On 7 May 2014 19:06, Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx> wrote: > On 05/07/2014 12:38 PM, Rahul Sharma wrote: >> On 5 May 2014 15:14, Kishon Vijay Abraham I <kishon@xxxxxx> wrote: >>> Hi, >>> >>> On Wednesday 09 April 2014 03:31 PM, Sylwester Nawrocki wrote: >>>> Hi, >>>> >>>> On 09/04/14 11:12, Rahul Sharma wrote: >>>>> Idea looks good. How about keeping compatible which is independent >>>>> of SoC, something like "samsung,exynos-simple-phy" and provide Reg >>>>> and Bit through phy provider node. This way we can avoid SoC specific >>>>> hardcoding in phy driver and don't need to look into dt bindings for >>>>> each new SoC. >>>> >>>> I believe it is a not recommended approach. >>> >>> Why not? We should try to avoid hard coding in the driver code. Moreover by >>> avoiding hardcoding we can make it a generic driver for single bit PHYs. >>> >> >> +1. >> >> @Tomasz, any plans to consider this approach for simple phy driver? >> >> Regards, >> Rahul Sharma. >> > > Hi Rahul, > Initially, I wanted to make a very generic driver and to add bit and > register (or its offset) attribute to the PHY node. > However, there was a very strong opposition from DT maintainers > to adding any bit related configuration to DT. > The current solution was designed to be a trade-off between > being generic and being accepted :). > Thanks Tomasz, Ok got it. lets discuss it again and conclude it. @Kishon, DT-folks, The original RFC patch from Tomasz (at https://lkml.org/lkml/2013/10/21/313) added simple phy driver as "Generic-simple-phy" with these properties: + of_property_read_u32(dev->of_node, "mask", &sphy->mask); + of_property_read_u32(dev->of_node, "on-value", &sphy->on_value); + of_property_read_u32(dev->of_node, "off-value", &sphy->off_value); Shall we consider the same solution again for generic simple phy driver which just expose on/off control through register bit. Regards, Rahul Sharma > Regards, > Tomasz Stanislawski > > > >>> Cheers >>> Kishon >> > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
