1 files changed, 585 insertions, 0 deletions

diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h
new file mode 100644
index 000000000000..94778c1669dc
--- /dev/null
+++ b/include/linux/mfd/wm8350/core.h
@@ -0,0 +1,585 @@
+/*
+ * core.h  --  Core Driver for Wolfson WM8350 PMIC
+ *
+ * Copyright 2007 Wolfson Microelectronics PLC
+ *
+ *  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.
+ *
+ */
+
+#ifndef __LINUX_MFD_WM8350_CORE_H_
+#define __LINUX_MFD_WM8350_CORE_H_
+
+#include <linux/kernel.h>
+#include <linux/mutex.h>
+#include <linux/workqueue.h>
+
+/*
+ * Register values.
+ */
+#define WM8350_RESET_ID                         0x00
+#define WM8350_ID                               0x01
+#define WM8350_SYSTEM_CONTROL_1                 0x03
+#define WM8350_SYSTEM_CONTROL_2                 0x04
+#define WM8350_SYSTEM_HIBERNATE                 0x05
+#define WM8350_INTERFACE_CONTROL                0x06
+#define WM8350_POWER_MGMT_1                     0x08
+#define WM8350_POWER_MGMT_2                     0x09
+#define WM8350_POWER_MGMT_3                     0x0A
+#define WM8350_POWER_MGMT_4                     0x0B
+#define WM8350_POWER_MGMT_5                     0x0C
+#define WM8350_POWER_MGMT_6                     0x0D
+#define WM8350_POWER_MGMT_7                     0x0E
+
+#define WM8350_SYSTEM_INTERRUPTS                0x18
+#define WM8350_INT_STATUS_1                     0x19
+#define WM8350_INT_STATUS_2                     0x1A
+#define WM8350_POWER_UP_INT_STATUS              0x1B
+#define WM8350_UNDER_VOLTAGE_INT_STATUS         0x1C
+#define WM8350_OVER_CURRENT_INT_STATUS          0x1D
+#define WM8350_GPIO_INT_STATUS                  0x1E
+#define WM8350_COMPARATOR_INT_STATUS            0x1F
+#define WM8350_SYSTEM_INTERRUPTS_MASK           0x20
+#define WM8350_INT_STATUS_1_MASK                0x21
+#define WM8350_INT_STATUS_2_MASK                0x22
+#define WM8350_POWER_UP_INT_STATUS_MASK         0x23
+#define WM8350_UNDER_VOLTAGE_INT_STATUS_MASK    0x24
+#define WM8350_OVER_CURRENT_INT_STATUS_MASK     0x25
+#define WM8350_GPIO_INT_STATUS_MASK             0x26
+#define WM8350_COMPARATOR_INT_STATUS_MASK       0x27
+
+#define WM8350_MAX_REGISTER                     0xFF
+
+/*
+ * Field Definitions.
+ */
+
+/*
+ * R0 (0x00) - Reset/ID
+ */
+#define WM8350_SW_RESET_CHIP_ID_MASK            0xFFFF
+
+/*
+ * R1 (0x01) - ID
+ */
+#define WM8350_CHIP_REV_MASK                    0x7000
+#define WM8350_CONF_STS_MASK                    0x0C00
+#define WM8350_CUST_ID_MASK                     0x00FF
+
+/*
+ * R3 (0x03) - System Control 1
+ */
+#define WM8350_CHIP_ON                          0x8000
+#define WM8350_POWERCYCLE                       0x2000
+#define WM8350_VCC_FAULT_OV                     0x1000
+#define WM8350_REG_RSTB_TIME_MASK               0x0C00
+#define WM8350_BG_SLEEP                         0x0200
+#define WM8350_MEM_VALID                        0x0020
+#define WM8350_CHIP_SET_UP                      0x0010
+#define WM8350_ON_DEB_T                         0x0008
+#define WM8350_ON_POL                           0x0002
+#define WM8350_IRQ_POL                          0x0001
+
+/*
+ * R4 (0x04) - System Control 2
+ */
+#define WM8350_USB_SUSPEND_8MA                  0x8000
+#define WM8350_USB_SUSPEND                      0x4000
+#define WM8350_USB_MSTR                         0x2000
+#define WM8350_USB_MSTR_SRC                     0x1000
+#define WM8350_USB_500MA                        0x0800
