Merge tag 'mfd-for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks:
   - Add new !TOUCHSCREEN_SUN4I dependency for SUN4I_GPADC
   - List include/dt-bindings/mfd/* to files supported in MAINTAINERS

  New Drivers:
   - Intel Apollo Lake SPI NOR
   - ST STM32 Timers (Advanced, Basic and PWM)
   - Motorola 6556002 CPCAP (PMIC)

  New Device Support:
   - Add support for AXP221 to axp20x
   - Add support for Intel Gemini Lake to intel-lpss-pci
   - Add support for MT6323 LED to mt6397-core
   - Add support for COMe-bBD#, COMe-bSL6, COMe-bKL6, COMe-cAL6 and
     COMe-cKL6 to kempld-core

  New Functionality:
   - Add support for Analog CODAC to sun6i-prcm
   - Add support for Watchdog to lpc_ich

  Fix-ups:
   - Error handling improvements; axp288_charger, axp20x, ab8500-sysctrl
   - Adapt platform data handling; axp20x
   - IRQ handling improvements; arizona, axp20x
   - Remove superfluous code; arizona, axp20x, lpc_ich
   - Trivial coding style/spelling fixes; axp20x, abx500, mfd.txt
   - Regmap fix-ups; axp20x
   - DT changes; mfd.txt, aspeed-lpc, aspeed-gfx, ab8500-core, tps65912,
     mt6397
   - Use new I2C probing mechanism; max77686
   - Constification; rk808

  Bug Fixes:
   - Stop data transfer whilst suspended; cros_ec"

* tag 'mfd-for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (43 commits)
  mfd: lpc_ich: Enable watchdog on Intel Apollo Lake PCH
  mfd: lpc_ich: Remove useless comments in core part
  mfd: Add support for several boards to Kontron PLD driver
  mfd: constify regmap_irq_chip structures
  MAINTAINERS: Add include/dt-bindings/mfd to MFD entry
  mfd: cpcap: Add minimal support
  mfd: mt6397: Add MT6323 LED support into MT6397 driver
  Documentation: devicetree: Add LED subnode binding for MT6323 PMIC
  mfd: tps65912: Export OF device ID table as module aliases
  mfd: ab8500-core: Rename clock device and compatible
  mfd: cros_ec: Send correct suspend/resume event to EC
  mfd: max77686: Remove I2C device ID table
  mfd: max77686: Use the struct i2c_driver .probe_new instead of .probe
  mfd: max77686: Use of_device_get_match_data() helper
  mfd: max77686: Don't attempt to get i2c_device_id .data
  mfd: ab8500-sysctrl: Handle probe deferral
  mfd: intel-lpss: Add Intel Gemini Lake PCI IDs
  mfd: axp20x: Fix AXP806 access errors on cold boot
  mfd: cros_ec: Send suspend state notification to EC
  mfd: cros_ec: Prevent data transfer while device is suspended
  ...

6 files changed, 396 insertions, 12 deletions

diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
index 552cc1d61cc7..44412c9d26e1 100644
--- a/include/linux/mfd/abx500.h
+++ b/include/linux/mfd/abx500.h
@@ -45,7 +45,7 @@ enum abx500_adc_therm {
  * struct abx500_res_to_temp - defines one point in a temp to res curve. To
  * be used in battery packs that combines the identification resistor with a
  * NTC resistor.
- * @temp:                       battery pack temperature in Celcius
+ * @temp:                       battery pack temperature in Celsius
  * @resist:                     NTC resistor net total resistance
  */
 struct abx500_res_to_temp {
diff --git a/include/linux/mfd/abx500/ab8500-bm.h b/include/linux/mfd/abx500/ab8500-bm.h
index 12a5b396921e..e63681eb6c62 100644
--- a/include/linux/mfd/abx500/ab8500-bm.h
+++ b/include/linux/mfd/abx500/ab8500-bm.h
@@ -279,7 +279,7 @@ enum bup_vch_sel {
  * struct res_to_temp - defines one point in a temp to res curve. To
  * be used in battery packs that combines the identification resistor with a
  * NTC resistor.
- * @temp:                       battery pack temperature in Celcius
+ * @temp:                       battery pack temperature in Celsius
  * @resist:                     NTC resistor net total resistance
  */
 struct res_to_temp {
@@ -290,7 +290,7 @@ struct res_to_temp {
 /**
  * struct batres_vs_temp - defines one point in a temp vs battery internal
  * resistance curve.
- * @temp:                       battery pack temperature in Celcius
+ * @temp:                       battery pack temperature in Celsius
  * @resist:                     battery internal reistance in mOhm
  */
 struct batres_vs_temp {
diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
index f848ee86a339..0d9a1ff38393 100644
--- a/include/linux/mfd/axp20x.h
+++ b/include/linux/mfd/axp20x.h
@@ -235,10 +235,20 @@ enum axp20x_variants {
 #define AXP22X_BATLOW_THRES1            0xe6
 
