On Wed, Jan 11, 2017 at 11:56:32AM +0800, Icenowy Zheng wrote: > > 2017年1月11日 02:21于 Maxime Ripard <[email protected]>写道： > > > > On Tue, Jan 03, 2017 at 11:16:28PM +0800, Icenowy Zheng wrote: > > > + uart0_pins_a: uart0@0 { > > > + pins = "PB8", "PB9"; > > > + function = "uart0"; > > > + bias-pull-up; > > > > Why do you need a pullup here? > > I think TX needs one, but RX do not need.
That's (at best) board specific. So it belongs in the DTS if it's truely needed. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
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