mfd: Add MAX77693 driver
This patch adds MFD driver for MAX77693 to enable its sub devices.
The MAX77693 is a multi-function devices. It includes PMIC,
MUIC(Micro USB Interface Controller), flash LED control and
haptic motor control.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h
new file mode 100644
index 0000000..bf6077d
--- /dev/null
+++ b/include/linux/mfd/max77693-private.h
@@ -0,0 +1,217 @@
+/*
+ * max77693-private.h - Voltage regulator driver for the Maxim 77693
+ *
+ * Copyright (C) 2012 Samsung Electrnoics
+ * SangYoung Son <hello.son@samsung.com>
+ *
+ * This program is not provided / owned by Maxim Integrated Products.
+ *
+ * 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
+ */
+
+#ifndef __LINUX_MFD_MAX77693_PRIV_H
+#define __LINUX_MFD_MAX77693_PRIV_H
+
+#include <linux/i2c.h>
+
+#define MAX77693_NUM_IRQ_MUIC_REGS 3
+#define MAX77693_REG_INVALID (0xff)
+
+/* Slave addr = 0xCC: PMIC, Charger, Flash LED */
+enum max77693_pmic_reg {
+ MAX77693_LED_REG_IFLASH1 = 0x00,
+ MAX77693_LED_REG_IFLASH2 = 0x01,
+ MAX77693_LED_REG_ITORCH = 0x02,
+ MAX77693_LED_REG_ITORCHTIMER = 0x03,
+ MAX77693_LED_REG_FLASH_TIMER = 0x04,
+ MAX77693_LED_REG_FLASH_EN = 0x05,
+ MAX77693_LED_REG_MAX_FLASH1 = 0x06,
+ MAX77693_LED_REG_MAX_FLASH2 = 0x07,
+ MAX77693_LED_REG_MAX_FLASH3 = 0x08,
+ MAX77693_LED_REG_MAX_FLASH4 = 0x09,
+ MAX77693_LED_REG_VOUT_CNTL = 0x0A,
+ MAX77693_LED_REG_VOUT_FLASH1 = 0x0B,
+ MAX77693_LED_REG_VOUT_FLASH2 = 0x0C,
+ MAX77693_LED_REG_FLASH_INT = 0x0E,
+ MAX77693_LED_REG_FLASH_INT_MASK = 0x0F,
+ MAX77693_LED_REG_FLASH_INT_STATUS = 0x10,
+
+ MAX77693_PMIC_REG_PMIC_ID1 = 0x20,
+ MAX77693_PMIC_REG_PMIC_ID2 = 0x21,
+ MAX77693_PMIC_REG_INTSRC = 0x22,
+ MAX77693_PMIC_REG_INTSRC_MASK = 0x23,
+ MAX77693_PMIC_REG_TOPSYS_INT = 0x24,
+ MAX77693_PMIC_REG_TOPSYS_INT_MASK = 0x26,
+ MAX77693_PMIC_REG_TOPSYS_STAT = 0x28,
+ MAX77693_PMIC_REG_MAINCTRL1 = 0x2A,
+ MAX77693_PMIC_REG_LSCNFG = 0x2B,
+
+ MAX77693_CHG_REG_CHG_INT = 0xB0,
+ MAX77693_CHG_REG_CHG_INT_MASK = 0xB1,
+ MAX77693_CHG_REG_CHG_INT_OK = 0xB2,
+ MAX77693_CHG_REG_CHG_DETAILS_00 = 0xB3,
+ MAX77693_CHG_REG_CHG_DETAILS_01 = 0xB4,
+ MAX77693_CHG_REG_CHG_DETAILS_02 = 0xB5,
+ MAX77693_CHG_REG_CHG_DETAILS_03 = 0xB6,
+ MAX77693_CHG_REG_CHG_CNFG_00 = 0xB7,
+ MAX77693_CHG_REG_CHG_CNFG_01 = 0xB8,
+ MAX77693_CHG_REG_CHG_CNFG_02 = 0xB9,
+ MAX77693_CHG_REG_CHG_CNFG_03 = 0xBA,
+ MAX77693_CHG_REG_CHG_CNFG_04 = 0xBB,
