W dniu 05.10.2015 o 20:36, Pavel Fedin pisze: > Hello! > >> This patch set adds support for Exynos SROM controller DT based driver. >> Currently SROM register sets are used only during S2R, so driver >> basically added for taking care of S2R. It will help us in removing >> static mapping from exynos.c and other extra code handline during S2R. > > Very good news, but, your driver seems not to do anything except > suspend/resume. But how do i add > some device plugged into it? In order to be operational, its outputs have to > be configured. But how > do i do it with your driver? For example, on SMDK boards SROM controller is > used to connect SMSC9111 > etherner chip.
That is interesting. What do you mean by that? Although SROM controller can access external memory (SRAM, ROM) but it is not exactly a bus. How is the SMSC9111 "connected"? What interface or protocol is used? > Currently i use hardcoded initialization based on > of_machine_is_compatible(), but i believe this > would be considered a hack and such a thing cannot be pushed upstream. I > guess i have to put all > needed configuration into device tree somehow. But how? Are there any > recommentations? I am sorry but I cannot figure out what exactly are you talking about. The Device Tree is the glue to describe the board, the hardware and its configuration. Please elaborate a little more. Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
