diff options
Diffstat (limited to 'drivers/mfd/stpmic1.c')
| -rw-r--r-- | drivers/mfd/stpmic1.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/mfd/stpmic1.c b/drivers/mfd/stpmic1.c index 8db1530d9bac..081827bc0596 100644 --- a/drivers/mfd/stpmic1.c +++ b/drivers/mfd/stpmic1.c @@ -7,6 +7,7 @@ #include <linux/mfd/core.h> #include <linux/mfd/stpmic1.h> #include <linux/module.h> +#include <linux/reboot.h> #include <linux/of.h> #include <linux/of_irq.h> #include <linux/of_platform.h> @@ -19,7 +20,7 @@ static const struct regmap_range stpmic1_readable_ranges[] = { regmap_reg_range(TURN_ON_SR, VERSION_SR), - regmap_reg_range(SWOFF_PWRCTRL_CR, LDO6_STDBY_CR), + regmap_reg_range(MAIN_CR, LDO6_STDBY_CR), regmap_reg_range(BST_SW_CR, BST_SW_CR), regmap_reg_range(INT_PENDING_R1, INT_PENDING_R4), regmap_reg_range(INT_CLEAR_R1, INT_CLEAR_R4), @@ -30,7 +31,7 @@ static const struct regmap_range stpmic1_readable_ranges[] = { }; static const struct regmap_range stpmic1_writeable_ranges[] = { - regmap_reg_range(SWOFF_PWRCTRL_CR, LDO6_STDBY_CR), + regmap_reg_range(MAIN_CR, LDO6_STDBY_CR), regmap_reg_range(BST_SW_CR, BST_SW_CR), regmap_reg_range(INT_CLEAR_R1, INT_CLEAR_R4), regmap_reg_range(INT_SET_MASK_R1, INT_SET_MASK_R4), @@ -62,7 +63,7 @@ static const struct regmap_access_table stpmic1_volatile_table = { static const struct regmap_config stpmic1_regmap_config = { .reg_bits = 8, .val_bits = 8, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .max_register = PMIC_MAX_REGISTER_ADDRESS, .rd_table = &stpmic1_readable_table, .wr_table = &stpmic1_writeable_table, @@ -117,6 +118,16 @@ static const struct regmap_irq_chip stpmic1_regmap_irq_chip = { .num_irqs = ARRAY_SIZE(stpmic1_irqs), }; +static int stpmic1_power_off(struct sys_off_data *data) +{ + struct stpmic1 *ddata = data->cb_data; + + regmap_update_bits(ddata->regmap, MAIN_CR, + SOFTWARE_SWITCH_OFF, SOFTWARE_SWITCH_OFF); + + return NOTIFY_DONE; +} + static int stpmic1_probe(struct i2c_client *i2c) { struct stpmic1 *ddata; @@ -159,6 +170,12 @@ static int stpmic1_probe(struct i2c_client *i2c) return ret; } + ret = devm_register_power_off_handler(ddata->dev, stpmic1_power_off, ddata); + if (ret) { + dev_err(ddata->dev, "failed to register sys-off handler: %d\n", ret); + return ret; + } + return devm_of_platform_populate(dev); } @@ -198,10 +215,10 @@ MODULE_DEVICE_TABLE(of, stpmic1_of_match); static struct i2c_driver stpmic1_driver = { .driver = { .name = "stpmic1", - .of_match_table = of_match_ptr(stpmic1_of_match), + .of_match_table = stpmic1_of_match, .pm = pm_sleep_ptr(&stpmic1_pm), }, - .probe_new = stpmic1_probe, + .probe = stpmic1_probe, }; module_i2c_driver(stpmic1_driver); |