hwmon: (dme1737) Add SCH5127 support (ea694431) · Commits · e / devices / android_kernel_fairphone_FP4

Documentation/hwmon/dme1737

+41 −10

Original line number	Diff line number	Diff line
		@@ -9,11 +9,15 @@ Supported chips:
		* SMSC SCH3112, SCH3114, SCH3116
		Prefix: 'sch311x'
		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
		Prefix: 'sch5027'
		Addresses scanned: I2C 0x2c, 0x2d, 0x2e
		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:
		Juerg Haefliger <juergh@gmail.com>
		@@ -36,8 +40,8 @@ Description
		-----------

		This driver implements support for the hardware monitoring capabilities of the
		SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, and SMSC
		SCH311x Super-I/O chips. These chips feature monitoring of 3 temp sensors
		SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, SCH311x,
		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
		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
		@@ -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
		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
		pwm[5-6] don't exist.
		For the SCH311x and SCH5127, fan[1-3] and pwm[1-3] are always present and
		fan[4-6] and pwm[5-6] don't exist.

		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.
		The driver will therefore register itself as an I2C client driver if it detects
		a DME1737, A8000, or SCH5027 and as a platform driver if it detects a SCH311x
		chip.
		accessible via SMBus, while the SCH311x and SCH5127 only provide access via
		the ISA bus. The driver will therefore register itself as an I2C client driver
		if it detects a DME1737, A8000, or SCH5027 and as a platform driver if it
		detects a SCH311x or SCH5127 chip.


		Voltage Monitoring
		@@ -76,7 +80,7 @@ DME1737, A8000:
		in6: Vbat (+3.0V) 0V - 4.38V

		SCH311x:
		in0: +2.5V 0V - 6.64V
		in0: +2.5V 0V - 3.32V
		in1: Vccp (processor core) 0V - 2V
		in2: VCC (internal +3.3V) 0V - 4.38V
		in3: +5V 0V - 6.64V
		@@ -93,6 +97,15 @@ SCH5027:
		in5: VTR (+3.3V standby) 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
		when crossed.

		@@ -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
		full-speed duty-cycle which is hard-
		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

drivers/hwmon/dme1737.c

+225 −103

File changed.

Preview size limit exceeded, changes collapsed.