diff options
author | Jean Delvare <khali@linux-fr.org> | 2012-01-16 16:51:48 -0500 |
---|---|---|
committer | Jean Delvare <khali@endymion.delvare> | 2012-01-16 16:51:48 -0500 |
commit | 16b5dda22e3798e61bb008d2329d4f4d90ef764e (patch) | |
tree | f9b00eb0982045d496835b2ab0e829995c3d94d9 /Documentation/hwmon/it87 | |
parent | d6db23c7ce8d02896197394c1d741bdffe58ac54 (diff) |
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/it87')
-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: | |||
26 | Prefix: 'it8721' | 26 | Prefix: 'it8721' |
27 | Addresses scanned: from Super I/O config space (8 I/O ports) | 27 | Addresses scanned: from Super I/O config space (8 I/O ports) |
28 | Datasheet: Not publicly available | 28 | Datasheet: Not publicly available |
29 | * IT8728F | ||
30 | Prefix: 'it8728' | ||
31 | Addresses scanned: from Super I/O config space (8 I/O ports) | ||
32 | Datasheet: Not publicly available | ||
29 | * SiS950 [clone of IT8705F] | 33 | * SiS950 [clone of IT8705F] |
30 | Prefix: 'it87' | 34 | Prefix: 'it87' |
31 | Addresses scanned: from Super I/O config space (8 I/O ports) | 35 | Addresses scanned: from Super I/O config space (8 I/O ports) |
@@ -71,7 +75,7 @@ Description | |||
71 | ----------- | 75 | ----------- |
72 | 76 | ||
73 | This driver implements support for the IT8705F, IT8712F, IT8716F, | 77 | This driver implements support for the IT8705F, IT8712F, IT8716F, |
74 | IT8718F, IT8720F, IT8721F, IT8726F, IT8758E and SiS950 chips. | 78 | IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E and SiS950 chips. |
75 | 79 | ||
76 | These chips are 'Super I/O chips', supporting floppy disks, infrared ports, | 80 | These chips are 'Super I/O chips', supporting floppy disks, infrared ports, |
77 | joysticks and other miscellaneous stuff. For hardware monitoring, they | 81 | joysticks and other miscellaneous stuff. For hardware monitoring, they |
@@ -105,6 +109,9 @@ The IT8726F is just bit enhanced IT8716F with additional hardware | |||
105 | for AMD power sequencing. Therefore the chip will appear as IT8716F | 109 | for AMD power sequencing. Therefore the chip will appear as IT8716F |
106 | to userspace applications. | 110 | to userspace applications. |
107 | 111 | ||
112 | The IT8728F is considered compatible with the IT8721F, until a datasheet | ||
113 | becomes available (hopefully.) | ||
114 | |||
108 | Temperatures are measured in degrees Celsius. An alarm is triggered once | 115 | Temperatures are measured in degrees Celsius. An alarm is triggered once |
109 | when the Overtemperature Shutdown limit is crossed. | 116 | when the Overtemperature Shutdown limit is crossed. |
110 | 117 | ||
@@ -121,8 +128,8 @@ alarm is triggered if the voltage has crossed a programmable minimum or | |||
121 | maximum limit. Note that minimum in this case always means 'closest to | 128 | maximum limit. Note that minimum in this case always means 'closest to |
122 | zero'; this is important for negative voltage measurements. All voltage | 129 | zero'; this is important for negative voltage measurements. All voltage |
123 | inputs can measure voltages between 0 and 4.08 volts, with a resolution of | 130 | inputs can measure voltages between 0 and 4.08 volts, with a resolution of |
124 | 0.016 volt (except IT8721F/IT8758E: 0.012 volt.) The battery voltage in8 does | 131 | 0.016 volt (except IT8721F/IT8758E and IT8728F: 0.012 volt.) The battery |
125 | not have limit registers. | 132 | voltage in8 does not have limit registers. |
126 | 133 | ||
127 | On the IT8721F/IT8758E, some voltage inputs are internal and scaled inside | 134 | On the IT8721F/IT8758E, some voltage inputs are internal and scaled inside |
128 | the chip (in7, in8 and optionally in3). The driver handles this transparently | 135 | the chip (in7, in8 and optionally in3). The driver handles this transparently |