Commit b0235b22 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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greybus: Documentation/sysfs-bus-greybus: document module sysfs files 



This documents the module slot sysfs files "epm", "power_control", and
"present".

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
Reviewed-by: default avatarAlex Elder <elder@linaro.org>
parent 7baa184d

drivers/staging/greybus/Documentation/sysfs-bus-greybus

+30 −0
Original line number Diff line number Diff line
@@ -21,6 +21,36 @@ Contact: Greg Kroah-Hartman <greg@kroah.com> 
Description:

		The version number of the firmware in the SVC device.



What:		/sys/bus/greybus/device/endo-XXXX/../epm

Date:		October 2015

KernelVersion:	4.XX

Contact:	Greg Kroah-Hartman <greg@kroah.com>

Description:

		The EPM (Electropermanent Magnet) control file for

		the specific module slot the file is present in.

		Writing 1 to it turns it on, writing 0 to it turns it

		off.  Reading the value returns if it is on or off.



What:		/sys/bus/greybus/device/endo-XXXX/../power_control

Date:		October 2015

KernelVersion:	4.XX

Contact:	Greg Kroah-Hartman <greg@kroah.com>

Description:

		The power control file for the specific module slot that

		the file is present in.  Writing 1 to it turns power on

		to the module, writing 0 to it turns power off to the

		module.  Reading the value returns if it is on or off.



What:		/sys/bus/greybus/device/endo-XXXX/../present

Date:		October 2015

KernelVersion:	4.XX

Contact:	Greg Kroah-Hartman <greg@kroah.com>

Description:

		The "is a module present in the slot" file for the

		specific module slot that the file is present in.

		This is read-only, 1 means a module is present, 0 means

		no module is present.



What:		/sys/bus/greybus/device/.../product

Date:		October 2015

KernelVersion:	4.XX