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	<id>https://www.mediawiki.compulab.com/w/index.php?action=history&amp;feed=atom&amp;title=UCM-iMX91L_NXP_iMX91_Linux_Resources</id>
	<title>UCM-iMX91L NXP iMX91 Linux Resources - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://www.mediawiki.compulab.com/w/index.php?action=history&amp;feed=atom&amp;title=UCM-iMX91L_NXP_iMX91_Linux_Resources"/>
	<link rel="alternate" type="text/html" href="https://www.mediawiki.compulab.com/w/index.php?title=UCM-iMX91L_NXP_iMX91_Linux_Resources&amp;action=history"/>
	<updated>2026-04-15T04:48:15Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.mediawiki.compulab.com/w/index.php?title=UCM-iMX91L_NXP_iMX91_Linux_Resources&amp;diff=5684&amp;oldid=prev</id>
		<title>Igor at 11:27, 25 November 2025</title>
		<link rel="alternate" type="text/html" href="https://www.mediawiki.compulab.com/w/index.php?title=UCM-iMX91L_NXP_iMX91_Linux_Resources&amp;diff=5684&amp;oldid=prev"/>
		<updated>2025-11-25T11:27:58Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 11:27, 25 November 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l17&quot; &gt;Line 17:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 17:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| &amp;lt;!-- Useful links --&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| &amp;lt;!-- Useful links --&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [https://www.compulab.com/products/computer-on-modules/ucm-imx91-nxp-imx9-som-system-on-module/ UCM-iMX91L Product Page]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [https://www.compulab.com/products/computer-on-modules/ucm-imx91-nxp-imx9-som-system-on-module/ UCM-iMX91L Product Page]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[UCM-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;iMX91&lt;/del&gt;: Hardware: Revision Notes | UCM-iMX91L Hardware Revision Notes]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[UCM-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;iMX91L&lt;/ins&gt;: Hardware: Revision Notes | UCM-iMX91L Hardware Revision Notes]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;!--Product Change Notifications--&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;!--Product Change Notifications--&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| &amp;lt;!-- Building Yocto and Uboot --&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| &amp;lt;!-- Building Yocto and Uboot --&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Igor</name></author>
		
	</entry>
	<entry>
		<id>https://www.mediawiki.compulab.com/w/index.php?title=UCM-iMX91L_NXP_iMX91_Linux_Resources&amp;diff=5681&amp;oldid=prev</id>
		<title>Igor: Created page with &quot;{{summary| Compulab [https://www.compulab.com/products/system-on-modules/ System on Module (SOM)] products are miniature computer boards designed for integration into custom i...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.mediawiki.compulab.com/w/index.php?title=UCM-iMX91L_NXP_iMX91_Linux_Resources&amp;diff=5681&amp;oldid=prev"/>
		<updated>2025-11-25T11:25:53Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{summary| Compulab [https://www.compulab.com/products/system-on-modules/ System on Module (SOM)] products are miniature computer boards designed for integration into custom i...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{summary|&lt;br /&gt;
Compulab [https://www.compulab.com/products/system-on-modules/ System on Module (SOM)] products are miniature computer boards designed for integration into custom industrial applications.&amp;lt;/br&amp;gt;&lt;br /&gt;
[https://www.compulab.com/products/computer-on-modules/ucm-imx91-nxp-imx9-som-system-on-module/ UCM-iMX91L System on Module] based on the NXP i.MX91 application processor features a highly scalable Cortex-A55 CPU.&amp;lt;/br&amp;gt;&lt;br /&gt;
UCM-iMX91L is provided with comprehensive documentation and full ready-to-run support for the Linux operating system.&amp;lt;/br&amp;gt;                                                                                                                                                                                                                                                                                                                                             &lt;br /&gt;
|Ucm-imx93l system-on-module.png|thumb}}&lt;br /&gt;
&lt;br /&gt;
{{Resources Yocto&lt;br /&gt;
| &amp;lt;!-- Evaluation --&amp;gt;&lt;br /&gt;
* [[UCM-iMX91L: Evaluation Kit: Getting Started|Eval-kit Quick Start Guide]]&lt;br /&gt;