 /* AXP288 specific registers */
+#define AXP288_POWER_REASON             0x02
+#define AXP288_BC_GLOBAL                0x2c
+#define AXP288_BC_VBUS_CNTL             0x2d
+#define AXP288_BC_USB_STAT              0x2e
+#define AXP288_BC_DET_STAT              0x2f
 #define AXP288_PMIC_ADC_H               0x56
 #define AXP288_PMIC_ADC_L               0x57
+#define AXP288_TS_ADC_H                 0x58
+#define AXP288_TS_ADC_L                 0x59
+#define AXP288_GP_ADC_H                 0x5a
+#define AXP288_GP_ADC_L                 0x5b
 #define AXP288_ADC_TS_PIN_CTRL          0x84
-#define AXP288_PMIC_ADC_EN              0x84
+#define AXP288_RT_BATT_V_H              0xa0
+#define AXP288_RT_BATT_V_L              0xa1
 
 /* Fuel Gauge */
 #define AXP288_FG_RDC1_REG          0xba
@@ -515,14 +525,10 @@ enum axp809_irqs {
         AXP809_IRQ_GPIO0_INPUT,
 };
 
-#define AXP288_TS_ADC_H         0x58
-#define AXP288_TS_ADC_L         0x59
-#define AXP288_GP_ADC_H         0x5a
-#define AXP288_GP_ADC_L         0x5b
-
 struct axp20x_dev {
         struct device                   *dev;
         int                             irq;
+        unsigned long                   irq_flags;
         struct regmap                   *regmap;
         struct regmap_irq_chip_data     *regmap_irqc;
         long                            variant;
@@ -582,7 +588,7 @@ int axp20x_match_device(struct axp20x_dev *axp20x);
 int axp20x_device_probe(struct axp20x_dev *axp20x);
 
 /**
- * axp20x_device_probe(): Remove a axp20x device
+ * axp20x_device_remove(): Remove a axp20x device
  *
  * @axp20x: axp20x device to remove
  *
diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h
index f62043a75f43..7a01c94496f1 100644
--- a/include/linux/mfd/cros_ec.h
+++ b/include/linux/mfd/cros_ec.h
@@ -103,6 +103,7 @@ struct cros_ec_command {
  * @din_size: size of din buffer to allocate (zero to use static din)
  * @dout_size: size of dout buffer to allocate (zero to use static dout)
  * @wake_enabled: true if this device can wake the system from sleep
+ * @suspended: true if this device had been suspended
  * @cmd_xfer: send command to EC and get response
  *     Returns the number of bytes received if the communication succeeded, but
  *     that doesn't mean the EC was happy with the command. The caller
@@ -136,6 +137,7 @@ struct cros_ec_device {
         int din_size;
         int dout_size;
         bool wake_enabled;
+        bool suspended;
         int (*cmd_xfer)(struct cros_ec_device *ec,
                         struct cros_ec_command *msg);
         int (*pkt_xfer)(struct cros_ec_device *ec,
diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h
index 098c3501ad2c..f1ef6388c233 100644
--- a/include/linux/mfd/cros_ec_commands.h
+++ b/include/linux/mfd/cros_ec_commands.h
@@ -1840,18 +1840,69 @@ struct ec_response_tmp006_get_raw {
  *
  * Returns raw data for keyboard cols; see ec_response_mkbp_info.cols for
  * expected response size.
+ *
+ * NOTE: This has been superseded by EC_CMD_MKBP_GET_NEXT_EVENT.  If you wish
+ * to obtain the instantaneous state, use EC_CMD_MKBP_INFO with the type
+ * EC_MKBP_INFO_CURRENT and event EC_MKBP_EVENT_KEY_MATRIX.
  */
 #define EC_CMD_MKBP_STATE 0x60
 
