topic What could be causing the SPI bus Linux Driver, not to function on iMX6Q. in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/What-could-be-causing-the-SPI-bus-Linux-Driver-not-to-function/m-p/653113#M99977 <HTML><HEAD></HEAD><BODY><P>I am writing an application to Stream video over SPI from a Veriscite DART SOM, to a ARM Cortex-M3.</P><P>The Linux image is Yocto Krogoth:</P><UL><LI><SPAN>git clone </SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=https%3A%2F%2Fgithub.com%2Fvarigit%2Flinux-2.6-imx.git" rel="nofollow" target="_blank">https://github.com/varigit/linux-2.6-imx.git</A></LI></UL><P>this is the kernel error message: </P><UL><LI>spi_master spi0: cannot find modalias for /soc/aips-bus@02000000/spba-bus@02000000/ecspi@02008000/ecspi1grp</LI><LI>spi_master spi0: Failed to create SPI device for /soc/aips-bus@02000000/spba-bus@02000000/ecspi@02008000/ecspi1grp</LI><LI>spi_imx 2008000.ecspi: probed</LI></UL></BODY></HTML> Fri, 30 Dec 2016 19:12:59 GMT michaelbrainerd 2016-12-30T19:12:59Z What could be causing the SPI bus Linux Driver, not to function on iMX6Q. https://community.nxp.com/t5/i-MX-Processors/What-could-be-causing-the-SPI-bus-Linux-Driver-not-to-function/m-p/653113#M99977 <HTML><HEAD></HEAD><BODY><P>I am writing an application to Stream video over SPI from a Veriscite DART SOM, to a ARM Cortex-M3.</P><P>The Linux image is Yocto Krogoth:</P><UL><LI><SPAN>git clone </SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=https%3A%2F%2Fgithub.com%2Fvarigit%2Flinux-2.6-imx.git" rel="nofollow" target="_blank">https://github.com/varigit/linux-2.6-imx.git</A></LI></UL><P>this is the kernel error message: </P><UL><LI>spi_master spi0: cannot find modalias for /soc/aips-bus@02000000/spba-bus@02000000/ecspi@02008000/ecspi1grp</LI><LI>spi_master spi0: Failed to create SPI device for /soc/aips-bus@02000000/spba-bus@02000000/ecspi@02008000/ecspi1grp</LI><LI>spi_imx 2008000.ecspi: probed</LI></UL></BODY></HTML> Fri, 30 Dec 2016 19:12:59 GMT https://community.nxp.com/t5/i-MX-Processors/What-could-be-causing-the-SPI-bus-Linux-Driver-not-to-function/m-p/653113#M99977 michaelbrainerd 2016-12-30T19:12:59Z Re: What could be causing the SPI bus Linux Driver, not to function on iMX6Q. https://community.nxp.com/t5/i-MX-Processors/What-could-be-causing-the-SPI-bus-Linux-Driver-not-to-function/m-p/653114#M99978 <HTML><HEAD></HEAD><BODY><P>Hi Michael</P><P></P><P>some boards may have pin conflicts ecspi1 with other modules, like imx6qdl-sabreauto.dtsi :</P><P><A class="link-titled" href="http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi?h=imx_4.1.15_1.0.0_ga" title="http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi?h=imx_4.1.15_1.0.0_ga">linux-2.6-imx.git - Freescale i.MX Linux Tree</A>&nbsp;</P><P>so one carefully check ecspi1 muxing options</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 04 Jan 2017 08:28:18 GMT https://community.nxp.com/t5/i-MX-Processors/What-could-be-causing-the-SPI-bus-Linux-Driver-not-to-function/m-p/653114#M99978 igorpadykov 2017-01-04T08:28:18Z