arch/arc/boot/dts/vdk_axs10x_mb.dtsi

Source file repositories/reference/linux-study-clean/arch/arc/boot/dts/vdk_axs10x_mb.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arc/boot/dts/vdk_axs10x_mb.dtsi
Extension
.dtsi
Size
2884 bytes
Lines
127
Domain
Architecture Layer
Bucket
arch/arc
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Support for peripherals on the AXS10x mainboard (VDK version)
 *
 * Copyright (C) 2013-15 Synopsys, Inc. (www.synopsys.com)
 */

/ {
	axs10x_mb_vdk {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x00000000 0xe0000000 0x10000000>;
		interrupt-parent = <&mb_intc>;

		clocks {
			apbclk: apbclk {
				compatible = "fixed-clock";
				clock-frequency = <50000000>;
				#clock-cells = <0>;
			};

			mmcclk: mmcclk {
				compatible = "fixed-clock";
				clock-frequency = <50000000>;
				#clock-cells = <0>;
			};

			pguclk: pguclk {
				#clock-cells = <0>;
				compatible = "fixed-clock";
				clock-frequency = <25175000>;
			};
		};

		ethernet@18000 {
			#interrupt-cells = <1>;
			compatible = "snps,dwmac";
			reg = < 0x18000 0x2000 >;
			interrupts = < 4 >;
			interrupt-names = "macirq";
			phy-mode = "rgmii";
			snps,phy-addr = < 0 >;  // VDK model phy address is 0
			snps,pbl = < 32 >;
			clocks = <&apbclk>;
			clock-names = "stmmaceth";
		};

		usb@40000 {
			compatible = "generic-ehci";
			reg = < 0x40000 0x100 >;
			interrupts = < 8 >;
		};

		uart@20000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x20000 0x100>;
			clock-frequency = <2403200>;
			interrupts = <17>;
			baud = <115200>;
			reg-shift = <2>;
			reg-io-width = <4>;
		};

		uart@21000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x21000 0x100>;
			clock-frequency = <2403200>;
			interrupts = <18>;
			baud = <115200>;

Annotation

Implementation Notes