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<div class="section" id="service-indicators-leds">
<span id="device-tree-ibm-opal-leds"></span><h1>Service Indicators (LEDS)<a class="headerlink" href="#service-indicators-leds" title="Permalink to this headline">¶</a></h1>
<p>The ‘leds’ node under ‘ibm,opal’ lists service indicators available in the
system and their capabilities.</p>
<div class="highlight-dts notranslate"><div class="highlight"><pre><span></span><span class="nc">leds</span> <span class="p">{</span>
<span class="nf">compatible</span> <span class="o">=</span> <span class="s">"ibm,opal-v3-led"</span><span class="p">;</span>
<span class="nf">phandle</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x1000006b</span><span class="p">>;</span>
<span class="nf">linux,phandle</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x1000006b</span><span class="p">>;</span>
<span class="nf">led-mode</span> <span class="o">=</span> <span class="s">"lightpath"</span><span class="p">;</span>
<span class="nc">U78C9.001.RST0027-P1-C1</span> <span class="p">{</span>
<span class="nf">led-types</span> <span class="o">=</span> <span class="s">"identify", "fault"</span><span class="p">;</span>
<span class="nf">phandle</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x1000006f</span><span class="p">>;</span>
<span class="nf">linux,phandle</span> <span class="o">=</span> <span class="p"><</span><span class="mh">0x1000006f</span><span class="p">>;</span>
<span class="p">};</span>
<span class="cm">/* Other LED nodes like the above one */</span>
<span class="p">};</span>
</pre></div>
</div>
<dl class="docutils">
<dt>compatible</dt>
<dd>property describes LEDs compatibility.</dd>
<dt>led-mode</dt>
<dd>property describes service indicator mode (lightpath/guidinglight).</dd>
</dl>
<p>Each node under ‘leds’ node describes location code of FRU/Enclosure.</p>
<p>The properties under each node:</p>
<dl class="docutils">
<dt>led-types</dt>
<dd>Supported indicators (attention/identify/fault).</dd>
</dl>
<p>These LEDs can be accessed through OPAL_LEDS_{GET/SET}_INDICATOR interfaces.
Refer to <a class="reference internal" href="../../opal-api/opal-led-get-set-114-115.html#opal-api-leds"><span class="std std-ref">Service Indicators (LEDS)</span></a> for interface details.</p>
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