On Fri, Oct 30, 2015 at 2:23 AM, Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> wrote: > On 30.10.2015 15:58, Pavel Fedin wrote: >> Hello! >> >>>> Add documentation for new subnode properties, allowing bank configuration. >>>> Based on u-boot implementation, but heavily reworked. >>> >>> Please, carefully look at: >>> Documentation/devicetree/bindings/net/gpmc-eth.txt >>> Documentation/devicetree/bindings/bus/ti-gpmc.txt >> >> Thank you very much. Indeed, this looks very similar. By the way, should i document smsc over sromc in the same manner, writing >> devicetree/bindings/net/sromc-eth.txt? >> >> This is a short reply for now, i'll make longer one (or just a new version) after studying these existing bindings and trying to >> apply them. > > Existing SROMC bindings document is small so one document for everything > should be sufficient. This can be always split if new type of devices > will be using SROMC (BTW, do you know of any other devices using SROMC > on Exynos?). > >> >> Pankaj: >> >>>> +&sromc { >>>> + pinctrl-names = "default"; >>>> + pinctrl-0 = <&srom_ctl>, <&srom_ebi>; >>>> + >>>> + ethernet@07000000 { >>>> + compatible = "smsc,lan9115"; >>>> + reg = <0x07000000 0x10000>; >>>> + phy-mode = "mii"; >>>> + interrupt-parent = <&gpx0>; >>>> + interrupts = <5 8>; >>>> + reg-io-width = <2>; >>>> + smsc,irq-push-pull; >>>> + smsc,force-internal-phy; >>>> + >>>> + samsung,srom-bank = <3>; >>>> + samsung,srom-data-width = <2>; >>>> + samsung,srom-timing = <1 9 12 1 9 1 1>; >>> >>> I think this is not correct. We can't change binding of "smsc,lan9115" >>> which is already documented here [1]. These samsung specific srom >>> properties should be in srom node or its subnode, but not in this way. >> >> So, if you look at gpmc-eth.txt, you'll see that this approach is perfectly valid (this is a reply to another msg, just don't want >> to post one more single-line reply). > > > Yes, the binding of smsc,lan9115 is not changed. > > Putting srom properties in separate bank node would be good also but > then some mapping (connection) between ethernet and bank should be added > probably... Is this to get some data needed by the ethernet from the ROM? We have the nvmem binding to support that. Rob -- 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