IT8790E is a super-IO chip with three fan tachometers. It is mostly
compatible to IT8728E.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
Documentation/hwmon/it87 | 13 ++++++++++---
drivers/hwmon/Kconfig | 4 ++--
drivers/hwmon/it87.c | 14 +++++++++++++-
3 files changed, 25 insertions(+), 6 deletions(-)
diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87
index 19fbe775ae10..64ea41f017c1 100644
--- a/Documentation/hwmon/it87
+++ b/Documentation/hwmon/it87
@@ -58,6 +58,10 @@ Supported chips:
Prefix: 'it8786'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Not publicly available
+ * IT8790E
+ Prefix: 'it8790'
+ 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)
@@ -102,9 +106,10 @@ motherboard models.
Description
-----------
-This driver implements support for the IT8603E, IT8623E, IT8705F, IT8712F,
-IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8771E,
-IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, and SiS950 chips.
+This driver implements support for the IT8603E, IT8623E, IT8705F,
+IT8712F, IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E,
+IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, IT8790E, and SiS950
+chips.
These chips are 'Super I/O chips', supporting floppy disks, infrared ports,
joysticks and other miscellaneous stuff. For hardware monitoring, they
@@ -145,6 +150,8 @@ The IT8603E/IT8623E is a custom design, hardware monitoring part is similar to
IT8728F. It only supports 16-bit fan mode, the full speed mode of the
fan is not supported (value 0 of pwmX_enable).
+The IT8790E supports up to three fans. 16-bit fan mode is always enabled.
+
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 ec711af5697a..929d30e2047e 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -600,8 +600,8 @@ config SENSORS_IT87
help
If you say yes here you get support for ITE IT8705F, IT8712F,
IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E,
- IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E,
- and IT8603E sensor chips, and the SiS950 clone.
+ IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, IT8790E,
+ IT8603E, and IT8623E sensor chips, and the SiS950 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 2b41a598cee7..01a021172121 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -27,6 +27,7 @@
* IT8782F Super I/O chip w/LPC interface
* IT8783E/F Super I/O chip w/LPC interface
* IT8786E Super I/O chip w/LPC interface
+ * IT8790E Super I/O chip w/LPC interface
* Sis950 A clone of the IT8705F
*
* Copyright (C) 2001 Chris Gauthron
@@ -68,7 +69,7 @@
#define DRVNAME "it87"
enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
- it8772, it8781, it8782, it8783, it8786, it8603 };
+ it8772, it8781, it8782, it8783, it8786, it8790, it8603 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
@@ -154,6 +155,7 @@ static inline void superio_exit(void)
#define IT8786E_DEVID 0x8786
#define IT8603E_DEVID 0x8603
#define IT8623E_DEVID 0x8623
+#define IT8790E_DEVID 0x8790
#define IT87_ACT_REG 0x30
#define IT87_BASE_REG 0x60
@@ -359,6 +361,13 @@ static const struct it87_devices it87_devices[] = {
.peci_mask = 0x07,
.suffix = "E",
},
+ [it8790] = {
+ .name = "it8790",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ .peci_mask = 0x07,
+ .suffix = "E",
+ },
[it8603] = {
.name = "it8603",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
@@ -1834,6 +1843,9 @@ static int __init it87_find(unsigned short *address,
case IT8786E_DEVID:
sio_data->type = it8786;
break;
+ case IT8790E_DEVID:
+ sio_data->type = it8790;
+ break;
case IT8603E_DEVID:
case IT8623E_DEVID:
sio_data->type = it8603;
--
2.1.0
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