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| author | Jean Delvare <khali@linux-fr.org> | 2012-01-16 22:51:48 +0100 |
|---|---|---|
| committer | Jean Delvare <khali@endymion.delvare> | 2012-01-16 22:51:48 +0100 |
| commit | 16b5dda22e3798e61bb008d2329d4f4d90ef764e (patch) | |
| tree | f9b00eb0982045d496835b2ab0e829995c3d94d9 /Documentation/hwmon | |
| parent | d6db23c7ce8d02896197394c1d741bdffe58ac54 (diff) | |
| download | lwn-16b5dda22e3798e61bb008d2329d4f4d90ef764e.tar.gz lwn-16b5dda22e3798e61bb008d2329d4f4d90ef764e.zip | |
hwmon: (it87) Add IT8728F support
Until we get a datasheet for the IT8728F, treat it as fully compatible
with the IT8721F, as it seems to work reasonably well.
This closes kernel bug #27262.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Diffstat (limited to 'Documentation/hwmon')
| -rw-r--r-- | Documentation/hwmon/it87 | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87 index 6f496a586732..23b7def21ba8 100644 --- a/Documentation/hwmon/it87 +++ b/Documentation/hwmon/it87 @@ -26,6 +26,10 @@ Supported chips: Prefix: 'it8721' Addresses scanned: from Super I/O config space (8 I/O ports) Datasheet: Not publicly available + * IT8728F + Prefix: 'it8728' + Addresses scanned: from Super I/O config space (8 I/O ports) + Datasheet: Not publicly available * SiS950 [clone of IT8705F] Prefix: 'it87' Addresses scanned: from Super I/O config space (8 I/O ports) @@ -71,7 +75,7 @@ Description ----------- This driver implements support for the IT8705F, IT8712F, IT8716F, -IT8718F, IT8720F, IT8721F, IT8726F, IT8758E and SiS950 chips. +IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E and SiS950 chips. These chips are 'Super I/O chips', supporting floppy disks, infrared ports, joysticks and other miscellaneous stuff. For hardware monitoring, they @@ -105,6 +109,9 @@ The IT8726F is just bit enhanced IT8716F with additional hardware for AMD power sequencing. Therefore the chip will appear as IT8716F to userspace applications. +The IT8728F is considered compatible with the IT8721F, until a datasheet +becomes available (hopefully.) + Temperatures are measured in degrees Celsius. An alarm is triggered once when the Overtemperature Shutdown limit is crossed. @@ -121,8 +128,8 @@ alarm is triggered if the voltage has crossed a programmable minimum or maximum limit. Note that minimum in this case always means 'closest to zero'; this is important for negative voltage measurements. All voltage inputs can measure voltages between 0 and 4.08 volts, with a resolution of -0.016 volt (except IT8721F/IT8758E: 0.012 volt.) The battery voltage in8 does -not have limit registers. +0.016 volt (except IT8721F/IT8758E and IT8728F: 0.012 volt.) The battery +voltage in8 does not have limit registers. On the IT8721F/IT8758E, some voltage inputs are internal and scaled inside the chip (in7, in8 and optionally in3). The driver handles this transparently |