arch/arm/boot/dts/ti/omap/omap3-igep.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/omap3-igep.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/omap3-igep.dtsi
Extension
.dtsi
Size
6130 bytes
Lines
247
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
/*
 * Common device tree for IGEP boards based on AM/DM37x
 *
 * Copyright (C) 2012 Javier Martinez Canillas <javier@dowhile0.org>
 * Copyright (C) 2012 Enric Balletbo i Serra <eballetbo@gmail.com>
 */
/dts-v1/;

#include "omap36xx.dtsi"

/ {
	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x20000000>; /* 512 MB */
	};

	chosen {
		stdout-path = &uart3;
	};

	sound {
		compatible = "ti,omap-twl4030";
		ti,model = "igep2";
		ti,mcbsp = <&mcbsp2>;
	};

	vdd33: regulator-vdd33 {
		compatible = "regulator-fixed";
		regulator-name = "vdd33";
		regulator-always-on;
	};

};

&omap3_pmx_core {
	gpmc_pins: gpmc-pins {
		pinctrl-single,pins = <
			/* OneNAND seems to require PIN_INPUT on clock. */
                        OMAP3_CORE1_IOPAD(0x20be, PIN_INPUT | MUX_MODE0)        /* gpmc_clk.gpmc_clk */
		>;
	};

	uart1_pins: uart1-pins {
		pinctrl-single,pins = <
			OMAP3_CORE1_IOPAD(0x2182, PIN_INPUT | MUX_MODE0)	/* uart1_rx.uart1_rx */
			OMAP3_CORE1_IOPAD(0x217c, PIN_OUTPUT | MUX_MODE0)	/* uart1_tx.uart1_tx */
		>;
	};

	uart3_pins: uart3-pins {
		pinctrl-single,pins = <
			OMAP3_CORE1_IOPAD(0x219e, PIN_INPUT | MUX_MODE0)	/* uart3_rx.uart3_rx */
			OMAP3_CORE1_IOPAD(0x21a0, PIN_OUTPUT | MUX_MODE0)	/* uart3_tx.uart3_tx */
		>;
	};

	mcbsp2_pins: mcbsp2-pins {
		pinctrl-single,pins = <
			OMAP3_CORE1_IOPAD(0x213c, PIN_INPUT | MUX_MODE0)	/* mcbsp2_fsx.mcbsp2_fsx */
			OMAP3_CORE1_IOPAD(0x213e, PIN_INPUT | MUX_MODE0)	/* mcbsp2_clkx.mcbsp2_clkx */
			OMAP3_CORE1_IOPAD(0x2140, PIN_INPUT | MUX_MODE0)	/* mcbsp2_dr.mcbsp2.dr */
			OMAP3_CORE1_IOPAD(0x2142, PIN_OUTPUT | MUX_MODE0)	/* mcbsp2_dx.mcbsp2_dx */
		>;
	};

	mmc1_pins: mmc1-pins {
		pinctrl-single,pins = <
			OMAP3_CORE1_IOPAD(0x2144, PIN_INPUT_PULLUP | MUX_MODE0)	/* sdmmc1_clk.sdmmc1_clk */
			OMAP3_CORE1_IOPAD(0x2146, PIN_INPUT_PULLUP | MUX_MODE0)	/* sdmmc1_cmd.sdmmc1_cmd */

Annotation

Implementation Notes