diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-10-29 14:02:37 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-10-29 22:31:18 +0100 |
| commit | 6cb9aa9202831cc1d0f99f206facd9c19bc1c642 (patch) | |
| tree | 3ee93a049815d36c7f49846f140ea6dab2c78c42 /include/linux/w1-gpio.h | |
| parent | 6b21594df08f6f569ca86dfb80d03f2d9aa32920 (diff) | |
| download | barebox-6cb9aa9202831cc1d0f99f206facd9c19bc1c642.tar.gz barebox-6cb9aa9202831cc1d0f99f206facd9c19bc1c642.tar.xz | |
1-wire: add gpio bus
Based on linux implementation.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/linux/w1-gpio.h')
| -rw-r--r-- | include/linux/w1-gpio.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/w1-gpio.h b/include/linux/w1-gpio.h new file mode 100644 index 0000000000..065e3ae79a --- /dev/null +++ b/include/linux/w1-gpio.h @@ -0,0 +1,25 @@ +/* + * 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; + void (*enable_external_pullup)(int enable); + unsigned int ext_pullup_enable_pin; +}; + +#endif /* _LINUX_W1_GPIO_H */ |