GPIO Subsystem

Collaboration diagram for GPIO Subsystem:

Modules
	GPIO Pin Subsystem

Data Structures
struct	gpio_generic
struct	gpio_pin_generic

Functions
struct gpio *	gpio_init (uint32_t index)
int32_t	gpio_deinit (struct gpio *gpio)

Detailed Description

#include <gpio.h>

This is the GPIO Subsystem for controlling GPIO of a SOC.

Function Documentation

gpio_deinit()

int32_t gpio_deinit

(

struct gpio *

gpio

)

Deinit GPIO Subssystem

Parameters

gpio	GPIO Handle

Returns

-1 on Error 0 on ok

gpio_init()

struct gpio* gpio_init

(

uint32_t

index

)

Init GPIO Subssystem

Returns

GPIO Handle