drivers:power:max77693: add support for new multi function pmic max77693

This patch add support for new multi function pmic max77693.
The driver is split into three modules: pmic, muic and fuelgage.

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>
diff --git a/include/power/max77693_muic.h b/include/power/max77693_muic.h
new file mode 100644
index 0000000..a2c29eb
--- /dev/null
+++ b/include/power/max77693_muic.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ * Piotr Wilczek <p.wilczek@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __MAX77693_MUIC_H_
+#define __MAX77693_MUIC_H_
+
+#include <power/power_chrg.h>
+
+/*
+ * MUIC REGISTER
+ */
+
+#define MAX77693_MUIC_PREFIX	"max77693-muic:"
+
+/* MAX77693_MUIC_STATUS1 */
+#define MAX77693_MUIC_ADC_MASK	0x1F
+
+/* MAX77693_MUIC_STATUS2 */
+#define MAX77693_MUIC_CHG_NO		0x00
+#define MAX77693_MUIC_CHG_USB		0x01
+#define MAX77693_MUIC_CHG_USB_D		0x02
+#define MAX77693_MUIC_CHG_TA		0x03
+#define MAX77693_MUIC_CHG_TA_500	0x04
+#define MAX77693_MUIC_CHG_TA_1A		0x05
+#define MAX77693_MUIC_CHG_MASK		0x07
+
+/* MAX77693_MUIC_CONTROL1 */
+#define MAX77693_MUIC_CTRL1_DN1DP2	((0x1 << 3) | 0x1)
+#define MAX77693_MUIC_CTRL1_UT1UR2	((0x3 << 3) | 0x3)
+#define MAX77693_MUIC_CTRL1_ADN1ADP2	((0x4 << 3) | 0x4)
+#define MAX77693_MUIC_CTRL1_AUT1AUR2	((0x5 << 3) | 0x5)
+#define MAX77693_MUIC_CTRL1_MASK	0xC0
+
+#define MUIC_PATH_USB	0
+#define MUIC_PATH_UART	1
+
+#define MUIC_PATH_CP	0
+#define MUIC_PATH_AP	1
+
+enum muic_path {
+	MUIC_PATH_USB_CP,
+	MUIC_PATH_USB_AP,
+	MUIC_PATH_UART_CP,
+	MUIC_PATH_UART_AP,
+};
+
+/* MAX 777693 MUIC registers */
+enum {
+	MAX77693_MUIC_ID	= 0x00,
+	MAX77693_MUIC_INT1	= 0x01,
+	MAX77693_MUIC_INT2	= 0x02,
+	MAX77693_MUIC_INT3	= 0x03,
+	MAX77693_MUIC_STATUS1	= 0x04,
+	MAX77693_MUIC_STATUS2	= 0x05,
+	MAX77693_MUIC_STATUS3	= 0x06,
+	MAX77693_MUIC_INTMASK1	= 0x07,
+	MAX77693_MUIC_INTMASK2	= 0x08,
+	MAX77693_MUIC_INTMASK3	= 0x09,
+	MAX77693_MUIC_CDETCTRL	= 0x0A,
+	MAX77693_MUIC_CONTROL1	= 0x0C,
+	MAX77693_MUIC_CONTROL2	= 0x0D,
+	MAX77693_MUIC_CONTROL3	= 0x0E,
+
+	MUIC_NUM_OF_REGS	= 0x0F,
+};
+
+#define MAX77693_MUIC_I2C_ADDR	(0x4A >> 1)
+
+int power_muic_init(unsigned int bus);
+#endif /* __MAX77693_MUIC_H_ */