On Sat, 27 Sep 2014, Jonathan Cameron wrote:

> On 25/09/14 12:20, Jacob Pan wrote:
> > X-Powers AXP288 is a customized PMIC for Intel Baytrail-CR platforms. 
> > Similar
> > to AXP202/209, AXP288 comes with USB charger, more LDO and BUCK channels, 
> > and
> > AD converters. It also provides extended status and interrupt reporting
> > capabilities than the devices currently supported in axp20x.c.
> >
> > In addition to feature extension, this patch also adds ACPI binding for
> > enumeration.
> >
> > This consolidated driver should support more X-Powers' PMICs in both device
> > tree and ACPI enumerated platforms.
> >
> > Signed-off-by: Jacob Pan <[email protected]>
> > Reviewed-by: Maxime Ripard <[email protected]>
> Reviewed-by: Jonathan Cameron <[email protected]>
> 
> (I'm assuming Lee will take the whole series when he is happy with it).

I only see patch 1?

> > ---
> >  drivers/mfd/Kconfig        |   3 +-
> >  drivers/mfd/axp20x.c       | 361 
> > ++++++++++++++++++++++++++++++++++++++-------
> >  include/linux/mfd/axp20x.h |  59 ++++++++
> >  3 files changed, 367 insertions(+), 56 deletions(-)
> >
> > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> > index de5abf2..c183edb 100644
> > --- a/drivers/mfd/Kconfig
> > +++ b/drivers/mfd/Kconfig
> > @@ -74,7 +74,8 @@ config MFD_AXP20X
> >     select REGMAP_IRQ
> >     depends on I2C=y
> >     help
> > -     If you say Y here you get support for the X-Powers AXP202 and AXP209.
> > +     If you say Y here you get support for the X-Powers AXP202, AXP209 and
> > +     AXP288 power management IC (PMIC).
> >       This driver include only the core APIs. You have to select individual
> >       components like regulators or the PEK (Power Enable Key) under the
> >       corresponding menus.
> > diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
> > index dee6539..69fd231 100644
> > --- a/drivers/mfd/axp20x.c
> > +++ b/drivers/mfd/axp20x.c
> > @@ -1,9 +1,9 @@
> >  /*
> > - * axp20x.c - MFD core driver for the X-Powers AXP202 and AXP209
> > + * axp20x.c - MFD core driver for the X-Powers' Power Management ICs
> >   *
> > - * AXP20x comprises an adaptive USB-Compatible PWM charger, 2 BUCK DC-DC
> > - * converters, 5 LDOs, multiple 12-bit ADCs of voltage, current and 
> > temperature
> > - * as well as 4 configurable GPIOs.
> > + * AXP20x typically comprises an adaptive USB-Compatible PWM charger, BUCK 
> > DC-DC
> > + * converters, LDOs, multiple 12-bit ADCs of voltage, current and 
> > temperature
> > + * as well as configurable GPIOs.
> >   *
> >   * Author: Carlo Caione <[email protected]>
> >   *
> > @@ -25,9 +25,16 @@
> >  #include <linux/mfd/core.h>
> >  #include <linux/of_device.h>
> >  #include <linux/of_irq.h>
> > +#include <linux/acpi.h>
> >
> >  #define AXP20X_OFF 0x80
> >
> > +static const char const *axp20x_model_names[] = {
> > +   "AXP202",
> > +   "AXP209",
> > +   "AXP288",
> > +};
> > +
> >  static const struct regmap_range axp20x_writeable_ranges[] = {
> >     regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
> >     regmap_reg_range(AXP20X_DCDC_MODE, AXP20X_FG_RES),
> > @@ -47,6 +54,25 @@ static const struct regmap_access_table 
> > axp20x_volatile_table = {
> >     .n_yes_ranges   = ARRAY_SIZE(axp20x_volatile_ranges),
> >  };
> >
> > +static const struct regmap_range axp288_writeable_ranges[] = {
