arch/arm/boot/dts/vt8500/wm8750.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/vt8500/wm8750.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/vt8500/wm8750.dtsi
Extension
.dtsi
Size
8532 bytes
Lines
353
Domain
Architecture Layer
Bucket
arch/arm
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-or-later
/*
 * wm8750.dtsi - Device tree file for Wondermedia WM8750 SoC
 *
 * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz>
 */

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "wm,wm8750";

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,arm1176jzf";
			reg = <0x0>;
		};
	};

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
		serial3 = &uart3;
		serial4 = &uart4;
		serial5 = &uart5;
		i2c0 = &i2c_0;
		i2c1 = &i2c_1;
	};

	soc {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "simple-bus";
		ranges;
		interrupt-parent = <&intc0>;

		intc0: interrupt-controller@d8140000 {
			compatible = "via,vt8500-intc";
			interrupt-controller;
			reg = <0xd8140000 0x10000>;
			#interrupt-cells = <1>;
		};

		/* Secondary IC cascaded to intc0 */
		intc1: interrupt-controller@d8150000 {
			compatible = "via,vt8500-intc";
			interrupt-controller;
			#interrupt-cells = <1>;
			reg = <0xD8150000 0x10000>;
			interrupts = <56 57 58 59 60 61 62 63>;
		};

		pinctrl: pinctrl@d8110000 {
			compatible = "wm,wm8750-pinctrl";
			reg = <0xd8110000 0x10000>;
			interrupt-controller;
			#interrupt-cells = <2>;
			gpio-controller;
			#gpio-cells = <2>;
		};

		chipid@d8120000 {
			compatible = "via,vt8500-scc-id";
			reg = <0xd8120000 0x4>;
		};

Annotation

Implementation Notes