arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts
Extension
.dts
Size
2993 bytes
Lines
120
Domain
Architecture Layer
Bucket
arch/arm64
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+
/*
 * Copyright (c) 2024 Blaize, Inc. All rights reserved.
 */

/dts-v1/;

#include "blaize-blzp1600-som.dtsi"

/ {
	model = "Blaize BLZP1600 SoM1600P CB2 Development Board";

	compatible = "blaize,blzp1600-cb2", "blaize,blzp1600";

	aliases {
		serial0 = &uart0;
	};

	chosen {
		stdout-path = "serial0:115200";
	};
};

&i2c0 {
	clock-frequency = <100000>;
	status = "okay";
};

&i2c1 {
	clock-frequency = <100000>;
	status = "okay";
};

&i2c3 {
	clock-frequency = <100000>;
	status = "okay";

	gpio_expander: gpio@74 {
		compatible = "ti,tca9539";
		reg = <0x74>;
		gpio-controller;
		#gpio-cells = <2>;
		gpio-line-names = "RSP_PIN_7",	/* GPIO_0 */
				  "RSP_PIN_11",	/* GPIO_1 */
				  "RSP_PIN_13",	/* GPIO_2 */
				  "RSP_PIN_15",	/* GPIO_3 */
				  "RSP_PIN_27",	/* GPIO_4 */
				  "RSP_PIN_29",	/* GPIO_5 */
				  "RSP_PIN_31",	/* GPIO_6 */
				  "RSP_PIN_33",	/* GPIO_7 */
				  "RSP_PIN_37",	/* GPIO_8 */
				  "RSP_PIN_16",	/* GPIO_9 */
				  "RSP_PIN_18",	/* GPIO_10 */
				  "RSP_PIN_22",	/* GPIO_11 */
				  "RSP_PIN_28",	/* GPIO_12 */
				  "RSP_PIN_32",	/* GPIO_13 */
				  "RSP_PIN_36",	/* GPIO_14 */
				  "TP31";	/* GPIO_15 */
	};

	gpio_expander_m2: gpio@75 {
		compatible = "ti,tca9539";
		reg = <0x75>;
		gpio-controller;
		#gpio-cells = <2>;
		gpio-line-names = "M2_W_DIS1_N",	/* GPIO_0 */
				  "M2_W_DIS2_N",	/* GPIO_1 */
				  "M2_UART_WAKE_N",	/* GPIO_2 */
				  "M2_COEX3",		/* GPIO_3 */
				  "M2_COEX_RXD",	/* GPIO_4 */

Annotation

Implementation Notes