arch/arm64/boot/dts/ti/k3-am64-main.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am64-main.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am64-main.dtsi
Extension
.dtsi
Size
47663 bytes
Lines
1679
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-only OR MIT
/*
 * Device Tree Source for AM642 SoC Family Main Domain peripherals
 *
 * Copyright (C) 2020-2024 Texas Instruments Incorporated - https://www.ti.com/
 */

#include <dt-bindings/phy/phy-cadence.h>
#include <dt-bindings/phy/phy-ti.h>

/ {
	serdes_refclk: clock-cmnrefclk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <0>;
	};
};

&cbass_main {
	oc_sram: sram@70000000 {
		compatible = "mmio-sram";
		reg = <0x00 0x70000000 0x00 0x200000>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x0 0x00 0x70000000 0x200000>;

		tfa-sram@1c0000 {
			reg = <0x1c0000 0x20000>;
		};

		dmsc-sram@1e0000 {
			reg = <0x1e0000 0x1c000>;
		};

		sproxy-sram@1fc000 {
			reg = <0x1fc000 0x4000>;
		};
	};

	main_conf: syscon@43000000 {
		bootph-all;
		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
		reg = <0x0 0x43000000 0x0 0x20000>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x0 0x0 0x43000000 0x20000>;

		chipid@14 {
			bootph-all;
			compatible = "ti,am654-chipid";
			reg = <0x00000014 0x4>;
		};

		pcie0_ctrl: pcie-ctrl@4070 {
			compatible = "ti,j784s4-pcie-ctrl", "syscon";
			reg = <0x4070 0x4>;
		};

		serdes_ln_ctrl: mux-controller@4080 {
			compatible = "reg-mux";
			reg = <0x4080 0x4>;
			#mux-control-cells = <1>;
			mux-reg-masks = <0x0 0x3>; /* SERDES0 lane0 select */
		};

		phy_gmii_sel: phy@4044 {
			compatible = "ti,am654-phy-gmii-sel";
			reg = <0x4044 0x8>;
			#phy-cells = <1>;
		};

Annotation

Implementation Notes