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path: root/drivers/hwmon/pmbus/pmbus_core.c
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Diffstat (limited to 'drivers/hwmon/pmbus/pmbus_core.c')
-rw-r--r--drivers/hwmon/pmbus/pmbus_core.c31
1 files changed, 26 insertions, 5 deletions
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index f2e47c7dd808..ba59eaef2e07 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -515,16 +515,24 @@ static long pmbus_reg2data_direct(struct pmbus_data *data,
/*
* Convert VID sensor values to milli- or micro-units
* depending on sensor type.
- * We currently only support VR11.
*/
static long pmbus_reg2data_vid(struct pmbus_data *data,
struct pmbus_sensor *sensor)
{
long val = sensor->data;
+ long rv = 0;
- if (val < 0x02 || val > 0xb2)
- return 0;
- return DIV_ROUND_CLOSEST(160000 - (val - 2) * 625, 100);
+ switch (data->info->vrm_version) {
+ case vr11:
+ if (val >= 0x02 && val <= 0xb2)
+ rv = DIV_ROUND_CLOSEST(160000 - (val - 2) * 625, 100);
+ break;
+ case vr12:
+ if (val >= 0x01)
+ rv = 250 + (val - 1) * 5;
+ break;
+ }
+ return rv;
}
static long pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor)
@@ -1329,6 +1337,10 @@ static const struct pmbus_limit_attr pin_limit_attrs[] = {
.update = true,
.attr = "average",
}, {
+ .reg = PMBUS_VIRT_READ_PIN_MIN,
+ .update = true,
+ .attr = "input_lowest",
+ }, {
.reg = PMBUS_VIRT_READ_PIN_MAX,
.update = true,
.attr = "input_highest",
@@ -1359,6 +1371,10 @@ static const struct pmbus_limit_attr pout_limit_attrs[] = {
.update = true,
.attr = "average",
}, {
+ .reg = PMBUS_VIRT_READ_POUT_MIN,
+ .update = true,
+ .attr = "input_lowest",
+ }, {
.reg = PMBUS_VIRT_READ_POUT_MAX,
.update = true,
.attr = "input_highest",
@@ -1735,6 +1751,11 @@ static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data,
}
}
+ /* Enable PEC if the controller supports it */
+ ret = i2c_smbus_read_byte_data(client, PMBUS_CAPABILITY);
+ if (ret >= 0 && (ret & PB_CAPABILITY_ERROR_CHECK))
+ client->flags |= I2C_CLIENT_PEC;
+
pmbus_clear_faults(client);
if (info->identify) {
@@ -1796,7 +1817,7 @@ static int pmbus_regulator_disable(struct regulator_dev *rdev)
return _pmbus_regulator_on_off(rdev, 0);
}
-struct regulator_ops pmbus_regulator_ops = {
+const struct regulator_ops pmbus_regulator_ops = {
.enable = pmbus_regulator_enable,
.disable = pmbus_regulator_disable,
.is_enabled = pmbus_regulator_is_enabled,