-/* Provide information about the matrix : number of rows and columns */
+/*
+ * Provide information about various MKBP things.  See enum ec_mkbp_info_type.
+ */
 #define EC_CMD_MKBP_INFO 0x61
 
 struct ec_response_mkbp_info {
         uint32_t rows;
         uint32_t cols;
-        uint8_t switches;
+        /* Formerly "switches", which was 0. */
+        uint8_t reserved;
 } __packed;
 
+struct ec_params_mkbp_info {
+        uint8_t info_type;
+        uint8_t event_type;
+} __packed;
+
+enum ec_mkbp_info_type {
+        /*
+         * Info about the keyboard matrix: number of rows and columns.
+         *
+         * Returns struct ec_response_mkbp_info.
+         */
+        EC_MKBP_INFO_KBD = 0,
+
+        /*
+         * For buttons and switches, info about which specifically are
+         * supported.  event_type must be set to one of the values in enum
+         * ec_mkbp_event.
+         *
+         * For EC_MKBP_EVENT_BUTTON and EC_MKBP_EVENT_SWITCH, returns a 4 byte
+         * bitmask indicating which buttons or switches are present.  See the
+         * bit inidices below.
+         */
+        EC_MKBP_INFO_SUPPORTED = 1,
+
+        /*
+         * Instantaneous state of buttons and switches.
+         *
+         * event_type must be set to one of the values in enum ec_mkbp_event.
+         *
+         * For EC_MKBP_EVENT_KEY_MATRIX, returns uint8_t key_matrix[13]
+         * indicating the current state of the keyboard matrix.
+         *
+         * For EC_MKBP_EVENT_HOST_EVENT, return uint32_t host_event, the raw
+         * event state.
+         *
+         * For EC_MKBP_EVENT_BUTTON, returns uint32_t buttons, indicating the
+         * state of supported buttons.
+         *
+         * For EC_MKBP_EVENT_SWITCH, returns uint32_t switches, indicating the
+         * state of supported switches.
+         */
+        EC_MKBP_INFO_CURRENT = 2,
+};
+
 /* Simulate key press */
 #define EC_CMD_MKBP_SIMULATE_KEY 0x62
 
@@ -1984,6 +2035,12 @@ enum ec_mkbp_event {
         /* New Sensor FIFO data. The event data is fifo_info structure. */
         EC_MKBP_EVENT_SENSOR_FIFO = 2,
 
+        /* The state of the non-matrixed buttons have changed. */
+        EC_MKBP_EVENT_BUTTON = 3,
+
+        /* The state of the switches have changed. */
+        EC_MKBP_EVENT_SWITCH = 4,
+
         /* Number of MKBP events */
         EC_MKBP_EVENT_COUNT,
 };
@@ -1993,6 +2050,9 @@ union ec_response_get_next_data {
 
         /* Unaligned */
         uint32_t  host_event;
+
+        uint32_t   buttons;
+        uint32_t   switches;
 } __packed;
 
 struct ec_response_get_next_event {
@@ -2001,6 +2061,16 @@ struct ec_response_get_next_event {
         union ec_response_get_next_data data;
 } __packed;
 
+/* Bit indices for buttons and switches.*/
+/* Buttons */
+#define EC_MKBP_POWER_BUTTON    0
+#define EC_MKBP_VOL_UP          1
+#define EC_MKBP_VOL_DOWN        2
+
+/* Switches */
+#define EC_MKBP_LID_OPEN        0
+#define EC_MKBP_TABLET_MODE     1
+
 /*****************************************************************************/
 /* Temperature sensor commands */
 
@@ -2478,6 +2548,20 @@ struct ec_params_ext_power_current_limit {
         uint32_t limit; /* in mA */
 } __packed;
 
