arch/riscv/boot/dts/microchip/mpfs-disco-kit-fabric.dtsi

Source file repositories/reference/linux-study-clean/arch/riscv/boot/dts/microchip/mpfs-disco-kit-fabric.dtsi

File Facts

System
Linux kernel
Corpus path
arch/riscv/boot/dts/microchip/mpfs-disco-kit-fabric.dtsi
Extension
.dtsi
Size
1530 bytes
Lines
59
Domain
Architecture Layer
Bucket
arch/riscv
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)
/* Copyright (c) 2020-2025 Microchip Technology Inc */

/ {
	core_pwm0: pwm@40000000 {
		compatible = "microchip,corepwm-rtl-v4";
		reg = <0x0 0x40000000 0x0 0xF0>;
		microchip,sync-update-mask = /bits/ 32 <0>;
		#pwm-cells = <3>;
		clocks = <&ccc_sw CLK_CCC_PLL0_OUT3>;
		status = "disabled";
	};

	i2c2: i2c@40000200 {
		compatible = "microchip,corei2c-rtl-v7";
		reg = <0x0 0x40000200 0x0 0x100>;
		#address-cells = <1>;
		#size-cells = <0>;
		clocks = <&ccc_sw CLK_CCC_PLL0_OUT3>;
		interrupt-parent = <&plic>;
		interrupts = <122>;
		clock-frequency = <100000>;
		status = "disabled";
	};

	ihc: mailbox {
		compatible = "microchip,sbi-ipc";
		interrupt-parent = <&plic>;
		interrupts = <180>, <179>, <178>, <177>;
		interrupt-names = "hart-1", "hart-2", "hart-3", "hart-4";
		#mbox-cells = <1>;
		status = "disabled";
	};

	mailbox@50000000 {
		compatible = "microchip,miv-ihc-rtl-v2";
		reg = <0x0 0x50000000 0x0 0x1c000>;
		interrupt-parent = <&plic>;
		interrupts = <180>, <179>, <178>, <177>;
		interrupt-names = "hart-1", "hart-2", "hart-3", "hart-4";
		#mbox-cells = <1>;
		microchip,ihc-chan-disabled-mask = /bits/ 16 <0>;
		status = "disabled";
	};

	refclk_ccc: clock-cccref {
		compatible = "fixed-clock";
		#clock-cells = <0>;
	};
};

&ccc_sw {
	clocks = <&refclk_ccc>, <&refclk_ccc>, <&refclk_ccc>, <&refclk_ccc>,
		 <&refclk_ccc>, <&refclk_ccc>;
	clock-names = "pll0_ref0", "pll0_ref1", "pll1_ref0", "pll1_ref1",
		      "dll0_ref", "dll1_ref";
	status = "okay";
};

Annotation

Implementation Notes