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path: root/drivers/acpi/pmic/intel_pmic_xpower.c
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Diffstat (limited to 'drivers/acpi/pmic/intel_pmic_xpower.c')
-rw-r--r--drivers/acpi/pmic/intel_pmic_xpower.c47
1 files changed, 42 insertions, 5 deletions
diff --git a/drivers/acpi/pmic/intel_pmic_xpower.c b/drivers/acpi/pmic/intel_pmic_xpower.c
index a091d5a8392c..cbe08e600fa3 100644
--- a/drivers/acpi/pmic/intel_pmic_xpower.c
+++ b/drivers/acpi/pmic/intel_pmic_xpower.c
@@ -178,15 +178,17 @@ static int intel_xpower_pmic_update_power(struct regmap *regmap, int reg,
{
int data, ret;
- /* 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);
-
ret = iosf_mbi_block_punit_i2c_access();
if (ret)
return ret;
+ /* GPIO1 LDO regulator needs special handling */
+ if (reg == XPOWER_GPI1_CTRL) {
+ ret = regmap_update_bits(regmap, reg, GPI1_LDO_MASK,
+ on ? GPI1_LDO_ON : GPI1_LDO_OFF);
+ goto out;
+ }
+
if (regmap_read(regmap, reg, &data)) {
ret = -EIO;
goto out;
@@ -234,6 +236,11 @@ static int intel_xpower_pmic_get_raw_temp(struct regmap *regmap, int reg)
return ret;
if (adc_ts_pin_ctrl & AXP288_ADC_TS_CURRENT_ON_OFF_MASK) {
+ /*
+ * AXP288_ADC_TS_PIN_CTRL reads are cached by the regmap, so
+ * this does to a single I2C-transfer, and thus there is no
+ * need to explicitly call iosf_mbi_block_punit_i2c_access().
+ */
ret = regmap_update_bits(regmap, AXP288_ADC_TS_PIN_CTRL,
AXP288_ADC_TS_CURRENT_ON_OFF_MASK,
AXP288_ADC_TS_CURRENT_ON_ONDEMAND);
@@ -244,6 +251,10 @@ static int intel_xpower_pmic_get_raw_temp(struct regmap *regmap, int reg)
usleep_range(6000, 10000);
}
+ ret = iosf_mbi_block_punit_i2c_access();
+ if (ret)
+ return ret;
+
ret = regmap_bulk_read(regmap, AXP288_GP_ADC_H, buf, 2);
if (ret == 0)
ret = (buf[0] << 4) + ((buf[1] >> 4) & 0x0f);
@@ -254,6 +265,31 @@ static int intel_xpower_pmic_get_raw_temp(struct regmap *regmap, int reg)
AXP288_ADC_TS_CURRENT_ON);
}
+ iosf_mbi_unblock_punit_i2c_access();
+
+ return ret;
+}
+
+static int intel_xpower_exec_mipi_pmic_seq_element(struct regmap *regmap,
+ u16 i2c_address, u32 reg_address,
+ u32 value, u32 mask)
+{
+ int ret;
+
+ if (i2c_address != 0x34) {
+ pr_err("%s: Unexpected i2c-addr: 0x%02x (reg-addr 0x%x value 0x%x mask 0x%x)\n",
+ __func__, i2c_address, reg_address, value, mask);
+ return -ENXIO;
+ }
+
+ ret = iosf_mbi_block_punit_i2c_access();
+ if (ret)
+ return ret;
+
+ ret = regmap_update_bits(regmap, reg_address, mask, value);
+
+ iosf_mbi_unblock_punit_i2c_access();
+
return ret;
}
@@ -261,6 +297,7 @@ static struct intel_pmic_opregion_data intel_xpower_pmic_opregion_data = {
.get_power = intel_xpower_pmic_get_power,
.update_power = intel_xpower_pmic_update_power,
.get_raw_temp = intel_xpower_pmic_get_raw_temp,
+ .exec_mipi_pmic_seq_element = intel_xpower_exec_mipi_pmic_seq_element,
.power_table = power_table,
.power_table_count = ARRAY_SIZE(power_table),
.thermal_table = thermal_table,