> > +   regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
> > +   regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
> > +};
> > +
> > +static const struct regmap_range axp288_volatile_ranges[] = {
> > +   regmap_reg_range(AXP20X_IRQ1_EN,  AXP20X_IPSOUT_V_HIGH_L),
> > +};
> > +
> > +static const struct regmap_access_table axp288_writeable_table = {
> > +   .yes_ranges     = axp288_writeable_ranges,
> > +   .n_yes_ranges   = ARRAY_SIZE(axp288_writeable_ranges),
> > +};
> > +
> > +static const struct regmap_access_table axp288_volatile_table = {
> > +   .yes_ranges     = axp288_volatile_ranges,
> > +   .n_yes_ranges   = ARRAY_SIZE(axp288_volatile_ranges),
> > +};
> > +
> >  static struct resource axp20x_pek_resources[] = {
> >     {
> >             .name   = "PEK_DBR",
> > @@ -61,6 +87,39 @@ static struct resource axp20x_pek_resources[] = {
> >     },
> >  };
> >
> > +static struct resource axp288_battery_resources[] = {
> > +   {
> > +           .start = AXP288_IRQ_QWBTU,
> > +           .end   = AXP288_IRQ_QWBTU,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_WBTU,
> > +           .end   = AXP288_IRQ_WBTU,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_QWBTO,
> > +           .end   = AXP288_IRQ_QWBTO,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_WBTO,
> > +           .end   = AXP288_IRQ_WBTO,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_WL2,
> > +           .end   = AXP288_IRQ_WL2,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_WL1,
> > +           .end   = AXP288_IRQ_WL1,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +};
> > +
> >  static const struct regmap_config axp20x_regmap_config = {
> >     .reg_bits       = 8,
> >     .val_bits       = 8,
> > @@ -70,47 +129,96 @@ static const struct regmap_config axp20x_regmap_config 
> > = {
> >     .cache_type     = REGCACHE_RBTREE,
> >  };
> >
> > -#define AXP20X_IRQ(_irq, _off, _mask) \
> > -   [AXP20X_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }
> > +static const struct regmap_config axp288_regmap_config = {
> > +   .reg_bits       = 8,
> > +   .val_bits       = 8,
> > +   .wr_table       = &axp288_writeable_table,
> > +   .volatile_table = &axp288_volatile_table,
> > +   .max_register   = AXP288_FG_TUNE5,
> > +   .cache_type     = REGCACHE_RBTREE,
> > +};
> > +
> > +#define INIT_REGMAP_IRQ(_variant, _irq, _off, _mask)                       
> > \
> > +   [_variant##_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }
> >
> >  static const struct regmap_irq axp20x_regmap_irqs[] = {
> > -   AXP20X_IRQ(ACIN_OVER_V,         0, 7),
> > -   AXP20X_IRQ(ACIN_PLUGIN,         0, 6),
> > -   AXP20X_IRQ(ACIN_REMOVAL,        0, 5),
> > -   AXP20X_IRQ(VBUS_OVER_V,         0, 4),
> > -   AXP20X_IRQ(VBUS_PLUGIN,         0, 3),
> > -   AXP20X_IRQ(VBUS_REMOVAL,        0, 2),
> > -   AXP20X_IRQ(VBUS_V_LOW,          0, 1),
> > -   AXP20X_IRQ(BATT_PLUGIN,         1, 7),
> > -   AXP20X_IRQ(BATT_REMOVAL,        1, 6),
> > -   AXP20X_IRQ(BATT_ENT_ACT_MODE,   1, 5),
> > -   AXP20X_IRQ(BATT_EXIT_ACT_MODE,  1, 4),
> > -   AXP20X_IRQ(CHARG,               1, 3),
> > -   AXP20X_IRQ(CHARG_DONE,          1, 2),
> > -   AXP20X_IRQ(BATT_TEMP_HIGH,      1, 1),
> > -   AXP20X_IRQ(BATT_TEMP_LOW,       1, 0),
> > -   AXP20X_IRQ(DIE_TEMP_HIGH,       2, 7),