+/* Inform the EC when entering a sleep state */
+#define EC_CMD_HOST_SLEEP_EVENT 0xa9
+
+enum host_sleep_event {
+        HOST_SLEEP_EVENT_S3_SUSPEND   = 1,
+        HOST_SLEEP_EVENT_S3_RESUME    = 2,
+        HOST_SLEEP_EVENT_S0IX_SUSPEND = 3,
+        HOST_SLEEP_EVENT_S0IX_RESUME  = 4
+};
+
+struct ec_params_host_sleep_event {
+        uint8_t sleep_event;
+} __packed;
+
 /*****************************************************************************/
 /* Smart battery pass-through */
 
diff --git a/include/linux/mfd/motorola-cpcap.h b/include/linux/mfd/motorola-cpcap.h
new file mode 100644
index 000000000000..b4031c2b2214
--- /dev/null
+++ b/include/linux/mfd/motorola-cpcap.h
@@ -0,0 +1,292 @@
+/*
+ * The register defines are based on earlier cpcap.h in Motorola Linux kernel
+ * tree.
+ *
+ * Copyright (C) 2007-2009 Motorola, Inc.
+ *
+ * Rewritten for the real register offsets instead of enumeration
+ * to make the defines usable with Linux kernel regmap support
+ *
+ * Copyright (C) 2016 Tony Lindgren <tony@atomide.com>
+ *
+ * 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.
+ */
+
+#define CPCAP_VENDOR_ST         0
+#define CPCAP_VENDOR_TI         1
+
+#define CPCAP_REVISION_MAJOR(r) (((r) >> 4) + 1)
+#define CPCAP_REVISION_MINOR(r) ((r) & 0xf)
+
+#define CPCAP_REVISION_1_0      0x08
+#define CPCAP_REVISION_1_1      0x09
+#define CPCAP_REVISION_2_0      0x10
+#define CPCAP_REVISION_2_1      0x11
+
+/* CPCAP registers */
+#define CPCAP_REG_INT1          0x0000  /* Interrupt 1 */
+#define CPCAP_REG_INT2          0x0004  /* Interrupt 2 */
+#define CPCAP_REG_INT3          0x0008  /* Interrupt 3 */
+#define CPCAP_REG_INT4          0x000c  /* Interrupt 4 */
+#define CPCAP_REG_INTM1         0x0010  /* Interrupt Mask 1 */
+#define CPCAP_REG_INTM2         0x0014  /* Interrupt Mask 2 */
+#define CPCAP_REG_INTM3         0x0018  /* Interrupt Mask 3 */
+#define CPCAP_REG_INTM4         0x001c  /* Interrupt Mask 4 */
+#define CPCAP_REG_INTS1         0x0020  /* Interrupt Sense 1 */
+#define CPCAP_REG_INTS2         0x0024  /* Interrupt Sense 2 */
+#define CPCAP_REG_INTS3         0x0028  /* Interrupt Sense 3 */
+#define CPCAP_REG_INTS4         0x002c  /* Interrupt Sense 4 */
+#define CPCAP_REG_ASSIGN1       0x0030  /* Resource Assignment 1 */
+#define CPCAP_REG_ASSIGN2       0x0034  /* Resource Assignment 2 */
+#define CPCAP_REG_ASSIGN3       0x0038  /* Resource Assignment 3 */
+#define CPCAP_REG_ASSIGN4       0x003c  /* Resource Assignment 4 */
+#define CPCAP_REG_ASSIGN5       0x0040  /* Resource Assignment 5 */
+#define CPCAP_REG_ASSIGN6       0x0044  /* Resource Assignment 6 */
+#define CPCAP_REG_VERSC1        0x0048  /* Version Control 1 */
+#define CPCAP_REG_VERSC2        0x004c  /* Version Control 2 */
+
+#define CPCAP_REG_MI1           0x0200  /* Macro Interrupt 1 */
+#define CPCAP_REG_MIM1          0x0204  /* Macro Interrupt Mask 1 */
+#define CPCAP_REG_MI2           0x0208  /* Macro Interrupt 2 */
+#define CPCAP_REG_MIM2          0x020c  /* Macro Interrupt Mask 2 */
+#define CPCAP_REG_UCC1          0x0210  /* UC Control 1 */