+#define WM8350_USB_NOLIM                        0x0400
+
+/*
+ * R5 (0x05) - System Hibernate
+ */
+#define WM8350_HIBERNATE                        0x8000
+#define WM8350_WDOG_HIB_MODE                    0x0080
+#define WM8350_REG_HIB_STARTUP_SEQ              0x0040
+#define WM8350_REG_RESET_HIB_MODE               0x0020
+#define WM8350_RST_HIB_MODE                     0x0010
+#define WM8350_IRQ_HIB_MODE                     0x0008
+#define WM8350_MEMRST_HIB_MODE                  0x0004
+#define WM8350_PCCOMP_HIB_MODE                  0x0002
+#define WM8350_TEMPMON_HIB_MODE                 0x0001
+
+/*
+ * R6 (0x06) - Interface Control
+ */
+#define WM8350_USE_DEV_PINS                     0x8000
+#define WM8350_USE_DEV_PINS_MASK                0x8000
+#define WM8350_USE_DEV_PINS_SHIFT                   15
+#define WM8350_DEV_ADDR_MASK                    0x6000
+#define WM8350_DEV_ADDR_SHIFT                       13
+#define WM8350_CONFIG_DONE                      0x1000
+#define WM8350_CONFIG_DONE_MASK                 0x1000
+#define WM8350_CONFIG_DONE_SHIFT                    12
+#define WM8350_RECONFIG_AT_ON                   0x0800
+#define WM8350_RECONFIG_AT_ON_MASK              0x0800
+#define WM8350_RECONFIG_AT_ON_SHIFT                 11
+#define WM8350_AUTOINC                          0x0200
+#define WM8350_AUTOINC_MASK                     0x0200
+#define WM8350_AUTOINC_SHIFT                         9
+#define WM8350_ARA                              0x0100
+#define WM8350_ARA_MASK                         0x0100
+#define WM8350_ARA_SHIFT                             8
+#define WM8350_SPI_CFG                          0x0008
+#define WM8350_SPI_CFG_MASK                     0x0008
+#define WM8350_SPI_CFG_SHIFT                         3
+#define WM8350_SPI_4WIRE                        0x0004
+#define WM8350_SPI_4WIRE_MASK                   0x0004
+#define WM8350_SPI_4WIRE_SHIFT                       2
+#define WM8350_SPI_3WIRE                        0x0002
+#define WM8350_SPI_3WIRE_MASK                   0x0002
+#define WM8350_SPI_3WIRE_SHIFT                       1
+
+/* Bit values for R06 (0x06) */
+#define WM8350_USE_DEV_PINS_PRIMARY                  0
+#define WM8350_USE_DEV_PINS_DEV                      1
+
+#define WM8350_DEV_ADDR_34                           0
+#define WM8350_DEV_ADDR_36                           1
+#define WM8350_DEV_ADDR_3C                           2
+#define WM8350_DEV_ADDR_3E                           3
+
+#define WM8350_CONFIG_DONE_OFF                       0
+#define WM8350_CONFIG_DONE_DONE                      1
+
+#define WM8350_RECONFIG_AT_ON_OFF                    0
+#define WM8350_RECONFIG_AT_ON_ON                     1
+
+#define WM8350_AUTOINC_OFF                           0
+#define WM8350_AUTOINC_ON                            1
+
+#define WM8350_ARA_OFF                               0
+#define WM8350_ARA_ON                                1
+
+#define WM8350_SPI_CFG_CMOS                          0
+#define WM8350_SPI_CFG_OD                            1
+
+#define WM8350_SPI_4WIRE_3WIRE                       0
+#define WM8350_SPI_4WIRE_4WIRE                       1
+
+#define WM8350_SPI_3WIRE_I2C                         0
+#define WM8350_SPI_3WIRE_SPI                         1
+
+/*
+ * R8 (0x08) - Power mgmt (1)
+ */
+#define WM8350_CODEC_ISEL_MASK                  0xC000
+#define WM8350_VBUFEN                           0x2000
+#define WM8350_OUTPUT_DRAIN_EN                  0x0400
