Commit a3a2923a authored by Wensheng Wang's avatar Wensheng Wang Committed by Guenter Roeck
Browse files

hwmon: add MP2869,MP29608,MP29612 and MP29816 series driver 



Add support for MPS VR mp2869/mp2869a,mp29608/mp29608a,mp29612/mp29612a
and mp29816/mp29816a/mp29816b/mp29816c controller. This driver exposes
telemetry and limit value readings and writtings.

Signed-off-by: default avatarWensheng Wang <wenswang@yeah.net>
Link: https://lore.kernel.org/r/20250805102020.749850-2-wenswang@yeah.net


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent c97c66e0

Documentation/hwmon/index.rst

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@@ -173,6 +173,7 @@ Hardware Monitoring Kernel Drivers 
   menf21bmc

   mlxreg-fan

   mp2856

   mp2869

   mp2888

   mp2891

   mp2975

Documentation/hwmon/mp2869.rst

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.. SPDX-License-Identifier: GPL-2.0



Kernel driver mp2869

====================



Supported chips:



  * MPS mp2869



    Prefix: 'mp2869'



  * MPS mp29608



    Prefix: 'mp29608'



  * MPS mp29612



    Prefix: 'mp29612'



  * MPS mp29816



    Prefix: 'mp29816'



Author:



	Wensheng Wang <wenswang@yeah.net>



Description

-----------



This driver implements support for Monolithic Power Systems, Inc. (MPS)

MP2869 Dual Loop Digital Multi-phase Controller.



Device compliant with:



- PMBus rev 1.3 interface.



The driver exports the following attributes via the 'sysfs' files

for input voltage:



**in1_input**



**in1_label**



**in1_crit**



**in1_crit_alarm**



**in1_lcrit**



**in1_lcrit_alarm**



**in1_min**



**in1_min_alarm**



The driver provides the following attributes for output voltage:



**in2_input**



**in2_label**



**in2_crit**



**in2_crit_alarm**



**in2_lcrit**



**in2_lcrit_alarm**



**in3_input**



**in3_label**



**in3_crit**



**in3_crit_alarm**



**in3_lcrit**



**in3_lcrit_alarm**



The driver provides the following attributes for input current:



**curr1_input**



**curr1_label**



**curr2_input**



**curr2_label**



The driver provides the following attributes for output current:



**curr3_input**



**curr3_label**



**curr3_crit**



**curr3_crit_alarm**



**curr3_max**



**curr3_max_alarm**



**curr4_input**



**curr4_label**



**curr4_crit**



**curr4_crit_alarm**



**curr4_max**



**curr4_max_alarm**



The driver provides the following attributes for input power:



**power1_input**



**power1_label**



**power2_input**



**power2_label**



The driver provides the following attributes for output power:



**power3_input**



**power3_label**



**power3_input**



**power3_label**



**power3_max**



**power3_max_alarm**



**power4_input**



**power4_label**



**power4_input**



**power4_label**



**power4_max**



**power4_max_alarm**



The driver provides the following attributes for temperature:



**temp1_input**



**temp1_crit**



**temp1_crit_alarm**



**temp1_max**



**temp1_max_alarm**



**temp2_input**



**temp2_crit**



**temp2_crit_alarm**



**temp2_max**



**temp2_max_alarm**

MAINTAINERS

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@@ -17175,6 +17175,13 @@ S: Maintained 
F:	Documentation/devicetree/bindings/leds/backlight/mps,mp3309c.yaml

F:	drivers/video/backlight/mp3309c.c









MPS MP2869 DRIVER









M:	Wensheng Wang <wenswang@yeah.net>









L:	linux-hwmon@vger.kernel.org









S:	Maintained









F:	Documentation/hwmon/mp2869.rst









F:	drivers/hwmon/pmbus/mp2869.c

















MPS MP2891 DRIVER









M:	Noah Wang <noahwang.wang@outlook.com>









L:	linux-hwmon@vger.kernel.org

























drivers/hwmon/pmbus/Kconfig



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@@ -374,6 +374,15 @@ config SENSORS_MP2856







	  This driver can also be built as a module. If so, the module will









	  be called mp2856.



















config SENSORS_MP2869









	tristate "MPS MP2869"









	help









	  If you say yes here you get hardware monitoring support for MPS









	  MP2869 Dual Loop Digital Multi-Phase Controller.



















	  This driver can also be built as a module. If so, the module will









	  be called mp2869.



















config SENSORS_MP2888









	tristate "MPS MP2888"









	help
































drivers/hwmon/pmbus/Makefile



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@@ -37,6 +37,7 @@ obj-$(CONFIG_SENSORS_MAX31785)	+= max31785.o







obj-$(CONFIG_SENSORS_MAX34440)	+= max34440.o









obj-$(CONFIG_SENSORS_MAX8688)	+= max8688.o









obj-$(CONFIG_SENSORS_MP2856)	+= mp2856.o









obj-$(CONFIG_SENSORS_MP2869)	+= mp2869.o









obj-$(CONFIG_SENSORS_MP2888)	+= mp2888.o









obj-$(CONFIG_SENSORS_MP2891)	+= mp2891.o









obj-$(CONFIG_SENSORS_MP2975)	+= mp2975.o