arch/arm64/boot/dts/apple/t602x-nvme.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/apple/t602x-nvme.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/apple/t602x-nvme.dtsi
Extension
.dtsi
Size
1426 bytes
Lines
43
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 MIT
/*
 * NVMe related devices for Apple T602x SoCs.
 *
 * Copyright The Asahi Linux Contributors
 */

	DIE_NODE(ans_mbox): mbox@347408000 {
		compatible = "apple,t6020-asc-mailbox", "apple,asc-mailbox-v4";
		reg = <0x3 0x47408000 0x0 0x4000>;
		interrupt-parent = <&aic>;
		interrupts = <AIC_IRQ DIE_NO 1169 IRQ_TYPE_LEVEL_HIGH>,
			<AIC_IRQ DIE_NO 1170 IRQ_TYPE_LEVEL_HIGH>,
			<AIC_IRQ DIE_NO 1171 IRQ_TYPE_LEVEL_HIGH>,
			<AIC_IRQ DIE_NO 1172 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-names = "send-empty", "send-not-empty",
			"recv-empty", "recv-not-empty";
		power-domains = <&DIE_NODE(ps_ans2)>;
		#mbox-cells = <0>;
	};

	DIE_NODE(sart): sart@34bc50000 {
		compatible = "apple,t6020-sart", "apple,t6000-sart";
		reg = <0x3 0x4bc50000 0x0 0x10000>;
		power-domains = <&DIE_NODE(ps_ans2)>;
	};

	DIE_NODE(nvme): nvme@34bcc0000 {
		compatible = "apple,t6020-nvme-ans2", "apple,t8103-nvme-ans2";
		reg = <0x3 0x4bcc0000 0x0 0x40000>, <0x3 0x47400000 0x0 0x4000>;
		reg-names = "nvme", "ans";
		interrupt-parent = <&aic>;
		/* The NVME interrupt is always routed to die 0 */
		interrupts = <AIC_IRQ 0 1832 IRQ_TYPE_LEVEL_HIGH>;
		mboxes = <&DIE_NODE(ans_mbox)>;
		apple,sart = <&DIE_NODE(sart)>;
		power-domains = <&DIE_NODE(ps_ans2)>,
			<&DIE_NODE(ps_apcie_st_sys)>,
			<&DIE_NODE(ps_apcie_st1_sys)>;
		power-domain-names = "ans", "apcie0", "apcie1";
		resets = <&DIE_NODE(ps_ans2)>;
	};

Annotation

Implementation Notes