<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[V851S DVP DTS&#x2F;.fex 设置]]></title><description><![CDATA[<p dir="auto">大家好，在我的基于 V851S 的主板上通过 MIPI-CSI 成功使用 GC2053 后，我尝试使用 OV5640（应该受支持，因为它有驱动程序）来验证 DVP 端口是否正常工作。</p>
<p dir="auto">现在我的问题是 DVP 的文档非常混乱。 他们似乎暗示现在应该通过相应地修改 DTS 来设置 DVP，而不是旧的 .fex 格式。 问题在于，与 .fex 相比，DTS 缺少一些定义，例如如何指定 MLCK 引脚？ PLCK 怎么样？ 目前我的配置不会产生任何结果，因为 MLCK 引脚 (NCSI_MLCK) 似乎没有为相机提供时钟。</p>
<p dir="auto">这是我当前的 DTS (如您所见，旧的 GC2053 定义现已禁用以避免出现问题)：</p>
<pre><code class="language-cpp">			sensor0:sensor@0 {
				device_type = "sensor0";
				sensor0_mname = "gc2053_mipi";
				sensor0_twi_cci_id = &lt;1&gt;;
				sensor0_twi_addr = &lt;0x6e&gt;;
				sensor0_mclk_id = &lt;0&gt;;
				sensor0_pos = "rear";
				sensor0_isp_used = &lt;1&gt;;
				sensor0_fmt = &lt;1&gt;;
				sensor0_stby_mode = &lt;0&gt;;
				sensor0_vflip = &lt;1&gt;;
				sensor0_hflip = &lt;0&gt;;
				sensor0_iovdd-supply = &lt;&gt;;
				sensor0_iovdd_vol = &lt;1800000&gt;;
				sensor0_avdd-supply = &lt;&gt;;
				sensor0_avdd_vol = &lt;2800000&gt;;
				sensor0_dvdd-supply = &lt;&gt;;
				sensor0_dvdd_vol = &lt;1200000&gt;;
				sensor0_power_en = &lt;&gt;;
				sensor0_reset = &lt;&amp;pio PA 8 1 0 1 0&gt;;
				sensor0_pwdn = &lt;&amp;pio PA 9 1 0 1 0&gt;;
				/*sensor0_sm_hs = &lt;&amp;pio PE 2 1 0 1 0&gt;;*/
				/*sensor0_sm_vs = &lt;&amp;pio PE 3 1 0 1 0&gt;;*/
				flash_handle = &lt;&amp;flash0&gt;;
				act_handle = &lt;&amp;actuator0&gt;;
				status	= "disabled";
			};
			sensor1:sensor@1 {
				device_type = "sensor1";
				sensor1_mname = "ov5640";
				sensor1_twi_cci_id = &lt;2&gt;;
				sensor1_twi_addr = &lt;0x78&gt;;
				sensor1_mclk_id = &lt;1&gt;;
				sensor1_pos = "front";
				sensor1_isp_used = &lt;1&gt;;
				sensor1_fmt = &lt;1&gt;;
				sensor1_stby_mode = &lt;0&gt;;
				sensor1_vflip = &lt;0&gt;;
				sensor1_hflip = &lt;0&gt;;
				sensor1_iovdd-supply = &lt;&gt;;
				sensor1_iovdd_vol = &lt;1800000&gt;;
				sensor1_avdd-supply = &lt;&gt;;
				sensor1_avdd_vol = &lt;2800000&gt;;
				sensor1_dvdd-supply = &lt;&gt;;
				sensor1_dvdd_vol = &lt;1200000&gt;;
				sensor1_power_en = &lt;&gt;;
				sensor1_reset = &lt;&amp;pio PD 8 1 0 1 0&gt;;
				sensor1_pwdn = &lt;&gt;;
				sensor1_sm_hs = &lt;&amp;pio PE 2 1 0 1 0&gt;;
				sensor1_sm_vs = &lt;&amp;pio PE 3 1 0 1 0&gt;;
				flash_handle = &lt;&gt;;
				act_handle = &lt;&gt;;
				status	= "okay";
			};
</code></pre>
<p dir="auto">这是我的引脚设置：<br />
<img src="/assets/uploads/files/1704051707520-950937f8-5c2d-4e0a-ac46-7d9ed5d6f8ce-image.png" alt="950937f8-5c2d-4e0a-ac46-7d9ed5d6f8ce-image.png" class=" img-responsive img-markdown" width="989" height="487" /><br />
<img src="/assets/uploads/files/1704051723317-f80e393a-2509-436c-b1ee-2681e74d9364-image.png" alt="f80e393a-2509-436c-b1ee-2681e74d9364-image.png" class=" img-responsive img-markdown" width="595" height="699" /></p>
<p dir="auto">谁能确认我是否需要使用 DTS 或 .fex 才能使其正常工作？ 如果是这样，我如何指定 NCSI_MLCK 和 PLCK 引脚?</p>
]]></description><link>https://bbs.aw-ol.com/topic/4873/v851s-dvp-dts-fex-设置</link><generator>RSS for Node</generator><lastBuildDate>Sun, 19 Jul 2026 22:48:12 GMT</lastBuildDate><atom:link href="https://bbs.aw-ol.com/topic/4873.rss" rel="self" type="application/rss+xml"/><pubDate>Sun, 31 Dec 2023 19:42:38 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to V851S DVP DTS&#x2F;.fex 设置 on Wed, 21 May 2025 07:51:19 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="https://bbs.aw-ol.com/uid/4059">@kanken6174</a>  参考文档：<a href="https://docs.aw-ol.com/docs/soc/v821/camera/init_sensor" target="_blank" rel="noopener noreferrer nofollow ugc">https://docs.aw-ol.com/docs/soc/v821/camera/init_sensor</a></p>
<pre><code>csi_mclk1_pins_a: csi_mclk1@0 {
	pins = "PD2";
	function = "ncsi";
	allwinner,drive = &lt;0&gt;;
};

csi_mclk1_pins_b: csi_mclk1@1 {
	pins = "PD2";
	function = "gpio_in";
};
sensor0:sensor@0 {
      sensor0_mclk_id = &lt;1&gt;;
</code></pre>
]]></description><link>https://bbs.aw-ol.com/post/26240</link><guid isPermaLink="true">https://bbs.aw-ol.com/post/26240</guid><dc:creator><![CDATA[indream]]></dc:creator><pubDate>Wed, 21 May 2025 07:51:19 GMT</pubDate></item></channel></rss>