+#define CPCAP_REG_UCC2          0x0214  /* UC Control 2 */
+
+#define CPCAP_REG_PC1           0x021c  /* Power Cut 1 */
+#define CPCAP_REG_PC2           0x0220  /* Power Cut 2 */
+#define CPCAP_REG_BPEOL         0x0224  /* BP and EOL */
+#define CPCAP_REG_PGC           0x0228  /* Power Gate and Control */
+#define CPCAP_REG_MT1           0x022c  /* Memory Transfer 1 */
+#define CPCAP_REG_MT2           0x0230  /* Memory Transfer 2 */
+#define CPCAP_REG_MT3           0x0234  /* Memory Transfer 3 */
+#define CPCAP_REG_PF            0x0238  /* Print Format */
+
+#define CPCAP_REG_SCC           0x0400  /* System Clock Control */
+#define CPCAP_REG_SW1           0x0404  /* Stop Watch 1 */
+#define CPCAP_REG_SW2           0x0408  /* Stop Watch 2 */
+#define CPCAP_REG_UCTM          0x040c  /* UC Turbo Mode */
+#define CPCAP_REG_TOD1          0x0410  /* Time of Day 1 */
+#define CPCAP_REG_TOD2          0x0414  /* Time of Day 2 */
+#define CPCAP_REG_TODA1         0x0418  /* Time of Day Alarm 1 */
+#define CPCAP_REG_TODA2         0x041c  /* Time of Day Alarm 2 */
+#define CPCAP_REG_DAY           0x0420  /* Day */
+#define CPCAP_REG_DAYA          0x0424  /* Day Alarm */
+#define CPCAP_REG_VAL1          0x0428  /* Validity 1 */
+#define CPCAP_REG_VAL2          0x042c  /* Validity 2 */
+
+#define CPCAP_REG_SDVSPLL       0x0600  /* Switcher DVS and PLL */
+#define CPCAP_REG_SI2CC1        0x0604  /* Switcher I2C Control 1 */
+#define CPCAP_REG_Si2CC2        0x0608  /* Switcher I2C Control 2 */
+#define CPCAP_REG_S1C1          0x060c  /* Switcher 1 Control 1 */
+#define CPCAP_REG_S1C2          0x0610  /* Switcher 1 Control 2 */
+#define CPCAP_REG_S2C1          0x0614  /* Switcher 2 Control 1 */
+#define CPCAP_REG_S2C2          0x0618  /* Switcher 2 Control 2 */
+#define CPCAP_REG_S3C           0x061c  /* Switcher 3 Control */
+#define CPCAP_REG_S4C1          0x0620  /* Switcher 4 Control 1 */
+#define CPCAP_REG_S4C2          0x0624  /* Switcher 4 Control 2 */
+#define CPCAP_REG_S5C           0x0628  /* Switcher 5 Control */
+#define CPCAP_REG_S6C           0x062c  /* Switcher 6 Control */
+#define CPCAP_REG_VCAMC         0x0630  /* VCAM Control */
+#define CPCAP_REG_VCSIC         0x0634  /* VCSI Control */
+#define CPCAP_REG_VDACC         0x0638  /* VDAC Control */
+#define CPCAP_REG_VDIGC         0x063c  /* VDIG Control */
+#define CPCAP_REG_VFUSEC        0x0640  /* VFUSE Control */
+#define CPCAP_REG_VHVIOC        0x0644  /* VHVIO Control */
+#define CPCAP_REG_VSDIOC        0x0648  /* VSDIO Control */
+#define CPCAP_REG_VPLLC         0x064c  /* VPLL Control */
+#define CPCAP_REG_VRF1C         0x0650  /* VRF1 Control */
+#define CPCAP_REG_VRF2C         0x0654  /* VRF2 Control */
+#define CPCAP_REG_VRFREFC       0x0658  /* VRFREF Control */
+#define CPCAP_REG_VWLAN1C       0x065c  /* VWLAN1 Control */
+#define CPCAP_REG_VWLAN2C       0x0660  /* VWLAN2 Control */
+#define CPCAP_REG_VSIMC         0x0664  /* VSIM Control */
+#define CPCAP_REG_VVIBC         0x0668  /* VVIB Control */
+#define CPCAP_REG_VUSBC         0x066c  /* VUSB Control */
+#define CPCAP_REG_VUSBINT1C     0x0670  /* VUSBINT1 Control */
