On 5 February 2018 at 13:50, Kishon Vijay Abraham I <kishon@xxxxxx> wrote: > DRA74x EVM Rev H EVM comes with revision 2.0 silicon. However, earlier > versions of EVM can come with either revision 1.1 or revision 1.0 of > silicon. > > The device-tree file is written to support rev 2.0 of silicon. > pdata-quirks are used to then override the settings needed for > PG 1.1 silicon. > > PG 1.1 silicon has limitations w.r.t frequencies at which MMC1/2/3 > can operate as well as different IOdelay numbers. I fail to understand the need for platform data. Why can't DT be used for the older revisions as well? > > Add support in sdhci-omap driver to get platform data if available > (added using pdata quirks) and override the data (max-frequency and > iodelay data) obtained from device tree. [...] Kind regards Uffe -- 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