* [[UCM-iMX91: Evaluation Kit: Hardware Guide|Eval-Kit Hardware Guide]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: Manual Installation: SD card|Installing Yocto on SD card]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: Installing Yocto images onto UCM-iMX91 eMMC| Installing Yocto onto on-board eMMC]]&lt;br /&gt;
* [[UCM-iMX91L: Yocto Linux: Known Issues|Known Issues]]&lt;br /&gt;
| &amp;lt;!-- Support --&amp;gt;&lt;br /&gt;
* [[Compulab Technical Support | Getting Technical Support]]&lt;br /&gt;
* [https://supportdb.compulab-systems.net/ Engineering Support Portal]&lt;br /&gt;
| &amp;lt;!-- Useful links --&amp;gt;&lt;br /&gt;
* [https://www.compulab.com/products/computer-on-modules/ucm-imx91-nxp-imx9-som-system-on-module/ UCM-iMX91L Product Page]&lt;br /&gt;
* [[UCM-iMX91: Hardware: Revision Notes | UCM-iMX91L Hardware Revision Notes]]&lt;br /&gt;
* &amp;lt;!--Product Change Notifications--&amp;gt;&lt;br /&gt;
| &amp;lt;!-- Building Yocto and Uboot --&amp;gt;&lt;br /&gt;
* [[ Yocto: Setting Up Build Environment | Setting Up Yocto Build Environment]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: Building UCM-iMX91 Yocto images|Building Yocto Linux images]]&lt;br /&gt;
*[https://github.com/compulab-yokneam/meta-bsp-imx9/blob/scarthgap/Documentation/linux_kernel_build.md Building Linux Kernel]&lt;br /&gt;
&amp;lt;!--&lt;br /&gt;
*[https://github.com/compulab-yokneam/meta-bsp-imx95/blob/scarthgap/Documentation/imx_boot_image_build.md Building Boot Firmware]&lt;br /&gt;
--&amp;gt;&lt;br /&gt;
* [[ Yocto: Common Yocto Build Errors |  Common Yocto Build Errors ]]&lt;br /&gt;
| &amp;lt;!-- Customizing Yocto --&amp;gt;&lt;br /&gt;
*[[Yocto: Introduction to Yocto development|Introduction to Yocto development]]&lt;br /&gt;
*[[Yocto: Making Changes to Yocto Meta-Layers|Making Changes to Yocto Meta-Layers]]&lt;br /&gt;
*[[Yocto: Introduction to Device Trees|Introduction to Device Trees]]&lt;br /&gt;
*[[Yocto: I/O Configuration and Device Tree Customization | Configuring I/O - Device Tree Customization]]&lt;br /&gt;
&amp;lt;!-- * Custom Display Adaptation--&amp;gt;&lt;br /&gt;
*[https://github.com/compulab-yokneam/meta-mender-compulab/tree/scarthgap-nxp Creating OTA update enabled images with Mender]&lt;br /&gt;
| &amp;lt;!-- Using SOM Interfaces and Functions #1 --&amp;gt;&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#ADC|ADC]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#CAN|CAN bus]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#Cellular_Modem|Cellular Modem]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#CPU_temperature|CPU temperature]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#GPIO|GPIO]]&lt;br /&gt;
| &amp;lt;!-- Using SOM Interfaces and Functions #2 --&amp;gt;&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#I2C|I2C]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#RTC|RTC]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#Serial Console|Serial Console]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#Device Serial Number|SOM Serial Number]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#SPI|SPI]]&lt;br /&gt;
| &amp;lt;!-- Using SOM Interfaces and Functions #3 --&amp;gt;&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#Suspend_.2F_Resume|Suspend Mode]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#UART|UART]]&lt;br /&gt;
* [[UCM-iMX91: Yocto Linux: How-To Guide#USB|USB]]&lt;br /&gt;
| &amp;lt;!-- Application Notes --&amp;gt;&lt;br /&gt;
&amp;lt;!-- *[[Application Notes: Image Deployment in Mass Production|Image Deployment in Mass Production]]--&amp;gt;&lt;br /&gt;
*[[Application Notes: eMMC lifetime optimization|Optimizing eMMC lifetime and reliability]]&lt;br /&gt;
&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
__NOTOC__&lt;br /&gt;
{{note|1=From time to time Compulab releases new software versions for UCM-iMX91 in order to fix bugs, address component changes and add functionality. It is highly recommended to subscribe to the [[Image:Feed-icon.png|16px]] [{{fullurl:{{FULLPAGENAME}}|action=feed}} '''UCM-iMX91 RSS Feed'''] in order to receive automatic notifications about software updates.}}&lt;br /&gt;
&lt;br /&gt;
{{ChangelogReleaseHistoryRss| content=&lt;br /&gt;
===== 25-11-2025, UCM-iMX91L Yocto Linux 1.0 ([[UCM-iMX91: Yocto Linux: Release Notes#DD-MM-2025_UCM-iMX91_Yocto_Linux_1.0|release notes]]) ===== &lt;br /&gt;
: Yocto 5.0 (Scarthgap LTS) based on NXP 6.6-scarthgap&lt;br /&gt;
: - U-Boot 2024.04 based on NXP lf_v2024.04&lt;br /&gt;
: - Kernel 6.6.52 based on NXP lf-6.6.y&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Linux]]&lt;br /&gt;
[[Category:Yocto]]&lt;br /&gt;
[[Category:UCM-iMX91L]]&lt;/div&gt;</summary>
		<author><name>Igor</name></author>
		
	</entry>
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