+#define CPCAP_REG_VUSBINT2C     0x0674  /* VUSBINT2 Control */
+#define CPCAP_REG_URT           0x0678  /* Useroff Regulator Trigger */
+#define CPCAP_REG_URM1          0x067c  /* Useroff Regulator Mask 1 */
+#define CPCAP_REG_URM2          0x0680  /* Useroff Regulator Mask 2 */
+
+#define CPCAP_REG_VAUDIOC       0x0800  /* VAUDIO Control */
+#define CPCAP_REG_CC            0x0804  /* Codec Control */
+#define CPCAP_REG_CDI           0x0808  /* Codec Digital Interface */
+#define CPCAP_REG_SDAC          0x080c  /* Stereo DAC */
+#define CPCAP_REG_SDACDI        0x0810  /* Stereo DAC Digital Interface */
+#define CPCAP_REG_TXI           0x0814  /* TX Inputs */
+#define CPCAP_REG_TXMP          0x0818  /* TX MIC PGA's */
+#define CPCAP_REG_RXOA          0x081c  /* RX Output Amplifiers */
+#define CPCAP_REG_RXVC          0x0820  /* RX Volume Control */
+#define CPCAP_REG_RXCOA         0x0824  /* RX Codec to Output Amps */
+#define CPCAP_REG_RXSDOA        0x0828  /* RX Stereo DAC to Output Amps */
+#define CPCAP_REG_RXEPOA        0x082c  /* RX External PGA to Output Amps */
+#define CPCAP_REG_RXLL          0x0830  /* RX Low Latency */
+#define CPCAP_REG_A2LA          0x0834  /* A2 Loudspeaker Amplifier */
+#define CPCAP_REG_MIPIS1        0x0838  /* MIPI Slimbus 1 */
+#define CPCAP_REG_MIPIS2        0x083c  /* MIPI Slimbus 2 */
+#define CPCAP_REG_MIPIS3        0x0840  /* MIPI Slimbus 3. */
+#define CPCAP_REG_LVAB          0x0844  /* LMR Volume and A4 Balanced. */
+
+#define CPCAP_REG_CCC1          0x0a00  /* Coulomb Counter Control 1 */
+#define CPCAP_REG_CRM           0x0a04  /* Charger and Reverse Mode */
+#define CPCAP_REG_CCCC2         0x0a08  /* Coincell and Coulomb Ctr Ctrl 2 */
+#define CPCAP_REG_CCS1          0x0a0c  /* Coulomb Counter Sample 1 */
+#define CPCAP_REG_CCS2          0x0a10  /* Coulomb Counter Sample 2 */
+#define CPCAP_REG_CCA1          0x0a14  /* Coulomb Counter Accumulator 1 */
+#define CPCAP_REG_CCA2          0x0a18  /* Coulomb Counter Accumulator 2 */
+#define CPCAP_REG_CCM           0x0a1c  /* Coulomb Counter Mode */
+#define CPCAP_REG_CCO           0x0a20  /* Coulomb Counter Offset */
+#define CPCAP_REG_CCI           0x0a24  /* Coulomb Counter Integrator */
+
+#define CPCAP_REG_ADCC1         0x0c00  /* A/D Converter Configuration 1 */
+#define CPCAP_REG_ADCC2         0x0c04  /* A/D Converter Configuration 2 */
+#define CPCAP_REG_ADCD0         0x0c08  /* A/D Converter Data 0 */
+#define CPCAP_REG_ADCD1         0x0c0c  /* A/D Converter Data 1 */
+#define CPCAP_REG_ADCD2         0x0c10  /* A/D Converter Data 2 */
+#define CPCAP_REG_ADCD3         0x0c14  /* A/D Converter Data 3 */
+#define CPCAP_REG_ADCD4         0x0c18  /* A/D Converter Data 4 */
+#define CPCAP_REG_ADCD5         0x0c1c  /* A/D Converter Data 5 */
+#define CPCAP_REG_ADCD6         0x0c20  /* A/D Converter Data 6 */
+#define CPCAP_REG_ADCD7         0x0c24  /* A/D Converter Data 7 */
+#define CPCAP_REG_ADCAL1        0x0c28  /* A/D Converter Calibration 1 */
+#define CPCAP_REG_ADCAL2        0x0c2c  /* A/D Converter Calibration 2 */
+
