[PATCH v2 2/2] Docs: hwmon: pmbus: Add PXE1610 driver

Vijay Khemka vijaykhemka at fb.com
Fri Jun 7 04:49:09 AEST 2019



On 6/5/19, 1:48 PM, "Guenter Roeck" <groeck7 at gmail.com on behalf of linux at roeck-us.net> wrote:

    On Thu, May 30, 2019 at 04:11:57PM -0700, Vijay Khemka wrote:
    > Added support for Infenion PXE1610 driver
    > 
    Applied, after fixing
    	s/Infenion/Infineon/
    	s/Infinion/Infineon/
Thanks
    
    Guenter
    
    > Signed-off-by: Vijay Khemka <vijaykhemka at fb.com>
    > ---
    > Changes in v2:
    > incorporated all the feedback from Guenter Roeck <linux at roeck-us.net>
    > 
    >  Documentation/hwmon/pxe1610 | 90 +++++++++++++++++++++++++++++++++++++
    >  1 file changed, 90 insertions(+)
    >  create mode 100644 Documentation/hwmon/pxe1610
    > 
    > diff --git a/Documentation/hwmon/pxe1610 b/Documentation/hwmon/pxe1610
    > new file mode 100644
    > index 000000000000..24825db8736f
    > --- /dev/null
    > +++ b/Documentation/hwmon/pxe1610
    > @@ -0,0 +1,90 @@
    > +Kernel driver pxe1610
    > +=====================
    > +
    > +Supported chips:
    > +  * Infinion PXE1610
    > +    Prefix: 'pxe1610'
    > +    Addresses scanned: -
    > +    Datasheet: Datasheet is not publicly available.
    > +
    > +  * Infinion PXE1110
    > +    Prefix: 'pxe1110'
    > +    Addresses scanned: -
    > +    Datasheet: Datasheet is not publicly available.
    > +
    > +  * Infinion PXM1310
    > +    Prefix: 'pxm1310'
    > +    Addresses scanned: -
    > +    Datasheet: Datasheet is not publicly available.
    > +
    > +Author: Vijay Khemka <vijaykhemka at fb.com>
    > +
    > +
    > +Description
    > +-----------
    > +
    > +PXE1610/PXE1110 are Multi-rail/Multiphase Digital Controllers
    > +and compliant to
    > +	-- Intel VR13 DC-DC converter specifications.
    > +	-- Intel SVID protocol.
    > +Used for Vcore power regulation for Intel VR13 based microprocessors
    > +	-- Servers, Workstations, and High-end desktops
    > +
    > +PXM1310 is a Multi-rail Controllers and it is compliant to
    > +	-- Intel VR13 DC-DC converter specifications.
    > +	-- Intel SVID protocol.
    > +Used for DDR3/DDR4 Memory power regulation for Intel VR13 and
    > +IMVP8 based systems
    > +
    > +
    > +Usage Notes
    > +-----------
    > +
    > +This driver does not probe for PMBus devices. You will have
    > +to instantiate devices explicitly.
    > +
    > +Example: the following commands will load the driver for an PXE1610
    > +at address 0x70 on I2C bus #4:
    > +
    > +# modprobe pxe1610
    > +# echo pxe1610 0x70 > /sys/bus/i2c/devices/i2c-4/new_device
    > +
    > +It can also be instantiated by declaring in device tree
    > +
    > +
    > +Sysfs attributes
    > +----------------
    > +
    > +curr1_label		"iin"
    > +curr1_input		Measured input current
    > +curr1_alarm		Current high alarm
    > +
    > +curr[2-4]_label		"iout[1-3]"
    > +curr[2-4]_input		Measured output current
    > +curr[2-4]_crit		Critical maximum current
    > +curr[2-4]_crit_alarm	Current critical high alarm
    > +
    > +in1_label		"vin"
    > +in1_input		Measured input voltage
    > +in1_crit		Critical maximum input voltage
    > +in1_crit_alarm		Input voltage critical high alarm
    > +
    > +in[2-4]_label		"vout[1-3]"
    > +in[2-4]_input		Measured output voltage
    > +in[2-4]_lcrit		Critical minimum output voltage
    > +in[2-4]_lcrit_alarm	Output voltage critical low alarm
    > +in[2-4]_crit		Critical maximum output voltage
    > +in[2-4]_crit_alarm	Output voltage critical high alarm
    > +
    > +power1_label		"pin"
    > +power1_input		Measured input power
    > +power1_alarm		Input power high alarm
    > +
    > +power[2-4]_label	"pout[1-3]"
    > +power[2-4]_input	Measured output power
    > +
    > +temp[1-3]_input		Measured temperature
    > +temp[1-3]_crit		Critical high temperature
    > +temp[1-3]_crit_alarm	Chip temperature critical high alarm
    > +temp[1-3]_max		Maximum temperature
    > +temp[1-3]_max_alarm	Chip temperature high alarm
    



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