+#define WM8350_MIC_DET_ENA                      0x0100
+#define WM8350_BIASEN                           0x0020
+#define WM8350_MICBEN                           0x0010
+#define WM8350_VMIDEN                           0x0004
+#define WM8350_VMID_MASK                        0x0003
+#define WM8350_VMID_SHIFT                            0
+
+/*
+ * R9 (0x09) - Power mgmt (2)
+ */
+#define WM8350_IN3R_ENA                         0x0800
+#define WM8350_IN3L_ENA                         0x0400
+#define WM8350_INR_ENA                          0x0200
+#define WM8350_INL_ENA                          0x0100
+#define WM8350_MIXINR_ENA                       0x0080
+#define WM8350_MIXINL_ENA                       0x0040
+#define WM8350_OUT4_ENA                         0x0020
+#define WM8350_OUT3_ENA                         0x0010
+#define WM8350_MIXOUTR_ENA                      0x0002
+#define WM8350_MIXOUTL_ENA                      0x0001
+
+/*
+ * R10 (0x0A) - Power mgmt (3)
+ */
+#define WM8350_IN3R_TO_OUT2R                    0x0080
+#define WM8350_OUT2R_ENA                        0x0008
+#define WM8350_OUT2L_ENA                        0x0004
+#define WM8350_OUT1R_ENA                        0x0002
+#define WM8350_OUT1L_ENA                        0x0001
+
+/*
+ * R11 (0x0B) - Power mgmt (4)
+ */
+#define WM8350_SYSCLK_ENA                       0x4000
+#define WM8350_ADC_HPF_ENA                      0x2000
+#define WM8350_FLL_ENA                          0x0800
+#define WM8350_FLL_OSC_ENA                      0x0400
+#define WM8350_TOCLK_ENA                        0x0100
+#define WM8350_DACR_ENA                         0x0020
+#define WM8350_DACL_ENA                         0x0010
+#define WM8350_ADCR_ENA                         0x0008
+#define WM8350_ADCL_ENA                         0x0004
+
+/*
+ * R12 (0x0C) - Power mgmt (5)
+ */
+#define WM8350_CODEC_ENA                        0x1000
+#define WM8350_RTC_TICK_ENA                     0x0800
+#define WM8350_OSC32K_ENA                       0x0400
+#define WM8350_CHG_ENA                          0x0200
+#define WM8350_ACC_DET_ENA                      0x0100
+#define WM8350_AUXADC_ENA                       0x0080
+#define WM8350_DCMP4_ENA                        0x0008
+#define WM8350_DCMP3_ENA                        0x0004
+#define WM8350_DCMP2_ENA                        0x0002
+#define WM8350_DCMP1_ENA                        0x0001
+
+/*
+ * R13 (0x0D) - Power mgmt (6)
+ */
+#define WM8350_LS_ENA                           0x8000
+#define WM8350_LDO4_ENA                         0x0800
+#define WM8350_LDO3_ENA                         0x0400
+#define WM8350_LDO2_ENA                         0x0200
+#define WM8350_LDO1_ENA                         0x0100
+#define WM8350_DC6_ENA                          0x0020
+#define WM8350_DC5_ENA                          0x0010
+#define WM8350_DC4_ENA                          0x0008
+#define WM8350_DC3_ENA                          0x0004
+#define WM8350_DC2_ENA                          0x0002
+#define WM8350_DC1_ENA                          0x0001
+
+/*
+ * R14 (0x0E) - Power mgmt (7)
+ */
+#define WM8350_CS2_ENA                          0x0002
+#define WM8350_CS1_ENA                          0x0001
+
+/*
+ * R24 (0x18) - System Interrupts
+ */
+#define WM8350_OC_INT                           0x2000
+#define WM8350_UV_INT                           0x1000
+#define WM8350_PUTO_INT                         0x0800
