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diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
new file mode 100644
index 000000000000..d0e31a2287ac
--- /dev/null
+++ b/include/linux/mfd/axp20x.h
@@ -0,0 +1,180 @@
+/*
+ * Functions and registers to access AXP20X power management chip.
+ *
+ * Copyright (C) 2013, Carlo Caione <carlo@caione.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_MFD_AXP20X_H
+#define __LINUX_MFD_AXP20X_H
+
+enum {
+ AXP202_ID = 0,
+ AXP209_ID,
+};
+
+#define AXP20X_DATACACHE(m) (0x04 + (m))
+
+/* Power supply */
+#define AXP20X_PWR_INPUT_STATUS 0x00
+#define AXP20X_PWR_OP_MODE 0x01
+#define AXP20X_USB_OTG_STATUS 0x02
+#define AXP20X_PWR_OUT_CTRL 0x12
+#define AXP20X_DCDC2_V_OUT 0x23
+#define AXP20X_DCDC2_LDO3_V_SCAL 0x25
+#define AXP20X_DCDC3_V_OUT 0x27
+#define AXP20X_LDO24_V_OUT 0x28
+#define AXP20X_LDO3_V_OUT 0x29
+#define AXP20X_VBUS_IPSOUT_MGMT 0x30
+#define AXP20X_V_OFF 0x31
+#define AXP20X_OFF_CTRL 0x32
+#define AXP20X_CHRG_CTRL1 0x33
+#define AXP20X_CHRG_CTRL2 0x34
+#define AXP20X_CHRG_BAK_CTRL 0x35
+#define AXP20X_PEK_KEY 0x36
+#define AXP20X_DCDC_FREQ 0x37
+#define AXP20X_V_LTF_CHRG 0x38
+#define AXP20X_V_HTF_CHRG 0x39
+#define AXP20X_APS_WARN_L1 0x3a
+#define AXP20X_APS_WARN_L2 0x3b
+#define AXP20X_V_LTF_DISCHRG 0x3c
+#define AXP20X_V_HTF_DISCHRG 0x3d
+
+/* Interrupt */
+#define AXP20X_IRQ1_EN 0x40
+#define AXP20X_IRQ2_EN 0x41
+#define AXP20X_IRQ3_EN 0x42
+#define AXP20X_IRQ4_EN 0x43
+#define AXP20X_IRQ5_EN 0x44
+#define AXP20X_IRQ1_STATE 0x48
+#define AXP20X_IRQ2_STATE 0x49
+#define AXP20X_IRQ3_STATE 0x4a
+#define AXP20X_IRQ4_STATE 0x4b
+#define AXP20X_IRQ5_STATE 0x4c
+
+/* ADC */
+#define AXP20X_ACIN_V_ADC_H 0x56
+#define AXP20X_ACIN_V_ADC_L 0x57
+#define AXP20X_ACIN_I_ADC_H 0x58
+#define AXP20X_ACIN_I_ADC_L 0x59
+#define AXP20X_VBUS_V_ADC_H 0x5a
+#define AXP20X_VBUS_V_ADC_L 0x5b
+#define AXP20X_VBUS_I_ADC_H 0x5c
+#define AXP20X_VBUS_I_ADC_L 0x5d
+#define AXP20X_TEMP_ADC_H 0x5e
+#define AXP20X_TEMP_ADC_L 0x5f
+#define AXP20X_TS_IN_H 0x62
+#define AXP20X_TS_IN_L 0x63
+#define AXP20X_GPIO0_V_ADC_H 0x64
+#define AXP20X_GPIO0_V_ADC_L 0x65
+#define AXP20X_GPIO1_V_ADC_H 0x66
+#define AXP20X_GPIO1_V_ADC_L 0x67
+#define AXP20X_PWR_BATT_H 0x70
+#define AXP20X_PWR_BATT_M 0x71
+#define AXP20X_PWR_BATT_L 0x72
+#define AXP20X_BATT_V_H 0x78
+#define AXP20X_BATT_V_L 0x79
+#define AXP20X_BATT_CHRG_I_H 0x7a
+#define AXP20X_BATT_CHRG_I_L 0x7b
