mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-15 08:44:14 +08:00
ad8dc96e3b
Add a GPIO 1-wire bus master driver. The driver used the GPIO API to control the wire and the GPIO pin can be specified using platform data similar to i2c-gpio. The driver was tested with AT91SAM9260 + DS2401. Signed-off-by: Ville Syrjala <syrjala@sci.fi> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
24 lines
616 B
C
24 lines
616 B
C
/*
|
|
* w1-gpio interface to platform code
|
|
*
|
|
* Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2
|
|
* as published by the Free Software Foundation.
|
|
*/
|
|
#ifndef _LINUX_W1_GPIO_H
|
|
#define _LINUX_W1_GPIO_H
|
|
|
|
/**
|
|
* struct w1_gpio_platform_data - Platform-dependent data for w1-gpio
|
|
* @pin: GPIO pin to use
|
|
* @is_open_drain: GPIO pin is configured as open drain
|
|
*/
|
|
struct w1_gpio_platform_data {
|
|
unsigned int pin;
|
|
unsigned int is_open_drain:1;
|
|
};
|
|
|
|
#endif /* _LINUX_W1_GPIO_H */
|