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authorRudolf Marek <r.marek@assembler.cz>2007-06-09 10:11:16 -0400
committerMark M. Hoffman <mhoffman@lightlink.com>2007-07-19 14:22:13 -0400
commit08a8f6e9e63a4317f716749ba9f828351bd4af35 (patch)
tree22f5a8218b7d89d49eda2360f4ab99cfd98c364f
parent7817a39e65f04abe136d94a65fa26b7fe3334a1f (diff)
hwmon/it87: Add IT8726F support
Add support for IT8726F chip driver, which is just same as IT8716F with additional glue logic for AMD power sequencing. Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-rw-r--r--Documentation/hwmon/it879
-rw-r--r--drivers/hwmon/Kconfig2
-rw-r--r--drivers/hwmon/it87.c7
3 files changed, 14 insertions, 4 deletions
diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87
index c0528d6f9ac..81ecc7e41c5 100644
--- a/Documentation/hwmon/it87
+++ b/Documentation/hwmon/it87
@@ -12,11 +12,12 @@ Supported chips:
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Publicly available at the ITE website
http://www.ite.com.tw/
- * IT8716F
+ * IT8716F/IT8726F
Prefix: 'it8716'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Publicly available at the ITE website
http://www.ite.com.tw/product_info/file/pc/IT8716F_V0.3.ZIP
+ http://www.ite.com.tw/product_info/file/pc/IT8726F_V0.3.pdf
* IT8718F
Prefix: 'it8718'
Addresses scanned: from Super I/O config space (8 I/O ports)
@@ -68,7 +69,7 @@ Description
-----------
This driver implements support for the IT8705F, IT8712F, IT8716F,
-IT8718F and SiS950 chips.
+IT8718F, IT8726F and SiS950 chips.
These chips are 'Super I/O chips', supporting floppy disks, infrared ports,
joysticks and other miscellaneous stuff. For hardware monitoring, they
@@ -97,6 +98,10 @@ clock divider mess) but not compatible with the older chips and
revisions. For now, the driver only uses the 16-bit mode on the
IT8716F and IT8718F.
+The IT8726F is just bit enhanced IT8716F with additional hardware
+for AMD power sequencing. Therefore the chip will appear as IT8716F
+to userspace applications.
+
Temperatures are measured in degrees Celsius. An alarm is triggered once
when the Overtemperature Shutdown limit is crossed.
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index d1c6be9e2ba..5868e1a1917 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -255,7 +255,7 @@ config SENSORS_IT87
select HWMON_VID
help
If you say yes here you get support for ITE IT8705F, IT8712F,
- IT8716F and IT8718F sensor chips, and the SiS960 clone.
+ IT8716F, IT8718F and IT8726F sensor chips, and the SiS960 clone.
This driver can also be built as a module. If so, the module
will be called it87.
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 62afc63708a..1dd7654cf00 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -6,6 +6,7 @@
IT8712F Super I/O chip w/LPC interface
IT8716F Super I/O chip w/LPC interface
IT8718F Super I/O chip w/LPC interface
+ IT8726F Super I/O chip w/LPC interface
Sis950 A clone of the IT8705F
Copyright (C) 2001 Chris Gauthron <chrisg@0-in.com>
@@ -97,6 +98,7 @@ superio_exit(void)
#define IT8705F_DEVID 0x8705
#define IT8716F_DEVID 0x8716
#define IT8718F_DEVID 0x8718
+#define IT8726F_DEVID 0x8726
#define IT87_ACT_REG 0x30
#define IT87_BASE_REG 0x60
@@ -885,6 +887,7 @@ static int __init it87_find(unsigned short *address)
chip_type = superio_inw(DEVID);
if (chip_type != IT8712F_DEVID
&& chip_type != IT8716F_DEVID
+ && chip_type != IT8726F_DEVID
&& chip_type != IT8718F_DEVID
&& chip_type != IT8705F_DEVID)
goto exit;
@@ -965,6 +968,8 @@ static int it87_detect(struct i2c_adapter *adapter)
data->type = it8712;
name = "it8712";
break;
+ case IT8726F_DEVID:
+ /* fall through */
case IT8716F_DEVID:
data->type = it8716;
name = "it8716";
@@ -1389,7 +1394,7 @@ static void __exit sm_it87_exit(void)
MODULE_AUTHOR("Chris Gauthron <chrisg@0-in.com>, "
"Jean Delvare <khali@linux-fr.org>");
-MODULE_DESCRIPTION("IT8705F/8712F/8716F/8718F, SiS950 driver");
+MODULE_DESCRIPTION("IT8705F/8712F/8716F/8718F/8726F, SiS950 driver");
module_param(update_vbat, bool, 0);
MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value");
module_param(fix_pwm_polarity, bool, 0);