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  <div class="section" id="pci-device-tree-bindings">
<span id="device-tree-pci"></span><h1>PCI Device Tree Bindings<a class="headerlink" href="#pci-device-tree-bindings" title="Permalink to this headline">ΒΆ</a></h1>
<p>The following is an example PCI host bridge and device from a POWER9 machine.</p>
<div class="highlight-dts notranslate"><div class="highlight"><pre><span></span><span class="nc">pciex</span><span class="nf">@600c3c0300000</span> <span class="p">{</span>
  <span class="nf">ibm,capi-flags</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x1</span><span class="p">&gt;;</span>
  <span class="nf">ibm,phb-stack-index</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x0</span><span class="p">&gt;;</span>
  <span class="nf">compatible</span> <span class="o">=</span> <span class="s">&quot;ibm,power9-pciex&quot;, &quot;ibm,ioda3-phb&quot;</span><span class="p">;</span>
  <span class="nf">ibm,opal-single-pe</span><span class="p">;</span>
  <span class="nf">ibm,opal-num-pes</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x200</span><span class="p">&gt;;</span>
  <span class="nf">ibm,supported-tce-sizes</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0xc</span> <span class="mh">0x10</span> <span class="mh">0x15</span> <span class="mh">0x1e</span><span class="p">&gt;;</span>
  <span class="nf">device_type</span> <span class="o">=</span> <span class="s">&quot;pciex&quot;</span><span class="p">;</span>
  <span class="nf">ibm,opal-peltv-table</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x0</span> <span class="mh">0x543c0000</span> <span class="mh">0x20000</span><span class="p">&gt;;</span>
  <span class="nf">ibm,associativity</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x4</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x1</span> <span class="mh">0x0</span><span class="p">&gt;;</span>
  <span class="nf">ibm,phb-diag-data-size</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x2180</span><span class="p">&gt;;</span>
  <span class="nf">ranges</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x2000000</span> <span class="mh">0x0</span> <span class="mh">0x80000000</span> <span class="mh">0x600c1</span> <span class="mh">0x80000000</span> <span class="mh">0x0</span> <span class="mh">0x7fff0000</span><span class="p">&gt;;</span>
  <span class="nf">ibm,lane-eq</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x54545454</span> <span class="mh">0x54545454</span> <span class="mh">0x54545454</span> <span class="mh">0x54545454</span> <span class="mh">0x54545454</span>
                 <span class="mh">0x54545454</span> <span class="mh">0x54545454</span> <span class="mh">0x54545454</span> <span class="mh">0x77777777</span> <span class="mh">0x77777777</span>
                 <span class="mh">0x77777777</span> <span class="mh">0x77777777</span><span class="p">&gt;;</span>
  <span class="nf">status</span> <span class="o">=</span> <span class="s">&quot;okay&quot;</span><span class="p">;</span>
  <span class="nf">#interrupt-cells</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x1</span><span class="p">&gt;;</span>
  <span class="nf">bus-range</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x0</span> <span class="mh">0xff</span><span class="p">&gt;;</span>
  <span class="nf">interrupt-parent</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x126</span><span class="p">&gt;;</span>
  <span class="nf">#address-cells</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x3</span><span class="p">&gt;;</span>
  <span class="nf">ibm,opal-phbid</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x0</span> <span class="mh">0x3</span><span class="p">&gt;;</span>
  <span class="nf">ibm,opal-pest-table</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x0</span> <span class="mh">0x543e2000</span> <span class="mh">0x2000</span><span class="p">&gt;;</span>
  <span class="nf">ibm,chip-id</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x0</span><span class="p">&gt;;</span>
  <span class="nf">#size-cells</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x2</span><span class="p">&gt;;</span>
  <span class="nf">ibm,opal-m64-segment-splits</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x200</span> <span class="mh">0x1</span> <span class="mh">0xc</span> <span class="mh">0x0</span> <span class="mh">0x1</span> <span class="mh">0x2</span> <span class="mh">0xc</span> <span class="mh">0x0</span><span class="p">&gt;;</span>
  <span class="nf">ibm,opal-m64-window</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x60200</span> <span class="mh">0x0</span> <span class="mh">0x60200</span> <span class="mh">0x0</span> <span class="mh">0x40</span> <span class="mh">0x0</span><span class="p">&gt;;</span>
  <span class="nf">phandle</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x617</span><span class="p">&gt;;</span>
  <span class="nf">ibm,phb-stack</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0xd8</span><span class="p">&gt;;</span>
  <span class="nf">ibm,phb-index</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x3</span><span class="p">&gt;;</span>
  <span class="nf">ibm,phb-pec-index</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x2</span><span class="p">&gt;;</span> <span class="cm">/* skiboot-v6.2 or later */</span>
  <span class="nf">reg</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x600c3</span> <span class="mh">0xc0300000</span> <span class="mh">0x0</span> <span class="mh">0x1000</span> <span class="mh">0x600c3</span> <span class="mh">0x60000000</span> <span class="mh">0x0</span> <span class="mh">0x10000000</span><span class="p">&gt;;</span>
  <span class="nf">ibm,mmio-windows</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x60200</span> <span class="mh">0x0</span> <span class="mh">0x40</span> <span class="mh">0x0</span> <span class="mh">0x600c1</span> <span class="mh">0x80000000</span> <span class="mh">0x0</span> <span class="mh">0x80000000</span><span class="p">&gt;;</span>
  <span class="nf">clock-frequency</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x200</span> <span class="mh">0x0</span><span class="p">&gt;;</span>
  <span class="nf">ibm,xscom-bases</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x4011400</span> <span class="mh">0x4011440</span> <span class="mh">0xf010800</span> <span class="mh">0xf010840</span> <span class="mh">0xf010900</span><span class="p">&gt;;</span>
  <span class="nf">ibm,opal-reserved-pe</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x1ff</span><span class="p">&gt;;</span>
  <span class="nf">ibm,capp-timebase-sync</span> <span class="o">=</span> <span class="p">[</span><span class="mo">00</span><span class="p">];</span>
  <span class="nf">ibm,opal-available-m64-ranges</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x1</span> <span class="mh">0x1f</span><span class="p">&gt;;</span>
  <span class="nf">ibm,opal-rtt-table</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x0</span> <span class="mh">0x54380000</span> <span class="mh">0x20000</span><span class="p">&gt;;</span>
  <span class="nf">ibm,opal-msi-ranges</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0xfc000</span> <span class="mh">0xff8</span><span class="p">&gt;;</span>

  <span class="nc">pci</span><span class="nf">@0</span> <span class="p">{</span>
    <span class="nf">device_type</span> <span class="o">=</span> <span class="s">&quot;pciex&quot;</span><span class="p">;</span>
    <span class="nf">revision-id</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x0</span><span class="p">&gt;;</span>
    <span class="nf">ibm,pci-config-space-type</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x1</span><span class="p">&gt;;</span>
    <span class="nf">interrupt-map-mask</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x7</span><span class="p">&gt;;</span>
    <span class="nf">class-code</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x60400</span><span class="p">&gt;;</span>
    <span class="nf">ranges</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x2000000</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x2000000</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0xf0000000</span> <span class="mh">0x0</span><span class="p">&gt;;</span>
    <span class="nf">vendor-id</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x1014</span><span class="p">&gt;;</span>
    <span class="nf">#interrupt-cells</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x1</span><span class="p">&gt;;</span>
    <span class="nf">#address-cells</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x3</span><span class="p">&gt;;</span>
    <span class="nf">interrupt-map</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x1</span> <span class="mh">0x126</span> <span class="mh">0xfcff8</span> <span class="mh">0x1</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x2</span> <span class="mh">0x126</span>
                     <span class="mh">0xfcff9</span> <span class="mh">0x1</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x3</span> <span class="mh">0x126</span> <span class="mh">0xfcffa</span> <span class="mh">0x1</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x0</span>
                     <span class="mh">0x4</span> <span class="mh">0x126</span> <span class="mh">0xfcffb</span> <span class="mh">0x1</span><span class="p">&gt;;</span>
    <span class="nf">#size-cells</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x2</span><span class="p">&gt;;</span>
    <span class="nf">device-id</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x4c1</span><span class="p">&gt;;</span>
    <span class="nf">phandle</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x622</span><span class="p">&gt;;</span>
    <span class="nf">reg</span> <span class="o">=</span> <span class="p">&lt;</span><span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x0</span> <span class="mh">0x0</span><span class="p">&gt;;</span>
  <span class="p">};</span>
<span class="p">};</span>
</pre></div>
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