arch/arm/boot/dts/ti/omap/am3517-som.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/am3517-som.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/am3517-som.dtsi
Extension
.dtsi
Size
6337 bytes
Lines
243
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) 2016 Derald D. Woods <woods.technical@gmail.com>
 *
 * Based on am3517-evm.dts
 */

/ {
	cpus {
		cpu@0 {
			cpu0-supply = <&vdd_core_reg>;
		};
	};

	wl12xx_buffer: wl12xx_buf {
		compatible = "regulator-fixed";
		regulator-name = "wl1271_buf";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		pinctrl-names = "default";
		pinctrl-0 = <&wl12xx_buffer_pins>;
		gpio = <&gpio5 1 GPIO_ACTIVE_LOW>; /* gpio 129 */
		regulator-always-on;
		vin-supply = <&vdd_1v8_reg>;
	};

	wl12xx_vmmc2: wl12xx_vmmc2 {
		compatible = "regulator-fixed";
		regulator-name = "vwl1271";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		pinctrl-names = "default";
		pinctrl-0 = <&wl12xx_wkup_pins>;
		gpio = <&gpio1 3 GPIO_ACTIVE_HIGH >; /* gpio 3 */
		startup-delay-us = <70000>;
		enable-active-high;
		regulator-always-on;
		vin-supply = <&wl12xx_buffer>;
	};
};

&gpmc {
	ranges = <0 0 0x30000000 0x1000000>;	/* CS0: 16MB for NAND */

	nand@0,0 {
		compatible = "ti,omap2-nand";
		reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
		nand-bus-width = <16>;
		ti,nand-ecc-opt = "bch8";
		gpmc,sync-clk-ps = <0>;
		gpmc,cs-on-ns = <0>;
		gpmc,cs-rd-off-ns = <44>;
		gpmc,cs-wr-off-ns = <44>;
		gpmc,adv-on-ns = <6>;
		gpmc,adv-rd-off-ns = <34>;
		gpmc,adv-wr-off-ns = <44>;
		gpmc,we-off-ns = <40>;
		gpmc,oe-off-ns = <54>;
		gpmc,access-ns = <64>;
		gpmc,rd-cycle-ns = <82>;
		gpmc,wr-cycle-ns = <82>;
		gpmc,wr-access-ns = <40>;
		gpmc,wr-data-mux-bus-ns = <0>;
		gpmc,device-width = <2>;
		#address-cells = <1>;
		#size-cells = <1>;
	};
};

&i2c1 {

Annotation

Implementation Notes