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>

3 files changed, 166 insertions, 0 deletions

diff --git a/include/power/max77693_fg.h b/include/power/max77693_fg.h
new file mode 100644
index 0000000000..42626ed839
--- /dev/null
+++ b/include/power/max77693_fg.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ * Piotr Wilczek <p.wilczek@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __MAX77693_FG_H_
+#define __MAX77693_FG_H_
+
+/* MAX 77693 registers */
+enum {
+	MAX77693_STATUS		= 0x00,
+	MAX77693_SOCREP		= 0x06,
+	MAX77693_VCELL		= 0x09,
+	MAX77693_CURRENT	= 0x0A,
+	MAX77693_AVG_CURRENT	= 0x0B,
+	MAX77693_SOCMIX		= 0x0D,
+	MAX77693_SOCAV		= 0x0E,
+	MAX77693_DESIGN_CAP	= 0x18,
+	MAX77693_AVG_VCELL	= 0x19,
+	MAX77693_CONFIG		= 0x1D,
+	MAX77693_VERSION	= 0x21,
+	MAX77693_LEARNCFG	= 0x28,
+	MAX77693_FILTERCFG	= 0x29,
+	MAX77693_RELAXCFG	= 0x2A,
+	MAX77693_MISCCFG	= 0x2B,
+	MAX77693_CGAIN		= 0x2E,
+	MAX77693_COFF		= 0x2F,
+	MAX77693_RCOMP0		= 0x38,
+	MAX77693_TEMPCO		= 0x39,
+	MAX77693_FSTAT		= 0x3D,
+	MAX77693_VFOCV		= 0xEE,
+	MAX77693_VFSOC		= 0xFF,
+
+	FG_NUM_OF_REGS		= 0x100,
+};
+
+#define MAX77693_POR (1 << 1)
+
+#define MODEL_UNLOCK1		0x0059
+#define MODEL_UNLOCK2		0x00c4
+#define MODEL_LOCK1		0x0000
+#define MODEL_LOCK2		0x0000
+
+#define MAX77693_FUEL_I2C_ADDR	(0x6C >> 1)
+
+int power_fg_init(unsigned char bus);
+#endif /* __MAX77693_FG_H_ */
diff --git a/include/power/max77693_muic.h b/include/power/max77693_muic.h
new file mode 100644
index 0000000000..a2c29eb6ce
--- /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_ */
diff --git a/include/power/max77693_pmic.h b/include/power/max77693_pmic.h
new file mode 100644
index 0000000000..616d051f17
--- /dev/null
+++ b/include/power/max77693_pmic.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics
+ * Piotr Wilczek <p.wilczek@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __MAX77693_PMIC_H_
+#define __MAX77693_PMIC_H_
+
+#include <power/power_chrg.h>
+
+enum {CHARGER_ENABLE, CHARGER_DISABLE};
+
+#define CHARGER_MIN_CURRENT 200
+#define CHARGER_MAX_CURRENT 2000
+
+#define MAX77693_CHG_PREFIX	"max77693-chg:"
+
+/* Registers */
+
+#define MAX77693_CHG_BASE	0xB0
+#define MAX77693_CHG_INT_OK	0xB2
+#define MAX77693_CHG_CNFG_00	0xB7
+#define MAX77693_CHG_CNFG_02	0xB9
+#define MAX77693_CHG_CNFG_06	0xBD
+#define MAX77693_SAFEOUT	0xC6
+
+#define PMIC_NUM_OF_REGS	0xC7
+
+#define MAX77693_CHG_DETBAT	(0x1 << 7)	/* MAX77693_CHG_INT_OK */
+#define MAX77693_CHG_MODE_ON	0x05		/* MAX77693_CHG_CNFG_00 */
+#define MAX77693_CHG_CC		0x3F		/* MAX77693_CHG_CNFG_02	*/
+#define MAX77693_CHG_LOCK	(0x0 << 2)	/* MAX77693_CHG_CNFG_06	*/
+#define MAX77693_CHG_UNLOCK	(0x3 << 2)	/* MAX77693_CHG_CNFG_06	*/
+
+#define MAX77693_ENSAFEOUT1	(1 << 6)
+#define MAX77693_ENSAFEOUT2	(1 << 7)
+
+#define MAX77693_PMIC_I2C_ADDR	(0xCC >> 1)
+
+int pmic_init_max77693(unsigned char bus);
+#endif /* __MAX77693_PMIC_H_ */