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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_sys_config.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">系统参数配置</h1><div class="date inPage">2 Dec 2024</div><div style="color: gray;">
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Read time: 2 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><div class="- topic/p p" data-ofbid="d305045e22__20250121171809">系统参数主要存放于
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<span class="+ topic/ph sw-d/filepath ph filepath">target/<var class="+ topic/keyword sw-d/varname keyword varname">board</var>/common/<var class="+ topic/keyword sw-d/varname keyword varname">board</var>.dtsi</span>
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文件中，例如 <span class="+ topic/ph sw-d/filepath ph filepath">target/d211/common/d211.dtsi</span>。模块系统参数随着 IC
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的变化而改变，不建议用户修改。各类型显示屏常见的系统参数如下所示：<ul class="- topic/ul ul" id="display_system_parameters_configuration__ul_qfk_zvf_d1c" data-ofbid="display_system_parameters_configuration__ul_qfk_zvf_d1c"><li class="- topic/li li" data-ofbid="d305045e37__20250121171809"><a class="- topic/xref xref" href="display_parameter_display_fb0.html">Display FB0</a><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_system_parameters_configuration__codeblock_wqn_bwf_d1c" data-ofbid="display_system_parameters_configuration__codeblock_wqn_bwf_d1c">display-fb {
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compatible = <span class="hl-string">"artinchip,aic-framebuffer"</span>;
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#address-cells = <<span class="hl-number">1</span>>;
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#size-cells = <<span class="hl-number">0</span>>;
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fb0: fb@<span class="hl-number">0</span> {
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reg = <<span class="hl-number">0x0</span> <span class="hl-number">0x0</span>>;
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};
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};</pre></li><li class="- topic/li li" data-ofbid="d305045e43__20250121171809"><a class="- topic/xref xref" href="display_parameter_display_engine.html">Display Engine</a><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_system_parameters_configuration__codeblock_tcr_bwf_d1c" data-ofbid="display_system_parameters_configuration__codeblock_tcr_bwf_d1c">de0: de@<span class="hl-number">18</span>a00000 {
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#address-cells = <<span class="hl-number">1</span>>;
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#size-cells = <<span class="hl-number">0</span>>;
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compatible = <span class="hl-string">"artinchip,aic-de-v1.0"</span>;
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reg = <<span class="hl-number">0x0</span> <span class="hl-number">0x18a00000</span> <span class="hl-number">0x0</span> <span class="hl-number">0x1000</span>>;
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interrupts-extended = <&plic0 <span class="hl-number">59</span> IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cmu CLK_DE>, <&cmu CLK_PIX>;
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clock-names = <span class="hl-string">"de0"</span>, <span class="hl-string">"pix"</span>;
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resets = <&rst RESET_DE>;
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reset-names = <span class="hl-string">"de0"</span>;
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mclk-rate = <<span class="hl-number">200000000</span>>;
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};</pre></li><li class="- topic/li li" data-ofbid="d305045e49__20250121171809"><a class="- topic/xref xref" href="display_parameter_display_interface.html#display_dts_parameter_display_interface__section_jqx_xxf_d1c">RGB Display Interface</a><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_system_parameters_configuration__codeblock_fnt_bwf_d1c" data-ofbid="display_system_parameters_configuration__codeblock_fnt_bwf_d1c">rgb0: rgb@<span class="hl-number">18800000</span> {
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#address-cells = <<span class="hl-number">1</span>>;
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#size-cells = <<span class="hl-number">0</span>>;
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compatible = <span class="hl-string">"artinchip,aic-rgb-v1.0"</span>;
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reg = <<span class="hl-number">0x0</span> <span class="hl-number">0x18800000</span> <span class="hl-number">0x0</span> <span class="hl-number">0x1000</span>>;
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clocks = <&cmu CLK_RGB>, <&cmu CLK_SCLK>;
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clock-names = <span class="hl-string">"rgb0"</span>, <span class="hl-string">"sclk"</span>;
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resets = <&rst RESET_RGB>;
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reset-names = <span class="hl-string">"rgb0"</span>;