+#define WM8350_CS_INT                           0x0200
+#define WM8350_EXT_INT                          0x0100
+#define WM8350_CODEC_INT                        0x0080
+#define WM8350_GP_INT                           0x0040
+#define WM8350_AUXADC_INT                       0x0020
+#define WM8350_RTC_INT                          0x0010
+#define WM8350_SYS_INT                          0x0008
+#define WM8350_CHG_INT                          0x0004
+#define WM8350_USB_INT                          0x0002
+#define WM8350_WKUP_INT                         0x0001
+
+/*
+ * R25 (0x19) - Interrupt Status 1
+ */
+#define WM8350_CHG_BAT_HOT_EINT                 0x8000
+#define WM8350_CHG_BAT_COLD_EINT                0x4000
+#define WM8350_CHG_BAT_FAIL_EINT                0x2000
+#define WM8350_CHG_TO_EINT                      0x1000
+#define WM8350_CHG_END_EINT                     0x0800
+#define WM8350_CHG_START_EINT                   0x0400
+#define WM8350_CHG_FAST_RDY_EINT                0x0200
+#define WM8350_RTC_PER_EINT                     0x0080
+#define WM8350_RTC_SEC_EINT                     0x0040
+#define WM8350_RTC_ALM_EINT                     0x0020
+#define WM8350_CHG_VBATT_LT_3P9_EINT            0x0004
+#define WM8350_CHG_VBATT_LT_3P1_EINT            0x0002
+#define WM8350_CHG_VBATT_LT_2P85_EINT           0x0001
+
+/*
+ * R26 (0x1A) - Interrupt Status 2
+ */
+#define WM8350_CS1_EINT                         0x2000
+#define WM8350_CS2_EINT                         0x1000
+#define WM8350_USB_LIMIT_EINT                   0x0400
+#define WM8350_AUXADC_DATARDY_EINT              0x0100
+#define WM8350_AUXADC_DCOMP4_EINT               0x0080
+#define WM8350_AUXADC_DCOMP3_EINT               0x0040
+#define WM8350_AUXADC_DCOMP2_EINT               0x0020
+#define WM8350_AUXADC_DCOMP1_EINT               0x0010
+#define WM8350_SYS_HYST_COMP_FAIL_EINT          0x0008
+#define WM8350_SYS_CHIP_GT115_EINT              0x0004
+#define WM8350_SYS_CHIP_GT140_EINT              0x0002
+#define WM8350_SYS_WDOG_TO_EINT                 0x0001
+
+/*
+ * R27 (0x1B) - Power Up Interrupt Status
+ */
+#define WM8350_PUTO_LDO4_EINT                   0x0800
+#define WM8350_PUTO_LDO3_EINT                   0x0400
+#define WM8350_PUTO_LDO2_EINT                   0x0200
+#define WM8350_PUTO_LDO1_EINT                   0x0100
+#define WM8350_PUTO_DC6_EINT                    0x0020
+#define WM8350_PUTO_DC5_EINT                    0x0010
+#define WM8350_PUTO_DC4_EINT                    0x0008
+#define WM8350_PUTO_DC3_EINT                    0x0004
+#define WM8350_PUTO_DC2_EINT                    0x0002
+#define WM8350_PUTO_DC1_EINT                    0x0001
+
+/*
+ * R28 (0x1C) - Under Voltage Interrupt status
+ */
+#define WM8350_UV_LDO4_EINT                     0x0800
+#define WM8350_UV_LDO3_EINT                     0x0400
+#define WM8350_UV_LDO2_EINT                     0x0200
+#define WM8350_UV_LDO1_EINT                     0x0100
+#define WM8350_UV_DC6_EINT                      0x0020
+#define WM8350_UV_DC5_EINT                      0x0010
+#define WM8350_UV_DC4_EINT                      0x0008
+#define WM8350_UV_DC3_EINT                      0x0004
+#define WM8350_UV_DC2_EINT                      0x0002
+#define WM8350_UV_DC1_EINT                      0x0001
+
+/*
+ * R29 (0x1D) - Over Current Interrupt status
+ */
+#define WM8350_OC_LS_EINT                       0x8000
+
+/*
+ * R30 (0x1E) - GPIO Interrupt Status
+ */
+#define WM8350_GP12_EINT                        0x1000
