arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
Extension
.dtsi
Size
1365 bytes
Lines
59
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 OR BSD-3-Clause)
/*
 *Copyright(c) 2018 Broadcom
 */
	usb-bus@68500000 {
		compatible = "simple-bus";
		#address-cells = <2>;
		#size-cells = <2>;
		ranges = <0x0 0x0 0x0 0x68500000 0x0 0x00400000>;

		/*
		 * Internally, USB bus to the interconnect can only address up
		 * to 40-bit
		 */
		dma-ranges = <0 0 0 0 0x100 0x0>;

		usbphy0: usb-phy@0 {
			compatible = "brcm,sr-usb-combo-phy";
			reg = <0x0 0x00000000 0x0 0x100>;
			#phy-cells = <1>;
			status = "disabled";
		};

		xhci0: usb@1000 {
			compatible = "generic-xhci";
			reg = <0x0 0x00001000 0x0 0x1000>;
			interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>;
			phys = <&usbphy0 1>, <&usbphy0 0>;
			phy-names = "phy0", "phy1";
			dma-coherent;
			status = "disabled";
		};

		usbphy1: usb-phy@10000 {
			compatible = "brcm,sr-usb-combo-phy";
			reg = <0x0 0x00010000 0x0 0x100>;
			#phy-cells = <1>;
			status = "disabled";
		};

		usbphy2: usb-phy@20000 {
			compatible = "brcm,sr-usb-hs-phy";
			reg = <0x0 0x00020000 0x0 0x100>;
			#phy-cells = <0>;
			status = "disabled";
		};

		xhci1: usb@11000 {
			compatible = "generic-xhci";
			reg = <0x0 0x00011000 0x0 0x1000>;
			interrupts = <GIC_SPI 263 IRQ_TYPE_LEVEL_HIGH>;
			phys = <&usbphy1 1>, <&usbphy2>, <&usbphy1 0>;
			phy-names = "phy0", "phy1", "phy2";
			dma-coherent;
			status = "disabled";
		};

	};

Annotation

Implementation Notes