arch/arm/boot/dts/ti/omap/am437x-cm-t43.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/am437x-cm-t43.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/am437x-cm-t43.dts
Extension
.dts
Size
10729 bytes
Lines
423
Domain
Architecture Layer
Bucket
arch/arm
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
/*
 * Copyright (C) 2015 CompuLab, Ltd. - https://www.compulab.co.il/
 */

/dts-v1/;

#include <dt-bindings/pinctrl/am43xx.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include "am4372.dtsi"

/ {
	model = "CompuLab CM-T43";
	compatible = "compulab,am437x-cm-t43", "ti,am4372", "ti,am43";

	leds {
		compatible = "gpio-leds";

		ledb {
			label = "cm-t43:green";
			gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
	};

	vmmc_3v3: fixedregulator-v3_3 {
		compatible = "regulator-fixed";
		regulator-name = "vmmc_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		enable-active-high;
	};
};

&am43xx_pinmux {
	pinctrl-names = "default";
	pinctrl-0 = <&cm_t43_led_pins>;

	cm_t43_led_pins: cm-t43-led-pins {
		pinctrl-single,pins = <
			AM4372_IOPAD(0xa78, MUX_MODE7)
		>;
	};

	i2c0_pins: i2c0-pins {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x988, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)  /* i2c0_sda.i2c0_sda */
			AM4372_IOPAD(0x98c, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)  /* i2c0_scl.i2c0_scl */
		>;
	};

	emmc_pins: emmc-pins {
		pinctrl-single,pins = <
			AM4372_IOPAD(0x820, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad8.mmc1_dat0 */
			AM4372_IOPAD(0x824, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad9.mmc1_dat1 */
			AM4372_IOPAD(0x828, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad10.mmc1_dat2 */
			AM4372_IOPAD(0x82c, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad11.mmc1_dat3 */
			AM4372_IOPAD(0x830, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad12.mmc1_dat4 */
			AM4372_IOPAD(0x834, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad13.mmc1_dat5 */
			AM4372_IOPAD(0x838, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad14.mmc1_dat6 */
			AM4372_IOPAD(0x83c, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad15.mmc1_dat7 */
			AM4372_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
			AM4372_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
		>;
	};

	spi0_pins: spi0-pins {
		pinctrl-single,pins = <

Annotation

Implementation Notes