+#define WM8350_GP11_EINT                        0x0800
+#define WM8350_GP10_EINT                        0x0400
+#define WM8350_GP9_EINT                         0x0200
+#define WM8350_GP8_EINT                         0x0100
+#define WM8350_GP7_EINT                         0x0080
+#define WM8350_GP6_EINT                         0x0040
+#define WM8350_GP5_EINT                         0x0020
+#define WM8350_GP4_EINT                         0x0010
+#define WM8350_GP3_EINT                         0x0008
+#define WM8350_GP2_EINT                         0x0004
+#define WM8350_GP1_EINT                         0x0002
+#define WM8350_GP0_EINT                         0x0001
+
+/*
+ * R31 (0x1F) - Comparator Interrupt Status
+ */
+#define WM8350_EXT_USB_FB_EINT                  0x8000
+#define WM8350_EXT_WALL_FB_EINT                 0x4000
+#define WM8350_EXT_BAT_FB_EINT                  0x2000
+#define WM8350_CODEC_JCK_DET_L_EINT             0x0800
+#define WM8350_CODEC_JCK_DET_R_EINT             0x0400
+#define WM8350_CODEC_MICSCD_EINT                0x0200
+#define WM8350_CODEC_MICD_EINT                  0x0100
+#define WM8350_WKUP_OFF_STATE_EINT              0x0040
+#define WM8350_WKUP_HIB_STATE_EINT              0x0020
+#define WM8350_WKUP_CONV_FAULT_EINT             0x0010
+#define WM8350_WKUP_WDOG_RST_EINT               0x0008
+#define WM8350_WKUP_GP_PWR_ON_EINT              0x0004
+#define WM8350_WKUP_ONKEY_EINT                  0x0002
+#define WM8350_WKUP_GP_WAKEUP_EINT              0x0001
+
+/*
+ * R32 (0x20) - System Interrupts Mask
+ */
+#define WM8350_IM_OC_INT                        0x2000
+#define WM8350_IM_UV_INT                        0x1000
+#define WM8350_IM_PUTO_INT                      0x0800
+#define WM8350_IM_SPARE_INT                     0x0400
+#define WM8350_IM_CS_INT                        0x0200
+#define WM8350_IM_EXT_INT                       0x0100
+#define WM8350_IM_CODEC_INT                     0x0080
+#define WM8350_IM_GP_INT                        0x0040
+#define WM8350_IM_AUXADC_INT                    0x0020
+#define WM8350_IM_RTC_INT                       0x0010
+#define WM8350_IM_SYS_INT                       0x0008
+#define WM8350_IM_CHG_INT                       0x0004
+#define WM8350_IM_USB_INT                       0x0002
+#define WM8350_IM_WKUP_INT                      0x0001
+
+/*
+ * R33 (0x21) - Interrupt Status 1 Mask
+ */
+#define WM8350_IM_CHG_BAT_HOT_EINT              0x8000
+#define WM8350_IM_CHG_BAT_COLD_EINT             0x4000
+#define WM8350_IM_CHG_BAT_FAIL_EINT             0x2000
+#define WM8350_IM_CHG_TO_EINT                   0x1000
+#define WM8350_IM_CHG_END_EINT                  0x0800
+#define WM8350_IM_CHG_START_EINT                0x0400
+#define WM8350_IM_CHG_FAST_RDY_EINT             0x0200
+#define WM8350_IM_RTC_PER_EINT                  0x0080
+#define WM8350_IM_RTC_SEC_EINT                  0x0040
+#define WM8350_IM_RTC_ALM_EINT                  0x0020
+#define WM8350_IM_CHG_VBATT_LT_3P9_EINT         0x0004
+#define WM8350_IM_CHG_VBATT_LT_3P1_EINT         0x0002
+#define WM8350_IM_CHG_VBATT_LT_2P85_EINT        0x0001
+
+/*
+ * R34 (0x22) - Interrupt Status 2 Mask
+ */
+#define WM8350_IM_SPARE2_EINT                   0x8000
+#define WM8350_IM_SPARE1_EINT                   0x4000
+#define WM8350_IM_CS1_EINT                      0x2000
+#define WM8350_IM_CS2_EINT                      0x1000
+#define WM8350_IM_USB_LIMIT_EINT                0x0400
