Hi, On Thu, Aug 25, 2016 at 02:57:24PM +0800, Icenowy Zheng wrote: > >>>> diff --git a/arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts b/arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts > >>>> index 78823d8..3ac22d4 100644 > >>>> --- a/arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts > >>>> +++ b/arch/arm/boot/dts/sun8i-a33-inet-d978-rev2.dts > >>>> @@ -48,6 +48,10 @@ > >>>> model = "INet-D978 Rev 02"; > >>>> compatible = "primux,inet-d978-rev2", "allwinner,sun8i-a33"; > >>>> > >>>> + aliases { > >>>> + serial1 = &uart1; > >>>> + }; > >>>> + > >>> > >>> Is there any other UART in the system? > >> > >> serial0 is defined in sun8i-reference-design-tablet.dtsi, as r_uart. > > > > If your board does not have r_uart pads, then the right thing to do > > would be to disable it. You can then have uart1 as serial0. > > I don't know it. The RX/TX is wired on PF2/PF4 on the board (UART0 muxed with > MMC) Then you don't support it and you need to disable it. > But many codes will require a ttyS0 as console... So I think the > bluetooth should be located at ttyS1... Most of them would use /dev/console anyway. What do you have in mind? Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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