From: Kelly Anderson <kelly@xxxxxxxxxxxxxxxxxxxx>
Assume that IT8771E is fully compatible with IT8728F.
Contributions-by: Kelly Anderson <kelly@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
Documentation/hwmon/it87 | 10 +++++++---
drivers/hwmon/Kconfig | 2 +-
drivers/hwmon/it87.c | 25 ++++++++++++++++++++-----
3 files changed, 28 insertions(+), 9 deletions(-)
diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87
index 8386aad..b9e13a0 100644
--- a/Documentation/hwmon/it87
+++ b/Documentation/hwmon/it87
@@ -30,6 +30,10 @@ Supported chips:
Prefix: 'it8728'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Not publicly available
+ * IT8771E
+ Prefix: 'it8771'
+ Addresses scanned: from Super I/O config space (8 I/O ports)
+ Datasheet: Not publicly available
* IT8782F
Prefix: 'it8782'
Addresses scanned: from Super I/O config space (8 I/O ports)
@@ -83,7 +87,7 @@ Description
-----------
This driver implements support for the IT8705F, IT8712F, IT8716F,
-IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8781F, IT8782F,
+IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8771E, IT8782F,
IT8783E/F, and SiS950 chips.
These chips are 'Super I/O chips', supporting floppy disks, infrared ports,
@@ -118,8 +122,8 @@ The IT8726F is just bit enhanced IT8716F with additional hardware
for AMD power sequencing. Therefore the chip will appear as IT8716F
to userspace applications.
-The IT8728F is considered compatible with the IT8721F, until a datasheet
-becomes available (hopefully.)
+The IT8728F and IT8771E are considered compatible with the IT8721F, until
+a datasheet becomes available (hopefully.)
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 c4633de..b1a4826 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -496,7 +496,7 @@ config SENSORS_IT87
help
If you say yes here you get support for ITE IT8705F, IT8712F,
IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E,
- IT8782F, and IT8783E/F sensor chips, and the SiS950 clone.
+ IT8771E, IT8782F, and IT8783E/F 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 6a1410b..5591a39 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -19,6 +19,7 @@
* IT8726F Super I/O chip w/LPC interface
* IT8728F Super I/O chip w/LPC interface
* IT8758E Super I/O chip w/LPC interface
+ * IT8771E Super I/O chip w/LPC interface
* IT8782F Super I/O chip w/LPC interface
* IT8783E/F Super I/O chip w/LPC interface
* Sis950 A clone of the IT8705F
@@ -61,8 +62,8 @@
#define DRVNAME "it87"
-enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8782,
- it8783 };
+enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
+ it8782, it8783 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
@@ -140,6 +141,7 @@ static inline void superio_exit(void)
#define IT8721F_DEVID 0x8721
#define IT8726F_DEVID 0x8726
#define IT8728F_DEVID 0x8728
+#define IT8771E_DEVID 0x8771
#define IT8782F_DEVID 0x8782
#define IT8783E_DEVID 0x8783
#define IT87_ACT_REG 0x30
@@ -281,6 +283,15 @@ static const struct it87_devices it87_devices[] = {
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
.peci_mask = 0x07,
},
+ [it8771] = {
+ .name = "it8771",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
+ /* PECI: guesswork */
+ /* 12mV ADC (OHM) */
+ /* 16 bit fans (OHM) */
+ .peci_mask = 0x07,
+ },
[it8782] = {
.name = "it8782",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
@@ -1709,6 +1720,9 @@ static int __init it87_find(unsigned short *address,
case IT8728F_DEVID:
sio_data->type = it8728;
break;
+ case IT8771E_DEVID:
+ sio_data->type = it8771;
+ break;
case IT8782F_DEVID:
sio_data->type = it8782;
break;
@@ -1826,10 +1840,10 @@ static int __init it87_find(unsigned short *address,
reg = superio_inb(IT87_SIO_GPIO3_REG);
if (sio_data->type == it8721 || sio_data->type == it8728 ||
- sio_data->type == it8782) {
+ sio_data->type == it8771 || sio_data->type == it8782) {
/*
* IT8721F/IT8758E, and IT8782F don't have VID pins
- * at all, not sure about the IT8728F.
+ * at all, not sure about the IT8728F and compatibles.
*/
sio_data->skip_vid = 1;
} else {
@@ -1883,7 +1897,8 @@ static int __init it87_find(unsigned short *address,
if (reg & (1 << 0))
sio_data->internal |= (1 << 0);
if ((reg & (1 << 1)) || sio_data->type == it8721 ||
- sio_data->type == it8728)
+ sio_data->type == it8728 ||
+ sio_data->type == it8771)
sio_data->internal |= (1 << 1);
/*
--
1.7.9.7
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