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| <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="Link to this heading">¶</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="simple"> |
| <dt>compatible</dt><dd><p>property describes LEDs compatibility.</p> |
| </dd> |
| <dt>led-mode</dt><dd><p>property describes service indicator mode (lightpath/guidinglight).</p> |
| </dd> |
| </dl> |
| <p>Each node under ‘leds’ node describes location code of FRU/Enclosure.</p> |
| <p>The properties under each node:</p> |
| <dl class="simple"> |
| <dt>led-types</dt><dd><p>Supported indicators (attention/identify/fault).</p> |
| </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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