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authorBalaji T K <balajitk@ti.com>2010-11-25 16:22:04 +0530
committerSandeep Paulraj <s-paulraj@ti.com>2010-12-11 10:56:01 -0500
commit3e664f6d50ea7f5d6ea96a028fc8f099236e99be (patch)
tree032ec5be00d6b17bfc491e9cbc4d34ee0cd01a88 /board/ti/sdp4430
parent917a62c0d292d9da45100a76151a9fa2d13a9cdc (diff)
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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>
Diffstat (limited to 'board/ti/sdp4430')
-rw-r--r--board/ti/sdp4430/Makefile2
-rw-r--r--board/ti/sdp4430/cmd_bat.c58
-rw-r--r--board/ti/sdp4430/sdp.c4
3 files changed, 63 insertions, 1 deletions
diff --git a/board/ti/sdp4430/Makefile b/board/ti/sdp4430/Makefile
index bce8534..f1ee544 100644
--- a/board/ti/sdp4430/Makefile
+++ b/board/ti/sdp4430/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
-COBJS := sdp.o
+COBJS := sdp.o cmd_bat.o
SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
diff --git a/board/ti/sdp4430/cmd_bat.c b/board/ti/sdp4430/cmd_bat.c
new file mode 100644
index 0000000..fe33538
--- /dev/null
+++ b/board/ti/sdp4430/cmd_bat.c
@@ -0,0 +1,58 @@
+/*
+ * 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 */
diff --git a/board/ti/sdp4430/sdp.c b/board/ti/sdp4430/sdp.c
index 01d5ce4..b13c4c5 100644
--- a/board/ti/sdp4430/sdp.c
+++ b/board/ti/sdp4430/sdp.c
@@ -23,6 +23,7 @@
* MA 02111-1307 USA
*/
#include <common.h>
+#include <twl6030.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mmc_host_def.h>
@@ -63,6 +64,9 @@ int board_eth_init(bd_t *bis)
*/
int misc_init_r(void)
{
+#ifdef CONFIG_TWL6030_POWER
+ twl6030_init_battery_charging();
+#endif
return 0;
}