arch/arm/boot/dts/st/ste-hrefv60plus-tvk.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/ste-hrefv60plus-tvk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/ste-hrefv60plus-tvk.dts
Extension
.dts
Size
1259 bytes
Lines
57
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-or-later
/*
 * Copyright 2012 ST-Ericsson AB
 *
 * Device Tree for the HREF version 60 or later with the TVK1281618 R2 UIB
 */

/dts-v1/;
#include "ste-db8500.dtsi"
#include "ste-href-ab8500.dtsi"
#include "ste-hrefv60plus.dtsi"
#include "ste-href-tvk1281618-r2.dtsi"

/ {
	model = "ST-Ericsson HREF (v60+) and TVK1281618 R2 UIB";
	compatible = "st-ericsson,hrefv60+", "st-ericsson,u8500";

	/* ST6G3244ME level translator for 1.8/2.9 V */
	vmmci: regulator-gpio {
		compatible = "regulator-gpio";

		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <2900000>;
		regulator-name = "mmci-reg";
		regulator-type = "voltage";

		startup-delay-us = <100>;

		states = <1800000 0x1
			  2900000 0x0>;

		gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
		enable-gpios = <&gpio5 9 GPIO_ACTIVE_HIGH>;
		enable-active-high;

		pinctrl-names = "default";
		pinctrl-0 = <&vmmci_default_mode>;
	};
};

&pinctrl {
	vmmci {
		vmmci_default_mode: vmmc_default {
			/* VMMCI level-shifter enable */
			default_hrefv60_cfg2 {
				pins = "GPIO169_D22";
				ste,config = <&gpio_out_hi>;
			};
			/* VMMCI level-shifter voltage select */
			default_hrefv60_cfg3 {
				pins = "GPIO5_AG6";
				ste,config = <&gpio_out_hi>;
			};
		};
	};
};

Annotation

Implementation Notes