diff options
Diffstat (limited to 'roms/skiboot/doc/device-tree/ibm,opal/led.rst')
| -rw-r--r-- | roms/skiboot/doc/device-tree/ibm,opal/led.rst | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/roms/skiboot/doc/device-tree/ibm,opal/led.rst b/roms/skiboot/doc/device-tree/ibm,opal/led.rst new file mode 100644 index 000000000..7e062fe19 --- /dev/null +++ b/roms/skiboot/doc/device-tree/ibm,opal/led.rst @@ -0,0 +1,39 @@ +.. _device-tree/ibm,opal/leds: + +Service Indicators (LEDS) +========================= + +The 'leds' node under 'ibm,opal' lists service indicators available in the +system and their capabilities. + +.. code-block:: dts + + leds { + compatible = "ibm,opal-v3-led"; + phandle = <0x1000006b>; + linux,phandle = <0x1000006b>; + led-mode = "lightpath"; + + U78C9.001.RST0027-P1-C1 { + led-types = "identify", "fault"; + phandle = <0x1000006f>; + linux,phandle = <0x1000006f>; + }; + /* Other LED nodes like the above one */ + }; + +compatible + property describes LEDs compatibility. + +led-mode + property describes service indicator mode (lightpath/guidinglight). + +Each node under 'leds' node describes location code of FRU/Enclosure. + +The properties under each node: + +led-types + Supported indicators (attention/identify/fault). + +These LEDs can be accessed through OPAL_LEDS_{GET/SET}_INDICATOR interfaces. +Refer to :ref:`opal-api-LEDs` for interface details. |