+Tony, Tomi, linux-omap Hi Pavel, On 25/08/15 16:39, Pavel Pisa wrote: > Hello everybody, > > I have been asked to help with Linux on Myir Rico board. > I have decided to try actual stable kernel from Ti tree > > git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git > branch ti-linux-4.1.y > > instead of delivered dated 3.12.10 one to solve some issues > and have chance to port possible enhancements to mainline. > > I have successfully prepared environment which loads kernel > over TFTP and boot actual Debian Jessie armhf from NFS export. > > Because I have not found up to date device tree for this > board I have analyzed delivered sources against best matching > Ti kernel and then prepared DTS which works on the board > and I want to know if somebody works on this support, can help > to finish/better tune parameters and if there is chance > that configs are included into mainline or some other public > repository. Because I do not know who is working on this support > and who is right maintainer I send only pointers to my files. Tony Lindgren is the OMAP platform maintainer and you must include linux-omap mailing list in in the discussion. > > http://cmp.felk.cvut.cz/~pisa/arm/myir-rico/am437x-myir-ricoboard.dts > based on Ti am437x-gp-evm.dts > > http://cmp.felk.cvut.cz/~pisa/arm/myir-rico/am437x-myir-ricoboard-hdmi.dts > based on Ti am437x-gp-evm-hdmi.dts > > http://cmp.felk.cvut.cz/~pisa/arm/myir-rico/am437x-myir-ricoboard_defconfig > > If there is interrest for discussion and inclusion, I send usual > inlined GIT patches series. Please send patches for the new board so that we can review. > > As for DTS, I expect that the regulators section does not match correctly > Rico board HW but it works for what client company needs > evm_v3_3d: fixedregulator-v3_3d > vtt_fixed: fixedregulator-vtt > > Ethernet, serials, cameras, local MTD, SDcard and most of other devices works. > SPI Flash does not work. I have not invested time to that. > > The client needs to connect special camera (infrared) to the VPFE so I have > spent some time on AM437x VPFE support enhancement. > > I have added V4L2_PIX_FMT_Y10 pixel format and some minimal/stub > implementation of vpfe_enum_frameintervals, vpfe_g_parm, vvpfe_s_parm, > pfe_s_parm and I would be happy if my work can help to somebody other > as well. But work has been driven strict deadline to provide working > solution in one week so if there is interrest then most has to be > rewritten/clean up. > > Generally, I am quite pleased by Ti's Linux tree state and support. > That week has been my first time with AM chips we used other archs > (powerpc and multiple i.MXs for most of our other projects till now). > > Probably off topic for these lists but what are suggested options > for graphic configuration when Qt4/E or Qt5 is run on framebuffer. > Is it better to use CONFIG_DRM_OMAP or CONFIG_FB_OMAP2 ? > Is SGX driver available for 4.1 Linux kernel (reply offlist, please, > if proprietary only)? Are there other possibilities how to use > OMAP AM437xx hardware to accelerate video color and formats > transformations? Can be VPFE planes used somehow to embed > video in Qt application? I, personally, prefer strongly > opensource only options but target company has probably minimal > requirements in this area. Tomi might be able to answer video related questions. cheers, -roger -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
