39 lines
938 B
ReStructuredText
39 lines
938 B
ReStructuredText
.. _device-tree/ibm,opal/leds:
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Service Indicators (LEDS)
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=========================
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The 'leds' node under 'ibm,opal' lists service indicators available in the
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system and their capabilities.
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.. code-block:: dts
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leds {
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compatible = "ibm,opal-v3-led";
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phandle = <0x1000006b>;
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linux,phandle = <0x1000006b>;
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led-mode = "lightpath";
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U78C9.001.RST0027-P1-C1 {
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led-types = "identify", "fault";
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phandle = <0x1000006f>;
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linux,phandle = <0x1000006f>;
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};
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/* Other LED nodes like the above one */
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};
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compatible
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property describes LEDs compatibility.
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led-mode
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property describes service indicator mode (lightpath/guidinglight).
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Each node under 'leds' node describes location code of FRU/Enclosure.
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The properties under each node:
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led-types
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Supported indicators (attention/identify/fault).
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These LEDs can be accessed through OPAL_LEDS_{GET/SET}_INDICATOR interfaces.
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Refer to :ref:`opal-api-LEDs` for interface details.
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