diff options
| author | Akshay Saraswat <akshay.s@samsung.com> | 2013-02-25 01:13:00 +0000 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2013-03-12 17:06:03 +0900 |
| commit | 39d182d3de5dcfaeb7d6997be4ab764081ff529e (patch) | |
| tree | f5add23ca4bf9948c6cdef10ddb8183a64fcf905 /include/tmu.h | |
| parent | 07f17507c4309d3ccc1fbfd912d078a9ca609aba (diff) | |
| download | u-boot-midas-39d182d3de5dcfaeb7d6997be4ab764081ff529e.tar.gz u-boot-midas-39d182d3de5dcfaeb7d6997be4ab764081ff529e.tar.bz2 u-boot-midas-39d182d3de5dcfaeb7d6997be4ab764081ff529e.zip | |
Exynos5: TMU: Add driver for Thermal Management Unit
Adding Exynos Thermal Management Unit driver to monitor SOC
temperature and take actions corresponding to states of TMU.
Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'include/tmu.h')
| -rw-r--r-- | include/tmu.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/tmu.h b/include/tmu.h new file mode 100644 index 0000000000..da07a2211e --- /dev/null +++ b/include/tmu.h @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2012 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Akshay Saraswat <akshay.s@samsung.com> + * + * Thermal Management Unit + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _TMU_H +#define _TMU_H + +enum tmu_status_t { + TMU_STATUS_INIT = -1, + TMU_STATUS_NORMAL = 0, + TMU_STATUS_WARNING, + TMU_STATUS_TRIPPED, +}; + +/* + * Monitors status of the TMU device and exynos temperature + * + * @param temp pointer to the current temperature value + * @return enum tmu_status_t value, code indicating event to execute + * and -1 on error + */ +enum tmu_status_t tmu_monitor(int *temp); + +/* + * Initialize TMU device + * + * @param blob FDT blob + * @return int value, 0 for success + */ +int tmu_init(const void *blob); +#endif /* _THERMAL_H_ */ |