diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/include/linux/platform_data/ad5449.h | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/include/linux/platform_data/ad5449.h')
| -rw-r--r-- | kernel/include/linux/platform_data/ad5449.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/include/linux/platform_data/ad5449.h b/kernel/include/linux/platform_data/ad5449.h new file mode 100644 index 000000000..bd712bd4b --- /dev/null +++ b/kernel/include/linux/platform_data/ad5449.h @@ -0,0 +1,40 @@ +/* + * AD5415, AD5426, AD5429, AD5432, AD5439, AD5443, AD5449 Digital to Analog + * Converter driver. + * + * Copyright 2012 Analog Devices Inc. + * Author: Lars-Peter Clausen <lars@metafoo.de> + * + * Licensed under the GPL-2. + */ + +#ifndef __LINUX_PLATFORM_DATA_AD5449_H__ +#define __LINUX_PLATFORM_DATA_AD5449_H__ + +/** + * enum ad5449_sdo_mode - AD5449 SDO pin configuration + * @AD5449_SDO_DRIVE_FULL: Drive the SDO pin with full strength. + * @AD5449_SDO_DRIVE_WEAK: Drive the SDO pin with not full strength. + * @AD5449_SDO_OPEN_DRAIN: Operate the SDO pin in open-drain mode. + * @AD5449_SDO_DISABLED: Disable the SDO pin, in this mode it is not possible to + * read back from the device. + */ +enum ad5449_sdo_mode { + AD5449_SDO_DRIVE_FULL = 0x0, + AD5449_SDO_DRIVE_WEAK = 0x1, + AD5449_SDO_OPEN_DRAIN = 0x2, + AD5449_SDO_DISABLED = 0x3, +}; + +/** + * struct ad5449_platform_data - Platform data for the ad5449 DAC driver + * @sdo_mode: SDO pin mode + * @hardware_clear_to_midscale: Whether asserting the hardware CLR pin sets the + * outputs to midscale (true) or to zero scale(false). + */ +struct ad5449_platform_data { + enum ad5449_sdo_mode sdo_mode; + bool hardware_clear_to_midscale; +}; + +#endif |