diff options
| author | David Lin <dtwlin@google.com> | 2016-04-07 20:15:30 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@google.com> | 2016-04-07 21:37:59 -0700 |
| commit | ddb10c8acc8554ffb68bdb6d80d0e277e124cb2b (patch) | |
| tree | 93c3a6e93f4b5fbe6bdab7993c66863a77a55872 /drivers/staging/greybus/Documentation | |
| parent | 89de9a06213240b9266f9f368a867cf90d0024bf (diff) | |
| download | linux-ddb10c8acc8554ffb68bdb6d80d0e277e124cb2b.tar.bz2 | |
greybus: svc: add Interface power measurements support
This change implements the AP Power Monitor functions for obtaining
current/voltage/power on a specific rail of an Interface.
Testing Done:
$ cat /sys/bus/greybus/devices/1-3/current_now
103
$ cat /sys/bus/greybus/devices/1-3/power_now
303
$ cat /sys/bus/greybus/devices/1-3/voltage_now
203
Signed-off-by: David Lin <dtwlin@google.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'drivers/staging/greybus/Documentation')
| -rw-r--r-- | drivers/staging/greybus/Documentation/sysfs-bus-greybus | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/staging/greybus/Documentation/sysfs-bus-greybus b/drivers/staging/greybus/Documentation/sysfs-bus-greybus index 17b1a2919ef9..281b05cb889c 100644 --- a/drivers/staging/greybus/Documentation/sysfs-bus-greybus +++ b/drivers/staging/greybus/Documentation/sysfs-bus-greybus @@ -164,3 +164,24 @@ Contact: Greg Kroah-Hartman <greg@kroah.com> Description: If the SVC watchdog is enabled or not. Writing 0 to this file will disable the watchdog, writing 1 will enable it. + +What: /sys/bus/greybus/device/N-I/voltage_now +Date: March 2016 +KernelVersion: 4.XX +Contact: Greg Kroah-Hartman <greg@kroah.com> +Description: + Voltage measurement of the interface in microvolts (uV) + +What: /sys/bus/greybus/device/N-I/current_now +Date: March 2016 +KernelVersion: 4.XX +Contact: Greg Kroah-Hartman <greg@kroah.com> +Description: + Current measurement of the interface in microamps (uA) + +What: /sys/bus/greybus/device/N-I/power_now +Date: March 2016 +KernelVersion: 4.XX +Contact: Greg Kroah-Hartman <greg@kroah.com> +Description: + Power measurement of the interface in microwatts (uW) |