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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-26 14:52:52 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-26 14:52:52 +0200
commit3cb603284b3d256ae9ae9e65887cee8416bfef15 (patch)
treea7012e9ca585c4ada1ff8896de326f540b460f80 /include
parent2355e4290336fcda4b4a799448f745155a000226 (diff)
parentc5794cfac09a585945e1632451900594db19393b (diff)
Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (26 commits) hwmon: (w83627ehf) Better fix for negative temperature values hwmon: (w83627ehf) Uninline is_word_sized hwmon: (lm75) Document why clones are not detected hwmon: (w83627ehf) Move fan pins check to a separate function hwmon: (w83627ehf) Skip reading unused voltage registers hwmon: (lm75) Add support for Analog Devices ADT75 hwmon: (pmbus_core) Simplify sign extensions hwmon: (pmbus) Add support for Lineage Power DC-DC converters hwmon: (pmbus/ltc2978) Add support for LTC3880 to LTC2978 driver hwmon: (pmbus/ltc2978) Explicit driver for LTC2978 hwmon: (pmbus) Add support for TEMP2 peak attributes hwmon: AD7314 driver (ported from IIO) hwmon: (pmbus) Add support for Intersil power management chips hwmon: (pmbus) Always call _pmbus_read_byte in core driver hwmon: (pmbus) Replace EINVAL return codes with more appropriate errors hwmon: (pmbus) Provide more documentation hwmon/f71882fg: Make the decision wether to register fan attr. per fan hwmon/f71882fg: Add a f71882fg_create_fan_sysfs_files helper function hwmon/f71882fg: Make all fan/pwm attr tables 2 dimensional hwmon: (exynos4_tmu) Remove IRQF_DISABLED ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/platform_data/exynos4_tmu.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/include/linux/platform_data/exynos4_tmu.h b/include/linux/platform_data/exynos4_tmu.h
new file mode 100644
index 00000000000..39e038cca59
--- /dev/null
+++ b/include/linux/platform_data/exynos4_tmu.h
@@ -0,0 +1,83 @@
+/*
+ * exynos4_tmu.h - Samsung EXYNOS4 TMU (Thermal Management Unit)
+ *
+ * Copyright (C) 2011 Samsung Electronics
+ * Donggeun Kim <dg77.kim@samsung.com>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _LINUX_EXYNOS4_TMU_H
+#define _LINUX_EXYNOS4_TMU_H
+
+enum calibration_type {
+ TYPE_ONE_POINT_TRIMMING,
+ TYPE_TWO_POINT_TRIMMING,
+ TYPE_NONE,
+};
+
+/**
+ * struct exynos4_tmu_platform_data
+ * @threshold: basic temperature for generating interrupt
+ * 25 <= threshold <= 125 [unit: degree Celsius]
+ * @trigger_levels: array for each interrupt levels
+ * [unit: degree Celsius]
+ * 0: temperature for trigger_level0 interrupt
+ * condition for trigger_level0 interrupt:
+ * current temperature > threshold + trigger_levels[0]
+ * 1: temperature for trigger_level1 interrupt
+ * condition for trigger_level1 interrupt:
+ * current temperature > threshold + trigger_levels[1]
+ * 2: temperature for trigger_level2 interrupt
+ * condition for trigger_level2 interrupt:
+ * current temperature > threshold + trigger_levels[2]
+ * 3: temperature for trigger_level3 interrupt
+ * condition for trigger_level3 interrupt:
+ * current temperature > threshold + trigger_levels[3]
+ * @trigger_level0_en:
+ * 1 = enable trigger_level0 interrupt,
+ * 0 = disable trigger_level0 interrupt
+ * @trigger_level1_en:
+ * 1 = enable trigger_level1 interrupt,
+ * 0 = disable trigger_level1 interrupt
+ * @trigger_level2_en:
+ * 1 = enable trigger_level2 interrupt,
+ * 0 = disable trigger_level2 interrupt
+ * @trigger_level3_en:
+ * 1 = enable trigger_level3 interrupt,
+ * 0 = disable trigger_level3 interrupt
+ * @gain: gain of amplifier in the positive-TC generator block
+ * 0 <= gain <= 15
+ * @reference_voltage: reference voltage of amplifier
+ * in the positive-TC generator block
+ * 0 <= reference_voltage <= 31
+ * @cal_type: calibration type for temperature
+ *
+ * This structure is required for configuration of exynos4_tmu driver.
+ */
+struct exynos4_tmu_platform_data {
+ u8 threshold;
+ u8 trigger_levels[4];
+ bool trigger_level0_en;
+ bool trigger_level1_en;
+ bool trigger_level2_en;
+ bool trigger_level3_en;
+
+ u8 gain;
+ u8 reference_voltage;
+
+ enum calibration_type cal_type;
+};
+#endif /* _LINUX_EXYNOS4_TMU_H */