Re: [linux-sunxi] Re: [PATCH 4/5] ARM: dts: sunxi: add dtsi file for V3s SoC

2017-01-12 Thread Maxime Ripard
On Wed, Jan 11, 2017 at 11:56:32AM +0800, Icenowy Zheng wrote: > > 2017年1月11日 02:21于 Maxime Ripard 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; > > > >

Re: [PATCH 4/5] ARM: dts: sunxi: add dtsi file for V3s SoC

2017-01-10 Thread Maxime Ripard
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? Look