hwmon: (ltc2978) Add support for LTC3886

[pandora-kernel.git] / drivers / hwmon / pmbus / ltc2978.c

diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index 48dcde0..60fe8f9 100644 (file)
--- 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" },