> > -   AXP20X_IRQ(CHARG_I_LOW,         2, 6),
> > -   AXP20X_IRQ(DCDC1_V_LONG,        2, 5),
> > -   AXP20X_IRQ(DCDC2_V_LONG,        2, 4),
> > -   AXP20X_IRQ(DCDC3_V_LONG,        2, 3),
> > -   AXP20X_IRQ(PEK_SHORT,           2, 1),
> > -   AXP20X_IRQ(PEK_LONG,            2, 0),
> > -   AXP20X_IRQ(N_OE_PWR_ON,         3, 7),
> > -   AXP20X_IRQ(N_OE_PWR_OFF,        3, 6),
> > -   AXP20X_IRQ(VBUS_VALID,          3, 5),
> > -   AXP20X_IRQ(VBUS_NOT_VALID,      3, 4),
> > -   AXP20X_IRQ(VBUS_SESS_VALID,     3, 3),
> > -   AXP20X_IRQ(VBUS_SESS_END,       3, 2),
> > -   AXP20X_IRQ(LOW_PWR_LVL1,        3, 1),
> > -   AXP20X_IRQ(LOW_PWR_LVL2,        3, 0),
> > -   AXP20X_IRQ(TIMER,               4, 7),
> > -   AXP20X_IRQ(PEK_RIS_EDGE,        4, 6),
> > -   AXP20X_IRQ(PEK_FAL_EDGE,        4, 5),
> > -   AXP20X_IRQ(GPIO3_INPUT,         4, 3),
> > -   AXP20X_IRQ(GPIO2_INPUT,         4, 2),
> > -   AXP20X_IRQ(GPIO1_INPUT,         4, 1),
> > -   AXP20X_IRQ(GPIO0_INPUT,         4, 0),
> > +   INIT_REGMAP_IRQ(AXP20X, ACIN_OVER_V,            0, 7),
> > +   INIT_REGMAP_IRQ(AXP20X, ACIN_PLUGIN,            0, 6),
> > +   INIT_REGMAP_IRQ(AXP20X, ACIN_REMOVAL,           0, 5),
> > +   INIT_REGMAP_IRQ(AXP20X, VBUS_OVER_V,            0, 4),
> > +   INIT_REGMAP_IRQ(AXP20X, VBUS_PLUGIN,            0, 3),
> > +   INIT_REGMAP_IRQ(AXP20X, VBUS_REMOVAL,           0, 2),
> > +   INIT_REGMAP_IRQ(AXP20X, VBUS_V_LOW,             0, 1),
> > +   INIT_REGMAP_IRQ(AXP20X, BATT_PLUGIN,            1, 7),
> > +   INIT_REGMAP_IRQ(AXP20X, BATT_REMOVAL,           1, 6),
> > +   INIT_REGMAP_IRQ(AXP20X, BATT_ENT_ACT_MODE,      1, 5),
> > +   INIT_REGMAP_IRQ(AXP20X, BATT_EXIT_ACT_MODE,     1, 4),
> > +   INIT_REGMAP_IRQ(AXP20X, CHARG,                  1, 3),
> > +   INIT_REGMAP_IRQ(AXP20X, CHARG_DONE,             1, 2),
> > +   INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_HIGH,         1, 1),
> > +   INIT_REGMAP_IRQ(AXP20X, BATT_TEMP_LOW,          1, 0),
> > +   INIT_REGMAP_IRQ(AXP20X, DIE_TEMP_HIGH,          2, 7),
> > +   INIT_REGMAP_IRQ(AXP20X, CHARG_I_LOW,            2, 6),
> > +   INIT_REGMAP_IRQ(AXP20X, DCDC1_V_LONG,           2, 5),
> > +   INIT_REGMAP_IRQ(AXP20X, DCDC2_V_LONG,           2, 4),
> > +   INIT_REGMAP_IRQ(AXP20X, DCDC3_V_LONG,           2, 3),
> > +   INIT_REGMAP_IRQ(AXP20X, PEK_SHORT,              2, 1),
> > +   INIT_REGMAP_IRQ(AXP20X, PEK_LONG,               2, 0),
> > +   INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_ON,            3, 7),
> > +   INIT_REGMAP_IRQ(AXP20X, N_OE_PWR_OFF,           3, 6),
> > +   INIT_REGMAP_IRQ(AXP20X, VBUS_VALID,             3, 5),
> > +   INIT_REGMAP_IRQ(AXP20X, VBUS_NOT_VALID,         3, 4),
> > +   INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_VALID,        3, 3),
> > +   INIT_REGMAP_IRQ(AXP20X, VBUS_SESS_END,          3, 2),
> > +   INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL1,           3, 1),
> > +   INIT_REGMAP_IRQ(AXP20X, LOW_PWR_LVL2,           3, 0),
> > +   INIT_REGMAP_IRQ(AXP20X, TIMER,                  4, 7),
> > +   INIT_REGMAP_IRQ(AXP20X, PEK_RIS_EDGE,           4, 6),
> > +   INIT_REGMAP_IRQ(AXP20X, PEK_FAL_EDGE,           4, 5),
> > +   INIT_REGMAP_IRQ(AXP20X, GPIO3_INPUT,            4, 3),
> > +   INIT_REGMAP_IRQ(AXP20X, GPIO2_INPUT,            4, 2),
> > +   INIT_REGMAP_IRQ(AXP20X, GPIO1_INPUT,            4, 1),
