On Mon, Feb 10, 2020 at 3:25 AM Adrian Schmutzler <[email protected]> wrote: > > Hi, > > while reviewing the PR for the TL-WA830REv1 [1], I was wondered about the > unusually high > spi-max-frequency = <104000000>; > > The author states it's running stable, the datasheet tells > > Normal READ (Serial): 40-MHz clock rate > FAST_READ (Serial): 104-MHz clock rate (maximum) > DUAL I/O FAST_READ: 80-MHz clock rate or 20 MB/s effective data rate > QUAD I/O FAST_READ: 80 MHz clock rate or 40 MB/s effective data rate > > and according to the author, there are other boards with the same chip and > this > frequency, e.g. > https://github.com/openwrt/openwrt/blob/master/target/linux/ath79/dts/ar9331_tpl > ink_tl-mr3020-v1.dts#L123 > > So, can somebody lend me some expertise whether the value is okay? >Sounds bogus. I remember on mt7621 the speed pretty much capped out at 80MHz >even though the chip supports higher.
> Best > > Adrian Schmutzler > > [1] https://github.com/openwrt/openwrt/pull/2752#discussion_r375829096 > > > > _______________________________________________ > openwrt-devel mailing list > [email protected] > https://lists.openwrt.org/mailman/listinfo/openwrt-devel _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/mailman/listinfo/openwrt-devel
