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-rw-r--r--Documentation/hwmon/f71805f14
1 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/hwmon/f71805f b/Documentation/hwmon/f71805f
index bc571f99d0ee..bfd0f154959c 100644
--- a/Documentation/hwmon/f71805f
+++ b/Documentation/hwmon/f71805f
@@ -6,6 +6,10 @@ Supported chips:
Prefix: 'f71805f'
Addresses scanned: none, address read from Super I/O config space
Datasheet: Provided by Fintek on request
+ * Fintek F71872F/FG
+ Prefix: 'f71872f'
+ Addresses scanned: none, address read from Super I/O config space
+ Datasheet: Provided by Fintek on request
Author: Jean Delvare <khali@linux-fr.org>
@@ -30,6 +34,10 @@ source), 3 fans and 3 temperature sensors.
This chip also has fan controlling features, using either DC or PWM, in
three different modes (one manual, two automatic).
+The Fintek F71872F/FG Super I/O chip is almost the same, with two
+additional internal voltages monitored (VSB and battery). It also features
+6 VID inputs. The VID inputs are not yet supported by this driver.
+
The driver assumes that no more than one chip is present, which seems
reasonable.
@@ -41,7 +49,8 @@ Voltages are sampled by an 8-bit ADC with a LSB of 8 mV. The supported
range is thus from 0 to 2.040 V. Voltage values outside of this range
need external resistors. An exception is in0, which is used to monitor
the chip's own power source (+3.3V), and is divided internally by a
-factor 2.
+factor 2. For the F71872F/FG, in9 (VSB) and in10 (battery) are also
+divided internally by a factor 2.
The two LSB of the voltage limit registers are not used (always 0), so
you can only set the limits in steps of 32 mV (before scaling).
@@ -60,9 +69,12 @@ in5 VIN5 +12V 200K 20K 11.00 1.05 V
in6 VIN6 VCC1.5V 10K - 1.00 1.50 V
in7 VIN7 VCORE 10K - 1.00 ~1.40 V (1)
in8 VIN8 VSB5V 200K 47K 1.00 0.95 V
+in10 VSB VSB3.3V int. int. 2.00 1.65 V (3)
+in9 VBAT VBATTERY int. int. 2.00 1.50 V (3)
(1) Depends on your hardware setup.
(2) Obviously not correct, swapping R1 and R2 would make more sense.
+(3) F71872F/FG only.
These values can be used as hints at best, as motherboard manufacturers
are free to use a completely different setup. As a matter of fact, the