power🔋 add battery support for Trats2 board

Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

drivers/power/battery/Makefile

@@ -10,6 +10,7 @@ include $(TOPDIR)/config.mk
 LIB	:= $(obj)libbattery.o
 
 COBJS-$(CONFIG_POWER_BATTERY_TRATS) += bat_trats.o
+COBJS-$(CONFIG_POWER_BATTERY_TRATS2) += bat_trats2.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)

drivers/power/battery/bat_trats2.c

@@ -0,0 +1,65 @@
+/*
+ *  Copyright (C) 2013 Samsung Electronics
+ *  Piotr Wilczek <p.wilczek@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <power/pmic.h>
+#include <power/battery.h>
+#include <power/max8997_pmic.h>
+#include <errno.h>
+
+static struct battery battery_trats;
+
+static int power_battery_charge(struct pmic *bat)
+{
+	struct power_battery *p_bat = bat->pbat;
+
+	if (bat->chrg->chrg_state(p_bat->chrg, CHARGER_ENABLE, 450))
+		return -1;
+
+	return 0;
+}
+
+static int power_battery_init_trats2(struct pmic *bat_,
+				    struct pmic *fg_,
+				    struct pmic *chrg_,
+				    struct pmic *muic_)
+{
+	bat_->pbat->fg = fg_;
+	bat_->pbat->chrg = chrg_;
+	bat_->pbat->muic = muic_;
+
+	bat_->fg = fg_->fg;
+	bat_->chrg = chrg_->chrg;
+	bat_->chrg->chrg_type = muic_->chrg->chrg_type;
+	return 0;
+}
+
+static struct power_battery power_bat_trats2 = {
+	.bat = &battery_trats,
+	.battery_init = power_battery_init_trats2,
+	.battery_charge = power_battery_charge,
+};
+
+int power_bat_init(unsigned char bus)
+{
+	static const char name[] = "BAT_TRATS2";
+	struct pmic *p = pmic_alloc();
+
+	if (!p) {
+		printf("%s: POWER allocation error!\n", __func__);
+		return -ENOMEM;
+	}
+
+	debug("Board BAT init\n");
+
+	p->interface = PMIC_NONE;
+	p->name = name;
+	p->bus = bus;
+
+	p->pbat = &power_bat_trats2;
+	return 0;
+}