arch/arm/boot/dts/renesas/r7s72100-gr-peach.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/renesas/r7s72100-gr-peach.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/renesas/r7s72100-gr-peach.dts
Extension
.dts
Size
2855 bytes
Lines
136
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 Source for the GR-Peach board
 *
 * Copyright (C) 2017 Jacopo Mondi <jacopo+renesas@jmondi.org>
 * Copyright (C) 2016 Renesas Electronics
 */

/dts-v1/;
#include "r7s72100.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/r7s72100-pinctrl.h>

/ {
	model = "GR-Peach";
	compatible = "renesas,gr-peach", "renesas,r7s72100";

	aliases {
		serial0 = &scif2;
	};

	chosen {
		bootargs = "ignore_loglevel rw root=/dev/mtdblock0";
		stdout-path = "serial0:115200n8";
	};

	memory@20000000 {
		device_type = "memory";
		reg = <0x20000000 0x00a00000>;
	};

	flash@18000000 {
		compatible = "mtd-rom";
		reg = <0x18000000 0x00800000>;
		bank-width = <4>;
		device-width = <1>;

		clocks = <&mstp9_clks R7S72100_CLK_SPIBSC0>;
		power-domains = <&cpg_clocks>;

		#address-cells = <1>;
		#size-cells = <1>;

		rootfs@600000 {
			label = "rootfs";
			reg = <0x00600000 0x00200000>;
		};
	};

	leds {
		status = "okay";
		compatible = "gpio-leds";

		led1 {
			gpios = <&port6 12 GPIO_ACTIVE_HIGH>;
		};
	};
};

&pinctrl {
	scif2_pins: serial2 {
		bootph-all;
		/* P6_2 as RxD2; P6_3 as TxD2 */
		pinmux = <RZA1_PINMUX(6, 2, 7)>, <RZA1_PINMUX(6, 3, 7)>;
	};

	ether_pins: ether {
		/* Ethernet on Ports 1,3,5,10 */
		pinmux = <RZA1_PINMUX(1, 14, 4)>, /* P1_14 = ET_COL   */
			 <RZA1_PINMUX(3, 0, 2)>,  /* P3_0 = ET_TXCLK  */

Annotation

Implementation Notes