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authorRhyland Klein <rklein@nvidia.com>2011-02-28 16:55:28 -0800
committerAnton Vorontsov <cbouatmailru@gmail.com>2011-03-01 22:24:01 +0300
commitbb879101606dd7235d8f4ecd0f707b63281d0838 (patch)
tree74aae7149b888a1e54f23608314f795ee992d47f /include/linux/power
parentb5db7cde69f87178fb771970a2b512a452a9d680 (diff)
downloadop-kernel-dev-bb879101606dd7235d8f4ecd0f707b63281d0838.zip
op-kernel-dev-bb879101606dd7235d8f4ecd0f707b63281d0838.tar.gz
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 0000000..0e1b8a2
--- /dev/null
+++ b/include/linux/power/bq20z75.h
@@ -0,0 +1,37 @@
+/*
+ * Gas Gauge driver for TI's BQ20Z75
+ *
+ * Copyright (c) 2010, NVIDIA Corporation.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __LINUX_POWER_BQ20Z75_H_
+#define __LINUX_POWER_BQ20Z75_H_
+
+#include <linux/power_supply.h>
+#include <linux/types.h>
+
+/**
+ * struct bq20z75_platform_data - platform data for bq20z75 devices
+ * @battery_detect: GPIO which is used to detect battery presence
+ * @battery_detect_present: gpio state when battery is present (0 / 1)
+ */
+struct bq20z75_platform_data {
+ int battery_detect;
+ int battery_detect_present;
+};
+
+#endif
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