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};</pre></li><li class="- topic/li li" data-ofbid="d305045e55__20250121171809"><a class="- topic/xref xref" href="display_parameter_display_interface.html#display_dts_parameter_display_interface__section_jqx_xxf_d1c">RGB Display Interface</a><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_system_parameters_configuration__codeblock_wlw_bwf_d1c" data-ofbid="display_system_parameters_configuration__codeblock_wlw_bwf_d1c">lvds0: lvds@<span class="hl-number">18810000</span> {
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#address-cells = <<span class="hl-number">1</span>>;
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#size-cells = <<span class="hl-number">0</span>>;
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compatible = <span class="hl-string">"artinchip,aic-lvds-v1.0"</span>;
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reg = <<span class="hl-number">0x0</span> <span class="hl-number">0x18810000</span> <span class="hl-number">0x0</span> <span class="hl-number">0x1000</span>>;
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clocks = <&cmu CLK_LVDS>, <&cmu CLK_SCLK>;
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clock-names = <span class="hl-string">"lvds0"</span>, <span class="hl-string">"sclk"</span>;
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resets = <&rst RESET_LVDS>;
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reset-names = <span class="hl-string">"lvds0"</span>;
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};</pre></li><li class="- topic/li li" data-ofbid="d305045e61__20250121171809"><a class="- topic/xref xref" href="display_parameter_display_interface.html#display_dts_parameter_display_interface__section_e41_txf_d1c">MIPI-DSI Display Interface</a><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_system_parameters_configuration__codeblock_qky_bwf_d1c" data-ofbid="display_system_parameters_configuration__codeblock_qky_bwf_d1c">dsi0: dsi@<span class="hl-number">18820000</span> {
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#address-cells = <<span class="hl-number">1</span>>;
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#size-cells = <<span class="hl-number">0</span>>;
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compatible = <span class="hl-string">"artinchip,aic-mipi-dsi-v1.0"</span>;
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reg = <<span class="hl-number">0x0</span> <span class="hl-number">0x18820000</span> <span class="hl-number">0x0</span> <span class="hl-number">0x1000</span>>;
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clocks = <&cmu CLK_MIPIDSI>, <&cmu CLK_SCLK>;
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clock-names = <span class="hl-string">"dsi0"</span>, <span class="hl-string">"sclk"</span>;
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resets = <&rst RESET_MIPIDSI>;
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reset-names = <span class="hl-string">"dsi0"</span>;
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interrupts-extended = <&plic0 <span class="hl-number">56</span> IRQ_TYPE_LEVEL_HIGH>;
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data-lanes = <<span class="hl-number">0</span> <span class="hl-number">1</span> <span class="hl-number">2</span> <span class="hl-number">3</span>>;
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lane-polarities = <<span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span>>;
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};</pre></li><li class="- topic/li li" data-ofbid="d305045e67__20250121171809"><a class="- topic/xref xref" href="display_parameter_display_interface.html#display_dts_parameter_display_interface__section_e41_txf_d1c">MIPI-DSI Display Interface</a><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_system_parameters_configuration__codeblock_aym_fmr_gdc" data-ofbid="display_system_parameters_configuration__codeblock_aym_fmr_gdc">dbi0: dbi@<span class="hl-number">18800004</span> {
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#address-cells = <<span class="hl-number">1</span>>;
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#size-cells = <<span class="hl-number">0</span>>;
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compatible = <span class="hl-string">"artinchip,aic-dbi-v1.0"</span>;
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reg = <<span class="hl-number">0x0</span> <span class="hl-number">0x18800000</span> <span class="hl-number">0x0</span> <span class="hl-number">0x1000</span>>;
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clocks = <&cmu CLK_DBI>, <&cmu CLK_SCLK>;
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clock-names = <span class="hl-string">"dbi0"</span>, <span class="hl-string">"sclk"</span>;
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resets = <&rst RESET_DBI>;
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reset-names = <span class="hl-string">"dbi0"</span>;
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};</pre></li></ul></div></div></article></main></div>
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