+ MAX77693_CHG_REG_CHG_CNFG_05 = 0xBC,
+ MAX77693_CHG_REG_CHG_CNFG_06 = 0xBD,
+ MAX77693_CHG_REG_CHG_CNFG_07 = 0xBE,
+ MAX77693_CHG_REG_CHG_CNFG_08 = 0xBF,
+ MAX77693_CHG_REG_CHG_CNFG_09 = 0xC0,
+ MAX77693_CHG_REG_CHG_CNFG_10 = 0xC1,
+ MAX77693_CHG_REG_CHG_CNFG_11 = 0xC2,
+ MAX77693_CHG_REG_CHG_CNFG_12 = 0xC3,
+ MAX77693_CHG_REG_CHG_CNFG_13 = 0xC4,
+ MAX77693_CHG_REG_CHG_CNFG_14 = 0xC5,
+ MAX77693_CHG_REG_SAFEOUT_CTRL = 0xC6,
+
+ MAX77693_PMIC_REG_END,
+};
+
+/* Slave addr = 0x4A: MUIC */
+enum max77693_muic_reg {
+ MAX77693_MUIC_REG_ID = 0x00,
+ MAX77693_MUIC_REG_INT1 = 0x01,
+ MAX77693_MUIC_REG_INT2 = 0x02,
+ MAX77693_MUIC_REG_INT3 = 0x03,
+ MAX77693_MUIC_REG_STATUS1 = 0x04,
+ MAX77693_MUIC_REG_STATUS2 = 0x05,
+ MAX77693_MUIC_REG_STATUS3 = 0x06,
+ MAX77693_MUIC_REG_INTMASK1 = 0x07,
+ MAX77693_MUIC_REG_INTMASK2 = 0x08,
+ MAX77693_MUIC_REG_INTMASK3 = 0x09,
+ MAX77693_MUIC_REG_CDETCTRL1 = 0x0A,
+ MAX77693_MUIC_REG_CDETCTRL2 = 0x0B,
+ MAX77693_MUIC_REG_CTRL1 = 0x0C,
+ MAX77693_MUIC_REG_CTRL2 = 0x0D,
+ MAX77693_MUIC_REG_CTRL3 = 0x0E,
+
+ MAX77693_MUIC_REG_END,
+};
+
+/* Slave addr = 0x90: Haptic */
+enum max77693_haptic_reg {
+ MAX77693_HAPTIC_REG_STATUS = 0x00,
+ MAX77693_HAPTIC_REG_CONFIG1 = 0x01,
+ MAX77693_HAPTIC_REG_CONFIG2 = 0x02,
+ MAX77693_HAPTIC_REG_CONFIG_CHNL = 0x03,
+ MAX77693_HAPTIC_REG_CONFG_CYC1 = 0x04,
+ MAX77693_HAPTIC_REG_CONFG_CYC2 = 0x05,
+ MAX77693_HAPTIC_REG_CONFIG_PER1 = 0x06,
+ MAX77693_HAPTIC_REG_CONFIG_PER2 = 0x07,
+ MAX77693_HAPTIC_REG_CONFIG_PER3 = 0x08,
+ MAX77693_HAPTIC_REG_CONFIG_PER4 = 0x09,
+ MAX77693_HAPTIC_REG_CONFIG_DUTY1 = 0x0A,
+ MAX77693_HAPTIC_REG_CONFIG_DUTY2 = 0x0B,
+ MAX77693_HAPTIC_REG_CONFIG_PWM1 = 0x0C,
+ MAX77693_HAPTIC_REG_CONFIG_PWM2 = 0x0D,
+ MAX77693_HAPTIC_REG_CONFIG_PWM3 = 0x0E,
+ MAX77693_HAPTIC_REG_CONFIG_PWM4 = 0x0F,
+ MAX77693_HAPTIC_REG_REV = 0x10,
+
+ MAX77693_HAPTIC_REG_END,
+};
+
+enum max77693_irq_source {
+ LED_INT = 0,
+ TOPSYS_INT,
+ CHG_INT,
+ MUIC_INT1,
+ MUIC_INT2,
+ MUIC_INT3,
+
+ MAX77693_IRQ_GROUP_NR,
+};
+
+enum max77693_irq {
+ /* PMIC - FLASH */
+ MAX77693_LED_IRQ_FLED2_OPEN,
+ MAX77693_LED_IRQ_FLED2_SHORT,
+ MAX77693_LED_IRQ_FLED1_OPEN,
+ MAX77693_LED_IRQ_FLED1_SHORT,
+ MAX77693_LED_IRQ_MAX_FLASH,
+
+ /* PMIC - TOPSYS */
+ MAX77693_TOPSYS_IRQ_T120C_INT,
+ MAX77693_TOPSYS_IRQ_T140C_INT,
+ MAX77693_TOPSYS_IRQ_LOWSYS_INT,
+
+ /* PMIC - Charger */
+ MAX77693_CHG_IRQ_BYP_I,
