diff options
Diffstat (limited to 'drivers/mfd/axp20x.c')
| -rw-r--r-- | drivers/mfd/axp20x.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c index e4e32978c..fd80b0981 100644 --- a/drivers/mfd/axp20x.c +++ b/drivers/mfd/axp20x.c @@ -17,6 +17,7 @@ */ #include <linux/err.h> +#include <linux/delay.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/module.h> @@ -93,7 +94,10 @@ static const struct regmap_range axp22x_writeable_ranges[] = { }; static const struct regmap_range axp22x_volatile_ranges[] = { + regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_PWR_OP_MODE), regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE), + regmap_reg_range(AXP22X_GPIO_STATE, AXP22X_GPIO_STATE), + regmap_reg_range(AXP20X_FG_RES, AXP20X_FG_RES), }; static const struct regmap_access_table axp22x_writeable_table = { @@ -157,6 +161,11 @@ static struct resource axp20x_usb_power_supply_resources[] = { DEFINE_RES_IRQ_NAMED(AXP20X_IRQ_VBUS_NOT_VALID, "VBUS_NOT_VALID"), }; +static struct resource axp22x_usb_power_supply_resources[] = { + DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"), + DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"), +}; + static struct resource axp22x_pek_resources[] = { { .name = "PEK_DBR", @@ -524,6 +533,11 @@ static struct mfd_cell axp22x_cells[] = { .resources = axp22x_pek_resources, }, { .name = "axp20x-regulator", + }, { + .name = "axp20x-usb-power-supply", + .of_compatible = "x-powers,axp221-usb-power-supply", + .num_resources = ARRAY_SIZE(axp22x_usb_power_supply_resources), + .resources = axp22x_usb_power_supply_resources, }, }; @@ -664,6 +678,9 @@ static void axp20x_power_off(void) regmap_write(axp20x_pm_power_off->regmap, AXP20X_OFF_CTRL, AXP20X_OFF); + + /* Give capacitors etc. time to drain to avoid kernel panic msg. */ + msleep(500); } int axp20x_match_device(struct axp20x_dev *axp20x) |