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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /include/linux/gpio-fan.h
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'include/linux/gpio-fan.h')
-rw-r--r--include/linux/gpio-fan.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/gpio-fan.h b/include/linux/gpio-fan.h
new file mode 100644
index 000000000000..096659169215
--- /dev/null
+++ b/include/linux/gpio-fan.h
@@ -0,0 +1,36 @@
1/*
2 * include/linux/gpio-fan.h
3 *
4 * Platform data structure for GPIO fan driver
5 *
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
10
11#ifndef __LINUX_GPIO_FAN_H
12#define __LINUX_GPIO_FAN_H
13
14struct gpio_fan_alarm {
15 unsigned gpio;
16 unsigned active_low;
17};
18
19struct gpio_fan_speed {
20 int rpm;
21 int ctrl_val;
22};
23
24struct gpio_fan_platform_data {
25 int num_ctrl;
26 unsigned *ctrl; /* fan control GPIOs. */
27 struct gpio_fan_alarm *alarm; /* fan alarm GPIO. */
28 /*
29 * Speed conversion array: rpm from/to GPIO bit field.
30 * This array _must_ be sorted in ascending rpm order.
31 */
32 int num_speed;
33 struct gpio_fan_speed *speed;
34};
35
36#endif /* __LINUX_GPIO_FAN_H */