+#define CPCAP_REG_USBC1         0x0e00  /* USB Control 1 */
+#define CPCAP_REG_USBC2         0x0e04  /* USB Control 2 */
+#define CPCAP_REG_USBC3         0x0e08  /* USB Control 3 */
+#define CPCAP_REG_UVIDL         0x0e0c  /* ULPI Vendor ID Low */
+#define CPCAP_REG_UVIDH         0x0e10  /* ULPI Vendor ID High */
+#define CPCAP_REG_UPIDL         0x0e14  /* ULPI Product ID Low */
+#define CPCAP_REG_UPIDH         0x0e18  /* ULPI Product ID High */
+#define CPCAP_REG_UFC1          0x0e1c  /* ULPI Function Control 1 */
+#define CPCAP_REG_UFC2          0x0e20  /* ULPI Function Control 2 */
+#define CPCAP_REG_UFC3          0x0e24  /* ULPI Function Control 3 */
+#define CPCAP_REG_UIC1          0x0e28  /* ULPI Interface Control 1 */
+#define CPCAP_REG_UIC2          0x0e2c  /* ULPI Interface Control 2 */
+#define CPCAP_REG_UIC3          0x0e30  /* ULPI Interface Control 3 */
+#define CPCAP_REG_USBOTG1       0x0e34  /* USB OTG Control 1 */
+#define CPCAP_REG_USBOTG2       0x0e38  /* USB OTG Control 2 */
+#define CPCAP_REG_USBOTG3       0x0e3c  /* USB OTG Control 3 */
+#define CPCAP_REG_UIER1         0x0e40  /* USB Interrupt Enable Rising 1 */
+#define CPCAP_REG_UIER2         0x0e44  /* USB Interrupt Enable Rising 2 */
+#define CPCAP_REG_UIER3         0x0e48  /* USB Interrupt Enable Rising 3 */
+#define CPCAP_REG_UIEF1         0x0e4c  /* USB Interrupt Enable Falling 1 */
+#define CPCAP_REG_UIEF2         0x0e50  /* USB Interrupt Enable Falling 1 */
+#define CPCAP_REG_UIEF3         0x0e54  /* USB Interrupt Enable Falling 1 */
+#define CPCAP_REG_UIS           0x0e58  /* USB Interrupt Status */
+#define CPCAP_REG_UIL           0x0e5c  /* USB Interrupt Latch */
+#define CPCAP_REG_USBD          0x0e60  /* USB Debug */
+#define CPCAP_REG_SCR1          0x0e64  /* Scratch 1 */
+#define CPCAP_REG_SCR2          0x0e68  /* Scratch 2 */
+#define CPCAP_REG_SCR3          0x0e6c  /* Scratch 3 */
+
+#define CPCAP_REG_VMC           0x0eac  /* Video Mux Control */
+#define CPCAP_REG_OWDC          0x0eb0  /* One Wire Device Control */
+#define CPCAP_REG_GPIO0         0x0eb4  /* GPIO 0 Control */
+
+#define CPCAP_REG_GPIO1         0x0ebc  /* GPIO 1 Control */
+
+#define CPCAP_REG_GPIO2         0x0ec4  /* GPIO 2 Control */
+
+#define CPCAP_REG_GPIO3         0x0ecc  /* GPIO 3 Control */
+
+#define CPCAP_REG_GPIO4         0x0ed4  /* GPIO 4 Control */
+
+#define CPCAP_REG_GPIO5         0x0edc  /* GPIO 5 Control */
+
+#define CPCAP_REG_GPIO6         0x0ee4  /* GPIO 6 Control */
+
+#define CPCAP_REG_MDLC          0x1000  /* Main Display Lighting Control */
+#define CPCAP_REG_KLC           0x1004  /* Keypad Lighting Control */
+#define CPCAP_REG_ADLC          0x1008  /* Aux Display Lighting Control */
+#define CPCAP_REG_REDC          0x100c  /* Red Triode Control */
+#define CPCAP_REG_GREENC        0x1010  /* Green Triode Control */
+#define CPCAP_REG_BLUEC         0x1014  /* Blue Triode Control */
+#define CPCAP_REG_CFC           0x1018  /* Camera Flash Control */
+#define CPCAP_REG_ABC           0x101c  /* Adaptive Boost Control */
+#define CPCAP_REG_BLEDC         0x1020  /* Bluetooth LED Control */
