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| author |   Guenter Roeck <linux@roeck-us.net> | 2022-01-06 12:12:31 -0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2022-07-13 08:38:18 -0700 |
| commit | af4540b112c48ac523f964f5014b48291490ac18 (patch) | |
| tree | 4b743a9653194b1112bda1115dfb6fa58285347b /drivers/hwmon/lm90.c | |
| parent | hwmon: (lm90) Combine lm86 and lm90 configuration (diff) | |
| download | linux-dev-af4540b112c48ac523f964f5014b48291490ac18.tar.xz linux-dev-af4540b112c48ac523f964f5014b48291490ac18.zip | |
hwmon: (lm90) Add explicit support for NCT210
Unlike ADM1023 and compatible chips, NCT210 does not support a temperature
offset register. A real chip was found to have a chip revision of 0x3f.
Use it to detect NCT210 explicitly.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/lm90.c')
| -rw-r--r-- | drivers/hwmon/lm90.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index 2384fa7dd5b2..9939a77ac00a 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -125,7 +125,7 @@ static const unsigned short normal_i2c[] = { enum chips { adm1023, adm1032, adt7461, adt7461a, adt7481, g781, lm84, lm90, lm99, max1617, max6642, max6646, max6648, max6654, max6657, max6659, max6680, max6696, - sa56004, tmp451, tmp461, w83l771, + nct210, sa56004, tmp451, tmp461, w83l771, }; /* @@ -257,6 +257,7 @@ static const struct i2c_device_id lm90_id[] = { { "max6696", max6696 }, { "mc1066", max1617 }, { "nct1008", adt7461a }, + { "nct210", nct210 }, { "w83l771", w83l771 }, { "sa56004", sa56004 }, { "thmc10", max1617 }, @@ -533,6 +534,14 @@ static const struct lm90_params lm90_params[] = { .reg_status2 = MAX6696_REG_STATUS2, .reg_local_ext = MAX6657_REG_LOCAL_TEMPL, }, + [nct210] = { + .flags = LM90_HAVE_ALARMS | LM90_HAVE_BROKEN_ALERT + | LM90_HAVE_REM_LIMIT_EXT | LM90_HAVE_LOW | LM90_HAVE_CONVRATE + | LM90_HAVE_REMOTE_EXT, + .alert_alarms = 0x7c, + .resolution = 11, + .max_convrate = 7, + }, [w83l771] = { .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT | LM90_HAVE_CRIT | LM90_HAVE_ALARMS | LM90_HAVE_LOW | LM90_HAVE_CONVRATE @@ -1768,7 +1777,7 @@ static const char *lm90_detect_analog(struct i2c_client *client, bool common_add !(status & 0x03) && !(config1 & 0x3f) && !(convrate & 0xf8)) name = "adm1021"; break; - case 0x30 ... 0x3f: /* ADM1021A, ADM1023 */ + case 0x30 ... 0x3e: /* ADM1021A, ADM1023 */ /* * ADM1021A and compatible chips will be mis-detected as * ADM1023. Chips labeled 'ADM1021A' and 'ADM1023' were both @@ -1786,6 +1795,11 @@ static const char *lm90_detect_analog(struct i2c_client *client, bool common_add !(status & 0x03) && !(config1 & 0x3f) && !(convrate & 0xf8)) name = "adm1023"; break; + case 0x3f: /* NCT210 */ + if (man_id2 == 0x00 && chip_id2 == 0x00 && common_address && + !(status & 0x03) && !(config1 & 0x3f) && !(convrate & 0xf8)) + name = "nct210"; + break; case 0x40 ... 0x4f: /* ADM1032 */ if (man_id2 == 0x00 && chip_id2 == 0x00 && (address == 0x4c || address == 0x4d) && !(config1 & 0x3f) && |