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| author | Lars Petter Mostad <larspm@gmail.com> | 2024-05-10 16:28:24 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2024-05-12 09:02:00 -0700 |
| commit | c82337843dd7c0723e7ce2b86e5ed89d71f1c7c3 (patch) | |
| tree | adcd7705e1dabea8e88ebaa3302c38267db6e7df /Documentation/hwmon | |
| parent | 2fa365974c3eb97f29ff2dbeff3e9011170e492c (diff) | |
| download | linux-c82337843dd7c0723e7ce2b86e5ed89d71f1c7c3.tar.gz linux-c82337843dd7c0723e7ce2b86e5ed89d71f1c7c3.tar.bz2 linux-c82337843dd7c0723e7ce2b86e5ed89d71f1c7c3.zip | |
hwmon: (emc1403) Add support for EMC1428 and EMC1438.
EMC1428 and EMC1438 are similar to EMC14xx, but have eight temperature
channels, as well as signed data and limit registers. Chips currently
supported by this driver have unsigned registers only.
Signed-off-by: Lars Petter Mostad <larspm@gmail.com>
Link: https://lore.kernel.org/r/20240510142824.824332-1-lars.petter.mostad@appear.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon')
| -rw-r--r-- | Documentation/hwmon/emc1403.rst | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/Documentation/hwmon/emc1403.rst b/Documentation/hwmon/emc1403.rst index 0de9616b24ed..57f833b1a800 100644 --- a/Documentation/hwmon/emc1403.rst +++ b/Documentation/hwmon/emc1403.rst @@ -45,6 +45,17 @@ Supported chips: - https://ww1.microchip.com/downloads/en/DeviceDoc/1423_1424.pdf + * SMSC / Microchip EMC1428, EMC1438 + + Addresses scanned: I2C 0x18, 0x4c, 0x4d + + Prefix: 'emc1428', 'emc1438' + + Datasheets: + + - https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/20005275A.pdf + - https://ww1.microchip.com/downloads/en/DeviceDoc/EMC1438%20DS%20Rev.%201.0%20(04-29-10).pdf + Author: Kalhan Trisal <kalhan.trisal@intel.com @@ -53,10 +64,10 @@ Description ----------- The Standard Microsystems Corporation (SMSC) / Microchip EMC14xx chips -contain up to four temperature sensors. EMC14x2 support two sensors +contain up to eight temperature sensors. EMC14x2 support two sensors (one internal, one external). EMC14x3 support three sensors (one internal, -two external), and EMC14x4 support four sensors (one internal, three -external). +two external), EMC14x4 support four sensors (one internal, three external), +and EMC14x8 support eight sensors (one internal, seven external). The chips implement three limits for each sensor: low (tempX_min), high (tempX_max) and critical (tempX_crit.) The chips also implement an |