arch/arm64/boot/dts/freescale/imx93-9x9-qsb-can1.dtso

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx93-9x9-qsb-can1.dtso

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx93-9x9-qsb-can1.dtso
Extension
.dtso
Size
1189 bytes
Lines
64
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+ OR MIT)
/*
 * Copyright 2025 NXP
 */

#include <dt-bindings/gpio/gpio.h>
#include "imx93-pinfunc.h"

/dts-v1/;
/plugin/;

&{/} {
	flexcan_phy: can-phy {
		compatible = "nxp,tja1057";
		#phy-cells = <0>;
		max-bitrate = <5000000>;
		silent-gpios = <&pcal6524 23 GPIO_ACTIVE_HIGH>;
	};
};

&flexcan1 {
	phys = <&flexcan_phy>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flexcan1>;
	status = "okay";
};

&iomuxc {
	pinctrl_flexcan1: flexcan1grp {
		fsl,pins = <
			MX93_PAD_PDM_CLK__CAN1_TX		0x139e
			MX93_PAD_PDM_BIT_STREAM0__CAN1_RX	0x139e
		>;
	};
};

/* micfi1 use the A port, conflict with can1 */
&micfil {
	status = "disabled";
};

&pcal6524 {
	/*
	 * mic-can-sel-hog have property 'output-low', dt overlay don't
	 * support /delete-property/. Both 'output-low' and 'output-high'
	 * will be exist under hog nodes if overlay file set 'output-high'.
	 * Workaround is disable this hog and create new hog with
	 * 'output-high'.
	 */
	mic-can-sel-hog {
		status = "disabled";
	};

	/*
	 * Config the MIC/CAN_SEL to high, chose B
	 * port, connect to CAN.
	 */
	mic-can-high-sel-hog {
		gpio-hog;
		gpios = <0x11 0x00>;
		output-high;
	};
};

Annotation

Implementation Notes