> > +   INIT_REGMAP_IRQ(AXP20X, GPIO0_INPUT,            4, 0),
> > +};
> > +
> > +/* some IRQs are compatible with axp20x models */
> > +static const struct regmap_irq axp288_regmap_irqs[] = {
> > +   INIT_REGMAP_IRQ(AXP20X, VBUS_REMOVAL,           0, 2),
> > +   INIT_REGMAP_IRQ(AXP20X, VBUS_PLUGIN,            0, 3),
> > +   INIT_REGMAP_IRQ(AXP20X, VBUS_OVER_V,            0, 4),
> > +
> > +   INIT_REGMAP_IRQ(AXP20X, CHARG_DONE,             1, 2),
> > +   INIT_REGMAP_IRQ(AXP20X, CHARG,                  1, 3),
> > +   INIT_REGMAP_IRQ(AXP288, SAFE_QUIT,              1, 4),
> > +   INIT_REGMAP_IRQ(AXP288, SAFE_ENTER,             1, 5),
> > +   INIT_REGMAP_IRQ(AXP20X, BATT_REMOVAL,           1, 6),
> > +   INIT_REGMAP_IRQ(AXP20X, BATT_PLUGIN,            1, 7),
> > +
> > +   INIT_REGMAP_IRQ(AXP288, QWBTU,                  2, 0),
> > +   INIT_REGMAP_IRQ(AXP288, WBTU,                   2, 1),
> > +   INIT_REGMAP_IRQ(AXP288, QWBTO,                  2, 2),
> > +   INIT_REGMAP_IRQ(AXP288, WBTU,                   2, 3),
> > +   INIT_REGMAP_IRQ(AXP288, QCBTU,                  2, 4),
> > +   INIT_REGMAP_IRQ(AXP288, CBTU,                   2, 5),
> > +   INIT_REGMAP_IRQ(AXP288, QCBTO,                  2, 6),
> > +   INIT_REGMAP_IRQ(AXP288, CBTO,                   2, 7),
> > +
> > +   INIT_REGMAP_IRQ(AXP288, WL2,                    3, 0),
> > +   INIT_REGMAP_IRQ(AXP288, WL1,                    3, 1),
> > +   INIT_REGMAP_IRQ(AXP288, GPADC,                  3, 2),
> > +   INIT_REGMAP_IRQ(AXP288, OT,                     3, 7),
> > +
> > +   INIT_REGMAP_IRQ(AXP288, GPIO0,                  4, 0),
> > +   INIT_REGMAP_IRQ(AXP288, GPIO1,                  4, 1),
> > +   INIT_REGMAP_IRQ(AXP288, POKO,                   4, 2),
> > +   INIT_REGMAP_IRQ(AXP288, POKL,                   4, 3),
> > +   INIT_REGMAP_IRQ(AXP288, POKS,                   4, 4),
> > +   INIT_REGMAP_IRQ(AXP288, POKN,                   4, 5),
> > +   INIT_REGMAP_IRQ(AXP288, POKP,                   4, 6),
> > +   INIT_REGMAP_IRQ(AXP20X, TIMER,                  4, 7),
> > +
> > +   INIT_REGMAP_IRQ(AXP288, MV_CHNG,                5, 0),
> > +   INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG,            5, 1),
> >  };
> >
> >  static const struct of_device_id axp20x_of_match[] = {
> > @@ -128,16 +236,39 @@ static const struct i2c_device_id axp20x_i2c_id[] = {
> >  };
> >  MODULE_DEVICE_TABLE(i2c, axp20x_i2c_id);
> >
> > +static struct acpi_device_id axp20x_acpi_match[] = {
> > +   {
> > +           .id = "INT33F4",
> > +           .driver_data = AXP288_ID,
> > +   },
> > +   { },
> > +};
> > +MODULE_DEVICE_TABLE(acpi, axp20x_acpi_match);
> > +
> >  static const struct regmap_irq_chip axp20x_regmap_irq_chip = {
> >     .name                   = "axp20x_irq_chip",
> >     .status_base            = AXP20X_IRQ1_STATE,
> >     .ack_base               = AXP20X_IRQ1_STATE,
> >     .mask_base              = AXP20X_IRQ1_EN,
> > -   .num_regs               = 5,
> > +   .mask_invert            = true,
> > +   .init_ack_masked        = true,
> >     .irqs                   = axp20x_regmap_irqs,
> >     .num_irqs               = ARRAY_SIZE(axp20x_regmap_irqs),
> > +   .num_regs               = 5,
> > +
> > +};
> > +
> > +static const struct regmap_irq_chip axp288_regmap_irq_chip = {