+#define AXP20X_BATT_DISCHRG_I_H 0x7c
+#define AXP20X_BATT_DISCHRG_I_L 0x7d
+#define AXP20X_IPSOUT_V_HIGH_H 0x7e
+#define AXP20X_IPSOUT_V_HIGH_L 0x7f
+
+/* Power supply */
+#define AXP20X_DCDC_MODE 0x80
+#define AXP20X_ADC_EN1 0x82
+#define AXP20X_ADC_EN2 0x83
+#define AXP20X_ADC_RATE 0x84
+#define AXP20X_GPIO10_IN_RANGE 0x85
+#define AXP20X_GPIO1_ADC_IRQ_RIS 0x86
+#define AXP20X_GPIO1_ADC_IRQ_FAL 0x87
+#define AXP20X_TIMER_CTRL 0x8a
+#define AXP20X_VBUS_MON 0x8b
+#define AXP20X_OVER_TMP 0x8f
+
+/* GPIO */
+#define AXP20X_GPIO0_CTRL 0x90
+#define AXP20X_LDO5_V_OUT 0x91
+#define AXP20X_GPIO1_CTRL 0x92
+#define AXP20X_GPIO2_CTRL 0x93
+#define AXP20X_GPIO20_SS 0x94
+#define AXP20X_GPIO3_CTRL 0x95
+
+/* Battery */
+#define AXP20X_CHRG_CC_31_24 0xb0
+#define AXP20X_CHRG_CC_23_16 0xb1
+#define AXP20X_CHRG_CC_15_8 0xb2
+#define AXP20X_CHRG_CC_7_0 0xb3
+#define AXP20X_DISCHRG_CC_31_24 0xb4
+#define AXP20X_DISCHRG_CC_23_16 0xb5
+#define AXP20X_DISCHRG_CC_15_8 0xb6
+#define AXP20X_DISCHRG_CC_7_0 0xb7
+#define AXP20X_CC_CTRL 0xb8
+#define AXP20X_FG_RES 0xb9
+
+/* Regulators IDs */
+enum {
+ AXP20X_LDO1 = 0,
+ AXP20X_LDO2,
+ AXP20X_LDO3,
+ AXP20X_LDO4,
+ AXP20X_LDO5,
+ AXP20X_DCDC2,
+ AXP20X_DCDC3,
+ AXP20X_REG_ID_MAX,
+};
+
+/* IRQs */
+enum {
+ AXP20X_IRQ_ACIN_OVER_V = 1,
+ AXP20X_IRQ_ACIN_PLUGIN,
+ AXP20X_IRQ_ACIN_REMOVAL,
+ AXP20X_IRQ_VBUS_OVER_V,
+ AXP20X_IRQ_VBUS_PLUGIN,
+ AXP20X_IRQ_VBUS_REMOVAL,
+ AXP20X_IRQ_VBUS_V_LOW,
+ AXP20X_IRQ_BATT_PLUGIN,
+ AXP20X_IRQ_BATT_REMOVAL,
+ AXP20X_IRQ_BATT_ENT_ACT_MODE,
+ AXP20X_IRQ_BATT_EXIT_ACT_MODE,
+ AXP20X_IRQ_CHARG,
+ AXP20X_IRQ_CHARG_DONE,
+ AXP20X_IRQ_BATT_TEMP_HIGH,
+ AXP20X_IRQ_BATT_TEMP_LOW,
+ AXP20X_IRQ_DIE_TEMP_HIGH,
+ AXP20X_IRQ_CHARG_I_LOW,
+ AXP20X_IRQ_DCDC1_V_LONG,
+ AXP20X_IRQ_DCDC2_V_LONG,
+ AXP20X_IRQ_DCDC3_V_LONG,
+ AXP20X_IRQ_PEK_SHORT = 22,
+ AXP20X_IRQ_PEK_LONG,
+ AXP20X_IRQ_N_OE_PWR_ON,
+ AXP20X_IRQ_N_OE_PWR_OFF,
+ AXP20X_IRQ_VBUS_VALID,
+ AXP20X_IRQ_VBUS_NOT_VALID,
+ AXP20X_IRQ_VBUS_SESS_VALID,
+ AXP20X_IRQ_VBUS_SESS_END,
+ AXP20X_IRQ_LOW_PWR_LVL1,
+ AXP20X_IRQ_LOW_PWR_LVL2,
+ AXP20X_IRQ_TIMER,
+ AXP20X_IRQ_PEK_RIS_EDGE,
+ AXP20X_IRQ_PEK_FAL_EDGE,
+ AXP20X_IRQ_GPIO3_INPUT,
+ AXP20X_IRQ_GPIO2_INPUT,
+ AXP20X_IRQ_GPIO1_INPUT,
+ AXP20X_IRQ_GPIO0_INPUT,
+};
+
+struct axp20x_dev {
+ struct device *dev;
+ struct i2c_client *i2c_client;
+ struct regmap *regmap;
+ struct regmap_irq_chip_data *regmap_irqc;
+ long variant;
+};
+
+#endif /* __LINUX_MFD_AXP20X_H */