arch/arm/boot/dts/broadcom/bcm4708-buffalo-wzr-1166dhp-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/broadcom/bcm4708-buffalo-wzr-1166dhp-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/broadcom/bcm4708-buffalo-wzr-1166dhp-common.dtsi
Extension
.dtsi
Size
3658 bytes
Lines
194
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 OR MIT
/*
 * Broadcom BCM470X / BCM5301X ARM platform code.
 * DTS for Buffalo WZR-1166DHP and WZR-1166DHP2
 *
 * Copyright (C) 2014 Rafał Miłecki <zajec5@gmail.com>
 * Copyright (C) 2022 SHIMAMOTO Takayoshi <takayoshi.shimamoto.360@gmail.com>
 */


#include "bcm4708.dtsi"
#include "bcm5301x-nand-cs0-bch8.dtsi"
#include <dt-bindings/leds/common.h>

/ {
	spi {
		compatible = "spi-gpio";
		num-chipselects = <1>;
		sck-gpios = <&chipcommon 7 0>;
		mosi-gpios = <&chipcommon 4 0>;
		cs-gpios = <&chipcommon 6 0>;
		#address-cells = <1>;
		#size-cells = <0>;

		hc595: gpio_spi@0 {
			compatible = "fairchild,74hc595";
			reg = <0>;
			registers-number = <1>;
			spi-max-frequency = <100000>;

			gpio-controller;
			#gpio-cells = <2>;

		};
	};

	leds {
		compatible = "gpio-leds";

		led-usb {
			/* label = "bcm53xx:blue:usb"; */
			function = LED_FUNCTION_USB;
			color = <LED_COLOR_ID_BLUE>;
			gpios = <&hc595 0 GPIO_ACTIVE_HIGH>;
			trigger-sources = <&ohci_port1>, <&ehci_port1>,
					  <&xhci_port1>, <&ohci_port2>,
					  <&ehci_port2>;
			linux,default-trigger = "usbport";
		};

		led-power0 {
			/* label = "bcm53xx:red:power"; */
			function = LED_FUNCTION_FAULT;
			color = <LED_COLOR_ID_RED>;
			gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
		};

		led-power1 {
			/* label = "bcm53xx:white:power"; */
			function = LED_FUNCTION_POWER;
			color = <LED_COLOR_ID_WHITE>;
			gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "default-on";
		};

		led-router0 {
			/*  label = "bcm53xx:blue:router"; */
			function = LED_FUNCTION_STATUS;
			color = <LED_COLOR_ID_BLUE>;
			gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;

Annotation

Implementation Notes