+#define WM8350_IM_AUXADC_DATARDY_EINT           0x0100
+#define WM8350_IM_AUXADC_DCOMP4_EINT            0x0080
+#define WM8350_IM_AUXADC_DCOMP3_EINT            0x0040
+#define WM8350_IM_AUXADC_DCOMP2_EINT            0x0020
+#define WM8350_IM_AUXADC_DCOMP1_EINT            0x0010
+#define WM8350_IM_SYS_HYST_COMP_FAIL_EINT       0x0008
+#define WM8350_IM_SYS_CHIP_GT115_EINT           0x0004
+#define WM8350_IM_SYS_CHIP_GT140_EINT           0x0002
+#define WM8350_IM_SYS_WDOG_TO_EINT              0x0001
+
+/*
+ * R35 (0x23) - Power Up Interrupt Status Mask
+ */
+#define WM8350_IM_PUTO_LDO4_EINT                0x0800
+#define WM8350_IM_PUTO_LDO3_EINT                0x0400
+#define WM8350_IM_PUTO_LDO2_EINT                0x0200
+#define WM8350_IM_PUTO_LDO1_EINT                0x0100
+#define WM8350_IM_PUTO_DC6_EINT                 0x0020
+#define WM8350_IM_PUTO_DC5_EINT                 0x0010
+#define WM8350_IM_PUTO_DC4_EINT                 0x0008
+#define WM8350_IM_PUTO_DC3_EINT                 0x0004
+#define WM8350_IM_PUTO_DC2_EINT                 0x0002
+#define WM8350_IM_PUTO_DC1_EINT                 0x0001
+
+/*
+ * R36 (0x24) - Under Voltage Interrupt status Mask
+ */
+#define WM8350_IM_UV_LDO4_EINT                  0x0800
+#define WM8350_IM_UV_LDO3_EINT                  0x0400
+#define WM8350_IM_UV_LDO2_EINT                  0x0200
+#define WM8350_IM_UV_LDO1_EINT                  0x0100
+#define WM8350_IM_UV_DC6_EINT                   0x0020
+#define WM8350_IM_UV_DC5_EINT                   0x0010
+#define WM8350_IM_UV_DC4_EINT                   0x0008
+#define WM8350_IM_UV_DC3_EINT                   0x0004
+#define WM8350_IM_UV_DC2_EINT                   0x0002
+#define WM8350_IM_UV_DC1_EINT                   0x0001
+
+/*
+ * R37 (0x25) - Over Current Interrupt status Mask
+ */
+#define WM8350_IM_OC_LS_EINT                    0x8000
+
+/*
+ * R38 (0x26) - GPIO Interrupt Status Mask
+ */
+#define WM8350_IM_GP12_EINT                     0x1000
+#define WM8350_IM_GP11_EINT                     0x0800
+#define WM8350_IM_GP10_EINT                     0x0400
+#define WM8350_IM_GP9_EINT                      0x0200
+#define WM8350_IM_GP8_EINT                      0x0100
+#define WM8350_IM_GP7_EINT                      0x0080
+#define WM8350_IM_GP6_EINT                      0x0040
+#define WM8350_IM_GP5_EINT                      0x0020
+#define WM8350_IM_GP4_EINT                      0x0010
+#define WM8350_IM_GP3_EINT                      0x0008
+#define WM8350_IM_GP2_EINT                      0x0004
+#define WM8350_IM_GP1_EINT                      0x0002
+#define WM8350_IM_GP0_EINT                      0x0001
+
+/*
+ * R39 (0x27) - Comparator Interrupt Status Mask
+ */
+#define WM8350_IM_EXT_USB_FB_EINT               0x8000
+#define WM8350_IM_EXT_WALL_FB_EINT              0x4000
+#define WM8350_IM_EXT_BAT_FB_EINT               0x2000
+#define WM8350_IM_CODEC_JCK_DET_L_EINT          0x0800
+#define WM8350_IM_CODEC_JCK_DET_R_EINT          0x0400
+#define WM8350_IM_CODEC_MICSCD_EINT             0x0200
+#define WM8350_IM_CODEC_MICD_EINT               0x0100
+#define WM8350_IM_WKUP_OFF_STATE_EINT           0x0040
+#define WM8350_IM_WKUP_HIB_STATE_EINT           0x0020
+#define WM8350_IM_WKUP_CONV_FAULT_EINT          0x0010
+#define WM8350_IM_WKUP_WDOG_RST_EINT            0x0008
+#define WM8350_IM_WKUP_GP_PWR_ON_EINT           0x0004
+#define WM8350_IM_WKUP_ONKEY_EINT               0x0002
+#define WM8350_IM_WKUP_GP_WAKEUP_EINT           0x0001
