arm:trats:pmic: Enable battery support at Samsung's TRATS board

Support for TRATS battery has been added. It is treated as a "normal"
power related device and thereof controlled by pmic/power subsystem.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>

board/samsung/trats/trats.c

@@ -39,6 +39,7 @@
 #include <power/max8997_pmic.h>
 #include <libtizen.h>
 #include <power/max8997_muic.h>
+#include <power/battery.h>
 #include <power/max17042_fg.h>
 
 #include "setup.h"
@@ -245,6 +246,7 @@ int power_init_board(void)
 	ret |= pmic_init_max8997();
 	ret |= power_fg_init(I2C_9);
 	ret |= power_muic_init(I2C_5);
+	ret |= power_bat_init(0);
 	if (ret)
 		return ret;
 

include/configs/trats.h

@@ -242,6 +242,8 @@
 #define CONFIG_POWER_FG_MAX17042
 #define CONFIG_POWER_MUIC
 #define CONFIG_POWER_MUIC_MAX8997
+#define CONFIG_POWER_BATTERY
+#define CONFIG_POWER_BATTERY_TRATS
 #define CONFIG_USB_GADGET
 #define CONFIG_USB_GADGET_S3C_UDC_OTG
 #define CONFIG_USB_GADGET_DUALSPEED