1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/power/pmic/muic_max8997.c b/drivers/power/pmic/muic_max8997.c
new file mode 100644
index 0000000000..d5095c899e
--- /dev/null
+++ b/drivers/power/pmic/muic_max8997.c
@@ -0,0 +1,90 @@
+/*
+ *  Copyright (C) 2012 Samsung Electronics
+ *  Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * 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 <power/pmic.h>
+#include <power/power_chrg.h>
+#include <power/max8997_muic.h>
+#include <i2c.h>
+#include <errno.h>
+
+static int power_chrg_get_type(struct pmic *p)
+{
+	unsigned int val;
+	unsigned char charge_type, charger;
+
+	if (pmic_probe(p))
+		return CHARGER_NO;
+
+	pmic_reg_read(p, MAX8997_MUIC_STATUS2, &val);
+	charge_type = val & MAX8997_MUIC_CHG_MASK;
+
+	switch (charge_type) {
+	case MAX8997_MUIC_CHG_NO:
+		charger = CHARGER_NO;
+		break;
+	case MAX8997_MUIC_CHG_USB:
+	case MAX8997_MUIC_CHG_USB_D:
+		charger = CHARGER_USB;
+		break;
+	case MAX8997_MUIC_CHG_TA:
+	case MAX8997_MUIC_CHG_TA_1A:
+		charger = CHARGER_TA;
+		break;
+	case MAX8997_MUIC_CHG_TA_500:
+		charger = CHARGER_TA_500;
+		break;
+	default:
+		charger = CHARGER_UNKNOWN;
+		break;
+	}
+
+	return charger;
+}
+
+static struct power_chrg power_chrg_muic_ops = {
+	.chrg_type = power_chrg_get_type,
+};
+
+int power_muic_init(unsigned int bus)
+{
+	static const char name[] = "MAX8997_MUIC";
+	struct pmic *p = pmic_alloc();
+
+	if (!p) {
+		printf("%s: POWER allocation error!\n", __func__);
+		return -ENOMEM;
+	}
+
+	debug("Board Micro USB Interface Controller init\n");
+
+	p->name = name;
+	p->interface = PMIC_I2C;
+	p->number_of_regs = MUIC_NUM_OF_REGS;
+	p->hw.i2c.addr = MAX8997_MUIC_I2C_ADDR;
+	p->hw.i2c.tx_num = 1;
+	p->bus = bus;
+
+	p->chrg = &power_chrg_muic_ops;
+	return 0;
+}