ti,da850";
+	model = "LEGO MINDSTORMS EV3";
+
+	aliases {
+		serial1 = &serial1;
+		spi0 = &spi0;
+	};
+
+	chosen {
+		stdout-path = &serial1;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0xc0000000 0x04000000>;
+	};
+
+	arm {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		intc: interrupt-controller@fffee000 {
+			compatible = "ti,cp-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			ti,intc-size = <101>;
+			reg = <0xfffee000 0x2000>;
+		};
+	};
+
+	soc@1c00000 {
+		compatible = "simple-bus";
+		model = "da850";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x01c00000 0x400000>;
+		interrupt-parent = <&intc>;
+
+		mmc0: mmc@40000 {
+			compatible = "ti,da830-mmc";
+			reg = <0x40000 0x1000>;
+			cap-sd-highspeed;
+			cap-mmc-highspeed;
+			interrupts = <16>;
+			max-frequency = <50000000>;
+			bus-width = <4>;
+		};
+
+		spi0: spi@41000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "ti,da830-spi";
+			reg = <0x41000 0x1000>;
+			num-cs = <6>;
+			ti,davinci-spi-intr-line = <1>;
+			interrupts = <20>;
+
+			flash@0 {
+				compatible = "micron,n25q128a13", "jedec,spi-nor", "spi-flash";
+				reg = <0>;
+				spi-max-frequency = <50000000>;
+			};
+		};
+
+		serial1: serial@10c000 {
+			compatible = "ti,da830-uart", "ns16550a";
+			reg = <0x10c000 0x100>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			interrupts = <53>;
+		};
+	};
+};