On 3.7.2017 15:06, Bartosz Golaszewski wrote: > 2017-07-03 15:01 GMT+02:00 Michal Simek <monstr@xxxxxxxxx>: >> Hi, >> >> I am trying to find some docs about how to ask for gpio line >> based on gpio-line-names in DT. I see line names available via debugfs >> which is not suitable for production. >> And also I didn't find a way how to ask for gpio Linux number from user >> space to start to work with them. >> This is for gpio mraa integration which depends on Linux gpio line numbers. >> >> Thanks, >> Michal >> >> -- >> Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 >> w: www.monstr.eu p: +42-0-721842854 >> Maintainer of Linux kernel - Xilinx Microblaze >> Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs >> U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP SoCs >> >> > > Hi Michal, > > you can try libgpiod[1] and specifically the gpiofind tool included in > the repository. Buildroot has this package should you need to build a > rootfs for some specific target. > > Best regards, > Bartosz Golaszewski > > [1] https://github.com/brgl/libgpiod > Thanks. That's what I was looking for. I knew that there is new interface but didn't have this link. Thanks, Michal -- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Xilinx Microblaze Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP SoCs
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