On Thu, Jan 11, 2018 at 6:41 AM Rohit Karkala <[email protected]> wrote:

> Hello All,
>
> I am using Debian Version 9.2.
>

We are continuing to do bug fixes on the weekly builds. You can try
https://rcn-ee.net/rootfs/bb.org/testing/2018-01-07/stretch-iot/bone-debian-9.3-iot-armhf-2018-01-07-4gb.img.xz
.


>
> I am able to read and write SPI 0 (Pin P1.6, P1.8, P1.10, P1.12) in Pocket
> Beagle Bone .
>
> But facing issue for read , write  function in SPI 1 (Pin P2.24, P2.26,
> P2.28, P2.30).
>
> In uEnv.txt i had put
>
> optargs=quiet drm.debug=7
> capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN
> capemgr.enable_partno=BB-SPIDEV0,BB-SPIDEV1
>

capemgr isn't used by PocketBeagle. You can apply overlays in u-boot using
the uEnv.txt, but the optargs related to capemgr will be ignored because
capemgr isn't loaded using the PocketBeagle Device tree.

SPIDEV should be loaded by default in the device tree config. You can see
where it is specified in the device tree today here:
https://github.com/beagleboard/linux/blob/4.4/arch/arm/boot/dts/am335x-pocketbeagle.dts#L13



>
>
>
> debian@beaglebone:/dev$ ls -al spidev*
> crw-rw---- 1 root spi 153, 0 Oct 10 12:07 spidev1.0
> crw-rw---- 1 root spi 153, 1 Oct 10 12:07 spidev1.1
> crw-rw---- 1 root spi 153, 2 Oct 10 12:07 spidev2.0
> crw-rw---- 1 root spi 153, 3 Oct 10 12:07 spidev2.1
>
>
> Please let me know if anyone can help here.
>

You need to use spidev2.1 because I used CS!.


>
>
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