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Linux: Cannot view/modify pinmux settings via debugfs

Hello,


I am trying to view/modify my pinmux settings via debugfs. I am following the instructions under Method III here:

http://processors.wiki.ti.com/index.php/AM335x_PSP_User%27s_Guide#Modifying_Pin_Mux_settings

For some reason, under /debugfs/omap_mux, I do not see the spi0_d0 referred to, not do I see any pins. All I see is a directory called "board", which is empty. Is there something else I need to do to enable this functionality, besides enabling debugfs in menuconfig?

Thank you! - Anthony