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path: root/drivers/hwmon/pmbus/ltc2978.c
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Diffstat (limited to 'drivers/hwmon/pmbus/ltc2978.c')
-rw-r--r--drivers/hwmon/pmbus/ltc2978.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index 48dcde0bc740..60fe8f9839d3 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -25,7 +25,7 @@
#include "pmbus.h"
enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,
- ltc3883, ltc3887, ltm2987, ltm4676 };
+ ltc3883, ltc3886, ltc3887, ltm2987, ltm4676 };
/* Common for all chips */
#define LTC2978_MFR_VOUT_PEAK 0xdd
@@ -47,7 +47,7 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,
#define LTC3880_MFR_CLEAR_PEAKS 0xe3
#define LTC3880_MFR_TEMPERATURE2_PEAK 0xf4
-/* LTC3883 only */
+/* LTC3883 and LTC3886 only */
#define LTC3883_MFR_IIN_PEAK 0xe1
/* LTC2975 only */
@@ -69,6 +69,7 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,
#define LTC3882_ID 0x4200
#define LTC3882_ID_D1 0x4240 /* Dash 1 */
#define LTC3883_ID 0x4300
+#define LTC3886_ID 0x4600
#define LTC3887_ID 0x4700
#define LTM2987_ID_A 0x8010 /* A/B for two die IDs */
#define LTM2987_ID_B 0x8020
@@ -417,6 +418,7 @@ static const struct i2c_device_id ltc2978_id[] = {
{"ltc3880", ltc3880},
{"ltc3882", ltc3882},
{"ltc3883", ltc3883},
+ {"ltc3886", ltc3886},
{"ltc3887", ltc3887},
{"ltm2987", ltm2987},
{"ltm4676", ltm4676},
@@ -485,6 +487,8 @@ static int ltc2978_get_id(struct i2c_client *client)
return ltc3882;
else if (chip_id == LTC3883_ID)
return ltc3883;
+ else if (chip_id == LTC3886_ID)
+ return ltc3886;
else if (chip_id == LTC3887_ID)
return ltc3887;
else if (chip_id == LTM2987_ID_A || chip_id == LTM2987_ID_B)
@@ -624,6 +628,21 @@ static int ltc2978_probe(struct i2c_client *client,
| PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP
| PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP;
break;
+ case ltc3886:
+ data->features |= FEAT_CLEAR_PEAKS;
+ info->read_word_data = ltc3883_read_word_data;
+ info->pages = LTC3880_NUM_PAGES;
+ info->func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
+ | PMBUS_HAVE_STATUS_INPUT
+ | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT
+ | PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP
+ | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP;
+ info->func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+ | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT
+ | PMBUS_HAVE_POUT
+ | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP;
+ break;
default:
return -ENODEV;
}
@@ -650,6 +669,7 @@ static const struct of_device_id ltc2978_of_match[] = {
{ .compatible = "lltc,ltc3880" },
{ .compatible = "lltc,ltc3882" },
{ .compatible = "lltc,ltc3883" },
+ { .compatible = "lltc,ltc3886" },
{ .compatible = "lltc,ltc3887" },
{ .compatible = "lltc,ltm2987" },
{ .compatible = "lltc,ltm4676" },