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Service Indicators (LEDS)
=========================
The 'leds' node under 'ibm,opal' lists service indicators available in the
system and their capabilities. ::
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>;
};
...
...
};
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 doc/opal-api/opal-led-get-set-114-115.rst for interface details.
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