arch/arm/boot/dts/samsung/exynos3250-pinctrl.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos3250-pinctrl.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos3250-pinctrl.dtsi
Extension
.dtsi
Size
13397 bytes
Lines
544
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
/*
 * Samsung's Exynos3250 SoCs pin-mux and pin-config device tree source
 *
 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * Samsung's Exynos3250 SoCs pin-mux and pin-config options are listed as device
 * tree nodes in this file.
 */

#include "exynos-pinctrl.h"

#define PIN_IN(_pin, _pull, _drv)					\
	pin- ## _pin {							\
		samsung,pins = #_pin;					\
		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;		\
		samsung,pin-pud = <EXYNOS_PIN_PULL_ ##_pull>;		\
		samsung,pin-drv = <EXYNOS4_PIN_DRV_ ##_drv>;		\
	}

#define PIN_SLP(_pin, _mode, _pull)					\
	pin- ## _pin {							\
		samsung,pins = #_pin;					\
		samsung,pin-con-pdn = <EXYNOS_PIN_PDN_ ##_mode>;	\
		samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_ ##_pull>;	\
	}

&pinctrl_0 {
	gpa0: gpa0-gpio-bank {
		gpio-controller;
		#gpio-cells = <2>;

		interrupt-controller;
		#interrupt-cells = <2>;
	};

	gpa1: gpa1-gpio-bank {
		gpio-controller;
		#gpio-cells = <2>;

		interrupt-controller;
		#interrupt-cells = <2>;
	};

	gpb: gpb-gpio-bank {
		gpio-controller;
		#gpio-cells = <2>;

		interrupt-controller;
		#interrupt-cells = <2>;
	};

	gpc0: gpc0-gpio-bank {
		gpio-controller;
		#gpio-cells = <2>;

		interrupt-controller;
		#interrupt-cells = <2>;
	};

	gpc1: gpc1-gpio-bank {
		gpio-controller;
		#gpio-cells = <2>;

		interrupt-controller;
		#interrupt-cells = <2>;
	};

	gpd0: gpd0-gpio-bank {

Annotation

Implementation Notes