+ MAX77693_CHG_IRQ_THM_I,
+ MAX77693_CHG_IRQ_BAT_I,
+ MAX77693_CHG_IRQ_CHG_I,
+ MAX77693_CHG_IRQ_CHGIN_I,
+
+ /* MUIC INT1 */
+ MAX77693_MUIC_IRQ_INT1_ADC,
+ MAX77693_MUIC_IRQ_INT1_ADC_LOW,
+ MAX77693_MUIC_IRQ_INT1_ADC_ERR,
+ MAX77693_MUIC_IRQ_INT1_ADC1K,
+
+ /* MUIC INT2 */
+ MAX77693_MUIC_IRQ_INT2_CHGTYP,
+ MAX77693_MUIC_IRQ_INT2_CHGDETREUN,
+ MAX77693_MUIC_IRQ_INT2_DCDTMR,
+ MAX77693_MUIC_IRQ_INT2_DXOVP,
+ MAX77693_MUIC_IRQ_INT2_VBVOLT,
+ MAX77693_MUIC_IRQ_INT2_VIDRM,
+
+ /* MUIC INT3 */
+ MAX77693_MUIC_IRQ_INT3_EOC,
+ MAX77693_MUIC_IRQ_INT3_CGMBC,
+ MAX77693_MUIC_IRQ_INT3_OVP,
+ MAX77693_MUIC_IRQ_INT3_MBCCHG_ERR,
+ MAX77693_MUIC_IRQ_INT3_CHG_ENABLED,
+ MAX77693_MUIC_IRQ_INT3_BAT_DET,
+
+ MAX77693_IRQ_NR,
+};
+
+struct max77693_dev {
+ struct device *dev;
+ struct i2c_client *i2c; /* 0xCC , PMIC, Charger, Flash LED */
+ struct i2c_client *muic; /* 0x4A , MUIC */
+ struct i2c_client *haptic; /* 0x90 , Haptic */
+ struct mutex iolock;
+
+ int type;
+
+ struct regmap *regmap;
+ struct regmap *regmap_muic;
+ struct regmap *regmap_haptic;
+
+ int irq;
+ bool wakeup;
+};
+
+enum max77693_types {
+ TYPE_MAX77693,
+};
+
+extern int max77693_read_reg(struct regmap *map, u8 reg, u8 *dest);
+extern int max77693_bulk_read(struct regmap *map, u8 reg, int count,
+ u8 *buf);
+extern int max77693_write_reg(struct regmap *map, u8 reg, u8 value);
+extern int max77693_bulk_write(struct regmap *map, u8 reg, int count,
+ u8 *buf);
+extern int max77693_update_reg(struct regmap *map, u8 reg, u8 val, u8 mask);
+
+#endif /* __LINUX_MFD_MAX77693_PRIV_H */
diff --git a/include/linux/mfd/max77693.h b/include/linux/mfd/max77693.h
new file mode 100644
index 0000000..5020b86
--- /dev/null
+++ b/include/linux/mfd/max77693.h
@@ -0,0 +1,37 @@
+/*
+ * max77693.h - Driver for the Maxim 77693
+ *
+ * Copyright (C) 2012 Samsung Electrnoics
+ * SangYoung Son <hello.son@samsung.com>
+ *
+ * This program is not provided / owned by Maxim Integrated Products.
+ *
+ * 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
+ *
+ * This driver is based on max8997.h
+ *
+ * MAX77693 has PMIC, Charger, Flash LED, Haptic, MUIC devices.
+ * The devices share the same I2C bus and included in
+ * this mfd driver.
+ */
+
+#ifndef __LINUX_MFD_MAX77693_H
+#define __LINUX_MFD_MAX77693_H
+
+struct max77693_platform_data {
+ /* IRQ */
+ int wakeup;
+};
+#endif /* __LINUX_MFD_MAX77693_H */