Using IIO driver as a Loadable kernel module












0














I want use ti-ads8688 iio driver as a kernel module. I am using Beaglebone Black.



I wrote below Makefile for this work.



obj-m+=ti-ads8688.o
all:
make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) modules
clean:
make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) clean


ti-ads8688.ko file correctly generated and i load it with insmod command.
But there is not module in iio devices, as you can see in below:



debian@beaglebone:~/work/phase1$ ls /sys/bus/iio/devices/iio:device0
buffer in_voltage1_raw in_voltage4_raw in_voltage7_raw power uevent
dev in_voltage2_raw in_voltage5_raw name scan_elements
in_voltage0_raw in_voltage3_raw in_voltage6_raw of_node subsystem


am i miss something?
I also add in my devicetree below unit:



adc@0 {
compatible = "ti,ads8688";
reg = <0>;
spi-cpha;
spi-max-frequency = <100000>;
};









share|improve this question





























    0














    I want use ti-ads8688 iio driver as a kernel module. I am using Beaglebone Black.



    I wrote below Makefile for this work.



    obj-m+=ti-ads8688.o
    all:
    make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) modules
    clean:
    make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) clean


    ti-ads8688.ko file correctly generated and i load it with insmod command.
    But there is not module in iio devices, as you can see in below:



    debian@beaglebone:~/work/phase1$ ls /sys/bus/iio/devices/iio:device0
    buffer in_voltage1_raw in_voltage4_raw in_voltage7_raw power uevent
    dev in_voltage2_raw in_voltage5_raw name scan_elements
    in_voltage0_raw in_voltage3_raw in_voltage6_raw of_node subsystem


    am i miss something?
    I also add in my devicetree below unit:



    adc@0 {
    compatible = "ti,ads8688";
    reg = <0>;
    spi-cpha;
    spi-max-frequency = <100000>;
    };









    share|improve this question



























      0












      0








      0







      I want use ti-ads8688 iio driver as a kernel module. I am using Beaglebone Black.



      I wrote below Makefile for this work.



      obj-m+=ti-ads8688.o
      all:
      make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) modules
      clean:
      make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) clean


      ti-ads8688.ko file correctly generated and i load it with insmod command.
      But there is not module in iio devices, as you can see in below:



      debian@beaglebone:~/work/phase1$ ls /sys/bus/iio/devices/iio:device0
      buffer in_voltage1_raw in_voltage4_raw in_voltage7_raw power uevent
      dev in_voltage2_raw in_voltage5_raw name scan_elements
      in_voltage0_raw in_voltage3_raw in_voltage6_raw of_node subsystem


      am i miss something?
      I also add in my devicetree below unit:



      adc@0 {
      compatible = "ti,ads8688";
      reg = <0>;
      spi-cpha;
      spi-max-frequency = <100000>;
      };









      share|improve this question















      I want use ti-ads8688 iio driver as a kernel module. I am using Beaglebone Black.



      I wrote below Makefile for this work.



      obj-m+=ti-ads8688.o
      all:
      make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) modules
      clean:
      make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) clean


      ti-ads8688.ko file correctly generated and i load it with insmod command.
      But there is not module in iio devices, as you can see in below:



      debian@beaglebone:~/work/phase1$ ls /sys/bus/iio/devices/iio:device0
      buffer in_voltage1_raw in_voltage4_raw in_voltage7_raw power uevent
      dev in_voltage2_raw in_voltage5_raw name scan_elements
      in_voltage0_raw in_voltage3_raw in_voltage6_raw of_node subsystem


      am i miss something?
      I also add in my devicetree below unit:



      adc@0 {
      compatible = "ti,ads8688";
      reg = <0>;
      spi-cpha;
      spi-max-frequency = <100000>;
      };






      linux beagleboneblack






      share|improve this question















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      edited 2 mins ago

























      asked 11 mins ago









      Bashid

      33




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