> > +   .name                   = "axp288_irq_chip",
> > +   .status_base            = AXP20X_IRQ1_STATE,
> > +   .ack_base               = AXP20X_IRQ1_STATE,
> > +   .mask_base              = AXP20X_IRQ1_EN,
> >     .mask_invert            = true,
> >     .init_ack_masked        = true,
> > +   .irqs                   = axp288_regmap_irqs,
> > +   .num_irqs               = ARRAY_SIZE(axp288_regmap_irqs),
> > +   .num_regs               = 6,
> > +
> >  };
> >
> >  static const char * const axp20x_supplies[] = {
> > @@ -161,36 +292,155 @@ static struct mfd_cell axp20x_cells[] = {
> >     },
> >  };
> >
> > +static struct resource axp288_adc_resources[] = {
> > +   {
> > +           .name   = "GPADC",
> > +           .start = AXP288_IRQ_GPADC,
> > +           .end   = AXP288_IRQ_GPADC,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +};
> > +
> > +static struct resource axp288_charger_resources[] = {
> > +   {
> > +           .start = AXP288_IRQ_OV,
> > +           .end   = AXP288_IRQ_OV,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_DONE,
> > +           .end   = AXP288_IRQ_DONE,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_CHARGING,
> > +           .end   = AXP288_IRQ_CHARGING,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_SAFE_QUIT,
> > +           .end   = AXP288_IRQ_SAFE_QUIT,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_SAFE_ENTER,
> > +           .end   = AXP288_IRQ_SAFE_ENTER,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_QCBTU,
> > +           .end   = AXP288_IRQ_QCBTU,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_CBTU,
> > +           .end   = AXP288_IRQ_CBTU,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_QCBTO,
> > +           .end   = AXP288_IRQ_QCBTO,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +   {
> > +           .start = AXP288_IRQ_CBTO,
> > +           .end   = AXP288_IRQ_CBTO,
> > +           .flags = IORESOURCE_IRQ,
> > +   },
> > +};
> > +
> > +static struct mfd_cell axp288_cells[] = {
> > +   {
> > +           .name = "axp288_adc",
> > +           .num_resources = ARRAY_SIZE(axp288_adc_resources),
> > +           .resources = axp288_adc_resources,
> > +   },
> > +   {
> > +           .name = "axp288_charger",
> > +           .num_resources = ARRAY_SIZE(axp288_charger_resources),
> > +           .resources = axp288_charger_resources,
> > +   },
> > +   {
> > +           .name = "axp288_battery",
> > +           .num_resources = ARRAY_SIZE(axp288_battery_resources),
> > +           .resources = axp288_battery_resources,
> > +   },
> > +};
> > +
> >  static struct axp20x_dev *axp20x_pm_power_off;
> >  static void axp20x_power_off(void)
> >  {
> > +   if (axp20x_pm_power_off->variant == AXP288_ID)
> > +           return;
> > +
> >     regmap_write(axp20x_pm_power_off->regmap, AXP20X_OFF_CTRL,
> >                  AXP20X_OFF);
> >  }
> >
> > +static int axp20x_match_device(struct axp20x_dev *axp20x, struct device 
> > *dev)
> > +{
> > +   const struct acpi_device_id *acpi_id;
> > +   const struct of_device_id *of_id;
> > +
> > +   if (dev->of_node) {
> > +           of_id = of_match_device(axp20x_of_match, dev);
> > +           if (!of_id) {
> > +                   dev_err(dev, "Unable to match OF ID\n");
> > +                   return -ENODEV;
> > +           }
> > +           axp20x->variant = (long) of_id->data;
