arch/arm/boot/dts/st/ste-nomadik-nhk15.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/ste-nomadik-nhk15.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/ste-nomadik-nhk15.dts
Extension
.dts
Size
6085 bytes
Lines
265
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
/*
 * Device Tree for the ST Microelectronics Nomadik NHK8815 board
 */

/dts-v1/;
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
#include "ste-nomadik-stn8815.dtsi"

/ {
	model = "Nomadik STN8815NHK";
	compatible = "st,nomadik-nhk-15";

	chosen {
		bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
	};

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		stmpe-i2c0 = &stmpe0;
		stmpe-i2c1 = &stmpe1;
	};

	pinctrl {
		uart0 {
			uart0_nhk_mode: uart0_mux {
				u0_default_mux {
					function = "u0";
					groups = "u0txrx_a_1", "u0ctsrts_a_1";
				};
			};
		};

		stmpe2401_1 {
			stmpe2401_1_nhk_mode: stmpe2401_1_nhk {
				nhk_cfg1 {
					pins = "GPIO76_B20"; // IRQ line
					ste,input = <0>;
				};
				nhk_cfg2 {
					pins = "GPIO77_B8"; // reset line
					ste,output = <1>;
				};
			};
		};
		stmpe2401_2 {
			stmpe2401_2_nhk_mode: stmpe2401_2_nhk {
				nhk_cfg1 {
					pins = "GPIO78_A8"; // IRQ line
					ste,input = <0>;
				};
				nhk_cfg2 {
					pins = "GPIO79_C9"; // reset line
					ste,output = <1>;
				};
			};
		};
		lis3lv02dl {
			lis3lv02dl_nhk_mode: lis3lv02dl_nhk {
				nhk_cfg1 {
					pins = "GPIO82_C10"; // IRQ line
					ste,input = <0>;
				};
			};
		};
	};
	src@101e0000 {
		/* These chrystal outputs are not used on this board */

Annotation

Implementation Notes