arch/arm/boot/dts/intel/pxa/pxa25x.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/intel/pxa/pxa25x.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/intel/pxa/pxa25x.dtsi
Extension
.dtsi
Size
2585 bytes
Lines
119
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
/*
 * Copyright (C) 2016 Robert Jarzmik <robert.jarzmik@free.fr>
 */
#include "pxa2xx.dtsi"
#include "dt-bindings/clock/pxa-clock.h"

/ {
	model = "Marvell PXA25x family SoC";
	compatible = "marvell,pxa250";

	clocks {
	       /*
		* The muxing of external clocks/internal dividers for osc* clock
		* sources has been hidden under the carpet by now.
		*/
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		clks: pxa2xx_clks@41300004 {
			compatible = "marvell,pxa250-core-clocks";
			#clock-cells = <1>;
			status = "okay";
		};

		/* timer oscillator */
		clktimer: oscillator {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency  = <3686400>;
			clock-output-names = "ostimer";
		};
	};

	pxabus {
		pdma: dma-controller@40000000 {
			compatible = "marvell,pdma-1.0";
			reg = <0x40000000 0x10000>;
			interrupts = <25>;
			#dma-cells = <2>;
			/* For backwards compatibility: */
			#dma-channels = <16>;
			dma-channels = <16>;
			#dma-requests = <40>;
			dma-requests = <40>;
			status = "okay";
		};

		pxairq: interrupt-controller@40d00000 {
			marvell,intc-priority;
			marvell,intc-nr-irqs = <32>;
		};

		pinctrl: pinctrl@40e00000 {
			reg = <0x40e00054 0x20 0x40e0000c 0xc 0x40e0010c 4
			       0x40f00020 0x10>;
			compatible = "marvell,pxa25x-pinctrl";
		};

		gpio: gpio@40e00000 {
			compatible = "intel,pxa25x-gpio";
			gpio-ranges = <&pinctrl 0 0 84>;
			clocks = <&clks CLK_NONE>;
		};

		pwm0: pwm@40b00000 {
			compatible = "marvell,pxa250-pwm";
			reg = <0x40b00000 0x10>;
			#pwm-cells = <1>;

Annotation

Implementation Notes