diff options
author | Guenter Roeck <linux@roeck-us.net> | 2012-03-02 14:46:44 -0500 |
---|---|---|
committer | Guenter Roeck <guenter.roeck@ericsson.com> | 2012-05-20 22:41:48 -0400 |
commit | 0531d98b1f2ec6f92074e5b2a74927b865bc605c (patch) | |
tree | 2546a596b517da316c3cd07c0e99aafec27322ce /Documentation/hwmon | |
parent | 76e10d158efb6d4516018846f60c2ab5501900bc (diff) |
hwmon: (it87) Add support for IT8782F and IT8783E/F
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'Documentation/hwmon')
-rw-r--r-- | Documentation/hwmon/it87 | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87 index 23b7def21ba8..899128dfb130 100644 --- a/Documentation/hwmon/it87 +++ b/Documentation/hwmon/it87 | |||
@@ -30,6 +30,14 @@ Supported chips: | |||
30 | Prefix: 'it8728' | 30 | Prefix: 'it8728' |
31 | Addresses scanned: from Super I/O config space (8 I/O ports) | 31 | Addresses scanned: from Super I/O config space (8 I/O ports) |
32 | Datasheet: Not publicly available | 32 | Datasheet: Not publicly available |
33 | * IT8782F | ||
34 | Prefix: 'it8782' | ||
35 | Addresses scanned: from Super I/O config space (8 I/O ports) | ||
36 | Datasheet: Not publicly available | ||
37 | * IT8783E/F | ||
38 | Prefix: 'it8783' | ||
39 | Addresses scanned: from Super I/O config space (8 I/O ports) | ||
40 | Datasheet: Not publicly available | ||
33 | * SiS950 [clone of IT8705F] | 41 | * SiS950 [clone of IT8705F] |
34 | Prefix: 'it87' | 42 | Prefix: 'it87' |
35 | Addresses scanned: from Super I/O config space (8 I/O ports) | 43 | Addresses scanned: from Super I/O config space (8 I/O ports) |
@@ -75,7 +83,8 @@ Description | |||
75 | ----------- | 83 | ----------- |
76 | 84 | ||
77 | This driver implements support for the IT8705F, IT8712F, IT8716F, | 85 | This driver implements support for the IT8705F, IT8712F, IT8716F, |
78 | IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E and SiS950 chips. | 86 | IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8781F, IT8782F, |
87 | IT8783E/F, and SiS950 chips. | ||
79 | 88 | ||
80 | These chips are 'Super I/O chips', supporting floppy disks, infrared ports, | 89 | These chips are 'Super I/O chips', supporting floppy disks, infrared ports, |
81 | joysticks and other miscellaneous stuff. For hardware monitoring, they | 90 | joysticks and other miscellaneous stuff. For hardware monitoring, they |
@@ -99,11 +108,11 @@ The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E and later IT8712F revisions | |||
99 | have support for 2 additional fans. The additional fans are supported by the | 108 | have support for 2 additional fans. The additional fans are supported by the |
100 | driver. | 109 | driver. |
101 | 110 | ||
102 | The IT8716F, IT8718F, IT8720F and IT8721F/IT8758E, and late IT8712F and | 111 | The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E, IT8782F, IT8783E/F, and late |
103 | IT8705F also have optional 16-bit tachometer counters for fans 1 to 3. This | 112 | IT8712F and IT8705F also have optional 16-bit tachometer counters for fans 1 to |
104 | is better (no more fan clock divider mess) but not compatible with the older | 113 | 3. This is better (no more fan clock divider mess) but not compatible with the |
105 | chips and revisions. The 16-bit tachometer mode is enabled by the driver when | 114 | older chips and revisions. The 16-bit tachometer mode is enabled by the driver |
106 | one of the above chips is detected. | 115 | when one of the above chips is detected. |
107 | 116 | ||
108 | The IT8726F is just bit enhanced IT8716F with additional hardware | 117 | The IT8726F is just bit enhanced IT8716F with additional hardware |
109 | for AMD power sequencing. Therefore the chip will appear as IT8716F | 118 | for AMD power sequencing. Therefore the chip will appear as IT8716F |
@@ -131,9 +140,10 @@ inputs can measure voltages between 0 and 4.08 volts, with a resolution of | |||
131 | 0.016 volt (except IT8721F/IT8758E and IT8728F: 0.012 volt.) The battery | 140 | 0.016 volt (except IT8721F/IT8758E and IT8728F: 0.012 volt.) The battery |
132 | voltage in8 does not have limit registers. | 141 | voltage in8 does not have limit registers. |
133 | 142 | ||
134 | On the IT8721F/IT8758E, some voltage inputs are internal and scaled inside | 143 | On the IT8721F/IT8758E, IT8782F, and IT8783E/F, some voltage inputs are |
135 | the chip (in7, in8 and optionally in3). The driver handles this transparently | 144 | internal and scaled inside the chip (in7 (optional for IT8782F and IT8783E/F), |
136 | so user-space doesn't have to care. | 145 | in8 and optionally in3). The driver handles this transparently so user-space |
146 | doesn't have to care. | ||
137 | 147 | ||
138 | The VID lines (IT8712F/IT8716F/IT8718F/IT8720F) encode the core voltage value: | 148 | The VID lines (IT8712F/IT8716F/IT8718F/IT8720F) encode the core voltage value: |
139 | the voltage level your processor should work with. This is hardcoded by | 149 | the voltage level your processor should work with. This is hardcoded by |