diff options
author | Wolfram Sang <wsa@the-dreams.de> | 2017-05-21 22:34:43 +0200 |
---|---|---|
committer | Guenter Roeck <linux@roeck-us.net> | 2017-06-11 17:08:19 -0700 |
commit | 4ba1bb12cf21f4ee4681aee939c4d9d82d6f49f2 (patch) | |
tree | 8fe7c9b64784c200638ba2760415634cc8df807e /include/linux/pmbus.h | |
parent | 0c9fe1614126171c70e0dc0b0635d45a327ac82a (diff) |
hwmon: (pmbus) move header file out of I2C realm
include/linux/i2c is not for client devices. Move the header file to a
more appropriate location.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'include/linux/pmbus.h')
-rw-r--r-- | include/linux/pmbus.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/include/linux/pmbus.h b/include/linux/pmbus.h new file mode 100644 index 000000000000..ee3c2aba2a8e --- /dev/null +++ b/include/linux/pmbus.h @@ -0,0 +1,49 @@ +/* + * Hardware monitoring driver for PMBus devices + * + * Copyright (c) 2010, 2011 Ericsson AB. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _PMBUS_H_ +#define _PMBUS_H_ + +/* flags */ + +/* + * PMBUS_SKIP_STATUS_CHECK + * + * During register detection, skip checking the status register for + * communication or command errors. + * + * Some PMBus chips respond with valid data when trying to read an unsupported + * register. For such chips, checking the status register is mandatory when + * trying to determine if a chip register exists or not. + * Other PMBus chips don't support the STATUS_CML register, or report + * communication errors for no explicable reason. For such chips, checking + * the status register must be disabled. + */ +#define PMBUS_SKIP_STATUS_CHECK (1 << 0) + +struct pmbus_platform_data { + u32 flags; /* Device specific flags */ + + /* regulator support */ + int num_regulators; + struct regulator_init_data *reg_init_data; +}; + +#endif /* _PMBUS_H_ */ |