summaryrefslogtreecommitdiff
path: root/include/linux/power/bq2415x_charger.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/power/bq2415x_charger.h')
-rw-r--r--include/linux/power/bq2415x_charger.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/include/linux/power/bq2415x_charger.h b/include/linux/power/bq2415x_charger.h
new file mode 100644
index 000000000..50762af8b
--- /dev/null
+++ b/include/linux/power/bq2415x_charger.h
@@ -0,0 +1,58 @@
+/*
+ * bq2415x charger driver
+ *
+ * Copyright (C) 2011-2013 Pali Rohár <pali.rohar@gmail.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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef BQ2415X_CHARGER_H
+#define BQ2415X_CHARGER_H
+
+/*
+ * This is platform data for bq2415x chip. It contains default board
+ * voltages and currents which can be also later configured via sysfs. If
+ * value is -1 then default chip value (specified in datasheet) will be
+ * used.
+ *
+ * Value resistor_sense is needed for for configuring charge and
+ * termination current. It it is less or equal to zero, configuring charge
+ * and termination current will not be possible.
+ *
+ * For automode support is needed to provide name of power supply device
+ * in value notify_device. Device driver must immediately report property
+ * POWER_SUPPLY_PROP_CURRENT_MAX when current changed.
+ */
+
+/* Supported modes with maximal current limit */
+enum bq2415x_mode {
+ BQ2415X_MODE_OFF, /* offline mode (charger disabled) */
+ BQ2415X_MODE_NONE, /* unknown charger (100mA) */
+ BQ2415X_MODE_HOST_CHARGER, /* usb host/hub charger (500mA) */
+ BQ2415X_MODE_DEDICATED_CHARGER, /* dedicated charger (unlimited) */
+ BQ2415X_MODE_BOOST, /* boost mode (charging disabled) */
+};
+
+struct bq2415x_platform_data {
+ int current_limit; /* mA */
+ int weak_battery_voltage; /* mV */
+ int battery_regulation_voltage; /* mV */
+ int charge_current; /* mA */
+ int termination_current; /* mA */
+ int resistor_sense; /* m ohm */
+ const char *notify_device; /* name */
+};
+
+#endif