Commit ea694431 authored by Juerg Haefliger's avatar Juerg Haefliger Committed by Jean Delvare

hwmon: (dme1737) Add SCH5127 support

Add support for the hardware monitoring capabilities of the SCH5127
chip to the dme1737 driver.
Signed-off-by: default avatarJuerg Haefliger <juergh@gmail.com>
Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
Tested-by: default avatarJeff Rickman <jrickman@myamigos.us>
parent 38806bda
...@@ -9,11 +9,15 @@ Supported chips: ...@@ -9,11 +9,15 @@ Supported chips:
* SMSC SCH3112, SCH3114, SCH3116 * SMSC SCH3112, SCH3114, SCH3116
Prefix: 'sch311x' Prefix: 'sch311x'
Addresses scanned: none, address read from Super-I/O config space Addresses scanned: none, address read from Super-I/O config space
Datasheet: http://www.nuhorizons.com/FeaturedProducts/Volume1/SMSC/311x.pdf Datasheet: Available on the Internet
* SMSC SCH5027 * SMSC SCH5027
Prefix: 'sch5027' Prefix: 'sch5027'
Addresses scanned: I2C 0x2c, 0x2d, 0x2e Addresses scanned: I2C 0x2c, 0x2d, 0x2e
Datasheet: Provided by SMSC upon request and under NDA Datasheet: Provided by SMSC upon request and under NDA
* SMSC SCH5127
Prefix: 'sch5127'
Addresses scanned: none, address read from Super-I/O config space
Datasheet: Provided by SMSC upon request and under NDA
Authors: Authors:
Juerg Haefliger <juergh@gmail.com> Juerg Haefliger <juergh@gmail.com>
...@@ -36,8 +40,8 @@ Description ...@@ -36,8 +40,8 @@ Description
----------- -----------
This driver implements support for the hardware monitoring capabilities of the This driver implements support for the hardware monitoring capabilities of the
SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, and SMSC SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, SCH311x,
SCH311x Super-I/O chips. These chips feature monitoring of 3 temp sensors and SCH5127 Super-I/O chips. These chips feature monitoring of 3 temp sensors
temp[1-3] (2 remote diodes and 1 internal), 7 voltages in[0-6] (6 external and temp[1-3] (2 remote diodes and 1 internal), 7 voltages in[0-6] (6 external and
1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement 1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement
up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and
...@@ -48,14 +52,14 @@ Fan[3-6] and pwm[3,5-6] are optional features and their availability depends on ...@@ -48,14 +52,14 @@ Fan[3-6] and pwm[3,5-6] are optional features and their availability depends on
the configuration of the chip. The driver will detect which features are the configuration of the chip. The driver will detect which features are
present during initialization and create the sysfs attributes accordingly. present during initialization and create the sysfs attributes accordingly.
For the SCH311x, fan[1-3] and pwm[1-3] are always present and fan[4-6] and For the SCH311x and SCH5127, fan[1-3] and pwm[1-3] are always present and
pwm[5-6] don't exist. fan[4-6] and pwm[5-6] don't exist.
The hardware monitoring features of the DME1737, A8000, and SCH5027 are only The hardware monitoring features of the DME1737, A8000, and SCH5027 are only
accessible via SMBus, while the SCH311x only provides access via the ISA bus. accessible via SMBus, while the SCH311x and SCH5127 only provide access via
The driver will therefore register itself as an I2C client driver if it detects the ISA bus. The driver will therefore register itself as an I2C client driver
a DME1737, A8000, or SCH5027 and as a platform driver if it detects a SCH311x if it detects a DME1737, A8000, or SCH5027 and as a platform driver if it
chip. detects a SCH311x or SCH5127 chip.
Voltage Monitoring Voltage Monitoring
...@@ -76,7 +80,7 @@ DME1737, A8000: ...@@ -76,7 +80,7 @@ DME1737, A8000:
in6: Vbat (+3.0V) 0V - 4.38V in6: Vbat (+3.0V) 0V - 4.38V
SCH311x: SCH311x:
in0: +2.5V 0V - 6.64V in0: +2.5V 0V - 3.32V
in1: Vccp (processor core) 0V - 2V in1: Vccp (processor core) 0V - 2V
in2: VCC (internal +3.3V) 0V - 4.38V in2: VCC (internal +3.3V) 0V - 4.38V
in3: +5V 0V - 6.64V in3: +5V 0V - 6.64V
...@@ -93,6 +97,15 @@ SCH5027: ...@@ -93,6 +97,15 @@ SCH5027:
in5: VTR (+3.3V standby) 0V - 4.38V in5: VTR (+3.3V standby) 0V - 4.38V
in6: Vbat (+3.0V) 0V - 4.38V in6: Vbat (+3.0V) 0V - 4.38V
SCH5127:
in0: +2.5 0V - 3.32V
in1: Vccp (processor core) 0V - 3V
in2: VCC (internal +3.3V) 0V - 4.38V
in3: V2_IN 0V - 1.5V
in4: V1_IN 0V - 1.5V
in5: VTR (+3.3V standby) 0V - 4.38V
in6: Vbat (+3.0V) 0V - 4.38V
Each voltage input has associated min and max limits which trigger an alarm Each voltage input has associated min and max limits which trigger an alarm
when crossed. when crossed.
...@@ -293,3 +306,21 @@ pwm[1-3]_auto_point1_pwm RW Auto PWM pwm point. Auto_point1 is the ...@@ -293,3 +306,21 @@ pwm[1-3]_auto_point1_pwm RW Auto PWM pwm point. Auto_point1 is the
pwm[1-3]_auto_point2_pwm RO Auto PWM pwm point. Auto_point2 is the pwm[1-3]_auto_point2_pwm RO Auto PWM pwm point. Auto_point2 is the
full-speed duty-cycle which is hard- full-speed duty-cycle which is hard-
wired to 255 (100% duty-cycle). wired to 255 (100% duty-cycle).
Chip Differences
----------------
Feature dme1737 sch311x sch5027 sch5127
-------------------------------------------------------
temp[1-3]_offset yes yes
vid yes
zone3 yes yes yes
zone[1-3]_hyst yes yes
pwm min/off yes yes
fan3 opt yes opt yes
pwm3 opt yes opt yes
fan4 opt opt
fan5 opt opt
pwm5 opt opt
fan6 opt opt
pwm6 opt opt
This diff is collapsed.
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment