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<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="description" content="RGB Display Interface &rgb0 { pinctrl-names = "default" ; pinctrl- 0 = <&lcd_pins>; status = "okay" ; port@ 0 { reg = < 0 >; rgb0_in: endpoint { remote-endpoint = <&de0_out>; }; }; port@ 1 { reg = < 1 ..."/><meta name="DC.rights.owner" content="(C) 版权 2025"/><meta name="copyright" content="(C) 版权 2025"/><meta name="generator" content="DITA-OT"/><meta name="DC.type" content="concept"/><meta name="DC.contributor" content="yan.wang"/><meta name="DC.date.modified" content="2024-11-22"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="display_dts_parameter_display_interface"/><meta name="DC.language" content="zh-CN"/><title>Display Interface</title><!-- Build number 2023110923. --><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content=""/><meta name="wh-source-relpath" content="topics/sdk/display/display_parameter_display_interface.dita"/><meta name="wh-out-relpath" content="topics/sdk/display/display_parameter_display_interface.html"/>
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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/display/display_parameter_display_interface.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">Display Interface</h1><div class="date inPage">22 Nov 2024</div><div style="color: gray;">
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Read time: 4 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><section class="- topic/section section" id="display_dts_parameter_display_interface__section_jqx_xxf_d1c" data-ofbid="display_dts_parameter_display_interface__section_jqx_xxf_d1c"><h2 class="- topic/title title sectiontitle">RGB Display Interface</h2>
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<div class="- topic/p p" data-ofbid="d266130e27__20250121171733">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_dts_parameter_display_interface__codeblock_zp1_1yf_d1c" data-ofbid="display_dts_parameter_display_interface__codeblock_zp1_1yf_d1c">&rgb0 {
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pinctrl-names = <span class="hl-string">"default"</span>;
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pinctrl-<span class="hl-number">0</span> = <&lcd_pins>;
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status = <span class="hl-string">"okay"</span>;
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port@<span class="hl-number">0</span> {
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reg = <<span class="hl-number">0</span>>;
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rgb0_in: endpoint {
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remote-endpoint = <&de0_out>;
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};
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};
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port@<span class="hl-number">1</span> {
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reg = <<span class="hl-number">1</span>>;
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rgb0_out: endpoint {
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remote-endpoint = <&panel_rgb_in>;
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};
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};
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};</pre>
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<div class="table-container"><table class="- topic/table table frame-all" id="display_dts_parameter_display_interface__table_ckr_jvs_ldc" data-ofbid="display_dts_parameter_display_interface__table_ckr_jvs_ldc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">RGB Display Interface 参数描述</span></caption><colgroup><col style="width:20.370370370370374%"/><col style="width:79.62962962962962%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_interface__table_ckr_jvs_ldc__entry__1">参数名称</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_dts_parameter_display_interface__table_ckr_jvs_ldc__entry__2">描述</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_ckr_jvs_ldc__entry__1">pinctrl-names</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_ckr_jvs_ldc__entry__2">设置为“default” 。<p class="- topic/p p" data-ofbid="d266130e50__20250121171733">SDK 预先定义了需要用到的同一功能的端口组，方便后续直接使用，可在
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<span class="+ topic/ph sw-d/filepath ph filepath">target/aicxxx/common/aicxxx-pinctrl.dtsi</span>
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文件中查看定义。</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_ckr_jvs_ldc__entry__1">pinctrl-0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_ckr_jvs_ldc__entry__2">指示 rgb 显示接口预先定义的端口组。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_ckr_jvs_ldc__entry__1">port@0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_ckr_jvs_ldc__entry__2">数据输入端口，连接 display engine 结点</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_interface__table_ckr_jvs_ldc__entry__1">port@1</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_dts_parameter_display_interface__table_ckr_jvs_ldc__entry__2">数据输出端口，连接 panel rgb 结点</td></tr></tbody></table></div>
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</div>
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</section><section class="- topic/section section" id="display_dts_parameter_display_interface__section_rn1_txf_d1c" data-ofbid="display_dts_parameter_display_interface__section_rn1_txf_d1c"><h2 class="- topic/title title sectiontitle">LVDS Display Interface</h2>
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_dts_parameter_display_interface__codeblock_bh2_wxf_d1c" data-ofbid="display_dts_parameter_display_interface__codeblock_bh2_wxf_d1c">&lvds0 {
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pinctrl-names = <span class="hl-string">"default"</span>;
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pinctrl-<span class="hl-number">0</span> = <&lvds0_pins>;
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lines = <<span class="hl-number">0x43210</span>>;
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link-swap = <<span class="hl-number">0</span>>;
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status = <span class="hl-string">"okay"</span>;
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port@<span class="hl-number">0</span> {
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reg = <<span class="hl-number">0</span>>;
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lvds0_in: endpoint {
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remote-endpoint = <&de0_out>;
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};
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};
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port@<span class="hl-number">1</span> {
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reg = <<span class="hl-number">1</span>>;
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lvds0_out: endpoint {
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remote-endpoint = <&panel_lvds_in>;
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};
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};
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};</pre>
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<div class="table-container"><table class="- topic/table table frame-all" id="display_dts_parameter_display_interface__table_cjz_kws_ldc" data-ofbid="display_dts_parameter_display_interface__table_cjz_kws_ldc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">LVDS Display Interface 参数描述</span></caption><colgroup><col style="width:20.370370370370374%"/><col style="width:79.62962962962962%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_interface__table_cjz_kws_ldc__entry__1">参数名称</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_dts_parameter_display_interface__table_cjz_kws_ldc__entry__2">描述</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_cjz_kws_ldc__entry__1">pinctrl-names</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_cjz_kws_ldc__entry__2">设置为“default” 。<p class="- topic/p p" data-ofbid="d266130e98__20250121171733">SDK 预先定义了需要用到的同一功能的端口组，方便后续直接使用，可在
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<span class="+ topic/ph sw-d/filepath ph filepath">target/aicxxx/common/aicxxx-pinctrl.dtsi</span>
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文件中查看定义。</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_cjz_kws_ldc__entry__1">pinctrl-0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_cjz_kws_ldc__entry__2">指示 lvds 显示接口预先定义的端口组。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_cjz_kws_ldc__entry__1">port@0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_cjz_kws_ldc__entry__2">数据输入端口，连接 display engine 结点</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_interface__table_cjz_kws_ldc__entry__1">port@1</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_dts_parameter_display_interface__table_cjz_kws_ldc__entry__2">数据输出端口，连接 panel lvds 结点</td></tr></tbody></table></div>
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<div class="table-container"><table class="- topic/table table frame-all" id="display_dts_parameter_display_interface__table_vng_pws_ldc" data-ofbid="display_dts_parameter_display_interface__table_vng_pws_ldc" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 3</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">LVDS Display Interface 非必需参数描述</span></caption><colgroup><col style="width:13.869625520110956%"/><col style="width:19.001386962552015%"/><col style="width:67.12898751733704%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__1">参数名称</th><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__2">类型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__3">描述</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__1">link-swap</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__2">Integer</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__3">link0 与 link1 整组交换</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__1">lines</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__2">Integer</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__3">控制 lvds link 内部 5 个通道的差分信号输出，允许 5 对差分信号任意互换。5 个通道分别为 D3 CK D2 D1
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D0，缺省值为 0x43210：<ul class="- topic/ul ul" id="display_dts_parameter_display_interface__ul_tjh_vws_ldc" data-ofbid="display_dts_parameter_display_interface__ul_tjh_vws_ldc"><li class="- topic/li li" data-ofbid="d266130e150__20250121171733">
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<p class="- topic/p p" data-ofbid="d266130e152__20250121171733">0x43210 表示 D3 通道输出 D3，CK 通道输出 CK，D2 通道输出 D2，D1 通道输出 D1，D0
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通道输出 D0</p>
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</li><li class="- topic/li li" data-ofbid="d266130e155__20250121171733">
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<p class="- topic/p p" data-ofbid="d266130e157__20250121171733">0x01234 表示 D3 通道输出 D0，CK 通道输出 D1，D2 通道输出 D2，D1 通道输出 CK，D0
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通道输出 D3。</p>
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</li></ul></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__1">pols</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__2">Integer</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__3">LVDS 差分信号极性控制。低 5 bit 分别控制 LVDS 五个通道差分信号的极性。通道顺序为 D3 CK D2 D1
|
|||
|
|
D0。<p class="- topic/p p" data-ofbid="d266130e167__20250121171733">0x3 表示 D1 D0 通道极性反相，0x8 表示 CK 通道反相。</p><p class="- topic/p p" data-ofbid="d266130e169__20250121171733">pols 属性受 lines
|
|||
|
|
属性影响，如果 CK 通道选择输出 D0，则该 bit 控制 D0 相位，0x8 表示 D0 反相。</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__1">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d266130e174__20250121171733">sync-ctrl</p>
|
|||
|
|
</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__2">Boolean</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__3">同步前端信号模式，默认开启。防止前端输出半帧数据时打开 LVDS 模块，出现显示异常</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__1">phys</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__2">Integer</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_dts_parameter_display_interface__table_vng_pws_ldc__entry__3">LVDS 参考电压控制。数值直接写入 LVDS_0_PHY_CTL 和 LVDS_1_PHY_CTL
|
|||
|
|
寄存器，参考芯片用户手册进行配置。</td></tr></tbody></table></div>
|
|||
|
|
<div class="- topic/note note note note_note" id="display_dts_parameter_display_interface__note_exw_5xf_d1c" data-ofbid="display_dts_parameter_display_interface__note_exw_5xf_d1c"><span class="note__title">注：</span>
|
|||
|
|
<p class="- topic/p p" data-ofbid="d266130e191__20250121171733">lines、pols 和 phys 属性会同时作用于 link0 和 link1。</p>
|
|||
|
|
</div>
|
|||
|
|
</section><section class="- topic/section section" id="display_dts_parameter_display_interface__section_e41_txf_d1c" data-ofbid="display_dts_parameter_display_interface__section_e41_txf_d1c"><h2 class="- topic/title title sectiontitle">MIPI-DSI Display Interface</h2>
|
|||
|
|
|
|||
|
|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_dts_parameter_display_interface__codeblock_b2c_5xf_d1c" data-ofbid="display_dts_parameter_display_interface__codeblock_b2c_5xf_d1c">&dsi0 {
|
|||
|
|
pinctrl-names = <span class="hl-string">"default"</span>;
|
|||
|
|
pinctrl-<span class="hl-number">0</span> = <&dsi_pins>;
|
|||
|
|
data-lanes = <<span class="hl-number">3</span> <span class="hl-number">0</span> <span class="hl-number">1</span> <span class="hl-number">2</span>>;
|
|||
|
|
lane-polarities = <<span class="hl-number">1</span> <span class="hl-number">0</span> <span class="hl-number">1</span> <span class="hl-number">0</span>>;
|
|||
|
|
data-clk-inverse;
|
|||
|
|
status = <span class="hl-string">"okay"</span>;
|
|||
|
|
|
|||
|
|
port@<span class="hl-number">0</span> {
|
|||
|
|
reg = <<span class="hl-number">0</span>>;
|
|||
|
|
dsi0_in: endpoint {
|
|||
|
|
remote-endpoint = <&de0_out>;
|
|||
|
|
};
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
port@<span class="hl-number">1</span> {
|
|||
|
|
reg = <<span class="hl-number">1</span>>;
|
|||
|
|
dsi0_out: endpoint {
|
|||
|
|
remote-endpoint = <&panel_dsi_in>;
|
|||
|
|
};
|
|||
|
|
};
|
|||
|
|
};
|
|||
|
|
</pre>
|
|||
|
|
<div class="table-container"><table class="- topic/table table frame-all" id="display_dts_parameter_display_interface__table_yhh_vxs_ldc" data-ofbid="display_dts_parameter_display_interface__table_yhh_vxs_ldc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 4</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">MIPI-DSI Display Interface 参数描述</span></caption><colgroup><col style="width:20.370370370370374%"/><col style="width:79.62962962962962%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_interface__table_yhh_vxs_ldc__entry__1">参数名称</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_dts_parameter_display_interface__table_yhh_vxs_ldc__entry__2">描述</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_yhh_vxs_ldc__entry__1">pinctrl-names</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_yhh_vxs_ldc__entry__2">设置为“default” 。<p class="- topic/p p" data-ofbid="d266130e221__20250121171733">SDK 预先定义了需要用到的同一功能的端口组，方便后续直接使用，可在
|
|||
|
|
<span class="+ topic/ph sw-d/filepath ph filepath">target/aicxxx/common/aicxxx-pinctrl.dtsi</span>
|
|||
|
|
文件中查看定义。</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_yhh_vxs_ldc__entry__1">pinctrl-0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_yhh_vxs_ldc__entry__2">指示 dsi 显示接口预先定义的端口组。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_yhh_vxs_ldc__entry__1">port@0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_yhh_vxs_ldc__entry__2">数据输入端口，连接 display engine 结点</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_interface__table_yhh_vxs_ldc__entry__1">port@1</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_dts_parameter_display_interface__table_yhh_vxs_ldc__entry__2">数据输出端口，连接 panel dsi 结点</td></tr></tbody></table></div>
|
|||
|
|
<div class="table-container"><table class="- topic/table table frame-all" id="display_dts_parameter_display_interface__table_l1l_yxs_ldc" data-ofbid="display_dts_parameter_display_interface__table_l1l_yxs_ldc" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 5</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">MIPI DSI Display Interface 非必需参数描述</span></caption><colgroup><col style="width:13.869625520110956%"/><col style="width:19.001386962552015%"/><col style="width:67.12898751733704%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__1">参数名称</th><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__2">类型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__3">描述</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__1">data-clk-inverse</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__2">Boolean</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__3">CLK Lane 正负极取反</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__1">data-lanes</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__2">Array</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__3">
|
|||
|
|
<div class="- topic/p p" data-ofbid="d266130e272__20250121171733">数据通道输出选择，<ul class="- topic/ul ul" id="display_dts_parameter_display_interface__ul_azb_dys_ldc" data-ofbid="display_dts_parameter_display_interface__ul_azb_dys_ldc"><li class="- topic/li li" data-ofbid="d266130e275__20250121171733">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d266130e277__20250121171733"><0 1 2 3> ：数据通道 0 输出 DATA0，数据通道 1 输出
|
|||
|
|
DATA1，以此类推。默认值。</p>
|
|||
|
|
</li><li class="- topic/li li" data-ofbid="d266130e280__20250121171733">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d266130e282__20250121171733"><3 0 1 2> ：数据通道 0 输出 DATA3，数据通道 1 输出 DATA0，数据通道 2
|
|||
|
|
输出 DATA1，数据通道 3 输出 DATA2</p>
|
|||
|
|
</li><li class="- topic/li li" data-ofbid="d266130e285__20250121171733">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d266130e287__20250121171733">如果是两个 lane，可配置成 <0 1>，数据通道 0 输出 DATA0, 数据通道 1 输出
|
|||
|
|
DATA1</p>
|
|||
|
|
</li></ul></div>
|
|||
|
|
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__1">lane-polarities</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__2">Array</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_dts_parameter_display_interface__table_l1l_yxs_ldc__entry__3">数据通道极性，是否正负极取反，默认为 <0 0 0 0>，与 data-lanes
|
|||
|
|
配置的通道顺序保持一致。<p class="- topic/p p" data-ofbid="d266130e298__20250121171733">data-lanes = <3 0 1 2>; lane-polarities =
|
|||
|
|
<1 0 1 0>; 表示 DATA3 和 DATA1 正负极取反</p></td></tr></tbody></table></div>
|
|||
|
|
</section><section class="- topic/section section" id="display_dts_parameter_display_interface__section_b3j_qmr_gdc" data-ofbid="display_dts_parameter_display_interface__section_b3j_qmr_gdc"><h2 class="- topic/title title sectiontitle">MIPI-DBI Display Interface</h2>
|
|||
|
|
|
|||
|
|
<div class="- topic/p p" data-ofbid="d266130e306__20250121171733">
|
|||
|
|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_dts_parameter_display_interface__codeblock_unb_rmr_gdc" data-ofbid="display_dts_parameter_display_interface__codeblock_unb_rmr_gdc">&dbi0 {
|
|||
|
|
pinctrl-names = <span class="hl-string">"default"</span>;
|
|||
|
|
pinctrl-<span class="hl-number">0</span> = <&lcd_pins>;
|
|||
|
|
status = <span class="hl-string">"okay"</span>;
|
|||
|
|
|
|||
|
|
port@<span class="hl-number">0</span> {
|
|||
|
|
reg = <<span class="hl-number">0</span>>;
|
|||
|
|
dbi0_in: endpoint {
|
|||
|
|
remote-endpoint = <&de0_out>;
|
|||
|
|
};
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
port@<span class="hl-number">1</span> {
|
|||
|
|
reg = <<span class="hl-number">1</span>>;
|
|||
|
|
dbi0_out: endpoint {
|
|||
|
|
remote-endpoint = <&panel_dbi_in>;
|
|||
|
|
};
|
|||
|
|
};
|
|||
|
|
};</pre>
|
|||
|
|
</div>
|
|||
|
|
<div class="table-container"><table class="- topic/table table frame-all" id="display_dts_parameter_display_interface__table_jfj_jys_ldc" data-ofbid="display_dts_parameter_display_interface__table_jfj_jys_ldc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 6</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">MIPI-DBI Display Interface 参数描述</span></caption><colgroup><col style="width:20.370370370370374%"/><col style="width:79.62962962962962%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_interface__table_jfj_jys_ldc__entry__1">参数名称</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_dts_parameter_display_interface__table_jfj_jys_ldc__entry__2">描述</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_jfj_jys_ldc__entry__1">pinctrl-names</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_jfj_jys_ldc__entry__2">设置为“default” 。<p class="- topic/p p" data-ofbid="d266130e330__20250121171733">SDK 预先定义了需要用到的同一功能的端口组，方便后续直接使用，可在
|
|||
|
|
<span class="+ topic/ph sw-d/filepath ph filepath">target/aicxxx/common/aicxxx-pinctrl.dtsi</span>
|
|||
|
|
文件中查看定义。</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_jfj_jys_ldc__entry__1">pinctrl-0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_jfj_jys_ldc__entry__2">指示 dbi 显示接口预先定义的端口组。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_interface__table_jfj_jys_ldc__entry__1">port@0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_interface__table_jfj_jys_ldc__entry__2">数据输入端口，连接 display engine 结点</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_interface__table_jfj_jys_ldc__entry__1">port@1</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_dts_parameter_display_interface__table_jfj_jys_ldc__entry__2">数据输出端口，连接 panel dbi 结点</td></tr></tbody></table></div>
|
|||
|
|
</section></div></article></main></div>
|
|||
|
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|
|||
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|
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|
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|
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</div>
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<nav role="navigation" id="wh_topic_toc" aria-label="On this page" class="col-lg-2 d-none d-lg-block navbar d-print-none">
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<div id="wh_topic_toc_content">
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|||
|
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<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#display_dts_parameter_display_interface__section_jqx_xxf_d1c" data-tocid="display_dts_parameter_display_interface__section_jqx_xxf_d1c">RGB Display Interface</a></div></li><li class="section-item"><div class="section-title"><a href="#display_dts_parameter_display_interface__section_rn1_txf_d1c" data-tocid="display_dts_parameter_display_interface__section_rn1_txf_d1c">LVDS Display Interface</a></div></li><li class="section-item"><div class="section-title"><a href="#display_dts_parameter_display_interface__section_e41_txf_d1c" data-tocid="display_dts_parameter_display_interface__section_e41_txf_d1c">MIPI-DSI Display Interface</a></div></li><li class="section-item"><div class="section-title"><a href="#display_dts_parameter_display_interface__section_b3j_qmr_gdc" data-tocid="display_dts_parameter_display_interface__section_b3j_qmr_gdc">MIPI-DBI Display Interface</a></div></li></ul></div>
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Update Time: 2025-01-21
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