> > +   } else {
> > +           acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev);
> > +           if (!acpi_id || !acpi_id->driver_data) {
> > +                   dev_err(dev, "Unable to match ACPI ID and data\n");
> > +                   return -ENODEV;
> > +           }
> > +           axp20x->variant = (long) acpi_id->driver_data;
> > +   }
> > +
> > +   switch (axp20x->variant) {
> > +   case AXP202_ID:
> > +   case AXP209_ID:
> > +           axp20x->nr_cells = ARRAY_SIZE(axp20x_cells);
> > +           axp20x->cells = axp20x_cells;
> > +           axp20x->regmap_cfg = &axp20x_regmap_config;
> > +           axp20x->regmap_irq_chip = &axp20x_regmap_irq_chip;
> > +           break;
> > +   case AXP288_ID:
> > +           axp20x->cells = axp288_cells;
> > +           axp20x->nr_cells = ARRAY_SIZE(axp288_cells);
> > +           axp20x->regmap_cfg = &axp288_regmap_config;
> > +           axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;
> > +           break;
> > +   default:
> > +           dev_err(dev, "unsupported AXP20X ID %lu\n", axp20x->variant);
> > +           return -EINVAL;
> > +   }
> > +   dev_info(dev, "AXP20x variant %s found\n",
> > +           axp20x_model_names[axp20x->variant]);
> > +
> > +   return 0;
> > +}
> > +
> >  static int axp20x_i2c_probe(struct i2c_client *i2c,
> >                      const struct i2c_device_id *id)
> >  {
> >     struct axp20x_dev *axp20x;
> > -   const struct of_device_id *of_id;
> >     int ret;
> >
> >     axp20x = devm_kzalloc(&i2c->dev, sizeof(*axp20x), GFP_KERNEL);
> >     if (!axp20x)
> >             return -ENOMEM;
> >
> > -   of_id = of_match_device(axp20x_of_match, &i2c->dev);
> > -   if (!of_id) {
> > -           dev_err(&i2c->dev, "Unable to setup AXP20X data\n");
> > -           return -ENODEV;
> > -   }
> > -   axp20x->variant = (long) of_id->data;
> > +   ret = axp20x_match_device(axp20x, &i2c->dev);
> > +   if (ret)
> > +           return ret;
> >
> >     axp20x->i2c_client = i2c;
> >     axp20x->dev = &i2c->dev;
> >     dev_set_drvdata(axp20x->dev, axp20x);
> >
> > -   axp20x->regmap = devm_regmap_init_i2c(i2c, &axp20x_regmap_config);
> > +   axp20x->regmap = devm_regmap_init_i2c(i2c, axp20x->regmap_cfg);
> >     if (IS_ERR(axp20x->regmap)) {
> >             ret = PTR_ERR(axp20x->regmap);
> >             dev_err(&i2c->dev, "regmap init failed: %d\n", ret);
> > @@ -199,15 +449,15 @@ static int axp20x_i2c_probe(struct i2c_client *i2c,
> >
> >     ret = regmap_add_irq_chip(axp20x->regmap, i2c->irq,
> >                               IRQF_ONESHOT | IRQF_SHARED, -1,
> > -                             &axp20x_regmap_irq_chip,
> > +                             axp20x->regmap_irq_chip,
> >                               &axp20x->regmap_irqc);
> >     if (ret) {
> >             dev_err(&i2c->dev, "failed to add irq chip: %d\n", ret);
> >             return ret;
> >     }
> >
> > -   ret = mfd_add_devices(axp20x->dev, -1, axp20x_cells,
> > -                         ARRAY_SIZE(axp20x_cells), NULL, 0, NULL);
> > +   ret = mfd_add_devices(axp20x->dev, -1, axp20x->cells,
> > +                   axp20x->nr_cells, NULL, 0, NULL);
> >
> >     if (ret) {
> >             dev_err(&i2c->dev, "failed to add MFD devices: %d\n", ret);
> > @@ -245,6 +495,7 @@ static struct i2c_driver axp20x_i2c_driver = {
