u-boot/board/ti/sdp4430/cmd_bat.c
Balaji T K 3e664f6d50 ARMV7: OMAP4: twl6030 add battery charging support
Add battery charging support twl6030 driver.
Add support for battery voltage and current measurements.
Add command to get battery status and start/stop battery charging from USB.

Signed-off-by: Balaji T K <balajitk@ti.com>
Tested-by: Steve Sakoman <steve.sakoman@linaro.org>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
2010-12-11 10:56:01 -05:00

58 lines
1.6 KiB
C

/*
* Copyright (C) 2010 Texas Instruments
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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
*/
#include <common.h>
#include <command.h>
#ifdef CONFIG_CMD_BAT
#include <twl6030.h>
int do_vbat(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
if (argc == 2) {
if (strncmp(argv[1], "startcharge", 12) == 0)
twl6030_start_usb_charging();
else if (strncmp(argv[1], "stopcharge", 11) == 0)
twl6030_stop_usb_charging();
else if (strncmp(argv[1], "status", 7) == 0) {
twl6030_get_battery_voltage();
twl6030_get_battery_current();
} else {
goto bat_cmd_usage;
}
} else {
goto bat_cmd_usage;
}
return 0;
bat_cmd_usage:
return cmd_usage(cmdtp);
}
U_BOOT_CMD(
bat, 2, 1, do_vbat,
"battery charging, voltage/current measurements",
"status - display battery voltage and current\n"
"bat startcharge - start charging via USB\n"
"bat stopcharge - stop charging\n"
);
#endif /* CONFIG_BAT_CMD */