arch/arm64/boot/dts/freescale/imx8dxl-ss-hsio.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8dxl-ss-hsio.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8dxl-ss-hsio.dtsi
Extension
.dtsi
Size
1757 bytes
Lines
62
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+
/*
 * Copyright 2024 NXP
 */

&hsio_subsys {
	phyx1_lpcg: clock-controller@5f090000 {
		compatible = "fsl,imx8qxp-lpcg";
		reg = <0x5f090000 0x10000>;
		clocks = <&hsio_refb_clk>, <&hsio_per_clk>,
			 <&hsio_per_clk>, <&hsio_per_clk>;
		#clock-cells = <1>;
		clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_1>,
				<IMX_LPCG_CLK_2>, <IMX_LPCG_CLK_4>;
		clock-output-names = "hsio_phyx1_pclk",
				     "hsio_phyx1_epcs_tx_clk",
				     "hsio_phyx1_epcs_rx_clk",
				     "hsio_phyx1_apb_clk";
		power-domains = <&pd IMX_SC_R_SERDES_1>;
	};

	hsio_phy: phy@5f1a0000 {
		compatible = "fsl,imx8qxp-hsio";
		reg = <0x5f1a0000 0x10000>,
		      <0x5f120000 0x10000>,
		      <0x5f140000 0x10000>,
		      <0x5f160000 0x10000>;
		reg-names = "reg", "phy", "ctrl", "misc";
		clocks = <&phyx1_lpcg IMX_LPCG_CLK_0>,
			 <&phyx1_lpcg IMX_LPCG_CLK_4>,
			 <&phyx1_crr1_lpcg IMX_LPCG_CLK_4>,
			 <&pcieb_crr3_lpcg IMX_LPCG_CLK_4>,
			 <&misc_crr5_lpcg IMX_LPCG_CLK_4>;
		clock-names = "pclk0", "apb_pclk0", "phy0_crr", "ctl0_crr",
			      "misc_crr";
		#phy-cells = <3>;
		power-domains = <&pd IMX_SC_R_SERDES_1>;
		status = "disabled";
	};

	pcie0: pcie@5f010000 {
		#interrupt-cells = <1>;
		interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-names = "msi";
		interrupt-map = <0 0 0 1 &gic GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>,
				<0 0 0 2 &gic GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
				<0 0 0 3 &gic GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
				<0 0 0 4 &gic GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-map-mask = <0 0 0 0x7>;
	};

	pcie0_ep: pcie-ep@5f010000 {
		interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-names = "dma";
	};
};

&pcieb_ep {
	interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
	interrupt-names = "dma";
};

Annotation

Implementation Notes