diff options
Diffstat (limited to 'drivers/acpi/pmic/intel_pmic_xpower.c')
| -rw-r--r-- | drivers/acpi/pmic/intel_pmic_xpower.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/acpi/pmic/intel_pmic_xpower.c b/drivers/acpi/pmic/intel_pmic_xpower.c index 1a76c784cd4c..3b7d5be5b7ed 100644 --- a/drivers/acpi/pmic/intel_pmic_xpower.c +++ b/drivers/acpi/pmic/intel_pmic_xpower.c @@ -21,6 +21,11 @@ #include "intel_pmic.h" #define XPOWER_GPADC_LOW 0x5b +#define XPOWER_GPI1_CTRL 0x92 + +#define GPI1_LDO_MASK GENMASK(2, 0) +#define GPI1_LDO_ON (3 << 0) +#define GPI1_LDO_OFF (4 << 0) static struct pmic_table power_table[] = { { @@ -118,6 +123,10 @@ static struct pmic_table power_table[] = { .reg = 0x10, .bit = 0x00 }, /* BUC6 */ + { + .address = 0x4c, + .reg = 0x92, + }, /* GPI1 */ }; /* TMP0 - TMP5 are the same, all from GPADC */ @@ -156,7 +165,12 @@ static int intel_xpower_pmic_get_power(struct regmap *regmap, int reg, if (regmap_read(regmap, reg, &data)) return -EIO; - *value = (data & BIT(bit)) ? 1 : 0; + /* GPIO1 LDO regulator needs special handling */ + if (reg == XPOWER_GPI1_CTRL) + *value = ((data & GPI1_LDO_MASK) == GPI1_LDO_ON); + else + *value = (data & BIT(bit)) ? 1 : 0; + return 0; } @@ -165,6 +179,11 @@ static int intel_xpower_pmic_update_power(struct regmap *regmap, int reg, { int data; + /* GPIO1 LDO regulator needs special handling */ + if (reg == XPOWER_GPI1_CTRL) + return regmap_update_bits(regmap, reg, GPI1_LDO_MASK, + on ? GPI1_LDO_ON : GPI1_LDO_OFF); + if (regmap_read(regmap, reg, &data)) return -EIO; |