+#define CPCAP_REG_CLEDC         0x1024  /* Camera Privacy LED Control */
+
+#define CPCAP_REG_OW1C          0x1200  /* One Wire 1 Command */
+#define CPCAP_REG_OW1D          0x1204  /* One Wire 1 Data */
+#define CPCAP_REG_OW1I          0x1208  /* One Wire 1 Interrupt */
+#define CPCAP_REG_OW1IE         0x120c  /* One Wire 1 Interrupt Enable */
+
+#define CPCAP_REG_OW1           0x1214  /* One Wire 1 Control */
+
+#define CPCAP_REG_OW2C          0x1220  /* One Wire 2 Command */
+#define CPCAP_REG_OW2D          0x1224  /* One Wire 2 Data */
+#define CPCAP_REG_OW2I          0x1228  /* One Wire 2 Interrupt */
+#define CPCAP_REG_OW2IE         0x122c  /* One Wire 2 Interrupt Enable */
+
+#define CPCAP_REG_OW2           0x1234  /* One Wire 2 Control */
+
+#define CPCAP_REG_OW3C          0x1240  /* One Wire 3 Command */
+#define CPCAP_REG_OW3D          0x1244  /* One Wire 3 Data */
+#define CPCAP_REG_OW3I          0x1248  /* One Wire 3 Interrupt */
+#define CPCAP_REG_OW3IE         0x124c  /* One Wire 3 Interrupt Enable */
+
+#define CPCAP_REG_OW3           0x1254  /* One Wire 3 Control */
+#define CPCAP_REG_GCAIC         0x1258  /* GCAI Clock Control */
+#define CPCAP_REG_GCAIM         0x125c  /* GCAI GPIO Mode */
+#define CPCAP_REG_LGDIR         0x1260  /* LMR GCAI GPIO Direction */
+#define CPCAP_REG_LGPU          0x1264  /* LMR GCAI GPIO Pull-up */
+#define CPCAP_REG_LGPIN         0x1268  /* LMR GCAI GPIO Pin */
+#define CPCAP_REG_LGMASK        0x126c  /* LMR GCAI GPIO Mask */
+#define CPCAP_REG_LDEB          0x1270  /* LMR Debounce Settings */
+#define CPCAP_REG_LGDET         0x1274  /* LMR GCAI Detach Detect */
+#define CPCAP_REG_LMISC         0x1278  /* LMR Misc Bits */
+#define CPCAP_REG_LMACE         0x127c  /* LMR Mace IC Support */
+
+#define CPCAP_REG_TEST          0x7c00  /* Test */
+
+#define CPCAP_REG_ST_TEST1      0x7d08  /* ST Test1 */
+
+#define CPCAP_REG_ST_TEST2      0x7d18  /* ST Test2 */
+
+/*
+ * Helpers for child devices to check the revision and vendor.
+ *
+ * REVISIT: No documentation for the bits below, please update
+ * to use proper names for defines when available.
+ */
+
+static inline int cpcap_get_revision(struct device *dev,
+                                     struct regmap *regmap,
+                                     u16 *revision)
+{
+        unsigned int val;
+        int ret;
+
+        ret = regmap_read(regmap, CPCAP_REG_VERSC1, &val);
+        if (ret) {
+                dev_err(dev, "Could not read revision\n");
+
+                return ret;
+        }
+
+        *revision = ((val >> 3) & 0x7) | ((val << 3) & 0x38);
+
+        return 0;
+}
+
+static inline int cpcap_get_vendor(struct device *dev,
+                                   struct regmap *regmap,
+                                   u16 *vendor)
+{
+        unsigned int val;
+        int ret;
+
+        ret = regmap_read(regmap, CPCAP_REG_VERSC1, &val);
+        if (ret) {
+                dev_err(dev, "Could not read vendor\n");
+
+                return ret;
+        }
+
+        *vendor = (val >> 6) & 0x7;
+
+        return 0;
+}