> >             .name   = "axp20x",
> >             .owner  = THIS_MODULE,
> >             .of_match_table = of_match_ptr(axp20x_of_match),
> > +           .acpi_match_table = ACPI_PTR(axp20x_acpi_match),
> >     },
> >     .probe          = axp20x_i2c_probe,
> >     .remove         = axp20x_i2c_remove,
> > diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
> > index d0e31a2..81589d1 100644
> > --- a/include/linux/mfd/axp20x.h
> > +++ b/include/linux/mfd/axp20x.h
> > @@ -14,6 +14,8 @@
> >  enum {
> >     AXP202_ID = 0,
> >     AXP209_ID,
> > +   AXP288_ID,
> > +   NR_AXP20X_VARIANTS,
> >  };
> >
> >  #define AXP20X_DATACACHE(m)                (0x04 + (m))
> > @@ -49,11 +51,13 @@ enum {
> >  #define AXP20X_IRQ3_EN                     0x42
> >  #define AXP20X_IRQ4_EN                     0x43
> >  #define AXP20X_IRQ5_EN                     0x44
> > +#define AXP20X_IRQ6_EN                     0x45
> >  #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
> > +#define AXP20X_IRQ6_STATE          0x4d
> >
> >  /* ADC */
> >  #define AXP20X_ACIN_V_ADC_H                0x56
> > @@ -116,6 +120,15 @@ enum {
> >  #define AXP20X_CC_CTRL                     0xb8
> >  #define AXP20X_FG_RES                      0xb9
> >
> > +/* AXP288 specific registers */
> > +#define AXP288_PMIC_ADC_H               0x56
> > +#define AXP288_PMIC_ADC_L               0x57
> > +#define AXP288_ADC_TS_PIN_CTRL          0x84
> > +
> > +#define AXP288_PMIC_ADC_EN              0x84
> > +#define AXP288_FG_TUNE5                    0xed
> > +
> > +
> >  /* Regulators IDs */
> >  enum {
> >     AXP20X_LDO1 = 0,
> > @@ -169,12 +182,58 @@ enum {
> >     AXP20X_IRQ_GPIO0_INPUT,
> >  };
> >
> > +enum axp288_irqs {
> > +   AXP288_IRQ_VBUS_FALL     = 2,
> > +   AXP288_IRQ_VBUS_RISE,
> > +   AXP288_IRQ_OV,
> > +   AXP288_IRQ_FALLING_ALT,
> > +   AXP288_IRQ_RISING_ALT,
> > +   AXP288_IRQ_OV_ALT,
> > +   AXP288_IRQ_DONE          = 10,
> > +   AXP288_IRQ_CHARGING,
> > +   AXP288_IRQ_SAFE_QUIT,
> > +   AXP288_IRQ_SAFE_ENTER,
> > +   AXP288_IRQ_ABSENT,
> > +   AXP288_IRQ_APPEND,
> > +   AXP288_IRQ_QWBTU,
> > +   AXP288_IRQ_WBTU,
> > +   AXP288_IRQ_QWBTO,
> > +   AXP288_IRQ_WBTO,
> > +   AXP288_IRQ_QCBTU,
> > +   AXP288_IRQ_CBTU,
> > +   AXP288_IRQ_QCBTO,
> > +   AXP288_IRQ_CBTO,
> > +   AXP288_IRQ_WL2,
> > +   AXP288_IRQ_WL1,
> > +   AXP288_IRQ_GPADC,
> > +   AXP288_IRQ_OT            = 31,
> > +   AXP288_IRQ_GPIO0,
> > +   AXP288_IRQ_GPIO1,
> > +   AXP288_IRQ_POKO,
> > +   AXP288_IRQ_POKL,
> > +   AXP288_IRQ_POKS,
> > +   AXP288_IRQ_POKN,
> > +   AXP288_IRQ_POKP,
> > +   AXP288_IRQ_TIMER,
> > +   AXP288_IRQ_MV_CHNG,
> > +   AXP288_IRQ_BC_USB_CHNG,
> > +};
> > +
> > +#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;
> >     struct i2c_client               *i2c_client;
> >     struct regmap                   *regmap;
> >     struct regmap_irq_chip_data     *regmap_irqc;
> >     long                            variant;
> > +   int                             nr_cells;
> > +   struct mfd_cell                 *cells;
> > +   const struct regmap_config      *regmap_cfg;
> > +   const struct regmap_irq_chip    *regmap_irq_chip;
> >  };
> >
> >  #endif /* __LINUX_MFD_AXP20X_H */
> >

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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