topic Re: How to accelerate the GPIO speed in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969740#M144442 <HTML><HEAD></HEAD><BODY><P>Hi,igorpadykov</P><P>&nbsp; &nbsp; &nbsp;I download the sdk,How do I use these files in Linux 4.1.15 for imx6sx?</P></BODY></HTML> Thu, 12 Sep 2019 00:48:02 GMT jingyangxie 2019-09-12T00:48:02Z How to accelerate the GPIO speed https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969735#M144437 <HTML><HEAD></HEAD><BODY><P>I have an imx6sx motherboard that uses GPIO to simulate serial bus output. According to the manual, set SPEED = 11, SRE = 1, DSE = 2, and find that the clock output of GPIO analog is only a few hundred K. How can I increase the output frequency of GPIO?</P></BODY></HTML> Tue, 10 Sep 2019 07:59:30 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969735#M144437 jingyangxie 2019-09-10T07:59:30Z Re: How to accelerate the GPIO speed https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969736#M144438 <HTML><HEAD></HEAD><BODY><P>Hi jingyang</P><P></P><P>one can try suggestions on</P><P><A _jive_internal="true" class="link-titled" href="https://community.nxp.com/message/920894?commentID=920894#comment-920894" title="https://community.nxp.com/message/920894?commentID=920894#comment-920894">https://community.nxp.com/message/920894?commentID=920894#comment-920894</A>&nbsp;</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> Tue, 10 Sep 2019 09:47:47 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969736#M144438 igorpadykov 2019-09-10T09:47:47Z Re: How to accelerate the GPIO speed https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969737#M144439 <HTML><HEAD></HEAD><BODY><P>Hi，igorpadykov</P><P>&nbsp; &nbsp; what's the value of&nbsp;<SPAN style="color: #51626f; background-color: #ffffff;">kDevice,<SPAN>kShareable,<SPAN style="background-color: #ffffff;">kRWAccess in the function&nbsp;</SPAN></SPAN></SPAN><SPAN style="color: #51626f; background-color: #ffffff;">mmu_map_l1_range(0x00a00000, 0x00a00000, 0x0f600000, kDevice, kShareable, kRWAccess)?I can't find the&nbsp;definition of these values</SPAN></P></BODY></HTML> Wed, 11 Sep 2019 08:50:25 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969737#M144439 jingyangxie 2019-09-11T08:50:25Z Re: How to accelerate the GPIO speed https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969738#M144440 <HTML><HEAD></HEAD><BODY><P><A class="link-titled" href="https://github.com/RT-Thread/rt-thread/blob/master/bsp/imx6sx/iMX6_Platform_SDK/sdk/core/src/mmu.c" title="https://github.com/RT-Thread/rt-thread/blob/master/bsp/imx6sx/iMX6_Platform_SDK/sdk/core/src/mmu.c">rt-thread/mmu.c at master · RT-Thread/rt-thread · GitHub</A>&nbsp;</P></BODY></HTML> Wed, 11 Sep 2019 09:25:40 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969738#M144440 igorpadykov 2019-09-11T09:25:40Z Re: How to accelerate the GPIO speed https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969739#M144441 <HTML><HEAD></HEAD><BODY><P>Thx</P></BODY></HTML> Wed, 11 Sep 2019 09:35:45 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969739#M144441 jingyangxie 2019-09-11T09:35:45Z Re: How to accelerate the GPIO speed https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969740#M144442 <HTML><HEAD></HEAD><BODY><P>Hi,igorpadykov</P><P>&nbsp; &nbsp; &nbsp;I download the sdk,How do I use these files in Linux 4.1.15 for imx6sx?</P></BODY></HTML> Thu, 12 Sep 2019 00:48:02 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969740#M144442 jingyangxie 2019-09-12T00:48:02Z Re: How to accelerate the GPIO speed https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969741#M144443 <HTML><HEAD></HEAD><BODY><P>you should develop such solution yourself. NXP does not support it in its BSPs.</P><P></P><P>Best regards<BR />igor</P></BODY></HTML> Thu, 12 Sep 2019 07:22:32 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-accelerate-the-GPIO-speed/m-p/969741#M144443 igorpadykov 2019-09-12T07:22:32Z