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authorRhyland Klein <rklein@nvidia.com>2011-02-28 19:55:28 -0500
committerAnton Vorontsov <cbouatmailru@gmail.com>2011-03-01 14:24:01 -0500
commitbb879101606dd7235d8f4ecd0f707b63281d0838 (patch)
tree74aae7149b888a1e54f23608314f795ee992d47f /include/linux/power
parentb5db7cde69f87178fb771970a2b512a452a9d680 (diff)
bq20z75: Add optional battery detect gpio
Adding support for an optional gpio for battery detection. This is passed in through the i2c platform data. It also accepts another field, battery_detect_present to signify the gpio state which means the battery is present, either 0 (low) or 1 (high). Signed-off-by: Rhyland Klein <rklein@nvidia.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Diffstat (limited to 'include/linux/power')
-rw-r--r--include/linux/power/bq20z75.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/power/bq20z75.h b/include/linux/power/bq20z75.h
new file mode 100644
index 000000000000..0e1b8a26a9b1
--- /dev/null
+++ b/include/linux/power/bq20z75.h
@@ -0,0 +1,37 @@
1/*
2 * Gas Gauge driver for TI's BQ20Z75
3 *
4 * Copyright (c) 2010, NVIDIA Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 */
20
21#ifndef __LINUX_POWER_BQ20Z75_H_
22#define __LINUX_POWER_BQ20Z75_H_
23
24#include <linux/power_supply.h>
25#include <linux/types.h>
26
27/**
28 * struct bq20z75_platform_data - platform data for bq20z75 devices
29 * @battery_detect: GPIO which is used to detect battery presence
30 * @battery_detect_present: gpio state when battery is present (0 / 1)
31 */
32struct bq20z75_platform_data {
33 int battery_detect;
34 int battery_detect_present;
35};
36
37#endif