arch/arm64/boot/dts/ti/k3-am69-sk-pcie0-ep.dtso

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am69-sk-pcie0-ep.dtso

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am69-sk-pcie0-ep.dtso
Extension
.dtso
Size
1380 bytes
Lines
54
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: arch/arm64
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-only OR MIT
/**
 * DT Overlay for enabling PCIE0 instances of PCIe in Endpoint Configuration
 * on AM69-SK.
 *
 * AM69-SK Product Link: https://www.ti.com/tool/SK-AM69
 *
 * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
 */

/dts-v1/;
/plugin/;

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/soc/ti,sci_pm_domain.h>

#include "k3-pinctrl.h"

/*
 * Since Root Complex and Endpoint modes are mutually exclusive
 * disable Root Complex mode.
 */
&pcie0_rc {
	status = "disabled";
};

&cbass_main {
	#address-cells = <2>;
	#size-cells = <2>;
	interrupt-parent = <&gic500>;

	pcie0_ep: pcie-ep@2900000 {
		compatible = "ti,j784s4-pcie-ep";
		reg = <0x00 0x02900000 0x00 0x1000>,
		      <0x00 0x02907000 0x00 0x400>,
		      <0x00 0x0d000000 0x00 0x00800000>,
		      <0x00 0x10000000 0x00 0x08000000>;
		reg-names = "intd_cfg", "user_cfg", "reg", "mem";
		interrupt-names = "link_state";
		interrupts = <GIC_SPI 318 IRQ_TYPE_EDGE_RISING>;
		max-link-speed = <3>;
		num-lanes = <4>;
		power-domains = <&k3_pds 332 TI_SCI_PD_EXCLUSIVE>;
		clocks = <&k3_clks 332 0>;
		clock-names = "fck";
		max-functions = /bits/ 8 <6>;
		max-virtual-functions = /bits/ 8 <4 4 4 4 0 0>;
		dma-coherent;
		phys = <&serdes1_pcie_link>;
		phy-names = "pcie-phy";
		ti,syscon-pcie-ctrl = <&pcie0_ctrl 0x0>;
	};
};

Annotation

Implementation Notes