+
+/*
+ * R220 (0xDC) - RAM BIST 1
+ */
+#define WM8350_READ_STATUS                      0x0800
+#define WM8350_TSTRAM_CLK                       0x0100
+#define WM8350_TSTRAM_CLK_ENA                   0x0080
+#define WM8350_STARTSEQ                         0x0040
+#define WM8350_READ_SRC                         0x0020
+#define WM8350_COUNT_DIR                        0x0010
+#define WM8350_TSTRAM_MODE_MASK                 0x000E
+#define WM8350_TSTRAM_ENA                       0x0001
+
+/*
+ * R225 (0xE1) - DCDC/LDO status
+ */
+#define WM8350_LS_STS                           0x8000
+#define WM8350_LDO4_STS                         0x0800
+#define WM8350_LDO3_STS                         0x0400
+#define WM8350_LDO2_STS                         0x0200
+#define WM8350_LDO1_STS                         0x0100
+#define WM8350_DC6_STS                          0x0020
+#define WM8350_DC5_STS                          0x0010
+#define WM8350_DC4_STS                          0x0008
+#define WM8350_DC3_STS                          0x0004
+#define WM8350_DC2_STS                          0x0002
+#define WM8350_DC1_STS                          0x0001
+
+/* WM8350 wake up conditions */
+#define WM8350_IRQ_WKUP_OFF_STATE               43
+#define WM8350_IRQ_WKUP_HIB_STATE               44
+#define WM8350_IRQ_WKUP_CONV_FAULT              45
+#define WM8350_IRQ_WKUP_WDOG_RST                46
+#define WM8350_IRQ_WKUP_GP_PWR_ON               47
+#define WM8350_IRQ_WKUP_ONKEY                   48
+#define WM8350_IRQ_WKUP_GP_WAKEUP               49
+
+/* wm8350 chip revisions */
+#define WM8350_REV_E                            0x4
+#define WM8350_REV_F                            0x5
+#define WM8350_REV_G                            0x6
+
+struct wm8350_reg_access {
+        u16 readable;           /* Mask of readable bits */
+        u16 writable;           /* Mask of writable bits */
+        u16 vol;                /* Mask of volatile bits */
+};
+extern const struct wm8350_reg_access wm8350_reg_io_map[];
+extern const u16 wm8350_mode0_defaults[];
+extern const u16 wm8350_mode1_defaults[];
+extern const u16 wm8350_mode2_defaults[];
+extern const u16 wm8350_mode3_defaults[];
+
+struct wm8350;
+
+struct wm8350_irq {
+        void (*handler) (struct wm8350 *, int, void *);
+        void *data;
+};
+
+struct wm8350 {
+        int rev;                /* chip revision */
+
+        struct device *dev;
+
+        /* device IO */
+        union {
+                struct i2c_client *i2c_client;
+                struct spi_device *spi_device;
+        };
+        int (*read_dev)(struct wm8350 *wm8350, char reg, int size, void *dest);
+        int (*write_dev)(struct wm8350 *wm8350, char reg, int size,
+                         void *src);
+        u16 *reg_cache;
+};
+
+/*
+ * WM8350 device initialisation and exit.
+ */
+int wm8350_device_init(struct wm8350 *wm8350);
+void wm8350_device_exit(struct wm8350 *wm8350);
+
+/*
+ * WM8350 device IO
+ */
+int wm8350_clear_bits(struct wm8350 *wm8350, u16 reg, u16 mask);
+int wm8350_set_bits(struct wm8350 *wm8350, u16 reg, u16 mask);
+u16 wm8350_reg_read(struct wm8350 *wm8350, int reg);
+int wm8350_reg_write(struct wm8350 *wm8350, int reg, u16 val);
+int wm8350_reg_lock(struct wm8350 *wm8350);
+int wm8350_reg_unlock(struct wm8350 *wm8350);
+int wm8350_block_read(struct wm8350 *wm8350, int reg, int size, u16 *dest);
+int wm8350_block_write(struct wm8350 *wm8350, int reg, int size, u16 *src);
+
+#endif