topic Re: GPIO pin access in PowerQUICC Processors https://community.nxp.com/t5/PowerQUICC-Processors/GPIO-pin-access/m-p/224314#M194 <HTML><HEAD></HEAD><BODY><P>Linux kernel has a native API for handling GPIO ports. Details can be found in</P><P>Documentation/gpio.txt. For your chip, support for this API is enabled by the kernel configuration option CONFIG_MPC8xxx_GPIO.</P></BODY></HTML> Fri, 25 Oct 2013 12:52:01 GMT bpe 2013-10-25T12:52:01Z GPIO pin access https://community.nxp.com/t5/PowerQUICC-Processors/GPIO-pin-access/m-p/224313#M193 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>Can anyone tell me how to read the state of a GPIO pin from either user space or from a driver?</P><P>The processor family is the mpc8308, running the Linux OS</P><P></P><P>Thanks,</P><P>Stacy</P></BODY></HTML> Tue, 22 Oct 2013 18:34:27 GMT https://community.nxp.com/t5/PowerQUICC-Processors/GPIO-pin-access/m-p/224313#M193 stacym 2013-10-22T18:34:27Z Re: GPIO pin access https://community.nxp.com/t5/PowerQUICC-Processors/GPIO-pin-access/m-p/224314#M194 <HTML><HEAD></HEAD><BODY><P>Linux kernel has a native API for handling GPIO ports. Details can be found in</P><P>Documentation/gpio.txt. For your chip, support for this API is enabled by the kernel configuration option CONFIG_MPC8xxx_GPIO.</P></BODY></HTML> Fri, 25 Oct 2013 12:52:01 GMT https://community.nxp.com/t5/PowerQUICC-Processors/GPIO-pin-access/m-p/224314#M194 bpe 2013-10-25T12:52:01Z