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-rw-r--r--Documentation/hwmon/lm90.rst20
-rw-r--r--drivers/hwmon/Kconfig3
-rw-r--r--drivers/hwmon/lm90.c35
3 files changed, 56 insertions, 2 deletions
diff --git a/Documentation/hwmon/lm90.rst b/Documentation/hwmon/lm90.rst
index ca8368ac1cf2..91947825e734 100644
--- a/Documentation/hwmon/lm90.rst
+++ b/Documentation/hwmon/lm90.rst
@@ -147,6 +147,26 @@ Supported chips:
https://www.onsemi.com/PowerSolutions/product.do?id=NCT210
+ * ON Semiconductor NCT214
+
+ Prefix: 'nct214'
+
+ Addresses scanned: I2C 0x18 - 0x1a, 0x29 - 0x2b, 0x4c - 0x4e
+
+ Datasheet: Publicly available at the ON Semiconductor website
+
+ https://www.onsemi.com/PowerSolutions/product.do?id=NCT214
+
+ * ON Semiconductor NCT72
+
+ Prefix: 'nct72'
+
+ Addresses scanned: I2C 0x4c - 0x4d
+
+ Datasheet: Publicly available at the ON Semiconductor website
+
+ https://www.onsemi.com/PowerSolutions/product.do?id=NCT72
+
* Maxim MAX1617
Prefix: 'max1617'
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index d30ea2fea3e2..9353d207f254 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1365,7 +1365,8 @@ config SENSORS_LM90
Maxim MAX1617, MAX6642, MAX6646, MAX6647, MAX6648, MAX6649, MAX6654,
MAX6657, MAX6658, MAX6659, MAX6680, MAX6681, MAX6692, MAX6695,
MAX6696,
- ON Semiconductor NCT1008, NCT210, Winbond/Nuvoton W83L771W/G/AWG/ASG,
+ ON Semiconductor NCT1008, NCT210, NCT72, NCT214,
+ Winbond/Nuvoton W83L771W/G/AWG/ASG,
Philips SA56004, GMT G781, Texas Instruments TMP451 and TMP461
sensor chips.
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 9939a77ac00a..63bd7c3dcc6b 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -69,6 +69,9 @@
* / ON Semiconductor. The chips are similar to ADT7461 but support two external
* temperature sensors.
*
+ * This driver also supports NCT72 and NCT214 from ON Semiconductor. The chips
+ * are similar to ADT7461/ADT7461A but have full PEC support (undocumented).
+ *
* This driver also supports the SA56004 from Philips. This device is
* pin-compatible with the LM86, the ED/EDP parts are also address-compatible.
*
@@ -125,7 +128,7 @@ 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,
- nct210, sa56004, tmp451, tmp461, w83l771,
+ nct210, nct72, sa56004, tmp451, tmp461, w83l771,
};
/*
@@ -258,6 +261,8 @@ static const struct i2c_device_id lm90_id[] = {
{ "mc1066", max1617 },
{ "nct1008", adt7461a },
{ "nct210", nct210 },
+ { "nct214", nct72 },
+ { "nct72", nct72 },
{ "w83l771", w83l771 },
{ "sa56004", sa56004 },
{ "thmc10", max1617 },
@@ -349,6 +354,14 @@ static const struct of_device_id __maybe_unused lm90_of_match[] = {
.data = (void *)adt7461a
},
{
+ .compatible = "onnn,nct214",
+ .data = (void *)nct72
+ },
+ {
+ .compatible = "onnn,nct72",
+ .data = (void *)nct72
+ },
+ {
.compatible = "winbond,w83l771",
.data = (void *)w83l771
},
@@ -534,6 +547,15 @@ static const struct lm90_params lm90_params[] = {
.reg_status2 = MAX6696_REG_STATUS2,
.reg_local_ext = MAX6657_REG_LOCAL_TEMPL,
},
+ [nct72] = {
+ .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT
+ | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP
+ | LM90_HAVE_CRIT | LM90_HAVE_PEC | LM90_HAVE_UNSIGNED_TEMP
+ | LM90_HAVE_LOW | LM90_HAVE_CONVRATE | LM90_HAVE_REMOTE_EXT,
+ .alert_alarms = 0x7c,
+ .max_convrate = 10,
+ .resolution = 10,
+ },
[nct210] = {
.flags = LM90_HAVE_ALARMS | LM90_HAVE_BROKEN_ALERT
| LM90_HAVE_REM_LIMIT_EXT | LM90_HAVE_LOW | LM90_HAVE_CONVRATE
@@ -1818,12 +1840,23 @@ static const char *lm90_detect_analog(struct i2c_client *client, bool common_add
convrate <= 0x0a)
name = "nct1008";
break;
+ case 0x55: /* NCT72 */
+ if (man_id2 == 0x41 && chip_id2 == 0x61 &&
+ (address == 0x4c || address == 0x4d) && !(config1 & 0x1b) &&
+ convrate <= 0x0a)
+ name = "nct72";
+ break;
case 0x57: /* ADT7461A, NCT1008 (datasheet rev. 3) */
if (man_id2 == 0x41 && chip_id2 == 0x61 &&
(address == 0x4c || address == 0x4d) && !(config1 & 0x1b) &&
convrate <= 0x0a)
name = "adt7461a";
break;
+ case 0x5a: /* NCT214 */
+ if (man_id2 == 0x41 && chip_id2 == 0x61 &&
+ common_address && !(config1 & 0x1b) && convrate <= 0x0a)
+ name = "nct214";
+ break;
case 0x62: /* ADT7481, undocumented */
if (man_id2 == 0x41 && chip_id2 == 0x81 &&
(address == 0x4b || address == 0x4c) && !(config1 & 0x10) &&